21 Web3Js Jobs

As a Blockchain Developer with 1-3 years of experience, your primary responsibility will be to design, develop, and implement blockchain-based solutions, DApps, wallets, and smart contracts. You will directly engage with clients to understand their requirements and deliver scalable and reliable blockchain solutions. Your key responsibilities will include creating and implementing robust blockchain architectures and protocols, prioritizing scalability, security, and performance. You will design, deploy, and audit smart contracts on various blockchain platforms like Ethereum and Solana to ensure security and optimal functionality. Furthermore, you will develop decentralized applications (DApps) by seamlessly integrating blockchain technology with front-end and back-end systems. In this role, you will contribute to shaping the technical strategy and roadmap for blockchain initiatives, staying updated on the latest advancements in blockchain technologies and industry trends. Proficiency in DeFi, NFTs, and other emerging blockchain applications is essential. You will work closely with clients to identify their objectives, requirements, and challenges, providing them with dependable blockchain solutions. To excel in this role, you should have expertise in programming languages such as Solidity, Python, JavaScript, Rust, and React. Additionally, familiarity with DApp development frameworks like Web3.js and ethers.js is crucial. Knowledge of blockchain platforms like Ethereum, Solana, Hyperledger, Binance Smart Chain, or Polygon, and the ability to integrate them with third-party systems using RESTful or GraphQL APIs will be advantageous. Joining our team offers competitive salary and commission structures, growth opportunities in a dynamic work environment, comprehensive benefits, decent salary increments, and festive celebrations. If you are passionate about Ethereum, Web3.js, Blockchain, and DApps, and eager to contribute to innovative blockchain projects, we welcome you to apply for this exciting opportunity.,

You should have at least 2+ years of experience in Blockchain development to be considered for this position. Your salary will be based on your experience and expertise. As a Blockchain developer, you will be responsible for starting a new blockchain-based product. Your main responsibilities will include brainstorming, researching, designing, developing, and maintaining blockchain-based applications. You will also troubleshoot and debug blockchain software difficulties, secure and optimize existing blockchain applications, and develop and maintain smart contracts. To excel in this role, you should have experience working with chain code, web3.js, and Geth. Experience in developing and maintaining blockchain-based software applications is essential, as well as familiarity with the Truffle suite. Hands-on experience with developing smart contracts is a must. Additionally, you should be proficient in at least one of the following programming languages or similar: Python, Ruby, Java, PHP, or Javascript. You should also be familiar with cryptography and P2P networks.,

GRID is seeking a Rust Developer to contribute to the development and optimization of the core infrastructure of DePIN Protocol. As a Rust Developer, you will be responsible for working on high-performance, secure, and scalable blockchain systems. Your primary focus will be utilizing Rust to build smart contracts, decentralized protocols, and distributed applications. To excel in this role, you should possess a Bachelor's or Master's Degree in Engineering, IT, Computer Science, or a related field. You must have a minimum of 3 years of experience with a strong proficiency in Rust programming language and a deep understanding of its ecosystem. Additionally, familiarity with blockchain development frameworks and tools like Truffle, Remix, and Web3.js is essential. An understanding of smart contract security, programming skills, experience with Rust and Node.js, as well as knowledge of other programming languages such as Python, C++, and JavaScript, are required. Strong backend skills, proficiency in algorithms & data structures, and knowledge of technologies like microservices architectures and Docker containers are also expected. GRID is dedicated to building DePIN's foundational coordination layer, powered by its INDEX token, NodeOps, and Super App. By consolidating diverse DePIN networks into a unified ecosystem, GRID aims to simplify access, enhance liquidity, and enable seamless participation for users and projects. The mission is to accelerate DePIN adoption by providing a streamlined marketplace, a robust operational framework, and consumer-friendly DePINFi applications within a single, intuitive platform. As a Rust Developer, your responsibilities will include designing, developing, maintaining, and deploying blockchain solutions using Rust programming language. You will be tasked with writing and auditing smart contracts to ensure security, efficiency, and compliance with standards. Additionally, researching, designing, developing, and testing blockchain applications, as well as working closely with business and software developers to create innovative solutions are part of the role. Understanding consensus mechanisms like Proof of Work (PoW), Proof of Stake (PoS), Byzantine Fault Tolerance (BFT), and others, and implementing and optimizing consensus algorithms in Rust are crucial aspects of the position. Experience with cryptocurrencies such as ETH, BNC, Avalanche, Solana, and Polygon, and working with open-source projects and codebases, are advantageous. Keeping up-to-date with current blockchain technology and the latest developments in Rust is also essential for success in this role. In summary, as a Rust Developer at GRID, you will play a pivotal role in shaping the future of decentralized networks by contributing to the development of high-performance blockchain systems using Rust programming language. Your work will have a direct impact on the acceleration of DePIN adoption, and you will have the opportunity to work with cutting-edge technologies such as blockchain, AI, and DePIN to solve real-world challenges in a dynamic and fast-learning environment.,

As a Full-Stack Developer Intern at Codeminto, you will have the opportunity to work on cutting-edge digital solutions at the forefront of AI, Web3, and blockchain technologies. We are seeking a highly motivated individual with a passion for backend technologies, AI projects, and blockchain development. This internship, whether remote or onsite, offers a unique chance to gain hands-on experience and contribute to innovative projects in a dynamic environment. Your responsibilities will encompass various aspects of development, including full-stack development, AI integration, blockchain development, backend engineering, frontend collaboration, database management, agent frameworks & libraries implementation, as well as deployment & DevOps tasks. You will be expected to build, test, and deploy scalable applications in AI & Web3, implement AI agents and automation tools, work with smart contracts and Web3 frameworks, develop robust APIs, collaborate on frontend frameworks, and manage databases using SQL and NoSQL solutions. To excel in this role, you should have prior experience in 2-4 AI projects with hands-on development, possess strong backend development skills in Node.js, Python, or Go, and demonstrate an understanding of blockchain, smart contracts, and Web3 frameworks. Additionally, familiarity with AI agent frameworks like LangChain, AutoGPT, or LlamaIndex, knowledge of RESTful & GraphQL APIs, experience with cloud platforms for deployment, and a genuine passion for AI, Web3, and blockchain technologies are essential. Bonus skills that would be advantageous include experience with Zero-Knowledge Proofs (ZKPs), DeFi protocols, or NFT platforms, familiarity with LLM fine-tuning and AI inference pipelines, and knowledge of WebSockets, gRPC, and event-driven architectures. Joining Codeminto will provide you with the opportunity to work on cutting-edge AI & Web3 projects, benefit from a flexible remote-friendly culture, learn from top-tier engineers through hands-on experience, and potentially secure a full-time position based on your performance. If you are ready to embark on this exciting journey, apply now with your resume & GitHub portfolio at hr@codeminto.com.,

We are seeking a skilled Blockchain Developer with practical experience in Solana, Ethereum, and Base networks. The ideal candidate will possess expertise in smart contract development, blockchain integrations, and frontend React integration. You will be responsible for working on decentralized applications (dApps), optimizing smart contract performance, and ensuring seamless communication between smart contracts and web applications. Immediate joiners will be preferred. Your responsibilities will include developing and deploying smart contracts on Solana (Rust), Ethereum/Base (Solidity, Vyper), and working with the Anchor framework for Solana and Hardhat/Foundry for Ethereum development. Moreover, you will integrate smart contracts with React-based frontend applications using web3.js, ethers.js, viem, or Solana's @solana/web3.js. It will also be your duty to optimize gas usage and transaction efficiency for blockchain interactions, design and implement cross-chain interactions between Ethereum, Solana, and Base, and build and maintain backend services for blockchain applications using Node.js, GraphQL, and IPFS. You must ensure the security and auditability of smart contracts by following best practices and testing methodologies, work with wallet integrations (e.g., Metamask, Phantom, Coinbase Wallet), and collaborate with UI/UX teams to ensure a seamless user experience for decentralized applications. Required Skills & Experience - Blockchain & Smart Contracts: - Experience in developing and deploying smart contracts on Solana (Rust, Anchor) and Ethereum/Base (Solidity, Vyper). - Familiarity with Layer 2 solutions (Optimism, Arbitrum, Base) and sidechains. - Experience with NFTs, DeFi protocols, and tokenomics. - Frontend & Web3 Integration: - Strong knowledge of React.js, Next.js, and integrating dApps with ethers.js, web3.js, viem, or solana/web3.js. - Experience with GraphQL, REST APIs, and The Graph Protocol for querying blockchain data. - Security & Performance: - Understanding of smart contract security vulnerabilities (reentrancy, front-running, integer overflow, etc.). - Experience with smart contract auditing tools like Slither, MythX, or Certora. - Tools & Frameworks: - Solana: Anchor, Seahorse - Ethereum: Hardhat, Foundry, Remix - Storage: IPFS, Arweave, Filecoin - Version Control: Git, GitHub, GitLab Good To Have Skills: - Experience with cross-chain messaging protocols (e.g., LayerZero, Wormhole). - Understanding of MEV (Miner Extractable Value) and Flash Loans. - Knowledge of Zero-Knowledge Proofs (ZK-Rollups, zkSync, StarkNet). - Experience with Rust, Go, or TypeScript for blockchain development.,

You are a MERN Stack Developer with experience in Web3 development, and you are excited to join our team. You should feel comfortable building full-stack applications, integrating smart contracts, and thrive in a fast-paced startup environment. Your responsibilities will include developing and maintaining full-stack applications using MongoDB, Express.js, React.js, and Node.js. You will also be integrating smart contracts and blockchain functionality using Web3.js, Ethers.js, or similar libraries. Collaborating with product managers, designers, and blockchain engineers will be essential. Writing clean, maintainable, and testable code, as well as troubleshooting and debugging applications, are key aspects of your role. Staying updated with the latest Web3 trends and technologies is also crucial. To excel in this role, you should have at least 1 year of hands-on experience with the MERN stack. You need to possess basic to intermediate knowledge of smart contracts, Ethereum, and Web3.js/Ethers.js. Familiarity with Solidity and Ethereum development tools such as Truffle and Hardhat is preferred. An understanding of REST APIs and integration practices is necessary. Strong problem-solving skills, a proactive attitude, and good communication and collaboration skills are essential. Bonus skills that would be advantageous include experience with IPFS, The Graph, or Layer 2 solutions, contributions to open-source Web3 projects, and knowledge of NFT standards or DeFi protocols. In return, we offer a competitive salary with performance-based incentives, flexible working hours, and a remote-friendly culture. You will have the opportunity to work on cutting-edge Web3 projects in a collaborative, supportive, and innovative environment.,

As a Software Engineer at Start Designs, you will play a crucial role in executing the software development life cycle. Your responsibilities will include producing specifications, determining operational feasibility, and developing flowcharts, layouts, and documentation to identify requirements and solutions. You will be tasked with building out smart contracts on Rust and Solidity/Vyper, showcasing your ability to learn new technologies and write secure, high-quality code. In addition, you will integrate software components into a fully functional software system, document and maintain software functionality, troubleshoot, debug, and upgrade existing systems, as well as deploy programs and evaluate user feedback. To qualify for this role, you should have prior work experience as a Software Engineer or Software Developer. You must possess at least 1 year of experience working on blockchain-based projects, DeFi, and Cryptonomicon protocol design. Experience in writing smart contracts on Solana is a must, along with the ability to develop software in Rust, Node.js, and React JS. Proficiency in building web3 applications and services, interfacing, and interacting with web3 applications (web3.js / RPC API) is also essential. We value individuals who are self-driven, willing to seek help or assistance when needed, proficient in software engineering tools, capable of documenting requirements and specifications, and have experience in the Solana Ecosystem. At Start Designs, we believe in offering career opportunities that align with your skills and aspirations. Our rigorous selection procedures and incisive hiring system ensure the right fit between job roles and resources. We prioritize the individual characteristics and details to enable each team member to excel in their area of expertise, with ample scope for learning, growth, and development. We are committed to helping you grow significantly within your domain of expertise through tailored career development approaches and resourceful facilities. At Start Designs, you will have the best opportunities to engage with your areas of interest and knowledge, empowering you to realize your full potential and beyond. Join us in shaping a rewarding and fulfilling career journey.,

We are seeking a Blockchain Solution Architect with over 7 years of experience to join our team at the Centralized Crypto Exchange. As a Blockchain Solution Architect, you will play a key role in designing, implementing, and supporting distributed blockchain-based networks. Your main responsibilities will include analyzing requirements, designing blockchain solutions tailored to specific business models, and overseeing the launch of blockchain networks. Your duties will involve researching, designing, developing, and testing blockchain technologies. You will be expected to brainstorm and assess applications for new tools and technologies, maintaining and expanding client- and server-side applications, and actively participating in the global blockchain community to implement the latest improvement proposals. Additionally, you will be responsible for documenting new solutions, implementing smart contracts and decentralized applications (DApps) on various blockchain platforms, such as Ethereum and Binance Smart Chain, and collaborating with backend developers to ensure seamless integration of blockchain technology into existing systems. To excel in this role, you should possess proven experience as a Blockchain Developer, demonstrating a solid understanding of blockchain fundamentals and decentralized systems. Proficiency in EVM based on UTXO based blockchain platforms, knowledge of blockchain protocols, consensus mechanisms, and cryptographic algorithms, as well as experience with blockchain development tools and frameworks (e.g., Web3.js, Truffle, Remix) are essential. Familiarity with token standards (e.g., ERC-20, ERC-721) and tokenomics concepts is also required. Strong problem-solving skills, attention to detail, and the ability to write clean, efficient, and secure code are crucial for success in this position. Effective communication, collaboration skills, and a passion for cryptocurrencies, blockchain technology, and financial markets are highly valued attributes. If you are a motivated and experienced Blockchain Solution Architect looking to contribute to cutting-edge blockchain projects within a dynamic team environment, we encourage you to apply for this exciting opportunity.,

As a Front-End Developer at Shivacha Technologies, you will be an integral part of our team focused on delivering cutting-edge blockchain solutions. We are a forward-thinking technology company currently developing innovative decentralized applications (dApps) that redefine the possibilities of Web3. If you are passionate about blockchain technology and possess the necessary skills, we invite you to join us in our office located at Plot no 23, Sector 18, Gurgaon, Haryana, India. Your responsibilities will include developing, testing, and maintaining user-facing features for blockchain-based applications. You will collaborate with designers, back-end developers, and blockchain engineers to ensure seamless and responsive dApps. Integration of front-end interfaces with smart contracts and blockchain data using Web3 technologies will be a crucial aspect of your role. Moreover, you will be responsible for optimizing applications for speed, scalability, and cross-browser compatibility while upholding high-quality code standards. Active participation in team meetings, code reviews, and the continuous improvement of development processes is expected from you. To excel in this position, you should have a minimum of 3 years of experience in front-end development along with a strong proficiency in JavaScript and frameworks like React.js. Hands-on experience with HTML5, CSS3, and responsive design techniques is essential. Familiarity with Web3.js or Ethers.js, integration of wallets like MetaMask, and understanding of REST APIs and JSON are also required. Version control experience using Git, attention to detail, and a passion for creating clean, user-friendly interfaces are qualities we value. Additionally, knowledge of blockchain basics, smart contracts, Ethereum or other EVM-compatible chains, exposure to dApp development, and decentralized protocols is a plus. Familiarity with tools like Figma or Adobe XD for design handoff, experience with Next.js, TypeScript, or similar technologies are nice-to-have skills. In return, we offer a competitive monthly salary ranging from 25,000 to 50,000, the opportunity to work in a collaborative and innovative office environment, and the chance to contribute to cutting-edge blockchain technologies. Paid sick time, paid time off, performance bonuses, yearly bonuses, and career growth in the rapidly expanding Web3 space are some of the perks and benefits you can enjoy as part of our team. If you are excited about blockchain and front-end development, please send your resume and portfolio (if available) to isha.gill@shivacha.com with the subject line "Application for Front-End Developer - Blockchain." We look forward to hearing from you and potentially welcoming you to our team at Shivacha Technologies.,

We have an opening for a Lead Blockchain Engineer with the job title of Blockchain Developer. The ideal candidate should have a minimum of 4 years of experience and possess a B.E/B.Tech/Mtech/MCA/BCA degree with relevant exposure. The job is based in New Delhi at mobiloitte.com. As an experienced Ethereum Blockchain Developer, you will be responsible for developing and implementing smart contracts and decentralized applications (dApps) on the Ethereum blockchain. You should have a strong understanding of Ethereum blockchain technology, including Solidity smart contracts, Ethereum Virtual Machine (EVM), and dApps. Your responsibilities will include developing, testing, and deploying smart contracts and dApps on the Ethereum blockchain. You will collaborate with other developers to ensure the quality, reliability, and security of blockchain-based applications. Researching and implementing new Ethereum blockchain technologies and tools will also be part of your role. Additionally, you will develop and maintain documentation for smart contracts and dApps, provide technical support and troubleshooting for Ethereum blockchain-related issues, and participate in code reviews to contribute to the development of best practices for Ethereum blockchain development. The successful candidate must possess strong knowledge of Ethereum blockchain technology, proven experience in developing and deploying smart contracts and dApps on the Ethereum blockchain, familiarity with web3.js, Truffle, and other Ethereum blockchain development tools, as well as knowledge of blockchain security principles and best practices. Experience with decentralized finance (DeFi) protocols and other Ethereum-based projects is preferred. Strong problem-solving skills, the ability to work independently and as part of a team, and excellent written and verbal communication skills are essential for this role.,

Job Title: Flutter Developer Location: Remote Job Type: Independent Contractor Experience Level: 5+ years Key Responsibilities: Need immediate joiners Flutter, experience developing desktop apps using Flutter. Nice to have know-how of web3.js.

As a Blockchain Developer at SynRam Software Services Pvt Ltd, you will play a crucial role in designing, implementing, and supporting blockchain-based solutions. Your responsibilities will include developing applications and smart contracts, maintaining blockchain platforms, integrating blockchain technology into existing applications, and ensuring the scalability and security of our blockchain infrastructure. You will collaborate with cross-functional teams to define and implement new features, write and test code for blockchain applications using languages like Solidity, Rust, Go, or JavaScript, and stay updated on blockchain trends, tools, and best practices. Conducting code reviews, troubleshooting, and optimizing performance and security issues will also be part of your role. To qualify for this position, you should have a Bachelor's degree in Computer Science or a related field, along with proven experience as a Blockchain Developer. Proficiency in blockchain platforms, smart contract development, and programming languages like Solidity, Rust, or Python is essential. Experience with Ethereum, Bitcoin, Hyperledger, and familiarity with cryptography, decentralized applications (dApps), and web3 technology are required. Preferred qualifications include experience with tokenomics, ICO/IDO project development, security best practices for blockchain development, and knowledge of database management integration with blockchain technology. Strong analytical, problem-solving, and communication skills are crucial for success in this role. Join us at SynRam Software Services Pvt Ltd for a competitive salary and benefits package, opportunities to work on cutting-edge technology, a collaborative team culture, and growth prospects. If you are passionate about decentralized technology and possess the required skills, share your resume with us at career@synram.co or contact us at +91-9111381555 to explore this exciting opportunity. This is a full-time, permanent position at our office in Gwalior, Madhya Pradesh, with benefits including a flexible schedule, health insurance, and paid time off. We are looking for candidates with a minimum of 2 years of experience as a Blockchain Developer, a strong command of English, and the ability to work in a fast-paced, collaborative environment. If you are ready to shape the future of decentralized technology, we encourage you to apply and be part of our innovative team.,

As a Blockchain Developer at Aindriya Marketing Solutions Pvt. Ltd., located in Kochi, India, you will be responsible for designing, developing, and deploying smart contracts using Solidity or other blockchain programming languages. Your role will involve building and maintaining decentralized applications (DApps) on platforms such as Ethereum, Binance Smart Chain, or Polygon. You will implement blockchain security best practices to ensure the safety and integrity of transactions, as well as develop and integrate APIs for blockchain interactions. Collaboration with front-end and back-end developers to integrate blockchain functionalities into applications will be a key aspect of your responsibilities. Additionally, you will be involved in conducting code reviews, debugging, and performance optimization, while staying updated with the latest blockchain technologies, protocols, and industry trends. To excel in this role, you should possess a strong knowledge of blockchain fundamentals, cryptography, and decentralized finance (DeFi) concepts. Proficiency in Solidity, Rust, or other blockchain programming languages is essential, along with experience working with Ethereum, Binance Smart Chain, or Hyperledger. Hands-on experience with Web3.js, Ethers.js, Truffle, or Hardhat is required, as well as familiarity with smart contract security and best practices to prevent vulnerabilities. Knowledge of NFTs, DeFi protocols, and token standards (ERC-20, ERC-721, ERC-1155, etc.) will be beneficial, along with an understanding of IPFS, Layer 2 solutions, and cross-chain technologies. Strong problem-solving skills and the ability to work in an agile environment are also important for this role. Preferred skills include experience with React.js, Node.js, or Python for blockchain integration, familiarity with DevOps tools for smart contract deployment, and previous experience contributing to open-source blockchain projects. Experience in developing DeFi applications, DAOs, or NFT marketplaces will be an added advantage. In return, you can expect a competitive salary based on experience and skills, flexible work arrangements including remote/hybrid options, and the opportunity to work on cutting-edge blockchain projects. Skill development and learning opportunities in Web3 and DeFi will also be provided. If you are passionate about blockchain technology and eager to work on innovative projects, we would love to hear from you! This position is available in both full-time and part-time capacities, with benefits including cell phone reimbursement and internet reimbursement. The work location is in person, with a day shift schedule. To apply or learn more about the role, please contact the employer at +91 8089937888.,

As a Blockchain Developer, you will be responsible for developing, deploying, and managing blockchain solutions on various blockchain networks such as Ethereum, Hyperledger, BSC, and others. Your role will involve designing and implementing smart contracts using Solidity and other blockchain programming languages. You will collaborate closely with front-end developers to integrate blockchain services into existing platforms and design and maintain decentralized applications (dApps). Ensuring the security and integrity of the blockchain system will be a key part of your responsibilities. Additionally, you will develop APIs for blockchain-based applications, conduct code reviews, testing, and debugging to ensure high-quality, scalable, and maintainable code, and work on blockchain consensus protocols and off-chain solutions like oracles and sidechains. Staying updated on the latest trends and developments in the blockchain space is also essential. To qualify for this role, you should have a Bachelor's degree in Computer Science, Software Engineering, or a related field, along with 3-5 years of hands-on experience in blockchain development. Proficiency in Solidity, Ethereum, and smart contract development is required, as well as experience with other blockchain technologies such as Hyperledger, Polkadot, or Binance Smart Chain. A strong understanding of cryptography, security principles, and consensus algorithms is important, along with proficiency in at least one programming language like JavaScript, Python, Go, or Rust. Familiarity with Web3.js and Ethereum development tools such as Truffle, Hardhat, or Remix is preferred, and experience with cloud platforms like AWS, Azure, or GCP for blockchain infrastructure deployment is a plus. Knowledge of decentralized finance (DeFi) or non-fungible tokens (NFTs) is also beneficial. Preferred skills for this role include experience with supply chain blockchain solutions, familiarity with IPFS and distributed storage solutions, strong analytical and problem-solving skills, and the ability to work in a fast-paced environment and meet tight deadlines. Excellent communication and teamwork skills are also desired. In return, we offer a competitive salary and benefits package, the opportunity to work on cutting-edge blockchain projects, and professional development opportunities.,

As a skilled Solidity Developer, you will be joining our blockchain engineering team in Kochi, Kerala. Your primary responsibility will be to design, develop, test, and deploy secure and scalable smart contracts for DeFi, NFTs, or Web3 platforms using Solidity on Ethereum-compatible blockchains. Collaborating with frontend/backend teams, you will integrate smart contracts into dApps and optimize them for performance, gas efficiency, and security. Additionally, you will conduct code reviews, audits, and unit testing to ensure reliability while staying updated on the latest Web3 trends, tools, and vulnerabilities. You are required to have a minimum of 2 years of experience in Solidity development along with a deep understanding of Ethereum, EVM, smart contract architecture, and token standards such as ERC-20, ERC-721, ERC-1155. Familiarity with tools like Hardhat, Truffle, Remix, Ganache, web3.js/ethers.js, and integrating smart contracts with frontend/backend is essential. Knowledge of security best practices including reentrancy, overflow, front-running, etc., as well as proficiency in Git and Agile workflows are expected. It would be a plus if you have experience with Layer 2s, sidechains, or cross-chain platforms, familiarity with Rust, Solidity Assembly, or other blockchain protocols, and prior contributions to open-source Web3 projects. As a passionate individual about blockchain and decentralized technologies, you should possess strong problem-solving, analytical skills, and be a clear communicator and team collaborator. In return, we offer a competitive salary, token incentives, a flexible work environment, and the opportunity to work on cutting-edge Web3 products. If you are enthusiastic about decentralized tech and clean, gas-efficient code, we would love to have a conversation with you.,

You will be joining KeyValue, a trusted product engineering partner for Start Ups & Scale Ups, where you will unlock passion, develop ideas, and create abundant value for all stakeholders in the ecosystem. KeyValue's mission is to become the world's most trusted product development hub, delivering high-value outcomes for start-ups & scale-ups with a talented skilled team in a thriving and inclusive culture. The inclusive culture at KeyValue is engaging & experiential, providing an environment to learn & collaborate with freedom to think, create, explore, grow, and thrive. An ownership mindset with growth orientation is the foundation of exceptional client success. As a Blockchain Engineer with 3+ years of experience, you will design, develop, and maintain blockchain-based applications and smart contracts. Your responsibilities will include implementing security protocols, cryptography, and consensus algorithms, collaborating with cross-functional teams, optimizing blockchain-based systems for performance, scalability, and reliability, conducting research on existing blockchain frameworks, and staying updated on the latest blockchain trends and technologies. To be a great fit for this role, you should have a Bachelors degree in Computer Science, Information Technology, or a related field, along with 3+ years of experience in blockchain development. Proficiency in programming languages such as Solidity, Rust, JavaScript, or Python is required, as well as experience with Web3.js, Express.js, Truffle, or other blockchain development tools. A strong understanding of smart contracts, consensus algorithms, and decentralised applications, along with knowledge of cryptography, security protocols, and data structures, is essential. Excellent problem-solving skills and a proactive approach to challenges are key traits for success in this role. Strong written and verbal communication skills are necessary for team collaboration and technical documentation. Familiarity with machine learning and AI concepts, and a willingness to integrate these technologies with blockchain solutions is a plus. Knowledge of cloud platforms like AWS, Azure, or GCP for deploying blockchain solutions, as well as experience in developing or integrating NFTs, DeFi, or other blockchain-based use cases, will be beneficial. At KeyValue, you will be part of a dynamic team working on innovative projects that leverage cutting-edge blockchain technology. The environment encourages creativity, growth, and collaboration, helping you to stay at the forefront of tech advancements.,

As a Solidity Developer at our company, you will be a valuable addition to our blockchain engineering team. Your primary responsibility will be to design, develop, test, and deploy secure and scalable smart contracts using Solidity on Ethereum-compatible blockchains. You will play a crucial role in building smart contracts for various applications such as DeFi, NFTs, and Web3 platforms. Your tasks will include optimizing contracts for performance, gas efficiency, and security. You will collaborate closely with the frontend and backend teams to integrate smart contracts into decentralized applications (dApps). Additionally, you will be responsible for conducting code reviews, audits, and unit testing to ensure the reliability of the developed smart contracts. Staying updated on the latest Web3 trends, tools, and vulnerabilities will be essential in this role. To be successful in this position, you should have at least 2 years of experience in Solidity development. A deep understanding of Ethereum, EVM, smart contract architecture, and token standards such as ERC-20, ERC-721, and ERC-1155 is required. Familiarity with tools like Hardhat, Truffle, Remix, and Ganache will also be beneficial. Experience with web3.js/ethers.js and integrating smart contracts with frontend/backend systems is necessary, along with knowledge of security best practices like reentrancy, overflow, and front-running. Proficiency in Git and Agile workflows is expected. It would be a plus if you have experience with Layer 2s, sidechains, or cross-chain platforms. Familiarity with Rust, Solidity Assembly, or other blockchain protocols, as well as prior contributions to open-source Web3 projects, are also advantageous. We are looking for someone who is passionate about blockchain and decentralized technologies, possesses strong problem-solving and analytical skills, and can communicate effectively and collaborate well within a team. In return, we offer a competitive salary, token incentives, a flexible work environment, and the opportunity to work on cutting-edge Web3 products.,

As a Cryptocurrency Expert & Developer, you will play a crucial role in leading the design, development, and deployment of a new custom cryptocurrency/token system in Delhi. Your primary responsibility will be to create a secure token that will be utilized within our ecosystem, ensuring seamless wallet integration and transfer capabilities. Your expertise in smart contract development, blockchain deployment, and crypto wallet integrations will be essential for this role. You will be tasked with designing and developing a custom token such as ERC-20, BEP-20, or similar, writing and deploying secure smart contracts, and providing APIs/interfaces for token distribution and wallet interaction. Additionally, you will need to enable wallet transfers to personal crypto wallets like MetaMask and Trust Wallet, implement token-related business logic based on specific distribution criteria, and ensure the efficiency, scalability, and security of contracts. Backend integration with existing systems and creating admin tools for token management and distribution will also be part of your responsibilities. To excel in this role, you should possess strong experience with Solidity, Web3.js, Ethers.js, or similar frameworks. A proven track record of launching secure tokens on Ethereum, BSC, or other networks, along with experience in wallet integration and Web3 applications, will be beneficial. Understanding smart contract testing and auditing best practices, familiarity with backend development (preferably Node.js or Python), and the ability to work independently to deliver end-to-end crypto solutions are key attributes we are looking for. In return, we offer you the opportunity to work on innovative and impactful projects, contributing to technology that has a real-world impact on communities globally. You will receive a competitive salary and a comprehensive benefits package, including stock options, in a collaborative, supportive, and growth-oriented work environment. Flexible work arrangements, access to the latest tools and technologies, and a focus on collaboration and growth will be part of your experience here.,

The ideal candidate for the role of Blockchain Developer at our Stealth Prop-tech startup will be responsible for developing and maintaining backend services and APIs to connect our Property Search platform with blockchain networks. You will play a crucial role in integrating real estate tokenization platforms and managing the flow of data related to property tokens and ownership. Your tasks will include building API endpoints for frontend applications to interact with blockchain functionalities, ensuring data consistency between on-chain state and off-chain databases, implementing event listeners for smart contract monitoring, and collaborating with the security team to ensure the security of integration points. Troubleshooting and resolving issues related to blockchain connectivity and third-party API integrations will also be part of your responsibilities. To qualify for this role, you should have 3-5+ years of experience in backend software development, with a minimum of 2+ years focused on integrating systems with blockchain technology. A Bachelor's degree in Computer Science, Engineering, or a related technical field is required. Proficiency in a modern backend language such as Node.js, Python, or Go is essential, along with hands-on experience in interacting with blockchain networks using libraries like Ethers.js, Web3.js, or similar. A solid understanding of blockchain fundamentals, smart contracts, and wallet interactions, as well as experience with relational databases (e.g., PostgreSQL) and API design, are also necessary. Preferred qualifications for this role include experience in the PropTech or FinTech sectors, familiarity with the regulatory landscape in the UAE (particularly the VARA framework for virtual assets), experience working in a cloud environment (AWS, Google Cloud, or Azure), knowledge of message queues (e.g., RabbitMQ, Kafka) for handling blockchain events, and experience with secure key management and custody solutions.,

We are seeking a skilled Blockchain Developer with practical experience in Solana (Rust + Anchor) and EVM-compatible chains such as Ethereum, Polygon, Base, BSC. The ideal candidate will possess expertise in smart contract development, cross-chain interoperability, and full-stack dApp development with React and Web3 integrations. Your responsibilities will include developing secure, scalable, and user-centric decentralized applications with seamless wallet and blockchain integrations. As an Immediate Joiner, you will be tasked with developing and deploying smart contracts on Solana (Rust + Anchor) and EVM-based networks using Solidity. Additionally, you will build full-stack dApps utilizing React.js/Next.js, Web3.js/Ethers.js, and integrating wallets like MetaMask, Phantom, and WalletConnect. Implementing cross-chain features using LayerZero, Wormhole, or Axelar for bridging, syncing, and wrapped tokens will also be part of your role. You will be responsible for writing secure, gas-optimized contracts, conducting comprehensive testing using tools like Mocha, Jest, Anchor test suite, Hardhat, and Foundry. Integration of backend services with Node.js, GraphQL/REST APIs, PostgreSQL/MongoDB, and Redis (optional) will also be within your scope. Automation of deployments using Docker and CI tools such as GitHub Actions and GitLab CI is expected. Monitoring and troubleshooting on-chain activity using tools like Tenderly, Etherscan APIs, and Solana Explorer will also be part of your responsibilities. Collaboration with frontend and DevOps teams to ensure excellent UI/UX and scalability is crucial. The desired candidate should possess 3+ years of full-stack development experience, at least 1 year of hands-on Solana smart contract development (Rust + Anchor), proficiency in Solidity and EVM tools (Hardhat, Foundry, Truffle), strong knowledge of Web3 wallet integration, blockchain architecture, and RPC interactions. Experience with DeFi, NFTs, DAOs, and decentralized storage (IPFS, Arweave) is preferred. Familiarity with authentication protocols like JWT, OAuth2, and SIWE (Sign-In With Ethereum/Solana), understanding of smart contract vulnerabilities, and Web3 security best practices are required. Experience with zk-rollups (zk-SNARKs, zkSync, StarkNet), exposure to other chains like Cosmos, NEAR, or React Native/mobile dApps, contributions to open-source blockchain projects, knowledge of MEV, gas fee estimation, and bridging mechanics across chains will be an added advantage.,

As a Blockchain Developer at Aindriya Marketing Solutions Pvt. Ltd., located in Kochi, India, you will be an integral part of our team with a focus on developing cutting-edge blockchain solutions. With at least 2 years of experience in the field, you will play a key role in the design, development, and deployment of decentralized applications, smart contracts, and blockchain integrations. Your responsibilities will include designing and deploying smart contracts using Solidity or other blockchain programming languages, building and maintaining decentralized applications on platforms like Ethereum, Binance Smart Chain, or Polygon, and implementing blockchain security best practices to ensure the safety and integrity of transactions. You will also work on developing and integrating APIs for blockchain interactions, collaborating with front-end and back-end developers, conducting code reviews, debugging, and optimizing performance. To excel in this role, you must possess a strong knowledge of blockchain fundamentals, cryptography, and decentralized finance (DeFi) concepts. Proficiency in Solidity, Rust, or other blockchain programming languages is essential, along with experience working with Ethereum, Binance Smart Chain, or Hyperledger. Hands-on experience with Web3.js, Ethers.js, Truffle, or Hardhat is preferred, as well as familiarity with smart contract security and best practices. Knowledge of NFTs, DeFi protocols, token standards (ERC-20, ERC-721, ERC-1155), IPFS, Layer 2 solutions, and cross-chain technologies will be beneficial. Strong problem-solving skills and the ability to work in an agile environment are also key requirements. Preferred skills for this role include experience with React.js, Node.js, or Python for blockchain integration, familiarity with DevOps tools for smart contract deployment, previous contributions to open-source blockchain projects, and experience in developing DeFi applications, DAOs, or NFT marketplaces. In return, we offer a competitive salary based on your experience and skills, flexible work arrangements including remote and hybrid options, the opportunity to work on cutting-edge blockchain projects, and skill development and learning opportunities in Web3 and DeFi technologies. If you are passionate about blockchain technology and eager to work on innovative projects, we would love to hear from you! Job Types: Full-time, Part-time Benefits: - Cell phone reimbursement - Internet reimbursement Location Type: In-person Schedule: Day shift Experience: blockchain: 1 year (Required) Work Location: In person To speak with the employer, contact: +91 8089937888.,