22 Hardhat Jobs

Looking for a Blockchain Developer (2–4 yrs) to design, develop & audit smart contracts on Ethereum, Polygon & Hyperledger. Must have strong skills in Solidity/Vyper, DApp integration & blockchain frameworks.

As a Senior Blockchain Architect, you will be responsible for leading the design, development, and security of a decentralized ecosystem. Your deep expertise in smart contract systems, wallet infrastructure, and DeFi protocols will be crucial in architecting robust, scalable, and secure blockchain infrastructure. You will collaborate closely with founders, developers, and product teams to ensure the success of various projects. Key Responsibilities: - Design, architect, and audit smart contract systems (Solidity + Hardhat/Foundry) for high-stakes financial applications. Enforce testing, upgradeability, and audit readiness. - Build and optimize Subgraphs with The Graph to power scalable on-ch...

JOB DESCRIPTION Are you ready to make an impact at DTCC Do you want to work on innovative projects, collaborate with a dynamic and supportive team, and receive investment in your professional development At DTCC, we are at the forefront of innovation in the financial markets. We are committed to helping our employees grow and succeed. We believe that you have the skills and drive to make a real impact. We foster a thriving internal community and are committed to creating a workplace that looks like the world that we serve. DTCC Digital Assets is at the forefront of driving institutional adoption of digital assets technology with a steadfast commitment to innovation anchored in security and s...

You are a skilled Smart Contract Web3 Developer with a minimum of 1.5 years of experience who will be responsible for designing, developing, and deploying secure and efficient smart contracts for decentralized applications (Dapp's). Your responsibilities will include developing and deploying smart contracts on Ethereum and other EVM-compatible blockchains, writing clean, well-documented, and testable code, integrating smart contracts with front-end applications, conducting thorough testing and security audits of smart contracts, collaborating with other developers and designers, and staying up to date with the latest advancements in blockchain technology. To excel in this role, you should ha...

We're looking for a skilled Smart Contract/Web3 Developer to build secure, efficient decentralized applications (dApps). You'll be responsible for: Designing, developing, testing, and deploying smart contracts. Integrating smart contracts with front-end applications. Ensuring smart contract security and optimization. We require: Proven experience in smart contract development (Solidity/Rust). Strong understanding of blockchain fundamentals. Proficiency with relevant development tools (Hardhat, Truffle, Web3.js/Ethers.js). Nice-to-haves include: Experience with other blockchain platforms, Web3 infrastructure, and front-end frameworks.

We are looking for an enthusiastic and passionate person from the software or education industry to be a part of our Team who can lead the team of students towards a bright future, will educate students in a technological field. You will develop technical training programs and help others develop skills that will make them better professionals. Training Expert must be extremely knowledgeable in his field of expertise and possess solid technical aptitude. Additionally, we expect you to be an excellent communicator, able to explain complex subjects in a clear and interesting way. The goal is to contribute to the development of people's technical/IT skills to meet organizational needs. Key Resp...

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. Mo...

About Us Challenz is an imaginative hub fusing social contests, short-form films, and Web3 creativity. Were currently developing a Real Estate NFT marketplace that allows shared ownership of properties through Ethereum smart agreements. Position Were looking for a Blockchain Engineer (Internship) to assist in creating and launching property-backed NFT contracts, embedding them into our app, and working closely with both frontend and backend teams to activate Web3 capabilities. Qualifications Proficiency in Solidity (ERC-721 / ERC-1155). Hands-on experience with Hardhat, Foundry, or Truffle. Knowledge of property tokenization and NFT data storage (IPFS / Arweave). Ability to design secure and...

As a Blockchain Engineer, you will be responsible for developing secure, scalable, and high-performance decentralized applications. Your primary focus will be on utilizing key technologies such as Node.js, Rust, Go, TypeScript, Ethers.js, viem, and Hardhat in smart contract and blockchain system development. You will be tackling practical challenges that arise during the development of such projects. Your tasks will include integrating Node.js, Rust, Go, and TypeScript into blockchain-backed applications. It will be crucial for you to discuss the trade-offs between using Rust or Go for performance-critical blockchain services. You will also need to address key challenges related to ensuring ...

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, tro...

To design, develop, and deploy decentralized applications (dApps) and smart contracts on the Ethereum blockchain. The ETH Developer ensures secure, gas-optimized, and scalable smart contracts that support business logic across Web3 applications. Role & responsibilities Smart Contract Development Write, test, and deploy smart contracts (ERC20, ERC721, ERC1155, etc.) using Solidity 2. dApp Integration Integrate contracts with front-end via Web3.js/Ethers.js 3. Gas Optimization Minimize gas costs for high-usage functions 4. Security Testing Perform formal verification, fuzzing, and unit tests 5. Tooling & Framework Use Leverage Hardhat, Foundry, Truffle, and The Graph 6.L2 & Multichain Deployme...

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 respons...

We are searching for a skilled Blockchain Developer proficient in Solana (Rust + Anchor) and EVM-compatible chains such as Ethereum, Polygon, Base, BSC. The ideal candidate will excel in smart contract development, cross-chain interoperability, and full-stack dApp creation with React and Web3 integrations. Your responsibilities will involve constructing secure, scalable, and user-focused decentralized applications incorporating seamless wallet and blockchain integrations. As an Immediate Joiner, you will be expected to: - Develop and deploy smart contracts on Solana (Rust + Anchor) and EVM-based networks utilizing Solidity. - Construct full-stack dApps using React.js/Next.js, Web3.js/Ethers....

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 ...

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 developm...

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...

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 ...

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 ...

We're looking for a skilled Smart Contract/Web3 Developer to build secure, efficient decentralized applications (dApps). You'll be responsible for: Designing, developing, testing, and deploying smart contracts. Integrating smart contracts with front-end applications. Ensuring smart contract security and optimization. We require: Proven experience in smart contract development (Solidity/Rust). Strong understanding of blockchain fundamentals. Proficiency with relevant development tools (Hardhat, Truffle, Web3.js/Ethers.js). Nice-to-haves include: Experience with other blockchain platforms, Web3 infrastructure, and front-end frameworks.

We are looking for an enthusiastic and passionate person from the software or education industry to be a part of our Team who can lead the team of students towards a bright future, will educate students in a technological field. You will develop technical training programs and help others develop skills that will make them better professionals. Training Expert must be extremely knowledgeable in his field of expertise and possess solid technical aptitude. Additionally, we expect you to be an excellent communicator, able to explain complex subjects in a clear and interesting way. The goal is to contribute to the development of people's technical/IT skills to meet organizational needs. Key Resp...

Key Responsibilities: Designing, developing, and maintaining scalable Web3-enabled full stack applications. Building intuitive frontends with React, Redux, Next.js, and component libraries like Chakra UI or Material UI. Writing secure backend services using Node.js, Typescript, including REST/GraphQL APIs. Designing and deploying cloud-native infrastructure using AWS with microservices architecture. Leading code reviews & architectural discussions Contributing to internal documentation, testing, CI/CD, and DevOps workflows. Requirements: 5+ years of experience in full stack development using TypeScript and JavaScript. Advanced proficiency in React, Next.js, and TypeScript. Experience buildin...

Key Responsibilities Architect, implement, and deploy secure, gas-efficient smart contracts on EVM-compatible chains. Develop and maintain contract systems for token issuance, compliance, permissioned trading, and governance. Write and maintain comprehensive test suites using Hardhat, Foundry, or equivalent frameworks. Review, optimize, and audit smart contracts for security, performance, and reliability. Collaborate with frontend and backend teams to define integration interfaces and transaction flows. Contribute to CI/CD pipelines for contract deployments and versioning. Stay up-to-date on the latest developments in the EVM ecosystem, smart contract standards (e.g., ERC-20, 1400, 3643), an...