39 Web3.Js Jobs

CriticalRiver Inc. is a global technology consulting company specializing in Salesforce, NetSuite, and Oracle solutions. We provide consulting, implementation, integration, analytics, managed services, and quality assurance to help clients drive digital transformation and improve operational efficiency. Our expertise spans cloud, automation, and next-generation technologies such as AI/ML, IoT, RPA, and Industry 4.0. We serve a diverse range of industries, including Energy & Utilities, High Tech, Financial Services, Manufacturing, and Not-for-Profit. At CriticalRiver, we are committed to delivering innovative, end-to-end solutions that empower our clients to achieve sustainable business growt...

Company Description Nadcab Labs is a team of passionate blockchain enthusiasts dedicated to building innovative applications for the decentralized world. We specialize in developing secure blockchain solutions, including smart contracts, decentralized applications (dApps), and DeFi (Decentralized Finance) products. Our mission is to provide advanced and robust technologies that drive the future of blockchain. By focusing on cutting-edge developments, we aim to empower businesses and individuals to leverage the potential of decentralization. Role Description We are seeking an experienced Full Stack Engineer to join our team in Allahabad. This is a full-time, on-site role. You will be responsi...

Share On Position Junior Blockchain Developers Department Web Development Jobs - Blockchain Java PHP Python Django ROR Developer Skills Required Ethereum, Blockchain, Web3.js, ethers.js, Solidity Experience Required 1 years - 3 years Educational Qualification(s) Required BE / ME / B.Tech / M.Tech (CS / IT) / MCA or equivalent Overview of Job We are seeking a motivated and talented Blockchain Developer to join our dynamic team. This is an exciting opportunity to work on cutting-edge projects and contribute to the development of our blockchain solutions. Duties & Responsibilities Develop and Implement Smart Contracts: Design, develop, and deploy smart contracts on various blockchain platforms ...

The ideal candidate should possess a strong background in blockchain technology, specifically Ethereum, along with strong full-stack development experience. This role involves designing, developing, and maintaining Ethereum-based applications and integrating blockchain solutions with modern Web3 frontend and backend systems. Key Responsibilities Design, develop, and deploy blockchain-based solutions using the Ethereum platform. Build secure and scalable Smart Contracts using Solidity. Develop interactive DApps and user interfaces using React.js. Integrate blockchain functionality using wagmi, ethers.js, viem, and/or web3.js libraries. Build backend microservices/APIs using Node.js/NestJS to ...

We are looking for a passionate Blockchain Developer with strong front-end expertise in React and Next.js. The ideal candidate should have hands-on experience building decentralized applications (dApps) and working with modern web technologies. You will collaborate with our product and engineering teams to build scalable blockchain-based solutions. Key Responsibilities Develop and maintain front-end applications using React.js or Next.js. Integrate smart contracts with front-end interfaces using Ethers.js or Web3.js. Work on blockchain networks and implement De-Fi and DAO functionalities. Collaborate with backend developers and blockchain engineers for end-to-end development. Write clean, ef...

Job Description Job Summary We are seeking talented and motivated individuals for the role of Senior Manager Automation Specialist for the initiatives within our Distributed Ledger Technology (DLT) Centre of Excellence. Successful candidates will be experienced programmers who can develop user stories, develop test cases, break down, design, and develop solutions in an environment with constant collaborative discussions. They will be matured individuals who are comfortable working in an agile environment with critical peer reviews of design and code. They must be able to offer constructive critical reviews of other's designs and code. They must be able to collaboratively work with product ow...

We are looking for an experienced Senior Node.js Developer with strong expertise in backend development and hands-on experience in fintech and blockchain-based systems . You will architect, develop, and scale secure, high-performance APIs and microservices that power our financial and blockchain products. This role requires deep technical knowledge, strong problem-solving skills, and the ability to work in a fast-paced, highly collaborative environment. Key Responsibilities : Design, develop, and maintain Node.js-based microservices and REST/GraphQL APIs . Build robust, scalable, and secure backend systems for fintech and blockchain applications. Integrate with payment gateways, banking syst...

We are seeking a highly skilled and passionate Blockchain Developer with a strong background in front-end development. Responsibilities The ideal candidate will be responsible for designing, developing, and implementing user interface components using React.js workflows, ensuring high performance, scalability, and an exceptional user experience for web Responsibilities : Design, develop, and deploy smart contracts on Ethereum or other blockchain platforms. Build and maintain decentralized applications (dApps) with secure backend logic. Collaborate with frontend developers to integrate Web3 functionality. Conduct code audits, unit testing, and vulnerability assessments for blockchain applicat...

Blockchain & dApp Developer FullTime & Remote We are looking for a highly skilled Blockchain & dApp developer to join our team and drive the development of our next-generation financial technology products. As a Blockchain & dApp Developer, you will play a pivotal role in the design, development, and deployment of innovative blockchain solutions, working on projects that are integral to our mission, including the architecturing and development of decentralised finance (DeFi) platforms, smart contract writing, AA smart wallets, and the architecture of cross-chain applications. Thus, the ideal candidate will have a strong background in smart contract development and decentralised application (...

Develop and deploy blockchain apps and custom crypto tokens. Write and test smart contracts, ensure security, fix bugs, and improve Web3 performance. Work with the team to build reliable, scalable blockchain solutions.

Description We are seeking an experienced Blockchain Developer to join our team in India. The ideal candidate will have a strong background in blockchain technology and a passion for developing innovative solutions that leverage decentralized networks. Responsibilities Design, develop, and implement blockchain-based solutions for various applications. Collaborate with cross-functional teams to define and design new features. Maintain and improve existing blockchain infrastructure and applications. Conduct research and stay updated with the latest blockchain technologies and trends. Perform unit testing and integration testing for blockchain applications. Troubleshoot and resolve issues relat...

Job Summary We are seeking talented and motivated individuals for the role of Senior Manager Automation Specialist for the initiatives within our Distributed Ledger Technology (DLT) Centre of Excellence. Successful candidates will be experienced programmers who can develop user stories, develop test cases, break down, design, and develop solutions in an environment with constant collaborative discussions. They will be matured individuals who are comfortable working in an agile environment with critical peer reviews of design and code. They must be able to offer constructive critical reviews of other's designs and code. They must be able to collaboratively work with product owners to develop ...

Blockchain & dApp Developer FullTime & Remote We are looking for a highly skilled Blockchain & dApp developer to join our team and drive the development of our next-generation financial technology products. As a Blockchain & dApp Developer, you will play a pivotal role in the design, development, and deployment of innovative blockchain solutions, working on projects that are integral to our mission, including the architecturing and development of decentralised finance (DeFi) platforms, smart contract writing, AA smart wallets, and the architecture of cross-chain applications. Thus, the ideal candidate will have a strong background in smart contract development and decentralised application (...

Blockchain & dApp Developer FullTime & Remote We are looking for a highly skilled Blockchain & dApp developer to join our team and drive the development of our next-generation financial technology products. As a Blockchain & dApp Developer, you will play a pivotal role in the design, development, and deployment of innovative blockchain solutions, working on projects that are integral to our mission, including the architecturing and development of decentralised finance (DeFi) platforms, smart contract writing, AA smart wallets, and the architecture of cross-chain applications. Thus, the ideal candidate will have a strong background in smart contract development and decentralised application (...

Job Title: Backend Developer ReactJS, Python, NodeJS, Blockchain Experience: 3 to 8 years Location: Bangalore Job Summary: We are looking for a skilled and proactive Backend Developer with strong experience in ReactJS, Python, NodeJS , and a solid understanding of blockchain technologies . The ideal candidate will be responsible for building scalable backend systems and integrating them seamlessly with front-end components while also contributing to blockchain-based solutions. Key Responsibilities: Design, develop, and maintain backend services using NodeJS and Python Collaborate with front-end developers and contribute to ReactJS codebase when required Integrate blockchain protocols and sma...

About Avici Avici is a fintech startup changing the way people use stablecoins. Our platform enables easy spending, saving of stablecoins through an integrated solution featuring a DEFI wallet & Visa credit card. Our purpose is to decrease the influence of central banks by building distributed internet banking infrastructure Role Overview We're looking for a Full Stack Developer with strong backend and frontend experience to join our core engineering team. The ideal candidate should be confident working with Node.js , MySQL , MongoDB , and Next.js , while having a good understanding of blockchain concepts and libraries like Web3.js or Viem . You'll be working closely with the founders to bui...

Job Description We are looking for an experienced and passionate Blockchain Engineer with 3+ years of experience to join our team. The ideal candidate is highly proactive, a problem-solver, and has a strong interest in learning and implementing AI and ML alongside blockchain technologies. What You Will Do Design, develop, and maintain blockchain-based applications and smart contracts. Implement security protocols, cryptography, and consensus algorithms. Collaborate with cross-functional teams to integrate blockchain solutions into existing systems. Optimise blockchain-based systems for performance, scalability, and reliability. Conduct research to explore and propose improvements to existing...

Blockchain & dApp Developer FullTime & Remote We are looking for a highly skilled Blockchain & dApp developer to join our team and drive the development of our next-generation financial technology products. As a Blockchain & dApp Developer, you will play a pivotal role in the design, development, and deployment of innovative blockchain solutions, working on projects that are integral to our mission, including the architecturing and development of decentralised finance (DeFi) platforms, smart contract writing, AA smart wallets, and the architecture of cross-chain applications. Thus, the ideal candidate will have a strong background in smart contract development and decentralised application (...

About KeyValue KeyValue is a trusted product engineering partner for Start Ups & Scale Ups - unlocking their passion, developing ideas, and creating abundant value to all stakeholders in the ecosystem. We have ideated, conceived, strategized and built some of the globe's most innovative Fintech, Payments, Financial Services, Digital Commerce, Madtech, Edtech, Socialtech, Logistics, High Technology, Blockchain, Crypto, NFT and Healthcare companies, helping them conceive, scale, pivot, and enhance their businesses. KeyValue's mission is to be 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 ...

Job Summary: The Blockchain Developer is responsible for designing, implementing, and supporting distributed blockchain-based networks. This role involves analyzing business requirements, developing secure smart contracts, integrating blockchain protocols, and ensuring system scalability and reliability. The ideal candidate has strong experience in blockchain frameworks, cryptography, and decentralized application (dApp) development. Key Responsibilities: Design and develop blockchain solutions, smart contracts, and decentralized applications (dApps). Build and maintain blockchain protocols, consensus algorithms, and distributed ledgers. Write efficient, secure, and maintainable code for blo...

About Us: The Hashgraph Association (THA) is a global organization headquartered in Switzerland, and is a part of the Hedera Hashgraph (Hedera) ecosystem Hedera is a revolutionary proof-of-stake public Distributed Ledger Technology (DLT) network that is fast emerging as the gold standard in DLT for enterprise-grade solutions and decentralized applications (dApps). Hedera is governed by a council of the world's leading organizations - which include Google, Boeing, IBM, Dell, Deutsche Telekom, LG, Abrdn, London School of Economics, to name a few THA works closely with enterprises, startups, governments, and academic and training institutions around the world to deliver financing, custom-design...

About Us: Soul AI is a pioneering company founded by IIT Bombay and IIM Ahmedabad alumni, with a strong founding team from IITs, NITs, and BITS. We specialize in delivering high-quality human-curated data, AI-first scaled operations services, and more. Based in SF and Hyderabad, we are a young, fast-moving team on a mission to build AI for Good, driving innovation and positive societal impact. We are seeking an experienced Blockchain Developer to develop decentralized applications and smart contracts using blockchain technology. If you are passionate about building secure, scalable blockchain systems, this role is for you! Key Responsibilities: Design and develop smart contracts on platforms...

Share On Position Junior Blockchain Developers Department Web Development Jobs - Blockchain Java PHP Python Django ROR Developer Skills Required Ethereum, Blockchain, Web3.js, ethers.js, Solidity Experience Required 1 years - 3 years Educational Qualification(s) Required BE / ME / B.Tech / M.Tech (CS / IT) / MCA or equivalent Overview of Job We are seeking a motivated and talented Blockchain Developer to join our dynamic team. This is an exciting opportunity to work on cutting-edge projects and contribute to the development of our blockchain solutions. Duties & Responsibilities Develop and Implement Smart Contracts: Design, develop, and deploy smart contracts on various blockchain platforms ...

The role involves designing, developing, and deploying blockchain solutions, smart contracts, and dApps. Candidates should have 3–6 yrs of experience with Ethereum, Solidity, Web3.js, Node.js, and blockchain frameworks.

About bepay bepay is a non-custodial Web3 super app that enables fast, secure, and borderless payments across fiat, crypto, and CBDCs. Designed to support both users and merchants, bepay integrates digital payments, wallet services, and cross-chain infrastructure into one seamless mobile-first experience. We are focused on scaling financial access globally through cutting-edge, decentralized technologies. Position Summary We are looking for a Backend Developer Intern with a solid foundation in Node.js, databases, and API development . The role involves supporting backend services, building APIs, integrating with databases, and contributing to system performance and security. This is an excel...