- Proficient in Solidity programming language
- Experience with wallet integrations
- Experience with ethers.js/web3.js
- Experience with Nodejs
- Experience with upgradable contracts, dynamic contracts, and factory contracts
- Design and develop smart contracts and decentralized applications on Ethereum, Polygon and Tron
- Excellent knowledge of various token standards like ERC20, ERC721 and ERC1155
- Write end-to-end unit tests for all smart contracts

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Job Title : Lead Blockchain Developer
Experience : 5+ Years
Location : Indore (WFO/Remote)
Employment Type : Contractual
Job Summary :
We’re seeking a Lead Blockchain Developer with 5+ Years of experience in building scalable, decentralized applications. The ideal candidate has expertise in Rust, Golang, Solidity, and Node.js, with hands-on experience in Geth, Docker, and blockchain infrastructure.
Mandatory Skills : Rust, Golang, Solidity, Node.js, Geth, Docker, Ethereum architecture, Smart Contracts, Blockchain Protocols.
Key Responsibilities :
- Design and develop core blockchain protocols and infrastructure.
- Build and deploy secure smart contracts using Solidity.
- Develop tools/services for Ethereum and related networks.
- Work on performant node-level development using Rust and Golang.
- Build APIs and backend services in Node.js.
- Manage containerized environments using Docker.
- Collaborate on system architecture and conduct code reviews.
- Stay updated on blockchain trends and implement best practices.
Key Requirements :
- Strong skills in Rust, Golang, Solidity, Node.js.
- Deep understanding of Ethereum, Geth, and blockchain concepts.
- Experience with Docker, API development, and smart contract security.
- Knowledge of consensus algorithms, cryptography, and performance tuning.
- Familiarity with CI/CD pipelines and DevOps tools is a plus.
Preferred Qualifications :
- Bachelor's/Master’s in CS or related field.
- Prior contributions to open-source or Web3 projects.
Designation - Blockchain developers
Work Mode :- Remote
Qualifications and Experience:
- The Blockchain developer will be responsible for designing, developing and implementing blockchain solutions.
- Candidates must be from Bachelor of Engineering Background.Freshers do not apply
- Minimum 3-5 years of hands on Experience in Blockchain,solidity,RUST,IDO and Token launches is mandatory.
- We are looking Candidates should who can join us immediately or 15 days
Job Position - BlockChain Developer
Experience - 4+ Years
Job Location - Bangalore
Responsibilities:
• Search, design, develop, and test blockchain technologies.
• Brainstorm and help evaluate applications for new tools and technologies as they continually evolve.
• Maintain and extend current client- and server-side applications responsible for integration and business logic.
• Be involved in the global blockchain community—work on implementing and integrating the latest improvement proposals.
• Document new solutions as well as maintain the existing ones.
Requirements:
• Total 4+ Years of experience in Backend Development and minimum 1+ years of experience in Ethereum, Blockchain
• Knowledge of any one of the programming languages: NodeJS, Java, GoLang, C, C++, PHP
• Basic understanding of blockchain technology: Bitcoin, Smart Contracts, Solidity, Cryptography
• Knowledge of private blockchains such as Hyper Ledger, and Corda is a plus
• Basic understanding of HTML, CSS, JS, Bootstrap, and knowledge of front-end technologies such as Angular/ React/ Vue is a plus.
• Knowledge in databases and database modeling: MySQL, PostgreSQL, MongoDB
• Understanding of Software Development Lifecycle (SDLC)
• Experience using Git for version control
Rejolut is among the fastest-growing and award winning Tech companies working on leading technologies namely Blockchain, Machine Learning & Artificial Intelligence, Complex mobile & Web Apps, IoT, etc.Rejolut is a venture-backed company with clients in over several countries namely Malaysia Airlines,gba global,my-earth,biomes, Dlg-hub,etc.
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
website: https://rejolut.com/" target="_blank">https://rejolut.com/
Job Description
1. Good knowledge of Rust & Solidity
2. Should have a deep understanding & knowledge of blockchain architecture & use cases.
3. Experience in writing smart contracts for large-scale production blockchain applications.
4. Should have good analytical & problem-solving skills.
5. Should have ability to design database and back-end development to communicate with blockchain.
6. Candidates with research aptitude will be preferred.
7. Experience in cryptocurrencies would be preferred
8. Must have a minimum 2+ years of experience.
Benefits :
> Health Insurance
> Work from Home
> Fast growth and more visibility into the company
> Experience to work on the latest technology
> Competitive Learning Environment with supportive co-workers
> Employee friendly HR Policies
> Paid leaves up to certain limits
> Competitive salaries & Bonuses
> Liberal working atmosphere
> Get mentored by the best in the industry
Work Schedule:
Day Shift/Flexible working hours
Monday to Friday
Technical Experience
- Solid understanding of and experience in BlockChain Development preferred
- 2+ years of Blockchain application development experience on platforms such as Ethereum, Hyperledger, BigchainDb, Multi-Chain.
- Experience in solution building on Blockchain technology.
- Experience on development tools such as Geth, Hyperledger Fabric/Sawtooth, Composer, Solidity Remix Functional
- Basic understanding of Web applications architecture and protocols.
- Any additional expertise with Python, containerization (Docker) and additional Cloud exposure also a huge plus
- Any previous integration expertise, Strong in Agile, Banking or Financial Service development expertise, as well as software development in a large Enterprise environment, also required Security Architecture / Cryptography
- Front-end development experience in HTML, CSS, JavaScript, ES6/TypeScript Angular, Node.js, ReactJS .
Skillset: strong knowledge of NFT's
Exp: 6+ Years
looking for Freelancer
We are a Quantitative Trading firm building proprietary trading products and infrastructure for crypto markets (both DeFi and CeFi). We are focusing heavily on building up our DeFi capabilities and are looking for a hungry DeFi native engineer to help us conceptualize and build our DeFi strategies and infrastructure.
We are a high-output research team of 5 from a variety of backgrounds, spanning from Machine Learning and System Engineering, all the way to fintech and business.
We build products for both internal and external use to uncover alpha opportunities in different areas of crypto markets, including trading both on centralized and decentralized exchanges (DeFi) and building systems to streamline order execution, gather and digest complex timeseries data streams.
We are looking for a DeFi Software Engineer who has a deep understanding of blockchain and is curious about algorithmic trading. You should be excited about making sense of large quantities of data, and decision modelling on time series, real-time data.
Responsibilities
- Designing, building and testing smart contracts and related infrastructure
- Researching new DeFi protocols and its connectors and building on them
- Building real-time monitoring tools and working with our team on latency-sensitive operations
- Ethereum Node Infrastructure setup and maintenance
- Work with the team on devising new trading strategies and uncovering opportunities
Qualifications
- Deep technical and practical understanding of DeFi protocols and DevOps practices for interfacing with them (both Ethereum and any other relevant one) - Must have extensive knowledge of Solidity, smart contract development (web3js or ethersjs) and testing.
- Knowledge of Javascript (knowledge of Golang/Python programming is nice to have).
- Must be comfortable working with either hardhat or truffle.
- Comfortable working in a dynamic, research-oriented team with several ongoing concurrent projects
- You look forward to working with an interdisciplinary team that longs to find solutions together.
- Knowledge of trading isn't required but interest in the field is paramount. If you are a self-taught wiz who has tried its hands at DeFi trading and AMM, even better!
The number of years of experience does not matter as long as you have built complex projects from scratch, a burning desire to learn more, constantly improve yourself and solving tricky problems on a daily basis. We're a small team so you can assure yourself that whatever you contribute - in terms of an engineer, or otherwise - is always heard and discussed.
Benefits
- Competitive salary and performance-based bonuses
- A young startup work environment, where your initiatives and ideas count and are rewarded
- A unique open research environment, where everybody contributes and sees the full spectrum of our work, from inception to production
- The chance to shape our firm's legacy and exchange knowledge with the team on every part of what we do.
The role location is preferably Hyderabad with to be able to brainstorm in person with the R&D team, but remote in India is also possible.
Please share github profiles and details of previous projects worked on (both commercial and personal).

