Backend Developer at silverlineswap · Chennai · 2 - 4 years · ₹5L - ₹5.4L / yr · Bootstrapped · Posted 27 Apr 2022
NodeJS (Node.js)
MongoDB
Express
Javascript
PythonBachelor's or Master's degree in Computer Science, Information Systems,
or equivalent.
EXPERIENCE – 2 to 5 years
CTC - UPTO 5.4L P.A.
JOB DESCRIPTION
We are looking for a backend developer who will be responsible for designing,
implementing, and supporting a distributed blockchain-based network. Your primary
responsibility will be analysing requirements, designing Blockchain technology around
a certain business model, and the building and launching of a blockchain network. You
will be asked to work on various blockchain technologies like Ethereum (Layer 1 & 2,
i.e Binance Smart Chain ).
● Analytical, results-driven Back-end Developer who will work with team members
to troubleshoot and improve current back-end applications and processes.
Focused on building a better, more efficient program and creating a better
end-user experience.
● Work closely with Frontend developers to integrate new web features into
our application
● Strong understanding of the web development cycle and programming
techniques and tools.
● Strong communication and presentation skills
● Ability to work in a fast-paced environment.
SKILLSET
● Experience with Smart contract development tools
● Strong background in Javascript, Python & Node JS, SQL
● Build new features and products using modern backend tools (Node.js, Mongo,
SQL, GraphQL)
● Hands-on technical exposure in implementing Blockchain technologies
(Ethereum and Hyperledger Familiarity with Hyperledger Fabric and Solidity )
Understanding of Distributed Ledger technology, Blockchain ecosystem and
structure.
● Experience working in an Agile and DevOps environment.
● Knowledge on Mining, Hashing, Elliptic Curve Cryptography(ECC) and P2P
networking Extensive experience with progression of major projects from the
planning stage through to implementation and completion Effective
communicator to all stakeholders and management during project consulting
and analysis. Strong Software development background.
● Experience on Smart contract and Solidity, development tools for Ethereum
(testrpc, geth, Web3, eth_lightwallet, etc.
● Experience in writing smart contracts.
● Good understanding of NFTs and tokens.
● Experience in wallet integration like MetaMask and Coinbase Wallet.
Experience working with decentralized application protocols like DeFi..
Working knowledge of at least one of the Blockchain frameworks such
as Hyperledger Fabric, R3 Corda, Ethereum (Solidity).
● Experience working with large code-bases.
● Proficiency in one or more of the following languages: C++, Go, Solidity,
Rust, Node.js, React.js.
● Strong knowledge of Algorithms and Data Structures.
● Familiarity with Cryptography.
● Familiarity with P2P networks
● Strong knowledge of bitcoin-like blockchains.
● Strong knowledge of concurrency and writing efficient and safe multithreaded
code
● Familiarity with code versioning tools such as Git
Shubham Vishwakarma
Full Stack Developer - Averlon
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Senior Blockchain Developer
Location: India, Remote
Employment Type: Full-Time / Contract
Department: Engineering
About Us
OpenAssets is building open standards for the next generation of capital markets, providing the trusted foundation for real-world asset tokenization and digital currencies.
We specialize in alternative asset digitization, offering regulatory-conscious tools to design, issue, and manage digital assets in complex financial environments. We also develop loyalty solutions that turn customer engagement into programmable digital assets, helping brands create personalized experiences that drive growth.
OpenAssets operates at the intersection of finance, technology, and regulation focused on building secure, scalable, and open infrastructure for the future of digital markets. Join OpenAssets and be part of shaping the future of digital finance!
Overview
We are seeking a Blockchain Developer to lead the technical implementation of our Web3 infrastructure. In this role, you will be responsible for the end-to-end lifecycle of smart contracts and their integration into our broader financial ecosystem. You will act as a technical authority on blockchain security, scalability, and architecture, ensuring our platform meets the rigorous demands of institutional digital finance.
What You’ll Do
Smart Contract & Blockchain Development
- Design, develop, test, and deploy smart contracts and blockchain applications.
- Build and maintain secure, scalable backend services for blockchain products.
- Develop and maintain cross-platform applications that integrate with on-chain infrastructure.
- Integrate wallets, payment systems, and blockchain APIs with existing systems.
- Optimize for gas efficiency, transaction latency, reliability, and scalability.
Security & Quality
- Implement and uphold best practices for blockchain security and smart contract auditing.
- Review smart contracts and backend code for security vulnerabilities and performance issues.
- Support audits, security reviews, and production releases.
- Maintain high test coverage and disciplined release processes.
Collaboration & Communication
- Collaborate with product and engineering teams to define and deliver technical requirements.
- Communicate technical concepts clearly to both technical and non-technical stakeholders.
- Mentor junior engineers and contribute to a strong engineering culture.
- Stay current with emerging blockchain technologies, DeFi, and Web3 infrastructure trends.
Qualifications & Experience
- Experience: 3+ years of software engineering experience with at least 3+ years of hands-on blockchain/Web3 development.
- Blockchain Core: Strong experience with Solidity and EVM-compatible chains (Ethereum, Polygon, and others).
- Production Deployment: Proven track record building, testing, deploying, and maintaining smart contracts in production.
- Deep Technical Knowledge: Solid understanding of blockchain architecture, including consensus mechanisms, gas optimization, wallet flows, token standards, and transaction lifecycles.
- Full-Stack Proficiency: Good understanding of the MERN stack (MongoDB, Express.js, React, Node.js) and how full-stack applications integrate with blockchain infrastructure.
- Backend Expertise: Proficiency in Node.js and TypeScript with experience building RESTful backend applications.
- Testing & Tooling: Experience with smart contract and backend testing frameworks (e.g., Foundry, Hardhat, Mocha, Jest) and Web3 libraries like Ethers.js or Web3.js.
- Cloud Infrastructure: Hands-on experience with AWS, including deploying, managing, and scaling services like EC2, S3, Lambda, and RDS.
- Databases & DevOps: Comfortable with relational (PostgreSQL) and non-relational (MongoDB) databases, Git, and collaborative development workflows.
- Soft Skills: Strong communication skills in English with the ability to articulate technical concepts to diverse stakeholders.
Nice to Have
- Familiarity with the Move language (Sui, Aptos).
- Experience with smart contract audit tooling such as Slither, Mythril, or Manticore.
- Exposure to RWA tokenization, DeFi, stablecoins, NFTs, staking, or bridging protocols.
- Professional background in fintech, payments, or regulated blockchain use cases.
We are committed to providing equal opportunity for qualified applicants to contract positions, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. This is a contract opportunity, not a direct employment role.
NextJs (Next.js)NodeJS (Node.js)Fullstack Blockchain Developer
Remote
We build production software: web products, internal tools, APIs, and on-chain features when needed.
You own features end to end: requirements, React or Next.js UI, Node APIs, wallet and smart contract integration, transaction states, indexing, and on-chain/off-chain sync. SQL or NoSQL, REST or GraphQL. Ship with Product and Design. Keep it reliable and secure.
Bring 2+ years of TypeScript or JavaScript, frontend and backend. React or Next.js. Node (Express or NestJS). ethers, viem, or web3.js. REST, SQL, a major cloud, production deploys, and tests. Clear remote communication. Degree or equivalent. Self-starter.
Nice: Solidity (Hardhat or Foundry), indexing or multi-chain, Docker/CI, internal tools.
We welcome applicants from a wide range of backgrounds. Apply with links to web and blockchain work, your timezone, and when you can start.
NodeJS (Node.js)PythonMongoDB
PostgreSQLBackend Developers
- Contract To Hire (Initial Engagement: 6 months)
Experience: 5+ years
Mandatory Skills:
● Node.js
● Python
● MongoDB
● PostgreSQL
● REST API design and development
● Backend architecture and service design
● Database design, indexing and query optimisation
● Performance tuning
● Authentication/authorisation
● Third-party integrations
● Asynchronous processing and background jobs
● Logging, monitoring and debugging
● Git and collaborative development
● Scalable, maintainable and testable backend services
● Architecture discussions, code reviews, debugging and production support
Good to have:
● Microservices
● Docker
● Cloud platforms
● Redis
● Message queues
● CI/CD
● Observability
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon