G.t.b.nagar Delhi Delhi Software engineer blockchain Jobs – 1 Open Jobs Today

Software Engineer - Blockchain
Flexsin —Noida, Uttar Pradesh
- JavaScript
- APIs

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Software Engineer - Blockchain
Flexsin —Noida, Uttar Pradesh
Understanding of smart contract vulnerabilities and Web3 security best practices. Strong knowledge of Web3 wallet integration, blockchain architecture, and RPC…
Embedded Engineer Trainee
HashStudioz Technologies Pvt Ltd —Noida, Uttar Pradesh
Collaborate with senior engineers for hardware-software integration. Assist in the design, development, and testing of embedded systems.
₹2,41,989.44 - ₹8,09,558.05 a year
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Software Engineer - Blockchain

Flexsin -
Noida, Uttar Pradesh

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Job details

Qualifications

Authentication
Rust (programming language)
Node.js
React
Full-stack development
Git
MongoDB
Docker
JavaScript
PostgreSQL
Continuous integration
Redis
REST
UX
GitHub
APIs
UI
GraphQL
GitLab
React Native

Full job description

Job Description:

We are looking for a skilled Blockchain Developer with hands-on experience in Solana (Rust + Anchor) and EVM-compatible chains (Ethereum, Polygon, Base, BSC). The ideal candidate should have expertise in smart contract development, cross-chain interoperability, and full-stack dApp development with React and Web3 integrations.

You will work on building secure, scalable, and user-centric decentralized applications with seamless wallet and blockchain integrations. Immediate joiners preferred.

Responsibilities:

Develop and deploy smart contracts on Solana (Rust + Anchor) and EVM-based networks using Solidity
Build full-stack dApps with React.js/Next.js, Web3.js/Ethers.js, and wallet integrations (MetaMask, Phantom, WalletConnect)
Implement cross-chain features using LayerZero, Wormhole, or Axelar (bridging, syncing, wrapped tokens)
Write secure, gas-optimized contracts and perform thorough testing (Mocha, Jest, Anchor test suite, Hardhat, Foundry)
Integrate backend services with Node.js, GraphQL/REST APIs, PostgreSQL/MongoDB, and Redis (optional)
Automate deployments using Docker and CI tools (GitHub Actions, GitLab CI)
Monitor and troubleshoot on-chain activity using tools like Tenderly, Etherscan APIs, and Solana Explorer
Collaborate with frontend and DevOps teams to ensure great UI/UX and scalable infrastructure

Required Skills & Experience:

3+ years of full-stack development experience.
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).
Familiarity with authentication protocols like JWT, OAuth2, and SIWE (Sign-In With Ethereum/Solana).
Understanding of smart contract vulnerabilities and Web3 security best practices.
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.

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Software Engineer - Blockchain

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