SENIOR WEB3 DEVELOPER
ConfidentialBengaluru / Bangalore, India4 days ago
Job descriptionSet up, run, and maintain nodes and staking environments across multiple blockchains (L1 & L2). Contribute to protocol integration with Aptos, Arbitrum, OKX, BTC Taproot, and other ecosystems. Conduct in-depth smart contract audits, both manual and with tools (e.g., Slither, MythX, Echidna, Foundry). Identify and mitigate vulnerabilities such as diamond attacks, civil attacks, sandwich attacks, MBV (Miner / Maximal Extractable Value) and other exploits. Implement best practices for contract upgradability and secure protocol design. Develop and integrate ZK-proof systems for privacy-preserving transactions. Collaborate with researchers and engineers on novel cryptographic solutions. Work closely with product, security, and research teams to deliver robust blockchain solutions. Create detailed technical documentation and contribute to internal knowledge sharing. 8+ years in software development, including 5+ years in blockchain development. Programming Languages : Solidity, Move (.move), Rust, JavaScript / TypeScript, Python (preferred). Blockchain Expertise : Aptos, Arbitrum, OKX, BTC Taproot, Ethereum, Layer 1 & Layer 2 solutions. Smart Contracts & Security : Strong grasp of bridging, contract patterns, and vulnerabilities (reentrancy, diamond, sandwich, MBV, etc.). Auditing Tools : Familiarity with tools like Slither, MythX, Foundry, Tenderly, Echidna, Certora. Infrastructure : Node setup, validator operation, staking mechanisms, RPC management. Cryptography : Understanding of ZKPs, elliptic curve cryptography, and consensus mechanisms. Problem Solving : Ability to diagnose complex blockchain issues and propose scalable solutions. Bachelor's degree in Computer Science, Software Engineering, or related field (Master's preferred). Prior contributions to open-source blockchain projects. Experience in building or auditing DeFi protocols. Familiarity with bridging protocols (e.g., Wormhole, LayerZero). Experience with rollups, sidechains, and modular blockchain design. Active participation in Web3 communities and hackathons.
We are seeking a highly skilled Senior Web3 Developer with deep expertise in blockchain protocols, smart contract development, and security practices. The ideal candidate will have hands-on experience across multiple chains and ecosystems, including Aptos, Arbitrum, OKX, Bitcoin Taproot, and strong knowledge of Layer 1 and Layer 2 networks. This role requires proficiency in Solidity and Move for smart contracts, advanced knowledge of bridging and interoperability, and a strong understanding of security threats and mitigation strategies in DeFi.
Key Responsibilities
Smart Contract Development & Deployment
- Design, develop, and deploy secure smart contracts using Solidity and Move (.move).
- Implement cross-chain functionality, bridges, and interoperability solutions.
- Optimize smart contracts for gas efficiency, scalability, and security.
Blockchain Infrastructure
Security & Auditing
Zero-Knowledge Proofs & Cryptography
Collaboration & Documentation
Skills & Experience
Qualifications
Skills Required
Rust, Bitcoin, Foundry, Solidity, Typescript, Javascript, taproot , Ethereum, layer 1, Layer 2, Python
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Senior Developer • Bengaluru / Bangalore, India
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