Senior Blockchain Developer

2 weeks ago


Chennai, India Samsara (Blockchain Solutions) Full time

We’re hiring an experienced, pragmatic blockchain engineer to own core smart-contract development and backend integration work. You’ll build and test Solidity contracts (Foundry), implement secure MPC/BLS signing integrations, develop robust Python backend services that talk to exchanges and oracles, and help design production-grade token/stablecoin mechanics. You’ll be expected to ship high-quality, audited code and iterate quickly with product and security teams.What you’ll doDesign, develop and maintain Solidity smart contracts (wallets, vaults, stablecoin logic, tokenomics).Write thorough unit & integration tests using Foundry ; fuzzing and property tests a plus.Integrate smart contracts with Python backend services (attestations, session tokens, keeper/monitoring services).Implement and integrate MPC/BLS signing flows with the backend and client SDKs.Integrate with third-party APIs: price oracles, DEXs, CEXs, fiat on/off-ramps (REST/WebSockets).Build secure mint/burn, collateral, liquidation, and fee systems for a stablecoin product.Hardening, code review, working with auditors; help prepare audit packs and remediation.Help run CI/CD, deployments, and maintain release processes for mainnet/testnets.Mentor junior devs and drive engineering best practices.Must-have≥5 years professional experience in blockchain development.Strong Solidity skills and production experience writing & deploying EVM contracts.Deep Foundry experience (writing tests, scripts, fuzzing).Strong backend experience in Python (building API services, job/worker systems).Experience integrating with CEX/DEX APIs and oracles.Solid understanding of token mechanics, stablecoin design, and collateralized lending (LTV, liquidation).Familiarity with MPC/TSS and/or BLS signing workflows (practical integration experience preferred).Security-first mindset: experience with audits, threat modeling and secure development.Excellent problem-solving, communication skills, and ability to work autonomously in a startup environment.Nice-to-haveExperience with



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