Blockchain Engineer - DeFi

Position Title: Blockchain Engineer - DeFi
Location: Ahmedabad (On-site or Remote)
Type: Full-Time
Experience Required: 3 - 8 years (Web3 / Full Stack Development)

The role requires strong expertise in frontend, backend, and smart contract development, along with a deep understanding of DeFi primitives and blockchain protocols. Candidates should be able to design and deliver secure, scalable, and production-grade DeFi systems.

Tasks & Responsibilities:

• Architecting and developing full-stack DeFi applications (frontend to smart contracts).
• Building scalable backend systems (Node.js, TypeScript, AWS, Google Cloud).
• Designing and auditing secure smart contracts (Solidity, Foundry, Hardhat).
• Developing modular, component-driven frontends (Next.js, Tailwind, shadcn/ui).
• Working with databases (MongoDB, Redis, IPFS) and APIs (REST/GraphQL).
• Integrating blockchain data and cross-chain systems.
• Collaborating with protocol, product, and design teams.

Core Technologies:

• Frontend: Next.js 14, TypeScript, Tailwind CSS 4, shadcn/ui, Storybook, Redux Toolkit, React Query, Jest, Cypress
  
• Backend: Node.js, TypeScript, Redis, MongoDB, AWS (ECS, Lambda, S3, CloudFront, Secrets Manager), Docker, Kubernetes, Kafka/RabbitMQ, scalable system design
  
• Smart Contracts: Solidity, Foundry, Hardhat, viem, ethers.js, wagmi, Forge/Anvil testing, Slither, Echidna
  
• Cross-Chain & Data Indexing: LayerZero, Axelar, Wormhole, The Graph, Subgraph, Across, Chainlink
  
• Observability & CI/CD: Datadog, Grafana, Sentry, GitHub Actions, Terraform