0 - 31 years

1 Lacs

Posted:2 weeks ago| Platform: Apna logo

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Work Mode

Remote

Job Type

Full Time

Job Description

We are seeking a highly skilled developer with strong expertise in Python (FastAPI) and Solidity (Ethereum smart contracts) to build and maintain decentralized applications (DApps). The ideal candidate should have hands-on experience in designing secure, scalable APIs and implementing blockchain-based business logic. Key ResponsibilitiesBackend Development (FastAPI / Python): Design and implement RESTful & GraphQL APIs. Integrate backend services with blockchain smart contracts. Optimize backend performance, authentication, and security. Smart Contract Development (Solidity): Write, test, and deploy secure smart contracts on Ethereum (or compatible chains). Implement logic for tokenomics, staking, wallets, and decentralized transactions. Perform gas optimization and contract security audits. DApp Integration: Connect web/mobile frontends with backend + blockchain (via Web3.py / Web3.js). Manage blockchain nodes, wallets, and transaction flows. Implement crypto payments, token listings, and wallet interactions. Database & APIs: Work with relational (PostgreSQL/MySQL) and NoSQL databases. Build APIs for mobile/web clients and third-party integrations. Collaboration & Delivery: Work with cross-functional teams (frontend, mobile, DevOps). Participate in code reviews, testing, and documentation.

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