Blockchain Developer - Abuja, Federal Capital Territory
Only for registered members Abuja, Federal Capital Territory, Nigeria
4 weeks ago
* This salary range is an estimation made by beBee
Job summary
We are looking for a Blockchain / Smart Contract Developer & Backend Engineer with deep experience building decentralized applications (dApps), multi-chain integrations, and backend systems using TypeScript and The role requires strong technical expertise across blockchain ecosystems, backend architecture, and microservices deployment.
Responsibilities
- Design, develop, and deploy smart contracts across multiple blockchains (e.g., Ethereum, BNB Chain, Polygon, Solana, Avalanche, etc.).
- Write efficient, secure, and gas-optimized contracts in Solidity or relevant languages per chain.
- Integrate on-chain logic with backend systems and APIs.
- Conduct contract testing, audits, and simulation using tools like Hardhat, Foundry, or Truffle.
- Maintain interoperability between chains via bridges, oracles, and cross-chain messaging protocols.
- Keep up with evolving blockchain technologies, standards (ERC, BEP, SPL, etc.), and tooling.
Requirements
- Proven experience as a Blockchain Developer and Backend Engineer.
- Strong knowledge of Solidity, EVM-based chains, and smart contract deployment pipelines.
- Proficiency in TypeScript, , Express, or NestJS.
- Hands-on experience with microservices, Docker, and API Gateway design.
- Proficient in PostgreSQL and MongoDB, including schema design and optimization.
- Solid understanding of blockchain architecture, transaction flow, gas mechanics, and contract interaction models.
- Familiarity with CI/CD, GitHub Actions, or similar DevOps pipelines.
- Experience using Web3 libraries (e.g., , ) for blockchain interactions.
- Strong grasp of security best practices in both web and blockchain contexts.
Preferred Qualifications
- Experience with non-EVM blockchains (e.g., Solana, Cosmos, Near, Aptos).
- Understanding of cross-chain messaging, bridging, or L2 scaling solutions.
- Familiarity with IPFS, The Graph, or subgraph indexing.
- Knowledge of event streaming and real-time data pipelines (Kafka, Redis, RabbitMQ).
- Prior work on DeFi, NFT, or DAO projects.
- Contributions to open-source blockchain frameworks or libraries.
Job description
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