backend developer in Web3

Innowise is a software development company that has implemented more than 1,600 cases for clients from the USA, Denmark, Germany, and other countries.

• Strengthen the team and contribute to Web3 backend development.

• 5+ Years of commercial experience with Node.js / TypeScript development, including hands-on experience in blockchain / Web3 projects;
• Strong understanding of blockchain transaction architecture, including transaction lifecycle, nonce management, gas/fee models, confirmation mechanisms, and transaction resubmission strategies;
• Experience integrating with EVM-compatible networks such as Ethereum, Arbitrum, Base, and Polygon;
• Experience building transactional pipelines, including queue management, retry mechanisms, and idempotency handling;
• Experience working with event-driven microservice architectures using Kafka, RabbitMQ, or SQS;
• Experience interacting with blockchain nodes via RPC and understanding the specifics of working with node providers;
• Hands-on experience with Web3 libraries such as ethers.js, viem, web3.js, or similar;
• Understanding of DeFi protocols, including AMMs, lending protocols, bridging solutions, and on-chain routing mechanisms;
• Basic understanding of Web3 security principles, including custodial vs. non-custodial architectures and transaction signing processes;
• English proficiency at B2 level or higher;
• Nice to have: Experience integrating custodial providers and wallet infrastructure solutions, familiarity with non-EVM ecosystems such as Solana, TON, and Tron, experience working with on-chain indexing solutions such as The Graph or custom-built indexers, Full-Stack development experience with React, wagmi, and frontend development, familiarity with rollup architectures and interoperability protocols such as LayerZero and Wormhole.

• Flexible work schedule;
• Experience of working with clients all over the world;
• Financial assistance;
• Medical insurance.