Software Engineer (Node.JS)

We are hiring a Software Engineer (Node.JS) for a product fintech company.

Responsibilities:

• Design and build scalable APIs for frontend applications, ensuring caching and fault tolerance
• Develop scalable processes to extract, transform, load, index, and aggregate data efficiently
• Create a billing system from scratch, ensuring accuracy and security,
• Implement a routing system for RPC nodes
• Continuously deepen your knowledge of blockchain technology and EVM (Ethereum Virtual Machine), and share insights with the team
• Write unit tests to ensure code reliability and maintainability
• Implement and advocate for best practices in software development and system design

Obligatory:

• 5+ years of experience in Node.js development
• 1+ year of experience in blockchain-related projects
• Proficiency in TypeScript 5.8 and Node.js v22
• Hands-on experience with RabbitMQ and Redis for messaging and caching
• Strong understanding of the HTTP protocol
• Experience in building scalable RESTful or JSON-RPC APIs using Express.js or fastify
• You knwow how to store data efficently in Mongo and Postgres
• Familiarity with Viem, Ethers.js, or Web3.js libraries
• Solid understanding of smart contracts, ETH RPC node API, tokens, gas, and consensus mechanism

Preferably:

• Knowledge and hands on experience in CI/CD solutions would be a plus
• Understanding of ETL flows, data warehouses, and data lakes
• Familliar with hardhat tool
• Understanding of ETL flows, data warehouses, and data lakes

Contact for more details: ka.rakulenka@gmail.com