We are looking for a Node.js Developer to join IdeaSoft and contribute to a large-scale blockchain project.
In this role, you will work on backend development for a blockchain-based ecosystem, building scalable services, integrating blockchain components, and contributing to the development of secure and reliable backend solutions. This position is a good fit for an engineer who has strong Node.js experience, understands backend architecture, and is interested in working with real blockchain products, not just theoretical Web3 concepts.
Tech Stack
Node.js / TypeScript, NestJS
PostgreSQL, Redis / Valkey
L2 blockchain (interaction with other networks)
Docker, Kubernetes (bare-metal & cloud infrastructure)
Requirements:
4+ years of experience with server-side JS/TS;
Solid understanding of TypeScript and JavaScript fundamentals and internals;
Experience with Express, NestJS, or similar frameworks;
Strong understanding of asynchronous programming, event-driven architecture, and non-blocking I/O;
Understanding of different types of scaling and microservice architectures in various implementations;
Hands-on experience with Web3.js or Ethers.js for interacting with Ethereum or other EVM-compatible networks;
Understanding of smart contracts;
Familiarity with popular blockchains such as Ethereum, Binance Smart Chain, or Layer 2 solutions;
Expertise in data structures, algorithms, and software design patterns;
Solid understanding of software architectural patterns;
Experience with relational databases (especially PostgreSQL);
Deep experience with SQL (including schema/query design and optimization);
Experience with ORMs;
Familiarity with Docker, containerization, and orchestration tools;
Strong analytical and problem-solving skills;
Proficiency in writing unit, integration, and end-to-end tests;
Conversational English.
Responsibilities:
Write efficient, maintainable code;
Design and implement independent, self-sufficient components efficiently;
Participate in architectural discussions and technical decision-making;
Identify potential technical risks and develop mitigation strategies;
Ensure effective knowledge sharing and maintenance within the team;
Foster a collaborative and innovative development environment;
Perform cross code reviews with team members;
Properly maintain documentation.
