We are looking for a Senior Node.js Developer (Blockchain Project).
We are building a next-generation ecosystem with a blockchain as its foundation, a non-custodial wallet, and a stablecoin protocol. After a successful demo, the project is now preparing the core components (blockchain + stablecoin) for launch. In parallel, development has started on additional secured projects, including:
A document management system,
A country-specific solution,
An e-invoicing platform,
And several other ecosystem modules ready to begin.
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.
