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)
- 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.
- 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.
Will be a plus
- Familiarity with DevOps practices and Infrastructure-as-Code (IaC) tools;
- Understanding of consensus algorithms, cryptographic principles, and decentralized applications (dApps);
- Familiarity with Matter Labs’ zk stack;
- Experience in the FinTech domain;
- Understanding of different rollup technologies;
- Openness to technology stack changes and adaptability.