Services
Industries
Careers /  Senior Node.js Developer (Blockchain Project)

Senior Node.js Developer (Blockchain Project)

Remote
Full-time
Job Overview

Vacancy Description

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.

Would 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.

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.
Why IdeaSoft

What We Offer

vacancy offer

Competitive compensation

vacancy offer

Social package (24 working days of annual leave and 5 paid sick days)

vacancy offer

Flexible working hours

vacancy offer

Challenging projects in diverse business domains and a variety of tech stacks

vacancy offer

Personal development and professional growth opportunities

vacancy offer

Work with talented, ambitious and family-feel team

vacancy offer

Educational possibilities: corporate courses, knowledge hubs, and in-house English classes

vacancy offer

Compensation for your professional certification & support for your learning activities

vacancy offer

Opportunity to choose IT equipment you like

vacancy offer

Corporate social responsibility

Tamara Mitiagina
Tamara Mitiagina
Head of Recruitment
Send Your CV

Would you like to join us?

Please send your resume for our review, and we will be in touch with you soon.

    Formats: pdf, doc, docx, rtf, ppt, pptx.