Node.js / NestJS Backend Developer Hanna Robulets Company $$$$

Madfish

Madfish

Software Engineering

Ukraine · Europe

Posted on May 10, 2026

Location: Remote
Workload: Full-time
Project: long-term

About the role

We’re looking for a Backend Developer with strong Node.js/NestJS expertise to build and scale microservices-based systems. The role involves designing high-load services, working with distributed systems, and integrating modern backend patterns including async processing and real-time communication.

Requirements

  • 3+ years of experience with Node.js and NestJS
  • Strong experience with PostgreSQL, MongoDB, Redis
  • Solid understanding of microservices architecture
  • Experience with asynchronous processing (queues, event-driven systems)
  • Ability to write scalable, maintainable, and reliable code
  • Experience building REST APIs, WebSockets (WS/WSS), RPC services
  • Ability to read and work with existing codebases
  • High attention to detail

Nice to have

  • Experience with Go / Golang
  • Deep knowledge of NestJS (lifecycle, DI, custom providers, dynamic modules, scopes, Async Local Storage, reflector)
  • Deep knowledge of Redis (MULTI/EXEC, data structures, Lua scripts, Pub/Sub)
  • Basic understanding of prompt engineering, AI agents, skills

Responsibilities

  • Develop and maintain microservices
  • Design and implement high-load backend systems
  • Work with event-driven and async architectures
  • Optimize performance and scalability
  • Collaborate with cross-functional teams