Senior FullStack Developer CML Team $$$$

Madfish

Madfish

Software Engineering

Ukraine · Europe

Posted on May 10, 2026

If you’re excited to work in an agile team known for fast and efficient decision-making—and want to contribute with your strong JavaScript expertise—don’t hesitate to reach out 🚀

Your responsibilities:

  • Conceptualize and implement high-quality features, diagnose bugs, and deliver effective solutions
  • Optimize existing code and database queries for performance, scalability, and testability
  • Collaborate with local and international agile teams
  • Design and implement new product features

Requirements:

  • Strong experience with TypeScript and React.js
  • Familiarity with Next.js and MobX for state management
  • Basic to intermediate experience with Node.js (as a secondary skill)
  • Solid understanding of backend fundamentals (APIs, data flow, client-server interaction)
  • Understanding of software architecture and project structure (scalable and maintainable solutions)
  • Spoken English for effective communication

Nice to have:

  • Experience with backend development beyond Node.js
  • Knowledge of ffmpeg for media processing
  • Experience integrating ChatGPT or other AI tools

What we offer:

  • A unique opportunity to join a fast-growing international scale-up with an open and motivated team
  • Competitive compensation, including 20 paid vacation days and sick leave
  • Comfortable office in the heart of Kyiv, with remote flexibility
  • Flexible working hours
  • Access to tech talks, hackathons, and global conferences

If this sounds like your next challenge—let’s talk!