Senior Full-Stack Engineer (AI Products) 26 Lines of Code $$$$

Madfish

Madfish

Software Engineering, Data Science

Ukraine · Europe

Posted on May 10, 2026

Senior Full-Stack Engineer (AI Products)

26 Lines Of Code is looking for a Senior Full-Stack Engineer who doesn’t just code, but leads projects and drives execution.

🔹 What You’ll Do

  • Lead projects end-to-end (architecture → delivery).
  • Design scalable, AI-powered solutions.
  • Connect product vision with technical execution.
  • Communicate trade-offs, timelines, and risks to clients.
  • Mentor engineers and maintain high code quality.
  • Work with microservices and REST APIs.
  • Handle authentication (OAuth, SAML, SSO).

🔹 Requirements

  • 5+ years of Full-Stack experience.
  • Strong React.js, Node.js, JavaScript, TypeScript.
  • SQL (MySQL/PostgreSQL) + Redis or other NoSQL.
  • Cloud platforms (AWS / Azure / GCP).
  • Solid knowledge of design patterns & best practices.
  • Strong communication skills (English B2+).
  • Availability for overlap with Eastern USA time zone.

🚫 Not a fit if you’re looking for a pure coding role without ownership.

  • Full-time
  • Remote
  • B2B/ UKR FOP
  • Long term project