Senior Full Stack developer

2 days ago

Belgrade, Central Serbia Diffco Full time €40,000 - €80,000 per year

We are seeking a Senior Full Stack Engineer to join a fast-growing SaaS company. The role will strengthen existing product teams, accelerate AI readiness initiatives, and support a company-wide rebrand implementation project.

Position: Senior Full Stack Engineer

Location: Central/Western Europe (CET/WET)

Contract: B2B

Responsibilities

  • Deliver end-to-end features across backend and frontend, with emphasis on backend.
  • Contribute to refactoring and modernizing systems as well as new feature delivery.
  • Collaborate with product, design, and research teams in a distributed environment.
  • Implement design updates as part of a rebranding initiative (typography, assets, UI components).

Must-Have Skills

  • 8+ years in engineering, with proven SaaS/B2B experience.
  • Strong in TypeScript, , React, PostgreSQL.
  • Exposure to system design and scaling at enterprise or large project level.
  • Ability to ship high-quality features fast.
  • Experience migrating legacy systems or supporting multi-region infra is a plus.

Soft Skills

  • Agentic mindset: outcome-driven problem solver, not bound by process.
  • Excellent cross-team communication in distributed environments.

What we offer:

  • Competitive salary and bonuses
  • Flexible work hours
  • Remote job
  • Professional development opportunities
  • Vibrant workplace culture

Why working at Diffco?

  • Great experience and opportunity:
    You will work on the fast-forward projects in Silicon Valley utilizing the latest technologies, methodologies, frameworks and approaches with the ability and time to learn and develop professionally.
  • Professional and harmonious team of friends:
    Our team is a second family, so you would enjoy spending the day working on nice projects with kind people with broad interests.
  • A vast field for growth:
    Learn continuously, expand your skills and demonstrate your professional level and ability to take more responsibility to grow.
  • Great company culture:
    We care about you and are interested in your personal professional goals, motivation and we build a perfect work/life balance.

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