Senior Java Developer - Back End - Krakow

Company: Ubiquiti
Location: Kraków, Poland
Type: Hybrid
Posted: Aug 19, 2026
Views: 3

✨ AI Summary

Ubiquiti, a global tech company connecting businesses, smart homes, and ISPs with over 100 million devices shipped, is hiring a Senior Java Developer for its UniFi Network Team in Krakow. You'll build scalable back-end features using Java 17, Spring Boot, MongoDB, GraalVM, Gradle, and GitHub. Requires 7+ years of Java experience, REST API development, and SOLID principles; hybrid work in Krakow with flexible hours. Salary: 18,000–25,000 PLN gross (UoP) or $5,000–$7,800 USD (B2B), plus access to all Ubiquiti products and modern AI tools.

About Ubiquiti

At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity.

About the Role:
Ubiquiti Poland is looking for talented Java developer for UniFi Network Team. You’ll be working on UniFi Network application back-end to develop efficient, scalable and maintainable features. Your work will have impact on a large end-user base, and you’ll be able to use products you develop at home. It's a larger responsibility, but potential to grow as a leader.

The project stack: Java 17; Spring Boot; MongoDB; GraalVM; Gradle; GitHub.

Knowledge and Experience:

  • 7+ years developing Java applications
  • REST API development to support Web & mobile applications
  • Develop integrations with network device firmware and other UniFi OS applications
  • Participate in all phases of development, including feature design
  • Good understanding of SOLID principles
  • Experience in web application development
  • Fluent in English


Nice to have:

  • Spring or other web framework knowledge
  • DevOps experience
  • Experience with Bash and Unix
  • Polish Language - intermediate level
  • Clean Code


Benefits:

  • International work environment and work with global development teams;
  • Ability to deliver software that is used by millions of people across the globe;
  • Opportunity to leverage and integrate modern AI tools into product development;
  • Access to all Ubiquiti products;
  • Private Medical insurance (UoP only);
  • Hybrid approach - office in Krakow;
  • Flexible work hours;
  • Compensation package matching global standards, including competitive salary depending on your qualification and background;
    • UoP: 18,000–25,000 PLN gross monthly;
    • B2B: $5,000–$7,800 USD gross monthly;
  • A-class office with all the necessities - snacks, drinks, free parking, etc!

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Name: Ubiquiti

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