Backend Engineer

Hybrid role based in Warsaw, Poland

Join Our Mission 🚀 Help ambitious founders scale their businesses through innovative financing solutions. We value curiosity, continuous learning, and impactful problem-solving.

Tech You’ll Use  🔧

  • Core: Java 21, Spring Boot/Cloud 3.3
  • Infra: GCP, Kubernetes
  • Databases: SQL/NoSQL (picked per use case)

Your Impact ✍️

  • Build secure microservices for financial systems.
  • Own services end-to-end (design → deploy → monitor).
  • Improve code quality with automation & modern practices (CI/CD pipelines in 15 mins).
  • Stay ahead with cutting-edge tech and share insights.
  • Thrive in a meetings-light, Kanban-driven team.

Why Uncapped?

  • Shape fintech tools chosen by 1000s of businesses.
  • Backed by top VCs (LakeStar, SeedCamp, etc.).
  • Trusted product you can help shape.

Requirements

We Seek 🔍

  • Minimum 3 years of experience
  • Passion for learning Java/Spring nuances.
  • Testing expertise.
  • Team player who values autonomy.
  • Happy to come to office twice a week

Benefits

Benefits 🍱

  • Unlimited paid holiday
  • Personal growth fund
  • Macbook Pro

We can only consider applications from candidates eligible to work in Poland without requiring visa sponsorship.

Founded in 2019 to fix startup funding gaps.

Here at Uncapped, we believe founders shouldn’t have to give away ownership of their company to fund growth. That’s why we provide no-security and no-equity investments from £10k - £5 million to founders and companies who are changing the world.We charge a flat fee of 6-12% on the capital provided and get repaid through a revenue share. There are no pitches, cap tables or coffees required. So founders can apply online, receive an offer and focus on growing their business!We’re a fully remote company and backed by Europe’s top investors including Lakestar, Seedcamp, Global Founders Capital, Whitestar, and Mouro Capital (Santander Bank) - early investors in other fintechs such as Transferwise, Revolut, and Funding Circle.**Disclaimer for recruitment agencies**Thank you for your interest in our hiring – we do not accept unsolicited CVs from recruiters or employment agencies. We will not consider or agree to payment of any referral compensation or recruiter fee relating to these unsolicited CVs. Any unsolicited CVs, including those submitted to hiring managers or others in the company, are deemed to be the property of Uncapped. We explicitly reserve the right to hire those candidate(s) without any financial obligation to the recruiter or agency.

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