As a Senior Backend Engineer, you will build secure microservices, improve code quality, and own services end-to-end while leveraging modern technologies in a collaborative environment.
Hybrid based in London or Warsaw, or fully remote from Poland with visits to the Warsaw office.
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?
- Create a fintech solution chosen by 1000s of businesses.
- Build a product you can help shape and have impact on.
- Backed by top VCs (LakeStar, SeedCamp, etc.).
Requirements
We Seek 🔍
- A minimum C1 level of English proficiency is required.
- Minimum 8 years of experience
- Passion for learning Java/Spring nuances.
- Testing expertise.
- Team player who values autonomy.
- Happy to come to the office twice a week
Benefits
Benefits 🍱
- Unlimited paid holiday
- Personal growth fund
- Macbook Pro
We can only consider applications from candidates who are eligible to work in the UK/Poland without requiring visa sponsorship.
Founded in 2019 to fix startup funding gaps.
Top Skills
GCP
Java 21
Kubernetes
NoSQL
Spring Boot
Spring Cloud 3.3
SQL
Uncapped London, England Office
5 Bonhill Street, London, United Kingdom, EC2A 4BX
Uncapped Sevenoaks, England Office
42/44 Buckhurst Avenue, Sevenoaks, United Kingdom, TN13 1LZ
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What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.
