Senior Backend Engineer

CompanyUncapped

LocationLondon, England, United Kingdom

Posted At2/17/2026

UK Visa Sponsorship Analytics

Analytics are greyed out due to low classification confidence (36.0%).

Occupation Type

Metal working machine operatives

Occupation Code Skill LevelIneligible

Sponsorship EligibilityIneligible for Sponsorship

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Description

Hybrid based in London or Warsaw, or fully remote from Poland or the UK.

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 or any other European country without requiring visa sponsorship.

Founded in 2019 to fix startup funding gaps.