Senior Backend Engineer

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.

• Core:
  Java 21, Spring Boot/Cloud 3.3
• Infra: GCP, Kubernetes
• Databases: SQL/No
  
  SQL (picked per use case)

• 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

• Create a fintech solution chosen by 1000s of businesses
• Build a product you can help shape and have impact on
• Backed by top VCs (Lake Star, Seed Camp, etc.)

• 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

• 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.