Senior Backend Engineer

Uncapped Ltd.; Warszawa; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Unlimited paid holiday

Personal growth fund

Macbook Pro

Job summary

Uncapped Ltd. in Poland offers a remote role with occasional office visits, building secure microservices for fintech systems using Java 21, Spring Boot/Cloud 3.3, GCP and Kubernetes.

You will own services end-to-end from design to deploy, improve code quality through automation, and stay ahead with modern practices in a meetings-light Kanban team while sharing insights and learning. We seek 8+ years of Java/Spring experience, English at C1, strong testing skills, and a team player who values

Qualifications

• 8+ years of Java/Spring experience.
• English at C1 level requirement.
• Strong testing expertise.
• Autonomous and team player mindset.

Responsibilities

• Build secure microservices for fintech systems.
• Own services end-to-end from design to deployment and monitoring.
• Improve code quality with automation and CI/CD pipelines.
• Stay ahead with cutting-edge tech and share insights.
• Work in a meetings-light, Kanban-driven team.

Tools

Java 21

Spring Boot/Cloud 3.3

GCP

Kubernetes

SQL/NoSQL

Job description

Remote role based in Poland with occassional visits to the 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.).

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.

Benefits

• Unlimited paid holiday
• Personal growth fund
• Macbook Pro

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