Senior Java Engineer (Microservices Delivery)

Java

Kazimierza Brokla 2, Warszawa

KUBO

120 - 190PLN

Net per hour - B2B

Full-time

B2B

Senior

Remote

Tech stack

English

B2

Java

master

SQL

advanced

Git

junior

Docker

junior

Kubernetes

junior

Bitbucket

junior

Job description

Are you a Java expert who enjoys working hands-on with modern tech? Do you love building clean, scalable microservices and shipping production-ready code in a collaborative, agile environment?

Join KUBO as a consultant and support one of our fintech clients in transforming their platform — not just in theory, but in real code. You’ll work fully remotely from Poland, with a strong engineering team, modern tools, and ambitious goals.

Clean code, great tools, exciting projects — sound like your kind of job?

Key responsibilities

• Build and maintain backend microservices using modern Java (21+) and the Spring stack
• Contribute to platform evolution through scalable, clean, and testable code
• Collaborate with other developers, DevOps, and product teams in an Agile environment
• Write SQL queries and work closely with databases
• Participate in code reviews and continuous improvement of the development process
• Use container technologies (Docker, Kubernetes) to ensure smooth delivery and deployment

Ideal candidate profile

• 8+ years of experience in Java development (Spring Framework, Spring Boot)
• Comfortable working with microservices and modern architectural practices
• Strong SQL/database skills
• Experience with Docker and Kubernetes
• Familiar with Git, Bitbucket, and modern development workflows
• Comfortable working fully in English and as part of a remote team
• Curious, collaborative, and eager to write maintainable, production-ready code

Conditions

Location: Remote from Poland

Contract type: B2B

Duration: Until end of 2026 (possible extension)

Salary: Negotiable, depending on experience

Benefits: medical care, life insurance, trainings, Multisport card

Recruitment steps

• Call with a KUBO recruiter
• Interview with the client
• Offer & onboarding

Published: 09.08.2025

Office location