Senior Java Engineer (Microservices Delivery)

Senior Java Engineer (Microservices Delivery)

Java

Kazimierza Brokla 2, Warszawa

KUBO

120 - 190 PLN
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
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