Senior Java Backend Developer / Krakow

DCV Technologies Show all offers

Kraków

Expires Nov 13, 2026

5 days ago

In short

Senior Java Backend Developer sought in Kraków for hybrid role (3 days office). Requires 10+ years' experience in Core Java, Spring Boot, microservices, PostgreSQL/Oracle, Docker, Kubernetes, Azure, and Unix. Responsibilities include design, development, API building, and troubleshooting.

Keywords

Java Spring Boot Microservices SQL Docker Kubernetes Azure Unix

AI-written summary based on the listing content.

Senior Java Backend Developer

Location: Kraków, Poland Work Model: Hybrid — 3 days per week in the office

About the Role

We are looking for an experienced Senior Java Backend Developer to join a technology team in Kraków.

The ideal candidate will have 10+ years of professional experience in backend development, with strong expertise in Core Java, Spring Boot, and microservices architecture.

You will work on enterprise-scale applications, contributing to the design, development, and maintenance of scalable and reliable backend solutions within a modern technology environment.

Key Responsibilities

Design, develop, and maintain backend applications using Core Java and Spring Boot.
Build and enhance REST APIs and microservices.
Work with relational databases, including PostgreSQL and Oracle.
Develop and deploy containerized applications using Docker and Kubernetes.
Work with Azure cloud services and Unix-based environments.
Participate in technical design discussions and contribute to architectural decisions.
Troubleshoot issues and ensure application performance, stability, and maintainability.
Collaborate with cross-functional teams in an Agile environment.
Participate in code reviews and follow software development best practices.

Required Skills & Experience

10+ years of professional software development experience.
Strong knowledge of Core Java.
Hands-on experience with Spring Boot.
Solid experience developing microservices.
Experience with relational databases, particularly PostgreSQL and/or Oracle.
Experience with Docker and Kubernetes.
Practical experience with Microsoft Azure.
Experience working in Unix/Linux environments.
Strong problem-solving and analytical skills.
Good communication skills in English.

Nice to Have

Experience with Sybase databases.
Experience in enterprise-scale application development.
Familiarity with CI/CD pipelines and Agile/Scrum methodologies.

Ideal Candidate

A senior backend developer with strong Core Java and Spring Boot expertise, hands-on microservices experience, and practical knowledge of databases, containerization, Azure, and Unix environments.