Java Developer

Senior • Hybrid

140 - 200 PLN

Krakow, Poland

📍 Location: Kraków (Hybrid – 6–8 days per month in the office)
📄 Contract Type: B2B / Employment Contract
🌍 International Environment

About the Role

We are looking for an experienced Java Developer to join a dynamic team delivering scalable, enterprise-grade solutions. You will be involved in designing, developing, and maintaining modern backend systems, contributing to architecture decisions, and building robust applications that support critical business processes.

This is an excellent opportunity for engineers who enjoy working with modern technologies, microservices, cloud-ready solutions, and high-performance distributed systems.

Responsibilities

Design, develop, and maintain scalable backend applications and microservices using Java technologies.
Build and enhance secure, reliable, and high-performing APIs.
Participate in system architecture and technical design discussions.
Develop high-quality, maintainable, and well-tested code.
Collaborate with cross-functional teams to deliver business-critical solutions.
Troubleshoot, analyze, and resolve application and production issues.
Perform code reviews and contribute to engineering best practices.
Support application performance, scalability, and reliability initiatives.
Participate in Agile ceremonies, including sprint planning, refinement, and retrospectives.
Contribute to CI/CD processes and DevOps practices.

Requirements

Commercial experience in software development using Java.
Strong knowledge of Java and Spring Boot.
Experience building RESTful APIs and microservice-based applications.
Good understanding of Spring Framework, Hibernate, and JPA.
Experience working with relational databases such as Oracle or PostgreSQL.
Familiarity with NoSQL databases is a plus.
Understanding of software design principles and application architecture.
Experience with Git and modern software development practices.
Familiarity with Docker and CI/CD tools.
Experience working in Agile environments (Scrum/Kanban).
Strong analytical and problem-solving skills.
Good communication skills and ability to work collaboratively within a team.

Nice to Have

Experience with cloud platforms such as AWS, Azure, or GCP.
Knowledge of Kubernetes and container orchestration.
Exposure to frontend technologies such as React, Angular, or JavaScript.
Experience with event-driven architectures and messaging systems.
Understanding of security best practices in software development.

What We Offer

Opportunity to work on modern, large-scale enterprise solutions.
Long-term projects in an international environment.
Flexible hybrid working model.
Exposure to modern technologies, cloud solutions, and microservices architecture.
Professional growth opportunities and access to technical challenges.
Collaborative culture focused on quality, innovation, and continuous improvement.
Employment contract or B2B cooperation model.

Antal Sp. z o.o.

Antal Sp. z o.o. is a leading company in the recruitment and HR consulting industry. Established in Poland in 1996, Antal has expanded its presence to 35 countries, demonstrating a strong international footprint. The company is renowned for its flexible and comprehensive approach to recruitment, having successfully built numerous careers over the years. Antal employs over 130 professional recruitment consultants who are not only effective recruiters but also skilled advisors specializing in specific sectors and positions. The company's mission revolves around providing high-quality recruitment services and HR advice, ensuring a seamless and effective hiring process for both candidates and employers.

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