Java Full Stack Developer

Java

Java Full Stack Developer

Java
Kraków, Kraków

Billennium

Full-time
B2B
Senior
Hybrid

Job description

More about us

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!


About the Client

We are looking for an experienced Java Full Stack Developer with Angular who will join a long-term project for our client in banking and finance industry.


What will you do:

  • Develop software in alignment with project requirements and a multi‑year product roadmap.

  • Collaborate closely with the team to shape solutions that best meet user expectations.

  • Ensure high-quality deliverables through strong focus on requirements, test coverage, and code reviews.

  • Contribute to effort estimation, sprint planning, and ongoing progress reporting.

  • Maintain a proactive approach to identifying risks, issues, and improvements throughout the development lifecycle.

 

What we are looking for:

  • 5+ years of professional experience in Java Full Stack Developer position  

  • Strong expertise in either front‑end or back‑end development, plus at least 1 year of commercial experience with the secondary technology stack.

  • Proficiency with back‑end technologies such as: Java 8/17, Spring Boot, Swagger, IBM MQ, Feign, vavr, JUnit, Hibernate, Oracle PL/SQL, Liquibase, and Maven.

  • Experience with front‑end technologies including : Angular 15, nx, micro front‑ends, Jest, and NgRx.

  • Familiarity with CI/CD and DevOps tools (Bitbucket, Jenkins, Sonar, Kubernetes, ELK)

  • Strong teamwork skills and fluency in English.


The role is designed for a hybrid work model, with 1–2 days per week from the office in Kraków or Warsaw.


Perks and benefits:

  • Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.

  • Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.

  • Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.

  • Global collaboration - work with a diverse, international team.

  • Innovative environment - be part of a forward-thinking and growth-oriented workplace.

  • Engaging community – Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.

  • Team-building events including our company tradition (annual company event in Mazury).

  • A pleasant surprise to start your journey with us in the form of a welcome pack.


Recruitment process:

  • HR call

  • Technical Interview

  • Interview with the dedicated Client

  • Final decision/ Feedback


Sounds interesting?

Click "Apply" and have a chance to hear more!

Tech stack

    Polish

    C1

    English

    B2

    Java

    advanced

    Spring Boot

    advanced

    Angular

    advanced

    Kubernetes

    regular

    Maven

    regular

    Hibernate

    regular

Office location

Published: 19.12.2025

Java Full Stack Developer

Summary of the offer

Java Full Stack Developer

Kraków, Kraków
Billennium
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