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Junior Java Developer

Hybrid in Poland: Gdańsk, & 2 others
Java& 8 others
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Are you ready to launch your software engineering career on a project that powers some of the world's most critical infrastructure? We're looking for a Junior Java Developer to join a passionate, international team building systems essential to the operation of large-scale Data Centers — from constructing new facilities and designing racks, to hardware demand planning, logistics, and ongoing maintenance.

Our client is a global technology leader operating at a massive scale, where reliability, performance, and innovation are at the heart of everything they do. You'll be joining a team of world-class engineers and architects to build a scalable, high-performance platform that empowers external customers to create the next generation of applications and solutions.

This is a fantastic opportunity to grow as an engineer in a modern, self-governing team culture that values transparency, autonomy, and continuous learning.

Ready to launch your career in cloud engineering? Apply now and join our global team!

This role offers a hybrid model, with 3 days per week spent working from the client's office in Kraków, Gdańsk, or Wrocław in Poland.

Responsibilities
  • Develop new features and refine existing code to make it cleaner, more readable, and more efficient
  • Contribute to the full development lifecycle — from analysis and design through implementation, testing, and ongoing support
  • Communicate directly with the client on a daily basis, building strong stakeholder relationships
  • Collaborate with experienced engineers and architects on a scalable, high-performance platform
  • Continuously learn the project domain and explore new technologies
  • Take ownership of your tasks and deliver high-quality solutions on time
Requirements
  • 1+ years of experience developing and integrating software through the full system implementation lifecycle (analyze, design, implement, build, test, support)
  • 1+ years of hands-on experience with Java
  • Solid knowledge of JUnit, Mockito, and SQL
  • Strong self-management and prioritization skills
  • A proactive, self-starter mindset with a focus on quality and timely delivery
  • Excellent English communication skills and confidence in client-facing interactions (you'll be speaking with stakeholders directly!)
Nice to have
  • Experience with Google Cloud Platform (GCP)
  • Familiarity with TypeScript
  • Knowledge of Guice and Protocol Buffers