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Junior Java Developer

Hybrid in Poland: Gdańsk, & 2 others
Java& 8 others
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Are you ready to kick-start your engineering career on a project that truly makes an impact? We're looking for a Junior Java Developer to join a talented, international team building mission-critical systems that power the backbone of modern 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 on a massive scale, where reliability, performance, and innovation are essential. You'll be contributing to a scalable, high-performance platform leveraged by external customers to build the next generation of applications and solutions — all while learning directly from world-class engineers and architects.

This is a fantastic opportunity to grow your skills in a modern, self-governing engineering culture that values transparency, autonomy, and continuous learning.

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

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

Responsibilities
  • Develop new features and refine existing code to make it more readable, efficient, and maintainable
  • Contribute to the full development lifecycle — from analysis and design through implementation, testing, and support
  • Collaborate directly with the client on a daily basis, building strong communication skills along the way
  • Work alongside experienced engineers and architects on a scalable, high-performance platform
  • Take ownership of your tasks, deliver on time, and grow into a confident, autonomous engineer
  • Continuously learn the project domain and adopt new technologies
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
  • Excellent English communication skills and confidence in client-facing interactions (you'll be talking to stakeholders directly!)
  • Strong self-management and prioritization skills
  • A proactive, self-starter mindset with a focus on quality and timely delivery
Nice to have
  • Experience with Google Cloud Platform (GCP)
  • Familiarity with TypeScript
  • Knowledge of Guice and Protocol Buffers