Junior Java Developer

Are you ready to kick-start your engineering career on a project that truly makes an impact? We're looking for aJunior 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