Senior Java Developer

Your new company 

Join a global technology leader that’s driving the future of sustainable living through smart home innovation. With a strong presence across Europe and a growing R&D hub in Katowice, this company is committed to developing intelligent, energy-efficient solutions that make a real impact. You’ll be part of a forward-thinking organization that values collaboration, creativity, and continuous improvement. 

Your new role 

• Building scalable microservices using modern frameworks such as Spring Boot or Quarkus
• Deploying and maintaining solutions in cloud environments, particularly Azure Kubernetes
• Automating operational workflows and contributing to CI/CD pipelines
• Collaborating with cross-functional teams to shape software architecture and drive innovation
• Participating in code reviews, testing, and optimization to ensure high-quality deliverables
• Contributing to the development of smart home technologies that support energy transition and sustainability

What you'll need to succeed 

• A university degree in Computer Science, Software Engineering, or a related field
• At least 5 years of professional experience in Java development
• Strong knowledge of microservices architecture and frameworks like Spring Boot or Quarkus
• Experience with cloud platforms (preferably Azure) and container orchestration using Kubernetes
• Familiarity with CI/CD tools and DevOps practices
• Bonus points for experience with IoT platforms, Kafka, MongoDB, or GitOps methodologies
• A proactive mindset, strong communication skills, and the ability to work effectively in agile teams
• Fluency in English (spoken and written); knowledge of Polish or German is a plus

What you'll get in return 

• A hybrid work model with flexible hours and additional paid time off
• Private medical care and access to a multi-sport card
• A structured onboarding process with dedicated tools and support
• Continuous learning opportunities through workshops, seminars, and e-learning platforms
• A chance to contribute to meaningful projects that improve lives and protect the planet
• A culture that values sustainability, innovation, and personal development

What you need to do now 

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.