Senior Backend Java Developer

About

Superdevs connects top developers with fast-growing product-based companies. We currently have over 100Software Engineers across Poland working for tech pioneers in industries that include blockchain, cybersecurity, big data, and fintech. Interested in joining us and working in a great atmosphere while building cutting-edge products?

You will be fully integrated into our client’s remote engineering team developing a SaaS solution for emergency alerting and crisis management.

Responsibilities

• Design, develop, and maintain backend services using Java and Spring Boot
• Work with relational (PostgreSQL, MySQL) and NoSQL (MongoDB) databases
• Ensure performance, reliability, and scalability in high-availability environments
• Create and manage containerized deployments with Docker and Kubernetes
• Set up and maintain CI/CD pipelines using GitHub Actions
• Collaborate with product, frontend, and mobile teams to deliver end-to-end features
  
  

Our offer

• Competitive salary on B2B contract
• Fully remote position
• Real impact and independence at work
• Individual career path
• Work-life balance
• A non-corporate atmosphere where innovation, personal growth, and teamwork thrive
• 100+ smart, curious & ambitious engineers

What you bring

• 5+ years of experience in backend development
• Strong skills in Java and Spring Boot
• Experience with both SQL and document-based databases
• Practical knowledge of Docker and deploying containerized apps
• Familiarity with Kubernetes (production or staging)
• Experience with CI/CD workflows and version control tools (GitHub or similar)
• Focus on clean, testable, and maintainable code