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Senior Backend Integration Developer (Java)

Backend Developer • Senior • Hybrid • Full-time Poland Kraków, Poland

Software Mind is hiring a Senior Backend Integration Developer for a gaming company's Aggregation Platform, building API-first, scalable integrations between game providers and operators within a responsible-gaming, player-protection system.

Responsibilities

  • Design, develop, and maintain backend services for the Aggregation Platform
  • Build and enhance API-first solutions that support scalable, high-performance, business-critical systems
  • Develop secure, maintainable, high-quality code following engineering best practices
  • Collaborate with cross-functional teams to design integration solutions and improve platform architecture
  • Contribute to CI/CD pipelines, deployment automation, and overall DevOps practices
  • Participate in architectural discussions, improving platform reliability, scalability, and performance
  • Support Agile development processes and contribute to technical decision-making

Requirements

  • 6+ years of backend software development experience with a strong focus on API-first solutions
  • 5+ years of experience building and maintaining high-availability, business-critical applications
  • Strong proficiency in Java, writing clean, secure, high-performance code
  • Hands-on experience with PostgreSQL and cloud platforms, preferably Google Cloud Platform (GCP)
  • Experience with DevOps practices: Continuous Integration, automated deployments, test automation
  • Experience working in Agile development environments
  • English proficiency at B2 level or higher

Nice to have

  • Experience with Enterprise Integration Patterns (EIP)
  • Experience designing scalable software architectures
  • Experience using AI-powered development tools to improve productivity and software quality

Soft skills

Cross-functional collaboration skillsActive participation in technical decision-making

What we offer

  • Flexible employment and remote work
  • International projects with leading global clients
  • International business trips
  • Non-corporate atmosphere
  • Internal and external training
  • Well-being initiatives

About the company

Software Mind is an international software development partner that builds solutions for global clients, including tech giants and unicorns, with cross-functional engineering teams.

Languages: Angol: B2 vagy magasabb szint

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