[VKS] Senior Backend Integration Developer (Java)
Software Mind · Krakow, Lesser Poland Voivodeship, Poland
IT Services and IT Consulting · 1,001-5,000 employees
About the role
Design, develop, and maintain backend services for an Aggregation Platform to enable seamless integrations between game providers and operators. Collaborate with cross-functional teams to build scalable API-first solutions and improve platform architecture.
What they look for
Requirements
Requires over 6 years of backend development experience with a strong focus on Java, PostgreSQL, and cloud platforms like GCP. Candidates must be proficient in DevOps practices and Agile methodologies with at least B2 level English proficiency.
Benefits
Full description
Company Description
Software Mind develops solutions that make an impact for companies around the globe. Tech giants & unicorns, transformative projects, emerging technologies, and limitless opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we’re always on the lookout for talented people who bring passion and creativity to every project. Our culture embraces openness, acts with respect, shows grit & guts and combines employment with enjoyment.
Job Description
Project – the aim you’ll have
Our client is a gaming company established to reform the national gaming system. Operating under the principle of exclusivity, its mission is to provide games responsibly, mitigate gambling-related risks, and ensure player protection while preventing fraud.
The company offers a wide range of games divided into three main categories: Lucky Games, Casino Games, and Betting Games. It emphasizes operating responsibly and contributing to a safe and secure gaming environment.
Position – how you’ll contribute
- Design, develop, and maintain backend services for the Aggregation Platform, enabling seamless integrations between game providers and operators.
- Build and enhance API-first solutions that support scalable, high-performance, and business-critical systems.
- Develop secure, maintainable, and high-quality code while 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 and continuously improve platform reliability, scalability, and performance.
- Support Agile development processes and contribute to technical decision-making across the team.
Qualifications
Expectations – the experience you need
- 6+ years of experience in backend software development with a strong focus on API-first solutions.
- 5+ years of experience building and maintaining high-availability, business-critical applications.
- Strong proficiency in Java and experience developing clean, secure, and high-performance code.
- Hands-on experience with PostgreSQL and cloud platforms, preferably Google Cloud Platform (GCP).
- Experience with DevOps practices, including Continuous Integration (CI), automated deployments, and test automation.
- Experience working in Agile development environments.
- Strong communication skills with English proficiency at B2 level or higher.
Additional skills – the edge you have
- Experience with Enterprise Integration Patterns (EIP).
- Experience designing scalable software architectures.
- Experience using AI-powered development tools to improve productivity and software quality.
Additional Information
Position at: Software Mind Romania & Poland
Our offer – professional development, personal growth:
- Flexible employment and remote work  
- International projects with leading global clients 
- International business trips  
- Non-corporate atmosphere 
- Internal & external training 
- Well-being initiatives 
