[VKS] Senior Full-stack Integration Developer

Software Mind · Kraków, Lesser Poland Voivodeship, Poland

ExclusiveRemoteFull-timePublished Jul 1, 2026

Apply directly on Software Mind’s careers site — no account needed.

About the role

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 both backend and frontend components of the Aggregation Platform.
  • Build API-first integration solutions that enable seamless communication between game providers, operators, and game UIs.
  • Develop scalable, secure, and high-performance applications using Java and modern JavaScript technologies.
  • Contribute to the development of frontend integration components using TypeScript, Node.js, Webpack, and modern package management tools.
  • 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.
  • Work within Agile teams and contribute to technical decision-making throughout the development lifecycle.

Expectations – the experience you need

  • 6+ years of experience designing and implementing API-first solutions.
  • 6+ years of experience developing clean, secure, and high-performance Java applications.
  • 3+ years of hands-on experience with modern JavaScript technologies, including TypeScript, Node.js, Webpack, and modern package management tools (e.g. PNPM).
  • Experience building both backend and frontend components in a full-stack development environment.
  • Strong 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.

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

Skills

  • C#
  • .NET
  • JavaScript
  • SQL
  • REST

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