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September 1, 2026

Senior Full-stack Developer (.NET + Blazor)

Senior • Remote

Poznan, WP, Poland

Responsibilities

  • Develop new capabilities for the game Customer Support Tool.
  • Participate in the complete software development lifecycle, from conception to deployment.
  • Collaborate closely with Customer Support, game engineering, server foundation, and other departments to understand needs and ensure developed tools add value.
  • Maintain a high standard of quality for all deliverables.
  • Implement best practices for testing, code reviews, and documentation.
  • Apply full-stack development expertise to create robust, secure, and scalable server-side logic.
  • Use C# and related frameworks to build efficient backend services and APIs that power web tools and applications.

Requirements

  • 5+ years of experience in C# web development, focused on building web tools and applications.
  • Strong Blazor background with production experience, including real-time communication using SignalR, WebSockets, and gRPC services.
  • Knowledge of caching strategies using Redis, Memory Cache, or similar.
  • Experience with unit, integration, and end-to-end testing, with familiarity with code-quality tools.
  • Familiarity with software development methodologies and lifecycle.
  • Proven ability to collaborate effectively with teams across a broad range of disciplines.
  • Passion for creating web tools that enhance productivity and efficiency.

Nice to have

  • Familiarity with mobile game development for Android and iOS platforms.
  • Knowledge of web performance optimization techniques.
  • Experience with AWS.

We offer

  • Top tech minds driving innovation in AI, cloud, and digital platform modernization.
  • Supportive team and agile, startup-like culture.
  • Hybrid-by-design work mode and opportunity to work remotely within Poland.
  • Chance to work abroad for up to 60 days annually.
  • Business-driven relocation opportunities.

Growth opportunities

  • Career development programs.
  • Thought leadership, mentoring, soft-skills, and well-being programs.
  • Certifications: Anthropic, Gemini, GCP, Azure, and AWS.
  • English classes.

Compensation and benefits

  • Stable pay.
  • Participation in the Employee Stock Purchase Plan with a 15% discount.
  • Benefits package, including health insurance, Multisport, and shopping vouchers.
  • Referral bonuses up to $2,000.
  • Offices with entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more.
  • Corporate, social, and well-being events.

Please note

  • Listed benefits are available to employees only.
  • Contractors are welcome; terms of B2B cooperation agreements are agreed individually.
  • Only selected candidates will be contacted.

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