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Sport Alliance GmbH is hiring a Full-Stack Engineer - AI Platform (m/f/d)

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Remote (Poland)
Posted a day ago
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Job Description

Join our high-velocity AI Speedboat team as a Full-Stack Engineer! We build AI-native products transforming fitness businesses across Europe, the US, and the UK. You’ll own end-to-end AI solutions—from backend services to user-facing interfaces—in a small, autonomous team shipping real products to real customers.


Salary range: 22,000 - 26,000 PLN net + VAT B2B

Your position in our team
  • Backend (Java)
  • Build and maintain Java services powering our AI platform, APIs, data pipelines, and ERP integrations
  • Develop LLM orchestration, context management, and conversation state handling for our Nexus agent
  • Implement authentication, rate limiting, cost optimization, and observability tooling

  • Frontend (React / TypeScript)
  • Build chat widgets, dashboards, and self-service tools for the AI agent
  • Integrate AI features into Magicline interfaces for a seamless user experience
  • Enable analytics, workflow builders, audience segmentation, and campaign tools

    • Your profile
  • 5+ years building production web apps with strong backend (Java/Spring Boot) and frontend (React/TypeScript) skills
  • Experience with real-time interfaces (WebSockets, SSE, polling) and modern state management (MobX, Redux)
  • Comfortable with web fundamentals: HTTP, REST APIs, responsive design, and component libraries (MUI or similar)
  • Skilled at writing automated tests and maintaining high code quality
  • Strong collaboration skills; you thrive in cross-functional teams
  • Fluent English (C1); German is a plus

  • Nice to have
  • Exposure to AI/ML products, chat interfaces, or data visualization libraries (D3, Recharts)
  • Knowledge of accessibility standards (WCAG), internationalization, B2B SaaS, ERP, or CRM
  • Understanding of prompt engineering, agent frameworks, or AI observability

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    Salary Information

    Salary: $100,000 - $120,000

    🤖 This salary estimate is calculated by AI based on the job title, location, company, and market data. Use this as a guide for salary expectations or negotiations. The actual salary may vary based on your experience, qualifications, and company policies.

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