Salesfive

Full Stack Developer, AI Solutions

Salesfive

full-time

Posted on:

Location Type: Hybrid

Location: München • Germany

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About the role

  • Build and maintain internal web applications from concept to release
  • Develop LLM-powered features such as chat, assistants, automations, and knowledge search
  • Create and integrate MCP servers and related tools to connect models with internal systems
  • Integrate applications with external AI platforms and internal data sources
  • Design and implement APIs, services, and data pipelines to support AI functionality
  • Ensure solutions are secure, reliable, observable, and maintainable
  • Collaborate with business partners to turn unclear needs into production-ready software

Requirements

  • Strong full-stack development experience across frontend and backend
  • Hands-on experience building applications that integrate LLMs and retrieval-based systems
  • Solid understanding of LLMs and RAG, including interest in model behavior, prompting, context management, and technical trade-offs
  • Knowledge of MCP servers and common tool integration patterns
  • Ability to work autonomously and make sound decisions with limited guidance
  • Experience using AI-powered coding tools in day-to-day work
  • Experience with evaluation and quality practices for AI features
  • Knowledge of security, privacy, and security aspects of AI systems
  • Experience building internal platforms or productivity tools
Benefits
  • Work in a dynamic, international team with flat hierarchies and a team-oriented corporate culture where diversity and appreciation are truly lived
  • Long-term career prospects with a permanent employment contract
  • An attractive compensation model including a performance-based bonus
  • Hybrid working with flexible choice between home office and office
  • Comprehensive onboarding followed by an academy program and a personal buddy during the first months
  • A wide range of training and certification opportunities, including a dedicated professional development budget
  • Team events (Christmas party, Salesfive & Friends events, and much more)
  • A comprehensive package of attractive additional benefits such as bike leasing (Jobrad), Qualitrain, and lunch or commuting subsidies
  • Company pension scheme
  • A high level of personal responsibility
  • Diverse opportunities to actively contribute and bring in your own ideas
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
full-stack developmentLLM integrationAPI designdata pipelinesMCP serversAI-powered coding toolsevaluation practices for AIquality practices for AIsecurity aspects of AI systemsproductivity tools
Soft Skills
autonomous workdecision makingcollaboration