Hybrid Full Stack Developer, AI Solutions

at Salesfive

• Job title: Full Stack Developer, AI Solutions
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Location requirements: Hybrid, Munchen, Germany

About the role

• Full Stack Developer building internal applications that utilize AI solutions for workflow optimization. Collaborating with teams to translate requirements into scalable software solutions.

Responsibilities

• 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