Wunder Mobility builds the software that powers shared mobility worldwide. Our platform runs 20M+ successful trips yearly, processing 50M+ daily API calls, across 500 cities in Europe, the US, and Asia. Operators like Forest (London), Green Mobility (Copenhagen), and Joco (NYC) rely on us every day to move cities forward.We’ve raised more than €100M, navigated restructuring, and are now profitable, focused, and scaling. Today, we’re investing in analytics and AI with clear monetization goals.We’re not building research demos — we’re building customer-ready AI features. This is your chance to apply the latest advances in LLMs and machine learning directly into Wunder’s mobility platform, where operators will use them daily to run their businesses more effectively. Note: this role is based in our office in Hamburg. You need to have valid authorization to work in Germany.<h2>Tasks</h2>The RoleAs Senior AI Engineer, you’ll be the hands-on builder turning AI concepts into reliable, production-grade features:<ul><li>Applied focus: You’ll integrate LLMs and ML models into a live SaaS platform used across 500 cities.</li><li>Product-first mindset: Work hand-in-hand with our Product Manager Data &amp; AI and data analyst to deliver features that operators adopt and pay for.</li><li>Engineering rigor: Design systems that are cost-efficient, secure, and scalable — avoiding “lab prototypes” that don’t hold up in production.</li><li>AI differentiation: Help us embed AI into Wunder’s platform in ways that create a real competitive advantage.</li></ul>What You’ll Do<ul><li>Ship AI-powered product features into production (conversational analytics and fleet operator tooling).</li><li>Integrate LLM APIs and open-source models (e.g. OpenAI, Anthropic, Hugging Face) into backend services.</li><li>Fine-tune and optimize models where needed for performance, cost, and domain relevance.</li><li>Build and maintain CI/CD pipelines for model deployment and integrate monitoring tools like LangSmith for evaluation and observability.</li><li>Collaborate with backend engineers (Java Spring Boot) and frontend developers (React/React Native) to deliver end-to-end solutions.</li><li>Establish best practices for monitoring and scaling AI features.</li></ul><h2>Requirements</h2>What You Bring<ul><li>5+ years of software engineering experience, with demonstrable expertise implementing LLM-based solutions</li><li>Deep hands-on skills in JavaScript/NodeJS and experience with AWS Bedrock, LangSmith, and LLM integration frameworks.</li><li>Experience shipping AI features into production SaaS environments — beyond prototypes.</li><li>Strong understanding of cloud infrastructure (AWS), model lifecycle management, and cost/performance trade-offs.</li><li>Familiarity with LLM integration, fine-tuning, and evaluation techniques.</li><li>Product-driven mindset: you care about solving real customer problems, not just model accuracy.</li><li>Ability to collaborate with product and business stakeholders and thrive in small, focused teams.</li></ul><h2>Benefits</h2>What You’ll Get<ul><li>Direct impact: Your features will be in the hands of operators powering millions of trips.</li><li>Applied AI work: Focus on turning research into usable, revenue-generating features.</li><li>Collaborative setup: Work with a dedicated PM and data analyst, not in isolation in one team.</li><li>Hybrid model: 3 days in our Hamburg office, 2 days remote.</li><li>25-day paid &amp; unlimited unpaid vacation: Take the time to rest and recharge!</li><li>30-day workation: Work from anywhere in the world once a year.</li><li>Future growth: Opportunity to shape Wunder’s AI engineering standards and mentor future hires.</li></ul>🚀 Ready to move beyond research and put AI into the hands of real customers? Apply now and help build Wunder’s next-generation AI products. Note: this role is based in our office in Hamburg. You need to have valid authorization to work in Germany.

Wunder Mobility is a marketplace and tech platform that allows start-ups, corporates, and cities to launch and scale mobility services efficiently. They are providing the full stack of new mobility services, from Carpool to Shuttle and Fleet products. Their products are used by 30+ clients and deployed in 50+ cities on four continents. It also develops and delivers a mobile carpooling application that allows people to fill the empty seats in their car by sharing a ride. The company OS helps you to deploy, scale, and create technology that connects communities with end to end mobility services. It supplies software, hardware, and operational services for various future-oriented mobility concepts. They are enabling communities on four continents to address the global traffic challenge and to deploy more sustainable mobility options faster by hosting a full-stack urban mobility tech platform. They are hosting the annual Wunder Mobility Summit, an annual invite-only event for the top 200 decision-makers in new mobility. Wunder Mobility was founded in January 2014 and is based in Hamburg, Germany.

Senior AI Engineer

About the Job

About the Company

Wunder Mobility

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