Software Engineer (f/m/d)

AI SOFTWARE ENGINEER - INTERNSHIP (F/M/D)   About Us Manex AI is on a mission to enable autonomy for the world's leading organizations, currently building the production system for the era of autonomous manufacturing. With our Seed Round raised from Lightspeed and BlueYard and leading manufacturing enterprises relying on our systems, we are now scaling fast. For our world-class team, we are looking for exceptionally driven students who want real ownership early. Your Role You will build the software and AI applications that power autonomous manufacturing. You work on our platform "Kosmos" alongside our engineers, shipping features and AI-driven solutions that go straight into live production environments at industry leaders including BMW, Audi, BSH, Stellantis, Still, TDK Electronics, and Co. From your first week, you own pieces of real problems. You write code that goes into production, you see your work run inside real factories, and you learn exactly how technical decisions create measurable impact for some of the most demanding manufacturers in the world. For interns who deliver, this is the fastest path into a full-time engineering role. Your Responsibilities * Build software and AI application features within real customer projects * Work alongside senior engineers to troubleshoot, document, and ship solutions * Support the technical integration of our platform into customer environments * Turn concrete customer requirements into working technical solutions * Learn how production processes, IT infrastructure, and AI products come together Your Profile * Currently studying Computer Science, Information Systems, or similar, towards the end of your Bachelor's or the start of your Master's * Strong hands-on coding ability, proven through your own projects, ventures, or open-source work * An ownership mindset: you take initiative, move fast, and finish what you start * Ideally strong experience in Python, TypeScript and Docker * Fluent in English and ideally in German as well * Based in Munich or willing to relocate for the duration of the internship We appreciate your application even if you don't tick all the boxes. What We Offer * Real ownership from day one * A fast-track into a full-time role * Direct mentorship from senior engineers and direct access to founders * Hands-on experience onsite with real customers, real production systems, and frontier AI * A fast-paced environment backed by the world's best investors, with the world's leading organizations as customers Want to build real things at the edge of industrial AI? Apply now.

JOIN OUR TEAM As a Senior Software Engineer on our Web & API team, you will play a key role in shaping and evolving our e-commerce storefront. Working across the full stack, from React components and data integrations to AI-powered features, you will take ownership of complex features end-to-end, from specification and architecture through to delivery and monitoring. In close collaboration with Product and Design in an agile environment, you will combine a keen eye for performance with a drive to build experiences that delight millions of customers. Your curiosity for emerging technologies will help the team work smarter, ship faster, and continuously push the boundaries of what is possible. This position is permanent and based in Munich. WHAT YOU'LL DO * Design, build, and maintain features end-to-end across the storefront and mobile API, from specification through server-side data loading and UI to production release and maintenance * Build and extend integrations with our e-commerce, headless CMS, search, analytics, and experimentation platforms * Build AI-powered user-facing features, directing and reviewing AI coding agents in your own and the team's workflow while owning the correctness, security, and maintainability of everything that ships * Own the caching, rendering, and performance strategy for the storefront and mobile API * Partner with Product Managers and Designers to turn business goals into performant, high-quality user experiences * Champion code quality and reliability through testing, code reviews, and the conventions and context that keep the codebase healthy for both engineers and AI agents as it grows YOU COME WITH * Deep expertise in React, TypeScript, and modern frontend development, backed by strong software architecture skills and solid engineering principles * A sharp focus on performance across the stack, from frontend rendering to backend data fetching, including server-side rendering (ideally with React Router) and GraphQL * Strong specification and architecture judgment, turning ambiguous requests into precise, testable specs that teammates and coding agents build against, while making load-bearing technical decisions with confidence * Rigorous approach to code verification, designing the tests, evals, and checks that determine production readiness without relying on surface-level outputs * High standards for maintainability, resilience, security, and cost efficiency, reasoning through failure modes and remaining especially vigilant when reviewing AI-generated code * Proven fluency with Agentic AI, directing coding agents on well-scoped work, reviewing output with informed scepticism, owning the result, and leveraging AI to accelerate delivery and power user-facing features * A product-driven mindset that connects technical decisions to business impact and user experience, with prior experience in Product Engineering or Product Management considered a plus * Fluency in English with excellent written and verbal communication skills WHY WESTWING If you are looking for a place where ambition meets creativity, where ideas turn into impact fast, and where people are trusted to grow - you have found it. At Westwing, we’re building the Superbrand in Design with a team that’s shaping the future of beautiful home & living. Here is what you can look forward to: • A high-performance culture built on trust, feedback and collaboration • An inspiring, international environment that empowers you to think big, take ownership, and grow beyond your comfort zone • A flexible hybrid setup with ideally 3 office days per week - because strong connections and quick collaboration make great ideas happen • Professionally equipped workstation of your personal choice • 30 days of paid holiday to rest, recharge, and come back ready to create • A beautiful, centrally located, dog-friendly office with inspiring spaces, a sunny terrace, and good food - designed for moments that energise and connect • Exclusive discounts - 40% off Westwing Collection, 20% off third-party brands (each on non-reduced items), 10% Family & Friends discount, plus special-occasion vouchers • Wellbeing support through mental health resources, sports memberships, and preventive care • Sustainable mobility options with discounted public transport and JobRad - moving with purpose and care for the planet • Support for working parents, including our on-site Westwing Wichtel daycare and a partnership with multilingual provider Elly & Stoffl • One annual Social Impact Day to give back to a cause you care about - because being human is our true superpower • Team rituals that celebrate results and togetherness - from Summer & Winter Parties to Oktoberfest ABOUT US Westwing, Europe’s #1 in Beautiful Living e-commerce, is present in 20+ European countries and achieved a GMV (Gross Merchandise Volume) of EUR 507 million in 2025. As Europe’s premium one-stop destination for Design Lovers, it offers a unique brand experience with a carefully curated assortment of the Westwing Collection and 3rd party design brands. The integrated platform combines Shop, Daily Specials, Stores, the B2B Service (Westwing Business) and the Westwing Design Service. Westwing’s team works together on its shared purpose to “Excite people to create homes that unlock the full beauty of life”. Founded in 2011, Westwing is headquartered in Munich and went public on the Frankfurt Stock Exchange in October 2018. Our team is a diverse group of professionals aiming for high performance, working together at a fast pace in an inspiring, international and informal environment that enables you to grow your career while working with a brand and products our customers love. We’re made up of passionate people who are creative enough to disrupt the status quo, brave enough to fail and smart enough to win. So come, be part of the “wow, you work at Westwing?” crowd. Diversity is deeply rooted in our culture. Our mission doesn’t stop to inspire only your design choices, it continues to embrace an inclusive lifestyle filled with respect to everyone’s uniqueness, cultural differences and equal opportunity. DEPARTMENT Technology