Full Stack Software Engineer in Zürich

Are you a versatile problem-solver who wants to write software that impacts the physical world? As a Full Stack Software Engineer (100%) in Zurich, you will be at the core of our operations, building systems that touch everything from warehouse automation to customer-facing smart fridges.

YOUR RESPONSIBILITIES

• Take ownership of warehouse and supplier web apps used daily for inbound processing, picking, labeling, and inventory.
• Develop and maintain our internal back-office tool, including the backend and GraphQL API that runs menus, deliveries, inventory, and customer sites.
• Manage the service connecting automated picking lanes to the rest of the system to ensure uninterrupted warehouse operations.
• Maintain and update the Point of Sale Android app running on hundreds of fridges, managing the release process for the entire fleet.
• Integrate and support payment systems (Card, TWINT), our ERP, and other partner integrations.
• Participate in the on-call rotation to debug live issues directly alongside the operations team.
• Visit the warehouse on-site to test changes and gather feedback from the people actually using the software.
• Translate vague problems from non-technical colleagues into shipped solutions without needing them broken down first.
• Own production deployments, managing logs, alerts, and careful rollouts with clear rollback plans.
• Break down larger features, review other engineers' pull requests, and proactively maintain system health through upgrades, testing, and cleanup.

YOUR PROFILE

• Proven production experience in at least one typed backend language (such as C#, Java, Kotlin, Go, or TypeScript) and one modern frontend framework.
• Track record of successfully owning software in production, including on-call duties, debugging from logs, and resolving live issues while users wait.
• Familiarity with or willingness to dive into C#, TypeScript, Android, and Kotlin.
• Prior exposure to hardware, IoT, edge devices, payments, logistics, retail operations, or Odoo environments is highly advantageous.
• Demonstrated ability to dive into unfamiliar tech stacks, learn quickly, and ship reliable code.
• Strong passion for collaborating directly with end-users, including warehouse and operations staff, rather than exclusively with other engineers.
• High degree of curiosity and a proactive mindset to take full ownership of problems from end to end.
• Fluent English communication skills (written and spoken); knowledge of German or French is a plus.
• Non-smoker - we don't want you to smell like cigarettes, neither at work nor at customer meetings. After all, FELFEL is about good food.
• Valid work permit or Swiss passport.

OUR BENEFITS

• Lots of delicious food, just a few steps away from your desk - we make your gastronomic dreams come true
• Best barista coffee and tea for the whole team, thanks to our innovative Gavetti coffee machine
• 5 weeks holiday per year, as well as the chance to buy an extra week of vacation
• Two full weeks of ‘work from anywhere’ per year to bring more variety to your work day
• We care about your future with an above-mandatory pension fund
• New parents get 16 or 3 weeks, respectively, of fully paid parental leave. We also support the return to work by making a generous financial contribution to childcare until the child reaches kindergarten age.
• We encourage our employees to use public transport by covering your half-fare travelcard
• Great team events, such as our well-known FELFEL Summer Outing
• Stay active and healthy with our weekly sports sessions

ABOUT US

FELFEL is all about good food and coffee in the workplace: we help Swiss employers become masters of hospitality.

With our smart fridge ‘FELFEL’ and delicious barista coffee ‘Gavetti’, we enable companies to provide their employees with first-class, ultra-fresh food and drinks throughout the day. Whether hearty and traditional, modern and vegan or high in protein - our weekly changing menu ensures that all employees always have something to be excited about ;).

FELFEL is a family business that was founded in 2013. Today, we take care of around 1000 locations in Switzerland, and have 150 employees across our offices in Lausanne, Zurich and New York.

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