Full Stack Software Engineer

About the role

As a Full Stack Software Engineer, you will build and maintain systems that impact physical operations, ranging from warehouse automation to customer-facing smart fridges. You will take ownership of web applications, backend APIs, and Android-based point-of-sale systems while collaborating directly with operations teams to solve real-world problems. This role requires a proactive engineer who can manage production deployments, debug live issues, and translate complex requirements into reliable software solutions.

Responsibilities

• Take ownership of warehouse and supplier web apps used for inbound processing, picking, labeling, and inventory.
• Develop and maintain the internal back-office tool, including the backend and GraphQL API.
• Manage the service connecting automated picking lanes to the system to ensure uninterrupted warehouse operations.
• Maintain and update the Point of Sale Android app and manage the release process for the fleet.
• Integrate and support payment systems, ERP, and other partner integrations.
• Participate in the on-call rotation to debug live issues.
• Visit the warehouse on-site to test changes and gather user feedback.
• Own production deployments, managing logs, alerts, and rollouts.

Required skills

• Backend development
• Frontend development
• GraphQL
• Android
• Kotlin
• TypeScript
• C#
• Java
• Go

Nice to have

• Hardware
• IoT
• Edge devices
• Payments
• Logistics
• Retail operations
• Odoo
• German
• French

Qualifications

• Valid work permit or Swiss passport

Benefits

• Delicious food
• Barista coffee and tea
• 5 weeks holiday
• Work from anywhere weeks
• Pension fund
• Paid parental leave
• Childcare financial contribution
• Public transport travelcard coverage
• Team events
• Weekly sports sessions

About the Company

FELFEL is a family business founded in 2013 that provides smart fridges and barista coffee to workplaces across Switzerland. With 150 employees, they help employers provide fresh food and drinks to their staff at approximately 1000 locations.