Job Informationen Location: Niederbipp Workload: 80-100% Your tasks: Design and implement backend features and APIs (GraphQL/REST) with Node.js on AWS Lambda Build scalable data flows using DynamoDB, S3, CloudFront, and event-driven integrations Collaborate with frontend, design, and product teams to deliver end-to-end features Model and optimize data structures for concurrency, offline use, and scalability Ensure quality through automated testing, code reviews, and contributions to shared libraries Own the full lifecycle of backend services, including debugging, monitoring, and continuous improvement Your profile: Team-oriented developer who writes clean, efficient backend code Strong JavaScript/Node.js and serverless (preferably AWS Lambda; Azure nice to have). Database experience (ideally NoSQL/DynamoDB) and S3-based storage Skilled in GraphQL/REST API development and modern Git workflows. Experience with automated testing across unit, integration, and E2E levels a plus Curious, pragmatic mindset with good English skills (French/German a plus) Benötigte Skills * Deutsch * Englisch * Französisch * Azure * Testing * Monitoring * AWS * JavaScript * NoSQL * Node.js