We are seeking an experienced Senior Backend Developer to join our team. In this role, you will be responsible for shaping the future of training for frontline workers and expanding, scaling, and optimizing our product offering.100% remote or a modern workspace in BerlinA short onboarding workshop in Berlin (approximately 2 days)A modern culture of learning from mistakes and agilityStrong communication and well-thought-out structuresRegular events, after-work meet-ups, and training opportunities are a givenKey Responsibilities:Lead the Charge: You'll take ownership of the technical conception and implementation of our cutting-edge AWS infrastructure, crafting and evolving the services that power our innovative solutions.You'll ensure our systems run smoothly by providing continuous support through vigilant monitoring, swift debugging, and rigorous testing.Drive Innovation: You'll spearhead the automation and ongoing enhancement of our backend, pushing the boundaries of what's possible.Your primary focus will be on creating a scalable, serverless architecture that's ready to meet the challenges of tomorrow.The ideal candidate will have over 6 years of experience as a backend developer and a strong understanding of development with TypeScript in Node.JS Lambdas. They should also have experience with Infrastructure as Code and AWS Serverless Services.