Full-Stack Engineer (Sr./Lead)

👩‍🎨 What You Will DoBuild and evolve reliable, performant, and scalable web applications that power key user experiencesTurn product and design ideas into high-quality, responsive, and interactive interfaces using modern web technologiesDesign and implement APIs, services, and functions in a cloud-native, serverless environmentContribute to shaping architecture and engineering practices that improve performance, stability, and developer experienceCollaborate closely with product, design, and other engineers to deliver end-to-end features with a strong sense of ownershipTroubleshoot issues, identify bottlenecks, and continuously refine systems for efficiency and maintainabilityMentor peers, share knowledge, and help elevate technical quality across the team🧑‍🎤 Who You AreMinimum 5 years of experience within engineeringBased in the Berlin area and open to hybrid work, with occasional in-person collaborationExperienced as a full-stack engineer working with TypeScript, React, AWS, and serverless architecturesStrong understanding of system design, performance optimization, and scalable architectureConfident in building and consuming REST and/or GraphQL APIsComfortable navigating across multiple domains — frontend, backend, infrastructure — with curiosity and adaptabilityFamiliar with modern database systems (NoSQL like DynamoDB, SQL like PostgreSQL, and caching layers like Redis)Passionate about simplicity, clean abstractions, and creating a great developer experiencePragmatic, collaborative, and motivated by solving real problems rather than chasing buzzwords🏄‍♂️ What to expect at ETERNOMake a real impact – Help us transform healthcare with bold, hands-on solutions for real challenges. Your contribution counts from day one – with responsibility, speed, and room for your own ideas.Work how it works for you – Enjoy flexible work from home anywhere in Germany and/or from our vibrant spaces in Berlin, Frankfurt, or Hamburg – with the option to work remotely internationally.Level up & grow – Join an ambitious team that challenges and supports you. Whether leadership or deep dive: develop both professionally and personally through regular feedback, open exchange, and language courses in German & English.Feel good, stay healthy – Access the ETERNO Spaces for quick doctor visits & health check-ups. For more movement in your day: lease a JobRad – tax-advantaged and eco-friendly.We’ve got you covered – Competitive salary, company pension with a 20% top-up, and a monthly budget for benefits like Urban Sports Club, vouchers, or public transport – plus attractive corporate benefits & our Refer-a-Friend bonus.Stay connected – Meet driven, inspiring people. Whether Monthly All-Hands, team offsites, or spontaneous office vibes – we celebrate success together and push each other as a team.🌈 What we want to highlightAt ETERNO, we promote equal opportunities and diversity. We are committed to creating a diverse and inclusive environment for every one of us. We reject any form of discrimination based on ethnicity, skin color, physical or mental disability, religion, marital status, age, national origin, ancestry, health status, pregnancy, gender, sexual orientation, gender identity, or any other personal characteristics.If you require any accommodations during the application process, please contact us in advance at hr@eterno.health. We are happy to support you.