Full-Stack Engineer (Sr./Lead)

👩‍🎨 What you will do

• Build and evolve reliable, performant, and scalable web applications that power key user experiences
• Turn product and design ideas into high-quality, responsive, and interactive interfaces using modern web technologies
• Design and implement APIs, services, and functions in a cloud-native, serverless environment
• Contribute to shaping architecture and engineering practices that improve performance, stability, and developer experience
• Collaborate closely with product, design, and other engineers to deliver end-to-end features with a strong sense of ownership
• Troubleshoot issues, identify bottlenecks, and continuously refine systems for efficiency and maintainability
• Mentor peers, share knowledge, and help elevate technical quality across the team

🧑‍🎤 Who you are

• Minimum 5 years of experience within engineering
• Based in the Berlin area and open to hybrid work, with occasional in-person collaboration
• Experienced as a full-stack engineer working with TypeScript, React, AWS, and serverless architectures
• Strong understanding of system design, performance optimization , and scalable architecture
• Confident in building and consuming REST and/or GraphQL APIs
• Comfortable navigating across multiple domains — frontend, backend, infrastructure — with curiosity and adaptability
• Familiar 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 experience
• Pragmatic, collaborative, and motivated by solving real problems rather than chasing buzzwords

🏄‍♂️ What to expect at ETERNO

• Make 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 highlight
At 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 [email protected]. We are happy to support you.

#LI-Hybrid