Senior Full Stack Engineer - Voice

Senior Full Stack Engineer - Voice

DeepL

London, Berlin, Cologne or Munich

Your responsibilities

• Design and build full-stack features: You’ll own problems end-to-end, collaborating closely with product managers, designers, and other engineers to ship scalable, user-facing features with real impact
• Maintain and improve systems: You’ll take shared ownership of our existing systems, ensuring they stay performant, maintainable, and reliable as we grow
• Ensure code quality and clarity: You’ll participate in thoughtful code reviews, contribute to architectural decisions, and help raise the bar for engineering excellence across the team
• Collaborate cross-functionally: You’ll work closely with teammates across disciplines to ensure we’re solving the right problems and delivering real value to users
• Adapt and grow: You’ll stay curious and keep up with evolving tools and technologies—learning quickly and applying new skills when needed
• Participation in our on-call rotation: You’ll ensure the reliability and availability of our services by being available to join the team's shared on-call rotation as needed

Qualities we look for

• Strong product engineering mindset: You care deeply about solving real user problems and balance pragmatism with technical rigor when designing systems
• Full-stack fluency: You're comfortable working across the stack, even if your strengths lean more towards backend or frontend. You have solid foundations in system design, and you understand how to ship production systems
• Engineering foundations: You have strong software engineering skills—clean abstractions, robust data modeling, sound architectural decisions—and know how to make things scale
• Collaborative communicator: You’re a clear communicator, active listener, and team player. You thrive in a collaborative environment and welcome feedback
• Growth-oriented: You’re eager to learn, open to new challenges, and not afraid to work with unfamiliar languages or tools when the problem demands it