supervisor_account DeepL
language Remote from Germany
language +3
room Berlin, Germany
room +3
stars Senior
translate English

Senior Backend Engineer C++ (w/m/d) at DeepL


  • Senior engineer with several years of relevant software development experience
  • Strong proficiency in modern C++
  • Solid understanding of algorithmic complexity and common data structures
  • Experience of deploying software in Linux environments
  • Enjoy solving difficult problems efficiently and effectively
  • Curious to learn and to understand details, be it programming languages, libraries, tools or systems
  • Excellent communication skills in English, knowledge of German or any other languages is a plus
  • Experience working as both an individual contributor and collaborator

Ideally, you have one or more of the following qualifications

  • Experience in developing web services (HTTP, gRPC, asynchronous programming, ...)
  • In-depth knowledge of building and optimizing high-traffic web services for Linux
  • Knowledge of other programming languages (e.g. Python, Go)
  • Experience in deploying services to bare-metal Kubernetes clusters

Scope of Work

In order for the technology to be used by millions of users, we develop high-performance backend systems that process all language-related requests. For this we rely on RPC servers and load balancers written in C++. You will join a passionate team that values secure, maintainable, modern (C++ 23) and fast code. Architecture decisions are made by the whole team in open discussions.

Your responsibilities

  • Design, implement and test reliable, scalable, maintainable and efficient backend services for DeepL's products in C++
  • Contribute to monitoring and debugging the services in production, e.g. by defining expressive metrics and ensuring informative logs
  • Work with your team to optimize our services, e.g. by solving interesting algorithmic challenges or by improving the architecture


  • Interesting and challenging software development work on a product that is already used by over 100 million people
  • Code reviews and a focus on high quality
  • Meaningful work at scale: We break down language barriers worldwide and bring different cultures closer together
  • Experience the excitement of a rapidly growing scale-up! Over the last year we doubled in size, hiring new colleagues across UK, Germany, Poland, NL and Japan
  • We’ve got your back! We are an experienced, highly committed team with transparent decision-making processes. We cherish collaboration and efficiency, but trust, empathy, inclusivity and an overall ‘human-first’ approach are just as important to us
  • Flexible Work Arrangements: with office hubs in Cologne, Berlin, London, and Amsterdam, you choose where and how you work. We offer fully remote work from UK/DE/NL/PL, no strings attached – DeepL is a remote-positive company now and forever
  • State of the art equipment for your workplace
  • Regular innovative team-building events- internationally!

Applicant Location Requirements

in  Berlin or Cologne (Germany)Amsterdam (Netherlands)London (United Kingdom).
from within Germany, Netherlands, Poland or United Kingdom.

About DeepL

Helping people overcome communication barriers is the heart of what we do. Founded in Germany in 2017 by a team of engineers and researchers, DeepL has developed the world’s most accurate AI translation technology—enabling real-time, human-sounding translation.

Accessible via a web translator, browser extensions, desktop and mobile apps, and an API, DeepL supports a best-in-class translation experience in 34 languages and counting. Our 550-person team operates across four European hubs in Germany, the Netherlands, the UK, and Poland.