Senior Machine Learning Engineer


United Kingdom / Germany
  • Job Type: Full-Time
  • Function: Data Science
  • Post Date: 02/14/2021
  • Website:
  • Company Address: , San Francisco, CA

About Rasa

Rasa is building the standard infrastructure layer for conversational AI

Job Description


We’re looking for a motivated machine learning engineer to join us at Rasa. The position offers the opportunity to have a huge impact at an early stage startup. 

As a Remote first company, we believe that the internet is where the work happens, an office is just somewhere you can connect to the internet. We believe that everyone can make a difference at Rasa no matter where they are based. We have 2 research groups, in Berlin, Germany and Edinburgh, UK, so if you would prefer to work on site you can join either of those locations.


We are looking for a senior machine learning engineer with experience in natural language processing who combines technical, communication, and analytical capabilities; who can architect and implement efficient algorithms in tensorflow; and who will have the opportunity to design and develop creative, compelling, and cutting-edge systems that support our mission.

We don’t draw a hard line between our research and engineering teams, we all work on the same stack and share work, knowledge, and tools. Your work will be used by thousands of developers all over the world, and you’ll spend time with our community to get inspiration and feedback. We’re not here to chase SotA on established benchmarks. To ship machine learning products that really help our community, you’ll need to develop new machine learning tools that help developers build great conversational software, and enable them to build things that they can’t currently. You'll have to come up with good architectural designs, quality code, and break an ambitious long-term vision down into milestones and issues. For example, you should feel comfortable refactoring this code to accommodate different types of attention.

We do fundamental research, and we ship commercial quality software that puts it to use. Because engineering is so close to research, you’ll quickly learn a lot about research practice and translating it into working systems. You can check out some of our projects on our research page.

Please keep in mind that we are describing the background we imagine would best fit the role. Even if you don’t meet all the requirements, yet you are confident that you are up for the task, we absolutely want to get to know you!


  • You take pride in teaching and learning from teammates, and enjoy constructive peer review in a respectful environment
  • You're comfortable being lean and fix problems without waiting for someone to tell you to
  • You can effectively communicate what you’re working on with non-technical team members—from marketing and business development to UX design
  • When someone presents the results of an experiment, you ask questions that cut to the heart of the matter.

Technical requirements

  • Experience in designing and building complex machine learning systems for natural language processing applications
  • Experience communicating technical material
  • Advanced knowledge in Python or another programming language and at least one machine learning framework
  • Ability to think ahead and anticipate technological challenges
  • You love using machine learning to solve tough problems, and have demonstrable experience doing so
  • You are comfortable with the mathematics behind machine learning


We’re a startup, so you’ll have to be comfortable rolling up your sleeves and doing whatever is required to support our mission. However, you can definitely expect to:

  • Take a research system from an initial prototype all the way to a merged PR in our open source libraries.
  • Architect, code & test backend services to support machine learning training, prediction and annotation. For example, by 
  • Improve the scalability & performance of machine learning systems for our enterprise customers which are handling high loads
  • Collaborate with machine learning researchers to hone their engineering skills and processes
  • Speak to the Rasa community (developers who use our libraries) to help prioritize our research roadmap, and assess the impact of the research we’ve shipped.
  • Work on our open source projects alongside our large contributor base and community
  • Work with driven people across all areas of the company—from marketing and business development to machine learning research and UX design—to create the tools to let all makers build AI assistants that everyone can use

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Disclaimer: Local Candidates Only
This company does NOT accept candidates from outside recruiting firms. Agency contacts are not welcome.