NLP Software Engineer

  • Java Engineer
  • Permanent
  • First Floor, 60 Sloane Ave, Chelsea, London SW3 3DD, UK

We are a team on a mission, to put accessible and affordable healthcare in the hands of every person on earth. Our mission is bold and ambitious, and it’s one that’s shared by our team who shares our values, to dream big, build fast and be brilliant.

To achieve this, we’ve brought together one of the largest teams of scientists, clinicians, mathematicians and engineers to focus on combining the ever-growing computing power of machines, with the best medical expertise of humans, to create a comprehensive, immediate and personalized health service and make it universally available.

At Babylon our people aren’t just part of a team, they’re part of something bigger. We’re a vibrant community of creative thinkers and doers, forging the way for a new generation of healthcare. We’re only as good as our people. So, finding the best people is everything to us.

We serve millions, but we choose our people one at a time…

Summary of the role

We are looking for a motivated and creative engineer, who has experience in NLP, to join our AI team to support and release great products that incorporate cutting-edge natural language processing.

You will be working with our ML and NLP scientists and engineers to expand the capability of our information & relation extraction pipeline, and to incorporate the latest research ideas on disambiguation, coreference resolution, entity recognition, text summarisation and language generation.

You will help us build and support great products across Babylon through our NLP technology. Your efforts will contribute heavily to the core services that enable AI throughout Babylon, as well as shaping our vision of an intelligent virtual assistant for the medical domain, in order to make health care affordable and accessible for everyone.

Reporting to our machine learning lead, you will be part of a collaborative and growing AI team based in our central London office. You will be working alongside amazing scientists and engineers, and also interacting closely with experienced clinical staff to solve problems directly impacting our product and services. As a member of the ML/NLP team, you will have opportunities to interface with the other teams and learn about data science, ontologies, advanced ML methods and data engineering as well as specialising in the healthcare domain.

We have a team of brilliant people, all passionate about both healthcare and AI. We like people who are smart, creative and highly motivated to deliver the best possible service to the users of Babylon.


You will be responsible for developing, deploying, and maintaining our NLP micro-services and core libraries. You will also support our scientists on research projects, helping to bring prototype code to production.


A degree in Computer Science, NLP, or similar, or equivalent industry experience

Must have

  • At least 2 years of Python experience
  • Experience with at least one common NLP library: spaCy, NLTK, GATE, CoreNLP, gensim, et al.
  • Experience with Information Extraction
  • Experience with microservices

Nice to have

  • Experience with Deep Learning applied to NLP, for example through distributed representations (e.g. word2vec, fastText, et al.)
  • Demonstrable coding experience, e.g. through contribution to open-source tools and frameworks
  • Experience with clinical text and/or clinical ontologies
  • Experience with the development of user interfaces based on natural language
  • Experience with Python scientific stack: numpy, scipy, pandas, et al