Work with us

Oxford Semantic Technologies (OST) is a rapidly growing deep tech start-up, spun out from the University of Oxford and backed by leading investors including Samsung Ventures and Oxford Science Enterprises. Our clients include some of the world’s largest companies.

We provide leading edge artificial intelligence software, capable of representing and using knowledge captured from human experts to draw new insights from big data. One of our founders is a winner of the BCS Lovelace Medal, awarded for significant contributions to advances in computer science.

Our users are applying this technology to help solve some of the biggest problems in business and society, such as assisting with medical diagnosis, combatting financial crime, autonomous vehicle safety, and the latest search and recommender systems.

We are looking for people who want to work in a fast pace and high growth start up environment, alongside some of the leading people in computer science, and share our vision to help every organisation harness the full power of their knowledge, expertise and data.

Why OST?

You’ll be working in a team producing some of the most advanced artificial intelligence software, based on cutting edge research from the University of Oxford.

Work alongside and learn from the leaders in the knowledge representation and reasoning field, knowledge engineering and computer science.

This is an opportunity to be involved at an early stage in our company’s history, to make a real impact with the work that you do, and not be just another cog in the machine.

What we offer

  • Competitive salary
  • Office located in Oxford City centre with flexible working
  • Competitive compensation and share options
  • Private healthcare with options for family cover
  • Generous personal pension contributions
  • Supportive colleagues with open feedback encouraged
  • Regular social events to enhance our one team ethos
  • OST is an equal opportunities employer and encourages diversity in our team
Oxford Semantic Technologies is an Oxford University Spinout, founded by three Professors.

OST Jobs

There are currently no open positions.


Oxford Semantic Technologies is a spin out of the University of Oxford and is backed by leading investors including:
Oxford Science Enterprises
Samsung Venture Investment
Oxford University Innovation