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diffblue

AI software developer

diffblue logo
21-100 employees
  • B2B
  • Artificial Intelligence
  • Enterprise
  • Deep Tech
  • Machine Learning
  • SaaS
City Centre, Oxford, UK

Company mission

To revolutionise how software is created through AI for code.

49% employee growth in 12 months

Our take

Java code runs billions of lines in today's productions, and because of this, companies need to be able to deliver top-quality software at a rapid pace. Unit tests help ensure that organisations' software has fewer defects as well as exposing bugs earlier, in turn improving the readability of the code.

Diffblue is the creator of the world's first AI-for-code solutions, which automates writing Java unit tests, helping software teams improve code quality, expand their test coverage and improve productivity.

Spun out of the University of Oxford following research into how to use AI to automatically write tests, Diffblue has raised significant venture funding, highlighting the excitement of the market at its solutions. Investors include IP Group, Oxford Science Enterprises, Goldman Sachs, and Oxford University, and it plans to use the funds to further expand operations and its business reach.

Kirsty headshot

Kirsty

Company Specialist at Welcome to the Jungle

Benefits

  • 8% pension contribution, generous holidays, and flexible working options
  • Free yoga and gym memberships, private medical and dental insurance
  • Bring your dog to work! (And join our Slack channel devoted to cat photos!)
  • An awesome office designed for work and fun, with free drinks and snacks
  • Help build a world-leading company providing truly innovative products
  • Employee stock options: benefit from the growth in value of the company that you help to create

Company values

  • Because we value customers, we are outward-looking: We constantly seek to understand buyers and users, so that we can start with their problems and build solutions.
  • Because we value import, we are empowering: We give employees the autonomy to decide the best thing to do within their areas of responsibility, and hold them accountable for timely results against OKRs.
  • Because we value speed, we are action-oriented: We balance planning and reacting, avoiding "analysis paralysis", and we take the simplest action that solves the problem, because speed matters.
  • Because we value empathy, we are respectful: We are open and honest and stay humble. We're all in this together and have different viewpoints - which we celebrate. None of us can do this alone, so we assume good intent and challenge respectfully when we see a problem or disagree.
  • Because we value communities, we give back: We recognize that building a software company is a team sport and our team can only thrive when it contributes to and learns from the wider communities of which it is a part.

Funding (last 2 of 4 rounds)

Oct 2024

$6.3m

EARLY VC

Nov 2022

$8m

EARLY VC

Total funding: $67.4m

Leadership

Matthew L

(CEO, not founder)

Over 25 years of experience in the software industry. Worked for Anaconda and VMWare, with a focus was on marketing products for customers.

Daniel Kroening

(Co-Founder & Chief Scientist)

A Professor of Computer Science at the University of Oxford with over 15 years of software-building experience. Is the primary author of the CBMC verification framework.

Peter Schrammel

(Co-Founder & CTO)

Assistant Professor of Computer Science at the University of Sussex and is an experienced software project leader with a professional history in program analysis.

Jobs (4)

All locations

Software Engineering