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Back-end Developer

full-time Fractal Labs London

Fractal Labs is built on Blockchain, AI, Machine Learning and NLP technologies. Your goal as a Back-end specialist will be to deliver the systems and features for our products. You will work closely with designers, front-end, DevOps and QA in cross-functional SCRUM teams.

Handling information at scale requires us to gather ideas from every area of computer science, including:

  • Artificial intelligence
  • Machine learning
  • Natural language processing
  • Distributed computing.
  • RESTful APIs

As a core part of the team, you will need to be versatile, eager to tackle new problems, and comfortable defining new boundaries for data analytics. You will have the opportunity to work on some intriguing challenges with like-minded people.

Fractal Labs is a Low-Pressure / High-Performance company that values teamwork, trust, openness, initiative and innovation. We believe in a good work-life balance so that "Family comes first".

We are based in our the WeWork offices in Chancery Lane.


  • Experience with Java 8 or later is essential
  • Previous experience of working in an Agile / SCRUM environment is useful but not an absolute necessity.
  • Knowledge of AWS also highly beneficial

Experience with some of the following is important, but not essential.

  • Gradle
  • JUNIT, Mockito
  • Jetty, java servlets
  • HTTP/REST/Jersey
  • Middleware, especially Apache Thrfit
  • Apache Cassandra, MySQL
  • Ansible, Docker
  • CI/CD, Jenkins, GitLab
  • Ethereum
  • 25 days / year holiday
  • Employee share options
  • Usual working hours (9.00 - 18.00)
  • Core working hours are (11:00 - 15:00)
published: Aug. 10, 2018

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