Software Development Expert

4 weeks ago

London, Greater London, United Kingdom LMAX Group Full time

LMAX Group is a leader in high-performance software development, renowned for its ultra-low latency exchange written in core Java. Our team constantly pushes technology further, driving the financial industry in new directions.

We encourage developers to constantly develop and learn new skills, with pair programming supporting continual growth of knowledge and sharing of expertise. Regular team rotations ensure everyone gains first-hand knowledge on all areas of our codebase. Friday afternoons are set aside for personal development, where you can explore a different coding language, research bleeding-edge technologies, or play around with one of our environments.

Our continuous integration and testing culture allows us to have confidence in our builds and develop quickly. We have over 30,000 acceptance tests running every 25 minutes in our CI, alongside extensive test suites (performance, compatibility, migration, resilience). Continuous Delivery was pioneered at LMAX, and we continue to innovate in this area.

If you want to work with great developer practices like fast feedback across all aspects of your work, a cooperative culture, and only shipping things when they're ready, while being at the heart of a thriving exchange with opportunities to learn about the finance industry, then LMAX Group is for you.

What you can expect:


Collaborative office environment with constant pairing and plenty of social activities


Work across the stack to solve a problem – You might be working with a performance-critical component, integrating a new blockchain, or designing a greenfield cloud-based system


Regular opportunities to learn and develop yourself with internal tech talks, ability to travel to conferences, and dedicated time for your personal development

What you'll be working with:


Backend: Distributed, event-driven core Java (90% of the codebase), MySQL, Kafka


Data analytics: Python & Jupyter notebooks, Parquet, Docker


Testing: JUnit, JMH, JCStress, Jenkins, Selenium, many in-house tools...


OS: Linux (Fedora for development, Rocky in production)

The LMAX way is to use the right tool for the job, so this is just a flavor of what you'll be working with, and isn't a list of requirements.

Requirements:


Be passionate about software development. Bad code offends you.


Work in a dynamic environment enabled by fast feedback; the heart of our ethos.


Pair programming in small teams of developers and testers (who also write code).


Share knowledge and learn from like-minded peers.


Work across a variety of teams covering a wide range of technologies.


Write performant, reliable, and well-tested code – shipping only when it's ready.

  • 25 days of holiday
  • Bonus
  • Pension contribution
  • Private medical, dental, and vision coverage
  • Life assurance
  • Critical illness cover
  • Wellness contribution program with access to ClassPass

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