Senior Software Developer

2 weeks ago

London, Greater London, United Kingdom LMAX Group Full time

About the Role:

LMAX Group is a renowned leader in high-performance, ultra-low latency financial exchanges. Our core Java-based system is constantly being pushed forward, driving innovation in the financial industry.

Developers at LMAX Group are encouraged to continuously develop and learn new skills, with pair programming supporting knowledge growth and sharing of expertise. Regular team rotations ensure everyone gains hands-on experience across our codebase.

Friday afternoons are dedicated to personal development, allowing you to explore new coding languages, research cutting-edge technologies, or experiment with our environments. We also prioritize reducing technical debt and improving developer experience, led by developers themselves.

Our strong continuous integration and testing culture gives us confidence in our builds and enables rapid development. We run over 30,000 acceptance tests every 25 minutes, along with extensive test suites for performance, compatibility, migration, and resilience.

This approach allows us to ship only when our code is ready, giving us fast feedback across all aspects of our work. If you thrive in a cooperative culture with great developer practices, and want to be at the heart of a thriving exchange with opportunities to learn about the finance industry, LMAX Group is the perfect fit.

What to Expect:


•Collaborative office environment with constant pairing and social activities


•Work across the stack to solve problems, from performance-critical components to integrating new blockchain systems


•Regular opportunities to learn and develop yourself, including internal tech talks, conference travel, and dedicated time for personal development

What You'll Be Working With:


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


•Frontend: Javascript, Vue.js


•Deployment: Kubernetes, Nomad


•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 Group way is to use the right tool for the job, so this is just a taste of what you'll be working with.

Requirements:


•Be passionate about software development and strive for quality code


•Work in a dynamic environment with fast feedback


•Pair programming in small teams of developers and testers


•Share knowledge and learn from peers


•Work across various teams covering a range of technologies


•Write performant, reliable, and well-tested code

Benefits:

  • 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
  • Plumm Platform
  • Five volunteering days
  • Give as You Earn initiative
  • Learning and development programs
  • Electric Vehicle Scheme
  • Cycle to Work Scheme
  • Season Ticket Loan

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