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- Tasks: Design and build ultra-low latency systems for high-frequency trading.
- Company: Join CMC Markets, a leader in financial technology.
- Benefits: Impact global trading, enjoy continuous learning and clear career progression.
- Why this job: Make a real difference in fast-paced trading environments with cutting-edge tech.
- Qualifications: Strong Java skills and experience in low latency financial systems required.
- Other info: Mentorship opportunities and a vibrant engineering culture await you.
The predicted salary is between 70000 - 90000 ÂŁ per year.
CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market‑making technology stack, where nanoseconds matter and engineering excellence is critical. You’ll design and build ultra‑low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance‑critical environments and want your work to have real market impact, we’d love to hear from you.
- Ultra‑Low Latency Engineering
- Develop and optimise high-performance Java (21+) systems for pricing, risk and trading.
- Build and enhance components within a low latency, high‑throughput trading architecture.
- Apply advanced concurrency, memory management and performance tuning techniques.
- System Design & Ownership
- Take responsibility for designing scalable, resilient and maintainable systems.
- Contribute to architectural decisions across the trading and risk platform.
- Build tooling to improve monitoring, maintenance and performance diagnostics.
- Trading‑Focused Collaboration
- Work closely with Quants, Financial Engineering, Front Office and Business Operations.
- Support live trading systems, troubleshooting time‑critical production issues.
- Contribute to the continuous evolution of our electronic trading infrastructure.
- Mentorship & Technical Leadership
- Provide guidance and mentorship to junior developers.
- Champion engineering best practices, clean code principles and robust design patterns.
What You’ll Bring
- Strong hands‑on Java development experience within low latency financial systems.
- Deep understanding of performance optimisation, concurrency and JVM internals.
- Experience working on pricing, risk or electronic trading platforms.
- Knowledge of FIX protocol, order routing and broker connectivity highly beneficial.
- Strong mathematical and problem‑solving mindset.
- Experience across asset classes such as FX, Equities, Commodities or Derivatives preferred.
- Ability to operate calmly in a fast‑paced, front‑office trading environment.
- Experience mentoring engineers and influencing technical direction.
- Minimum 2:1 degree in Computer Science, Mathematics, Physics or another numerate discipline.
Why Join CMC Markets?
- Direct impact on global trading and risk systems.
- Close proximity to the trading floor and real‑time market operations.
- High‑visibility role within a performance‑driven engineering culture.
- Strong focus on continuous learning and technical excellence.
- Clear progression opportunities into senior technical and leadership roles.
CMC Markets is an equal opportunities employer and positively encourages applications from suitably qualified and eligible candidates regardless of gender, sexual orientation, marital or civil partner status, gender reassignment, race, colour, nationality, ethnic or national origin, religion or belief, disability or age.
Senior Low Latency Java Developer in London employer: CMC Markets
Contact Detail:
CMC Markets Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Low Latency Java Developer in London
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, especially those at CMC Markets. A friendly chat can open doors and give you insights that a job description just can't.
✨Tip Number 2
Show off your skills! If you’ve got a portfolio or GitHub with projects related to low latency systems, make sure to highlight them. Real-world examples of your work can speak volumes.
✨Tip Number 3
Prepare for technical interviews by brushing up on your Java and performance optimisation techniques. Practice coding challenges that focus on concurrency and low latency scenarios to impress the interviewers.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining the team.
We think you need these skills to ace Senior Low Latency Java Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with low latency Java systems and any relevant projects. We want to see how your skills align with our needs, so don’t be shy about showcasing your achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re passionate about low latency engineering and how you can contribute to our team. Keep it concise but impactful – we love a good story!
Showcase Your Problem-Solving Skills: In the world of trading, quick thinking is key. Use your application to demonstrate your problem-solving mindset, especially in high-pressure situations. Share examples that highlight your ability to thrive in fast-paced environments.
Apply Through Our Website: We encourage you to apply directly through our website for the best chance of getting noticed. It’s the easiest way for us to keep track of your application and ensure it reaches the right people!
How to prepare for a job interview at CMC Markets
✨Know Your Java Inside Out
Make sure you brush up on your Java skills, especially the latest features in Java 21+. Be ready to discuss performance optimisation techniques and how you've applied them in past projects. They’ll want to see that you can handle low latency systems like a pro!
✨Understand the Trading Environment
Familiarise yourself with the trading landscape, including concepts like pricing, risk management, and the FIX protocol. Being able to speak the language of finance will show that you’re not just a techie but also understand the business side of things.
✨Showcase Your Problem-Solving Skills
Prepare to tackle some technical challenges during the interview. Think about past experiences where you solved complex problems under pressure, especially in a trading context. They’ll be looking for your ability to think on your feet!
✨Be Ready to Mentor
Since this role involves mentoring junior developers, be prepared to discuss your experience in guiding others. Share examples of how you've influenced technical direction and championed best practices in your previous roles.