Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Design and develop low-latency trading systems for market data and execution.
- Company: Leading global digital assets and trading technology business.
- Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
- Other info: Collaborate with traders and engineers on critical performance initiatives.
- Why this job: Join a fast-paced environment and make an impact in the crypto trading space.
- Qualifications: Strong Java skills and experience in low-latency trading systems.
The predicted salary is between 70000 - 90000 £ per year.
A leading global digital assets and trading technology business is looking to hire a Senior Trading Systems Developer to help build and optimise high-performance trading infrastructure supporting market making, OTC, systematic trading, and electronic execution environments.
This role sits at the intersection of low-latency software engineering and infrastructure optimisation, focused on maximising throughput, minimising latency, and delivering deterministic performance across critical trading workflows.
The Role
- Design and develop low-latency trading systems supporting market data, execution, and order routing
- Build high-performance distributed systems used across trading and liquidity platforms
- Optimise application, operating system, network, and hardware-level performance
- Work across real-time messaging, exchange connectivity, and execution infrastructure
- Partner closely with traders, engineers, and infrastructure teams on performance-critical initiatives
- Troubleshoot production trading issues and drive system reliability improvements
- Contribute to architecture decisions across multiple trading businesses
Requirements
- Strong core Java engineering background
- Deep understanding of concurrency and multithreaded programming
- Experience building low-latency trading or pricing systems
- Strong JVM and garbage collection optimisation experience
- Knowledge of high-performance messaging technologies such as Aeron or 29West
- Strong networking fundamentals including TCP/UDP, multicast, routing, and switching
- Experience with kernel bypass technologies such as DPDK, Solarflare/OpenOnload, or RDMA
- Strong Linux systems knowledge including scheduling, memory management, and performance tuning
- Experience within electronic trading, market making, HFT, systematic trading, FX, or crypto environments
Nice to Have
- eFX or ultra-low latency pricing systems experience
- FIX or SBE protocol knowledge
- Distributed systems and fault-tolerant architecture experience
- Docker, Kubernetes, or AWS exposure
- Crypto or digital assets experience
The Environment
- High-performance engineering culture
- Greenfield and business-critical trading infrastructure projects
- Direct interaction with trading and quantitative teams
- Modern distributed systems environment
- Strong ownership and autonomy
- Fast-paced global trading business operating across digital assets and institutional markets
Contact Ciara Clarke at Harrington Starr for a confidential discussion on this role.
Electronic Trading Developer in City of London employer: Harrington Starr
Contact Detail:
Harrington Starr Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Electronic Trading Developer in City of London
✨Tip Number 1
Network like a pro! Attend industry meetups, conferences, or online webinars related to electronic trading and low-latency systems. Engaging with professionals in the field can open doors and lead to job opportunities that aren't even advertised.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving low-latency trading systems or high-performance applications. This gives potential employers a tangible sense of what you can bring to the table.
✨Tip Number 3
Prepare for technical interviews by brushing up on core Java, concurrency, and multithreading concepts. Practise coding challenges that focus on low-latency systems to demonstrate your expertise during interviews.
✨Tip Number 4
Don't forget to apply through our website! We have a range of exciting roles in electronic trading and technology. By applying directly, you can ensure your application gets the attention it deserves from our hiring team.
We think you need these skills to ace Electronic Trading Developer in City of London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your core Java engineering skills and experience with low-latency trading systems. We want to see how your background aligns with the role, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about electronic trading and how your skills can contribute to our high-performance engineering culture. Keep it concise but impactful!
Showcase Your Technical Skills: When filling out your application, be specific about your experience with concurrency, multithreading, and any messaging technologies like Aeron. We love seeing candidates who can demonstrate their technical prowess clearly.
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 Harrington Starr
✨Know Your Tech Inside Out
Make sure you brush up on your core Java skills and understand concurrency and multithreaded programming. Be ready to discuss specific projects where you've built low-latency trading systems, as this will show your hands-on experience.
✨Showcase Your Problem-Solving Skills
Prepare to talk about how you've tackled production trading issues in the past. Think of examples where you improved system reliability or optimised performance, as this will demonstrate your ability to handle real-time challenges.
✨Familiarise Yourself with the Environment
Get to grips with high-performance messaging technologies like Aeron or 29West, and be ready to discuss your knowledge of networking fundamentals. This will help you connect with the technical team and show that you're a good fit for their environment.
✨Engage with the Team
Since this role involves partnering closely with traders and engineers, prepare some thoughtful questions about their current projects and challenges. This shows your interest in collaboration and helps you understand how you can contribute effectively.