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- Tasks: Design and optimise ultra-low latency Java components for crypto exchange connectivity.
- Company: Dynamic electronic trading firm at the forefront of crypto and financial markets.
- Benefits: Competitive salary, hands-on experience, and a collaborative team environment.
- Other info: Work in a flat structure with opportunities for real ownership and growth.
- Why this job: Join a small team and make a real impact on live trading systems.
- Qualifications: Strong Java skills and experience with low latency systems and FIX protocol.
The predicted salary is between 36000 - 60000 £ per year.
A specialist electronic trading firm is seeking a Java Low Latency Connectivity Developer to join a highly technical, performance-driven engineering team. The business operates automated trading strategies across both traditional financial markets and crypto venues. Technology is central to performance, and connectivity to exchanges is a core competitive edge. This is a hands-on role within a small, experienced team where engineers work directly on systems that impact live trading outcomes.
The Role
You will be responsible for designing, building and optimising exchange connectivity across multiple venues, with a strong focus on crypto markets. Key responsibilities include:
- Developing ultra-low latency Java components
- Managing FIX protocol sessions and order flow
- Integrating and optimising crypto exchange APIs using REST and WebSocket
- Handling real-time JSON market data feeds
- Improving performance and reducing latency across exchange connections
- Supporting and enhancing live trading systems
Each exchange has its own architecture, API behaviour and performance characteristics. You will play a key role in ensuring reliable, high-performance connectivity across them.
What We Are Looking For
- Strong core Java expertise
- Experience in low latency or performance-critical systems
- Solid understanding of FIX protocol (session and application layers)
- Direct experience connecting to trading venues or exchanges
- Hands-on experience integrating with crypto exchanges
- Strong understanding of REST and WebSocket APIs in real-time environments
- Experience working in Linux-based production systems
- Exposure to high-performance libraries such as Aeron, Agrona, SBE or Artio is advantageous.
The Environment
- Small, collaborative engineering team
- Flat structure with real ownership
- Office-based in Victoria, London (4 days per week)
- 24/7 automated trading systems
- Occasional out-of-hours support rotation
This role is well suited to engineers who enjoy working close to the market, solving hard performance problems, and taking responsibility for exchange connectivity in a fast-moving environment.
Java Low Latency Connectivity Engineer in City of London employer: Avanti Recruitment
Contact Detail:
Avanti Recruitment Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Java Low Latency Connectivity Engineer in City of London
✨Tip Number 1
Network like a pro! Attend industry meetups or tech events related to trading and connectivity. You never know who you might bump into that could help you land that Java Low Latency Connectivity Engineer role.
✨Tip Number 2
Show off your skills! If you’ve got a GitHub or personal project showcasing your low latency Java components, make sure to highlight it during interviews. It’s a great way to demonstrate your hands-on experience with performance-critical systems.
✨Tip Number 3
Prepare for technical interviews by brushing up on FIX protocol and real-time APIs. Practice coding challenges that focus on optimising performance and reducing latency. We want you to be ready to impress!
✨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, we love seeing candidates who are proactive about their job search.
We think you need these skills to ace Java Low Latency Connectivity Engineer in City of London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your core Java expertise and experience with low latency systems. We want to see how your skills align with the role, so don’t be shy about showcasing relevant projects or achievements!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about connectivity in trading systems and how your background makes you a perfect fit for our team. Keep it concise but impactful!
Showcase Your Technical Skills: When filling out your application, be specific about your experience with FIX protocol, REST, and WebSocket APIs. We love seeing hands-on experience, especially with crypto exchanges, so make sure to highlight that!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen on joining our team!
How to prepare for a job interview at Avanti Recruitment
✨Know Your Java Inside Out
Make sure you brush up on your core Java skills, especially around low latency and performance-critical systems. Be ready to discuss specific projects where you've optimised Java components or improved system performance.
✨Understand FIX Protocol Like a Pro
Since the role involves managing FIX protocol sessions, it’s crucial to have a solid grasp of both session and application layers. Prepare to explain how you've worked with FIX in past roles and any challenges you faced.
✨Familiarise Yourself with Crypto Exchange APIs
Get comfortable with integrating and optimising crypto exchange APIs using REST and WebSocket. You might be asked about your experience with real-time JSON market data feeds, so have some examples ready.
✨Show Your Problem-Solving Skills
This role is all about solving hard performance problems. Think of specific instances where you’ve tackled latency issues or improved connectivity. Be prepared to discuss your thought process and the impact of your solutions.