Lead Java Developer | Low Latency Trading | London City
Lead Java Developer | Low Latency Trading | London City

Lead Java Developer | Low Latency Trading | London City

Full-Time 36000 - 60000 £ / year (est.) No home office possible
SGI

At a Glance

  • Tasks: Design and build high-performance Java applications for real-time systems in finance.
  • Company: Leading engineering consultancy tackling performance challenges in financial markets.
  • Benefits: Highly competitive salary, remote work flexibility, and comprehensive benefits package.
  • Why this job: Join a top-tier team solving complex engineering problems where every microsecond counts.
  • Qualifications: Proven experience in low-latency systems and strong Java development skills required.
  • Other info: Work primarily remotely with occasional visits to London City for collaboration.

The predicted salary is between 36000 - 60000 £ per year.

Our client is a specialist engineering consultancy known for solving some of the most demanding performance challenges across financial markets and technology. Their teams design, build, and optimise high-throughput, low-latency systems used by global institutions where reliability and speed are critical. They are now looking for exceptional Java Engineers with proven experience in building high-performance, low-latency systems.

This role involves working on complex, business-critical projects where every microsecond matters. You’ll join a highly technical team known for solving tough engineering challenges and delivering efficient, elegant solutions across banking, trading, and financial technology environments.

Location: Primarily Remote, with expectation to London City at least twice per week.

Package: Highly competitive base + benefits package

What You’ll Do:

  • Design, build, and maintain high-performance Java applications used in demanding real-time systems.
  • Develop and enhance testing and benchmarking frameworks to validate system performance.
  • Identify and eliminate bottlenecks through systematic performance analysis.
  • Contribute ideas and innovations to improve architecture and speed.
  • Quantify and document measurable performance improvements.

Requirements:

  • Degree-level education (or equivalent experience).
  • A strong and proven track record developing low-latency, high-throughput systems on JVM.
  • Understanding of JVM internals (GC, threading, concurrency, locking).
  • Commercial experience with high-performance Java systems.
  • Ability to communicate effectively with both technical and non-technical stakeholders.
  • Ability to work confidently across existing and greenfield projects.
  • Maintaining a high level of professionalism and precision.
  • Exposure to trading, banking or fintech environments is highly beneficial, particularly with front office trading.
  • Experience in a software consultancy or client-facing engineering role.

If you are interested in this Senior Low Latency Java Developer role, please apply directly to this advert with your updated CV.

Lead Java Developer | Low Latency Trading | London City employer: SGI

Our client is an exceptional employer, offering a dynamic work culture that fosters innovation and collaboration among highly skilled professionals in the heart of London City. With a focus on employee growth, they provide opportunities for continuous learning and development while working on cutting-edge projects that have a significant impact on the financial markets. The flexibility of primarily remote work, combined with a competitive benefits package, makes this an attractive opportunity for those seeking meaningful and rewarding employment in a fast-paced environment.
SGI

Contact Detail:

SGI Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Lead Java Developer | Low Latency Trading | London City

✨Tip Number 1

Network like a pro! Reach out to your connections in the finance and tech sectors. Attend meetups or webinars related to low-latency systems and Java development. You never know who might have a lead on that perfect job!

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving high-performance Java applications. This will give potential employers a taste of what you can do and set you apart from the crowd.

✨Tip Number 3

Prepare for technical interviews by brushing up on JVM internals and performance analysis techniques. Practice coding challenges that focus on low-latency systems. The more prepared you are, the more confident you'll feel during the interview!

✨Tip Number 4

Don’t forget to apply through our website! We’ve got loads of opportunities that match your skills. Plus, applying directly shows your enthusiasm and commitment to joining our team.

We think you need these skills to ace Lead Java Developer | Low Latency Trading | London City

Java
Low-Latency Systems
High-Throughput Systems
JVM Internals
Garbage Collection (GC)
Threading
Concurrency
Performance Analysis
Testing and Benchmarking Frameworks
Communication Skills
Problem-Solving Skills
Software Consultancy Experience
Client-Facing Engineering
Banking or Fintech Exposure

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with low-latency systems and Java development. We want to see how your skills match the role, so don’t be shy about showcasing your achievements!

Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re the perfect fit for this role and how your background aligns with our client's needs. Keep it concise but impactful.

Showcase Relevant Projects: If you've worked on any high-performance or low-latency projects, make sure to mention them. We love seeing real-world examples of your work that demonstrate your problem-solving skills and technical expertise.

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 this exciting opportunity. Don’t miss out!

How to prepare for a job interview at SGI

✨Know Your Java Inside Out

Make sure you brush up on your Java skills, especially around low-latency and high-throughput systems. Be ready to discuss JVM internals like garbage collection, threading, and concurrency, as these are crucial for the role.

✨Showcase Your Problem-Solving Skills

Prepare to share specific examples of how you've tackled performance challenges in past projects. Highlight any innovative solutions you've implemented that improved system speed or reliability, as this will resonate well with the interviewers.

✨Communicate Clearly and Confidently

Since you'll be working with both technical and non-technical stakeholders, practice explaining complex concepts in simple terms. This will demonstrate your ability to bridge the gap between different teams and ensure everyone is on the same page.

✨Research the Company and Its Challenges

Familiarise yourself with the company's work in financial markets and technology. Understanding their specific performance challenges will allow you to tailor your responses and show that you're genuinely interested in contributing to their success.

Lead Java Developer | Low Latency Trading | London City
SGI

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