Senior Java Engineer - Major Leagues of Trading Tech
Senior Java Engineer - High-Frequency, Low-Latency Trading
City of London | Hybrid (2 Days Office in the office and 3 days from home +More flex on offer ) | ULTRA HIGH BONUS
The Best Engineers. The Fastest Systems. The Most Demanding Traders.
NO SPONSORSHIP ON OFFER| NO B2C | NO REMOTE OR 3rd Party OFFSHORE PARTNERS
Welcome to the Major Leagues of Trading Tech
This is not a role for the average developer. This is high-stakes, high-performance, high-reward engineering at its finest.
We are building the fastest, most powerful trading systems on the planet-systems that operate at nanosecond speeds, executing billions in trades in milliseconds.
If your code isn't flawless, if you hesitate under pressure, or if you're not obsessed with performance, this isn't for you. But if you live for the challenge, if you want to work shoulder to shoulder with elite traders and engineers, and if you're ready to build ultra-low latency systems that move markets, read on.
Why You Want This Role
- Ultra-Low Latency - You'll optimise code that shaves microseconds off execution times.
-Massive Impact - Your work directly affects real-time trading performance & PnL.
-Elite Team - Work with some of the smartest engineers and traders in the industry.
-Cutting-Edge Tech - Java, Python, Rust, Netty, PostgreSQL, Kafka, AWS, Kubernetes.
-High Bonuses - Your success = your financial reward.
-Non-Banking Culture - Fast, agile, and zero bureaucracy-we move at lightning speed.
Your Mission
- Build and optimise ultra-low latency, high-performance trading applications in Java.
- Ensure every line of code is microsecond-optimised for extreme performance.
- Troubleshoot real-time issues in mission-critical trading systems.
-Work directly with traders to enhance execution strategies.
-Continuously refine and push the boundaries of high-frequency trading tech.
What You Need to Bring
- 5-10+ years of Java experience in HIGH-FREQUENCY, LOW-LATENCY trading (non-negotiable).
-A performance-obsessed mindset-your code must be the fastest in the room.
- Fluency in multi-threading, concurrency, and high-throughput messaging.
- Experience with event-driven architectures (Netty, Kafka, Redis, WebSockets, gRPC).
- Ability to think in nanoseconds, not milliseconds.
- Confidence to work with high-stakes, high-demand traders.
Bonus Points for
-Crypto trading experience or deep interest in digital assets.
-AI/ML applications in trading.
-Familiarity with Docker, Kubernetes, AWS
The Perks - Because You're the Best!
-Hybrid Working - 2 days in-office, 3 days from home. More flex on offer if needed, We want the best so willing to make an allowance if needed.
-HIGH BONUS - Your work makes money, and you'll see the rewards.
-Private Medical Insurance & Life Insurance - Top-tier coverage.
-25 Days Annual Leave + Bank Holidays - Because balance matters.
-Pension & Income Protection Insurance - We've got your future covered.
-Are You Ready to Build the Future of Trading?
Only the best engineers make it here. If you think you have what it takes, apply now.
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