Senior Low-Latency Java Engineer

We are seeking an expert Senior Low-Latency Java Engineer to join our team.

Responsibilities

• Latency Optimization: Profile, analyze, and systematically eliminate long-tail latency spikes across the FX eTrading application pipeline.
• Zero-GC Engineering: Design, write, and refactor high-throughput core Java code utilizing zero-allocation and low-GC techniques.
• JVM Performance Tuning: Perform deep profiling and tuning of the JVM/JRE runtime, memory usage, thread scheduling, and execution paths.
• Framework Development: Build and maintain high-performance execution workflows utilizing specialized low-latency Java frameworks (e.g., Ambrosia) and telemetry stacks (Grafana, KDB+).
• Cross-Functional Collaboration: Partner with quant developers, system architects, and trading desks to optimize order execution, pricing engines, and market data feeds.

Requirements

• Strong expertise in core Java engineering with a dedicated focus on ultra-low latency and high performance.
• Deep knowledge of JRE/JVM internals, memory architecture, and zero-GC / low-allocation design patterns.
• Hands-on proficiency with Java profiling tools (e.g., Java Flight Recorder, Async-Profiler, JProfiler) and performance diagnostic techniques.
• Proven track record of performance tuning, thread concurrency management, and long-tail latency reduction in production systems.
• Strong operating knowledge of Linux system internals, memory management, and high-performance I/O.