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"Senior Java Developer (Low-Latency & JVM Performance)" Jobs in United Kingdom

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Senior Java Developer (Low-Latency & JVM Performance)

Luxoft · London

SeniorFull-timeOnsite

Project description Join a global technology team developing high-performance, low-latency platforms supporting critical trading and real-time processing workflows. The project focuses on building event-driven and reacti

Skills

8+ years of hands-on software development experience, with strong expertise in Core Java and performance-critical applications. Strong experience with JVM performance engineering and tuning, including GC optimization, memory management, profiling, and latency analysis. Excellent knowledge of multithreading, concurrency, data structures, algorithms, and algorithmic complexity. Proven experience building low-latency, high-throughput, event-driven or reactive systems. Strong knowledge of network programming and protocols, particularly TCP/UDP, and experience optimizing network-intensive applications. Strong understanding of Linux internals and performance analysis in Linux environments. Good understanding of CPU architecture and memory management, including shared memory, memory-mapped files, caches, and their impact on application performance. Experience with low-level Java technologies such as JNI, Java Unsafe, JNR-FFI, or comparable native integration techniques.

Discovered 5 days ago

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Senior Java Developer (low latency)

Luxoft · London

SeniorFull-timeOnsite

Project description Join a global technology team responsible for developing and supporting high-performance market-data and trading platforms across EMEA and the US. The project focuses on low-latency distribution of re

Skills

8+ years of hands-on software development experience, with strong expertise in Core Java and performance-critical systems. Proven experience with JVM profiling and performance tuning, including garbage collection, memory, thread, CPU, and latency optimization. Strong Linux development and troubleshooting experience in production environments. Experience designing and developing low-latency, high-throughput, mission-critical applications. Strong knowledge of low-latency network programming, including TCP/IP, sockets, efficient data processing, and kernel-bypass technologies. Working knowledge of C++, particularly in performance-sensitive environments. Experience with real-time market-data or electronic-trading platforms, including direct feeds, distribution protocols, and exchange connectivity. Strong performance analysis, troubleshooting, and production-support capabilities, with the ability to identify bottlenecks and perform root-cause analysis.

Discovered 5 days ago

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