City of London, London, United Kingdom Hybrid / WFH Options
CipherTek Recruitment
Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbagecollection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with FIX protocol , SBE Market Data Feeds (e.g., Refinitiv, Bloomberg), and LP connectivity . More ❯
Prometheus and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbagecollection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with FIX protocol , SBE Market Data Feeds (e.g., Refinitiv, Bloomberg), and LP connectivity . More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Insight Global
applicant must have the following: • Advanced proficiency in Java • Strong experience in low-latency, high-throughput systems, particularly within FX trading platforms (e.g. LSE, 360T) • Deep understanding of efficient garbagecollection, memory management, and object modeling • Unit testing experience with Grabler, JUnit, or similar frameworks • Proficient in Oracle or similar relational databases • Comfortable working in agile environments, especially More ❯
applicant must have the following: • Advanced proficiency in Java • Strong experience in low-latency, high-throughput systems, particularly within FX trading platforms (e.g. LSE, 360T) • Deep understanding of efficient garbagecollection, memory management, and object modeling • Unit testing experience with Grabler, JUnit, or similar frameworks • Proficient in Oracle or similar relational databases • Comfortable working in agile environments, especially More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
WFH: You can work from home from most of the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbagecollection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbagecollection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbagecollection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
/WFH: You can work from home most of the time but must be commutable to the London office. About you: You have strong Java development experience including concurrency, garbagecollection, low-level performance optimization, data structures, and memory-efficient design patterns. You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
technical or numerate discipline You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You have a deep knowledge of Java including garbagecollection You have a strong appreciation of low latency systems and code optimisation to ensure speed You have experience within a financial services environment or can demonstrate a More ❯
/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbagecollection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbagecollection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbagecollection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
/finish times - please note: you must have the right to work in the UK and be UK based. About you: You have strong Java development experience including concurrency, garbagecollection, low level performance optimisation, data structures and memory efficient design patterns You have experience with low latency systems, particularly OMS (Order Management Systems), EMS (Execution Management Systems More ❯
engineering best practices, and apply this knowledge to improve existing storage systems and develop new solutions. WHAT YOU HAVE Experience in Java development Strong JVM experience: internals, memory management, garbagecollection, performance optimization Knowledge of networking, distributed systems, data structures, and consistency algorithms Java JDK 17+ Knowledge of the following is desirable: Data Serialization and Transport (gRPC, Shared More ❯
knowledge of distributed systems including event-driven architecture; at-least-once messaging; CAP Theorem; horizontal and vertical scaling strategies; massively distributed architectures Expert knowledge of Java, JVM, memory management, garbagecollection Thorough understanding of multithreaded environment challenges Expert knowledge of Spring, SpringBoot framework and associated technologies Expert knowledge of test frameworks, such as Junit, Mockito, writing easily-testable More ❯
London, England, United Kingdom Hybrid / WFH Options
TechBiz Global
streaming capabilities , including experience with network programming, sockets, and protocols like WebSockets and WebRTC. Lead performance optimization initiatives by profiling Go code, reducing latency, and efficiently managing memory and garbage collection. Build fault-tolerant systems with strong recovery mechanisms and failover strategies to maintain service continuity. Implement comprehensive logging and tracing using tools such as zap, klog, OpenTelemetry, and More ❯