Java Developer (AWS) - Leading Investment Bank - J12483

We are looking for a Java Developer to work on high-throughput trading systems within a global investment bank. This role sits close to post-trade operations, building and optimizing platforms where performance matters. Responsibilities Design and develop low-latency Java applications supporting post-trade processesOptimize system performance across GC, threading, memory allocation, and network I/OBuild and maintain real-time services processing high message and transaction volumesWork closely with traders, quants, and electronic trading teams to deliver performance-critical featuresAnalyze and resolve latency bottlenecks across application, JVM, and OS layersEnsure systems are resilient, fault-tolerant, and production-readyParticipate in production support for latency-sensitive systems Requirements Strong commercial experience in Java (Java 8+) and AWSDeep understanding of JVM internals, garbage collection, and memory managementStrong experience with concurrency, lock-free or low-lock designsSolid Linux knowledge, including performance tuning and troubleshootingStrong SQL and experience with relational databases