2 of 2 Contract JVM Tuning Jobs in England

Senior JVM Software Engineer (Scala/Java) 6-12-month contract - Inside IR35 - up to £600 per day London based - hybrid working - 2-3 days onsite Finance sector - must have previous experience Overview Our client is seeking a Senior Software Engineer to join a team building a distributed calculation … focused on designing and building new functionality rather than support or maintenance. Skills & Experience Strong senior-level software engineering background Significant commercial experience with JVM technologies (Scala or Java) Experience building complex backend or distributed systems Strong understanding of software engineering fundamentals, including: Concurrency Testing Design patterns Clean code ...

/file handles, network throughput, GC pauses). Analyze broker hotspots, partition skew, large message handling, compaction and retention settings, and tune GC/JVM for sustained throughput. Implement consumer lag monitoring and alerting with actionable runbooks to prevent data loss or SLA breaches. Model workload growth, topic/… usage; deep knowledge of ACLs, quotas, transactions, idempotent producers, and exactly once semantics scenarios. Prometheus/Grafana, JMX exporters, alerting systems (Alertmanager etc). JVM tuning, Linux performance (NUMA, file descriptors, page cache, disk/RAID, XFS), and network tuning (TCP buffers, MTU, jumbo frames where applicable ...