Senior Performance Engineer — JVM, Cloud & Real-Time Systems

Visa; Cambridge; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading payment technology company in the United Kingdom is seeking a Senior Software Performance Engineer. This role involves optimising system performance, tackling complex performance challenges, and collaboration with cross-functional teams. The ideal candidate will have expertise in JVM tuning and real-time data streaming. This is a hybrid position with opportunities for significant impact in a dynamic environment.

Benefits

Hybrid work model

Opportunity for significant impact

Collaborative team environment

Qualifications

• Expert understanding of JVM internals, distributed systems, and Linux performance tools.
• Proven experience in JVM performance tuning with G1, ZGC, and Shenandoah.
• Ability to write optimised, scalable code and improve system performance.

Responsibilities

• Participate in daily stand-ups and lead calls to synchronise team activities.
• Set standards for performance-focused engineering.
• Profile applications and drive code changes from findings.
• Collaborate with teams to deliver high-performance solutions.

Skills

JVM performance tuning

Java profiling tools

Real-time data streaming

Linux performance tools

Education

Degree in Computer Science or related field

Tools

Kafka

MongoDB

Prometheus

Grafana

Job description

A leading payment technology company in the United Kingdom is seeking a Senior Software Performance Engineer. This role involves optimising system performance, tackling complex performance challenges, and collaboration with cross-functional teams. The ideal candidate will have expertise in JVM tuning and real-time data streaming. This is a hybrid position with opportunities for significant impact in a dynamic environment.