Senior Performance QA Engineer - Low-Latency Trading

ALLEGIS GROUP SINGAPORE PRIVATE LIMITED; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Allegis Group Singapore Pte Ltd is seeking a Senior Performance QA Engineer to join a leading global financial technology firm. You will focus on the stability, scalability, and performance of low-latency trading and data platforms, working on real-time systems in an agile environment.

You will conduct deep performance testing, identify bottlenecks, and collaborate with architects and engineers to drive performance-driven design, while promoting best practices and delivering measurable

Qualifications

• 10+ years of experience in performance engineering for low-latency, real-time systems.
• Hands-on Java coding experience.
• Experience with performance testing tools (JMeter, Gatling, Locust, k6).
• Profiling/monitoring with Grafana, Prometheus, Splunk, New Relic, AppDynamics.
• DevOps practices and tooling (CI/CD, Docker, pipelines, scripting).
• Experience with Kafka or similar event-streaming platforms.
• Cloud and containerized environments (Cloud, Kubernetes).
• Excellent communication, analytical and problem-solving skills.

Responsibilities

• Conduct deep performance testing and analysis on low-latency, real-time systems.
• Identify, diagnose, and resolve performance bottlenecks across the technology stack.
• Explore, evaluate, and recommend performance testing tools, frameworks, and methodologies.
• Partner with architecture and engineering teams to advise on performance-optimized system design.
• Perform system-level analysis covering throughput, latency, concurrency, scalability, and failover.
• Review existing architecture and drive performance-focused improvements.
• Communicate findings and insights to technical stakeholders, business teams, and leadership.
• Collaborate with developers to validate fixes and re-test performance metrics.
• Promote and contribute to a performance-driven engineering mindset across teams.
• Provide structured, insightful feedback on issues, risks, and improvement opportunities.

Skills

Low-latency systems

10+ years performance engineering

Java coding

Distributed systems design

Performance engineering fundamentals

Problem-solving & communication

Tools

JMeter

Gatling

Locust

k6

Grafana

Prometheus

Splunk

New Relic

AppDynamics

Kafka

Docker

Kubernetes

Job description

Allegis Group Singapore Pte Ltd is seeking a Senior Performance QA Engineer to join a leading global financial technology firm. You will focus on the stability, scalability, and performance of low-latency trading and data platforms, working on real-time systems in an agile environment.

You will conduct deep performance testing, identify bottlenecks, and collaborate with architects and engineers to drive performance-driven design, while promoting best practices and delivering measurable