Performance Engineering Lead: Scale & Reliability

Cygnify; Kuala Lumpur; On-site; MYR 180,000 - 280,000; Full time

Job summary

Cygnify in Malaysia seeks an experienced Performance Test Engineer / Performance Engineering Lead to own performance testing and drive improvements across large-scale systems.

You will design end-to-end performance tests, build load models with Architecture and Engineering, and report actionable insights to improve scalability, reliability and user experience. The role involves mentoring engineers and defining testing standards to ensure release readiness.

Qualifications

• Define Non-Functional Requirements (NFRs) and Service Level Objectives (SLOs) with cross-functional teams.
• Ability to build capacity and workload models based on business and technical needs.
• Strong understanding of open vs. closed workload models in performance testing.

Responsibilities

• Take ownership of existing performance test scripts and frameworks.
• Design, schedule and drive end-to-end performance testing activities.
• Define performance testing strategies, scenarios, workload models, test environments, expected results and success criteria.
• Design and implement processes to improve efficiency, reliability and execution time of performance tests.
• Establish and track application and service performance metrics, NFRs and SLOs.
• Build capacity and load models in collaboration with Architecture and Engineering teams.
• Analyse performance test results, identify bottlenecks and drive improvements with engineering teams.
• Collaborate with Engineering, QA, Architecture and Product stakeholders to align performance objectives.
• Establish effective ways to track, measure and report results of performance test runs.
• Provide performance insights and recommendations to improve scalability, stability and user experience.
• Support performance triage, release governance, performance sign-off and release-blocking decisions where required.
• Communicate performance outcomes to technical and non-technical audiences.
• Drive continuous improvement of performance engineering standards, practices and processes.

Skills

Load Modelling & Performance Eng

Define NFRs & SLOs

Workload modeling

Cloud-native & distributed

Tools

k6

JMeter

Gatling

LoadRunner

Docker

Kubernetes

Dynatrace

New Relic

Grafana

Prometheus

OpenTelemetry

Job description

Cygnify in Malaysia seeks an experienced Performance Test Engineer / Performance Engineering Lead to own performance testing and drive improvements across large-scale systems.

You will design end-to-end performance tests, build load models with Architecture and Engineering, and report actionable insights to improve scalability, reliability and user experience. The role involves mentoring engineers and defining testing standards to ensure release readiness.