Job description for Senior Performance Engineer - Banking (Can Join Immediately) at PT Sigma Global Teknologi
Location: Tangerang Selatan - Full WFO
Technical Requirements (Tech Stack)
1. Performance Testing Tools
* Expertise in JMeter: Advanced scripting, custom samplers, and Groovy/BeanShell scripting.
* Expertise in LoadRunner: Proficiency in Web HTTP/HTML, TruClient, and Web Services protocols.
* K6 or Gatling: (Optional/Plus) Experience with modern "as-code" performance tools.
2. Observability & Monitoring
* APM Tools: Hands-on experience with Dynatrace, New Relic, or AppDynamics to monitor transaction snapshots and code-level hotspots.
* Infrastructure: Ability to analyze metrics in Prometheus & Grafana.
* Log Management: Proficiency in searching and visualizing logs via ELK Stack (Elasticsearch, Logstash, Kibana) or Splunk.
3. Systems & Infrastructure
* Architecture: Deep understanding of Microservices, Load Balancers (NGINX/F5), and Caching layers (Redis).
* Cloud & Containers: Familiarity with Docker & Kubernetes (K8s) monitoring (pod health, resource limits).
* Databases: Ability to identify slow queries and understand indexing in PostgreSQL, MySQL, or Oracle.
* Workload Modeling: Analyze production usage patterns (via Google Analytics or logs) to create realistic performance test scenarios.
* End-to-End Testing: Design and execute Load, Stress, Endurance, and Scalability tests.
* Bottleneck Diagnosis: Analyze Thread Dumps, Heap Dumps, and Garbage Collection (GC) behavior to identify memory leaks or locking issues.
* Shift-Left Performance: Integrate performance tests into CI/CD pipelines (Jenkins, GitLab, or Azure DevOps) for automated performance gating.
* Capacity Planning: Provide recommendations on hardware/cloud resource scaling based on test results.
Soft Skills & Qualifications
* Analytical Mindset: You don't just report "the system is slow"; you find out which line of code or which database query is the culprit.
* Communication: Ability to explain complex technical bottlenecks to non-technical stakeholders.
* Experience: 3+ years in Performance Testing/Engineering or Software Development.
