Qualys, Inc.

Lead Performance QA Engineer

Qualys, Inc.
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4 days ago
Pune, IndiaStaff+

Responsibilities

  • Own performance engineering activities across multiple releases and product roadmaps.
  • Define performance-testing scope, workload models, success criteria, and capacity-planning requirements.
  • Design and execute performance, load, stress, endurance, scalability, spike, and capacity tests.
  • Validate and optimize Kubernetes-based microservices, Kafka messaging systems, APIs, databases, caching layers, and Spark workloads.
  • Perform root-cause analysis of CPU, memory, thread, garbage-collection, network, database, cache, and messaging bottlenecks.
  • Analyze Kafka consumer lag, throughput, partition distribution, batching efficiency, and message-processing latency.
  • Analyze API latency, throughput, concurrency, error rates, and service-level objectives.
  • Investigate Spark batch and streaming performance, including executor utilization, partitioning, shuffles, memory management, and query plans.
  • Investigate production, pre-production, and customer-reported performance issues and provide actionable recommendations.
  • Create scalable test-data generation frameworks, automation utilities, scripts, and performance-engineering tools.
  • Mentor performance engineers and establish performance-engineering best practices.
  • Provide performance status updates, risk assessments, and recommendations to stakeholders.

Requirements

  • 7+ years of experience in performance testing and performance engineering.
  • Proven experience leading performance initiatives for enterprise-scale applications.
  • Strong understanding of distributed systems and cloud-native architectures.
  • Hands-on expertise with Kubernetes, containerized environments, microservices, Apache Kafka, API performance testing, Redis, Oracle Database, Elasticsearch, Apache Spark, and Linux system performance analysis.
  • Experience with one or more performance-testing tools: JMeter, Gatling, LoadRunner, k6, Locust, or BlazeMeter.
  • Hands-on experience with Grafana, Prometheus, Kibana, Elastic Stack, Dynatrace, AppDynamics, or OpenTelemetry.
  • Strong scripting or programming experience with Python, Java, or similar programming languages.
  • Ability to collaborate with development, architecture, operations, support, and customer-facing teams.

Benefits

  • Full-time employment.
  • Hybrid work arrangement with 3 days in the office in Pune.

Tech Stack

Apache JMeterApache KafkaApache SparkDockerElasticsearchGrafanaGraphQLJavaKibanaKubernetesLinuxOracle DatabasePrometheusPythonRedis

Categories

Qualys, Inc.

About Qualys, Inc.

1,001-5,000 employees

Qualys builds a cloud-based security and compliance platform used by enterprises to automate vulnerability management, IT asset visibility, web application scanning, and policy/PCI compliance across on‑prem and cloud environments. Delivered as subscription SaaS, its Enterprise TruRisk Platform uses a single agent to provide continuous security telemetry for endpoints, servers, containers, and clouds. Founded in 1999 and headquartered in Foster City, California, Qualys is a public company trading on NASDAQ (QLYS).

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