Senior API QA Automation Engineer

Worksite flexibility:

Who we are

CAI is a global services firm with over 9,000 associates worldwide and a yearly revenue of $1.3 billion+. We have over 40 years of excellence in uniting talent and technology to power the possible for our clients, colleagues, and communities. As a privately held company, we have the freedom and focus to do what is right—whatever it takes. Our tailor-made solutions create lasting results across the public and commercial sectors, and we are trailblazers in bringing neurodiversity to the enterprise.

Job Summary

Job Description

We are seeking a Senior API QA Automation Engineer to join our Quality Engineering team. This position will be full-time and remote.

What You’ll Do

• Design, develop, and maintain automated API test suites using Postman and Newman

• Validate RESTful APIs for functionality, reliability, and data integrity

• Integrate API automation tests into CI/CD pipelines (Azure Pipelines preferred)

• Analyze automation results and provide actionable insights to development teams

• Design and execute performance, load, stress, soak, and scalability tests using Apache JMeter

• Perform API performance testing to validate response times, throughput, and system behavior under load

• Conduct UI performance testing to evaluate front-end responsiveness and end-user experience

• Create realistic test scenarios using JMeter features such as parameterization, correlation, assertions, and listeners

• Monitor system behavior during tests and identify performance bottlenecks

• Analyze performance test results and identify root causes for performance issues

• Produce clear, concise performance test reports with metrics, graphs, and recommendations

• Collaborate with developers, architects, and DevOps teams to optimize application performance

• Retest and validate performance fixes and improvements

• Embed performance and automation testing into continuous testing pipelines

• Support performance testing in cloud-based and microservices environments

• Continuously improve test frameworks, performance strategies, and QA best practices

What You'll Need

Required:

• 5+ years of experience in QA with strong focus on API automation and performance testing

• Hands-on expertise with Apache JMeter for API and UI performance testing

• Strong experience with Postman and Newman for API automation

• Solid understanding of RESTful APIs, HTTP methods, status codes, and JSON

• Experience with performance testing concepts: load, stress, endurance, spike testing

• Knowledge of CI/CD tools and pipelines (Azure DevOps preferred, Jenkins, GitLab CI)

• Experience analyzing application performance metrics and system behavior

• Familiarity with SQL/database performance validation

• Experience with Cloud Platforms (Azure preferred, AWS, GCP)

Preferred:

• Experience with microservices architectures

• Knowledge of monitoring and observability tools (Datadog preferred)

• Basic scripting knowledge (Groovy, JavaScript, or similar)

• Experience working with containerized environments (Docker/Kubernetes)

Physical Demands

• Ability to safely and successfully perform the essential job functions

• Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings

• Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor

Reasonable accommodation statement

If you require a reasonable accommodation in completing this application, interviewing, completing any pre-employment testing, or otherwise participating in the employment selection process, please direct your inquiries to application.accommodations@cai.io or (888) 824 – 8111.