Senior API QA Automation Engineer

Senior API QA Automation Engineer

Req number:

R7577

Employment type:

Full time

Worksite flexibility:

Remote

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

We are looking for a motivated Senior API QA Automation Engineer ready to take us to the next level! You will be responsible for ensuring the functionality, reliability, and performance of APIs and UI interfaces through automation and performance testing strategies and are looking for your next career move, apply now.

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, 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 View email address on click.appcast.io or View phone number on click.appcast.io.