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Api Automation Tester Jobs (NOW HIRING)

Computer World Services

Automation Tester

Springfield, VA

$48 - $63.50/hr

This role requires hands-on experience with API validation, database verification, and performance testing in Agile/DevOps environments. The Automation Tester will design automated test scripts in ...

Sun-IT Solutions

QA Automation Engineer

Sunnyvale, CA · On-site

Sunnyvale-CA-94085 Onsite Playwright automation with Typescript Performance testing with JMeter API automation testing with Rest Assured and knowledge in Security testing Mandatory skills: Playwright ...

New

Maintec Technologies

QE API Automation Lead

Houston, TX · On-site

Strong API, UI & rest assured testing skills with functional and automation * Rest assured skill along with API, automation are needed * Able to Analyze requirements * Prepare Test Plans, Testing ...

United IT

Automation Tester

Bloomington, IL · On-site

$43.75 - $57.75/hr

Automation Tester (Selenium + Python) Location: Bloomington, IL (Hybrid) Experience - 7-12 years ... Integrate libraries eg Selenium API Database for end-to-end automation * Execution Reporting

Computer World Services Corp. (CWS)

Automation Tester

$47 - $62.25/hr

Computer World Services Corp. (CWS) is seeking an experienced Automation Tester with strong expertise in Backend, API, and Microservices testing. The role involves designing, implementing, and ...

New

Diverse Lynx

Mobile Automation Testing

Plano, TX · On-site

$44.25 - $58.50/hr

API Automation Expert Work Location: Plano, TX 75075 Contract duration: 6 months Target Start Date ... Testing Automation, preferably with rest Assured and test automation Hands on experience in ...

ClifyX

Automation Tester

Denver, CO · On-site

$47.25 - $62.50/hr

Automation Tester Experience of Selenium Webdriver tool is a MUST ... Must have experience in API testing with KARATE/RESTASSURED. Must have experience in BDD Cucumber.

Diverse Lynx

Mobile Automation Test Engineer

Austin, TX · On-site

$45.50 - $60.25/hr

XCUI Automation using Swift code along with iOS simulator and Appium (iOS exp) Selenium and Playwright automation API automation testing with Rest Assured and knowledge in Security testing Mandatory ...

Strong Tower Partners

API Tester

Dallas, TX · On-site +1

$115K - $140K/yr

Degree in Computer Science, IT, or a related field, or demonstrated hands-on experience in API testing, automation, or software quality assurance. * 2+ years of API testing or backend quality ...

Photon

QA Automation - Chennai - KeyBank

Dallas, TX · On-site

JD We are seeking a Senior Automation Test Engineer with 7+ of automation testing experience to ... API tests and end-to-end testing using JavaScript frameworks such as Cypress testing. Requirements

e-IT Professionals Corp.

Automation Tester

Dallas, TX · On-site

$45.75 - $60.25/hr

Appium and REST API frameworks Contribute to all the testing phase activities as per the release ... Beginner: 1-2 years Mobile automation: Appium (Beginner: 1-2 years) Manual Testing Expert: 2-4 ...

Diamondpick

Senior Automation Tester

Houston, TX · On-site

Coding skills on Java, Selenium Automation, Functional Testing, API Testing, Karate Framework, JIRA, GITHUB, Performance testing, API and Microservices experience * Secondary Skills: Domain knowledge ...

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API Automation Tester information

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$51

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How much do api automation tester jobs pay per hour?

As of Jul 3, 2026, the average hourly pay for api automation tester in the United States is $51.28, according to ZipRecruiter salary data. Most workers in this role earn between $44.23 and $58.41 per hour, depending on experience, location, and employer.

What are the typical challenges faced by an API Automation Tester when working with rapidly changing APIs?

API Automation Testers often encounter challenges when APIs undergo frequent updates or changes, such as shifting endpoints, altered data structures, or evolving authentication methods. Keeping automation scripts up-to-date requires strong collaboration with developers and continuous monitoring of API documentation. Testers must design flexible and maintainable test frameworks to quickly adapt to changes and ensure comprehensive coverage without significant downtime in the testing process.

What does an API Automation Tester do?

An API Automation Tester is responsible for designing, developing, and executing automated tests for application programming interfaces (APIs) to ensure they function correctly and meet quality standards. Their role involves creating test scripts, validating responses, identifying bugs, and ensuring seamless integration between different software components. They often use tools like Postman, SoapUI, or REST Assured and write scripts in programming languages such as Java, Python, or JavaScript. API Automation Testers collaborate closely with developers and other QA team members to maintain and improve the reliability and performance of APIs.

What are the key skills and qualifications needed to thrive as an API Automation Tester, and why are they important?

To thrive as an API Automation Tester, you need a solid understanding of software testing principles, programming/scripting skills (commonly in Java, Python, or JavaScript), and experience with API protocols such as REST and SOAP. Familiarity with automation tools like Postman, SoapUI, or Rest Assured, and version control systems like Git, is typically required, along with relevant certifications such as ISTQB or API Testing certifications. Strong analytical thinking, attention to detail, and effective communication skills help testers identify issues and collaborate with developers and stakeholders. These capabilities are essential to ensure robust, reliable APIs and efficient software delivery in modern development environments.
More about API Automation Tester jobs
What states have the most Api Automation Tester jobs? States with the most job openings for Api Automation Tester jobs include:
What job categories do people searching Api Automation Tester jobs look for? The top searched job categories for Api Automation Tester jobs are:
API Automation Tester jobs near you
Infographic showing various Api Automation Tester job openings in the United States as of June 2026, with employment types broken down into 56% Full Time, 22% Part Time, and 22% Contract. Highlights an 78% Physical, 5% Hybrid, and 17% Remote job distribution, with an average salary of $106,656 per year, or $51.3 per hour.
Automation Tester

Automation Tester

Computer World Services

Springfield, VA

$48 - $63.50/hr

Full-time

Posted 14 days ago

Job description

We are seeking an experienced Automation Tester with strong expertise in Backend, API, and Microservices testing. The ideal candidate will design, implement, and maintain automation frameworks supporting REST, SOAP, and distributed backend services. This role requires hands-on experience with API validation, database verification, and performance testing in Agile/DevOps environments.
 
The Automation Tester will design automated test scripts in support of user requirements for moderately complex to extremely complex software of IT systems. They will perform activities such as determining what technical testing strategy to implement; converting manual test cases to automated scripts, analyze test case scenarios, identifying validation points and metrics to be collected; ability to identify which protocol is best to use for building scripts and connecting to test environment interfaces; conducting various types of tests and collecting necessary metrics; writing test analysis documents highlighting key findings and recommendations; perform code reviews. The Automation Tester may make recommendations and advise on system improvements, optimization, or maintenance efforts to reduce operating time and improve efficiency.
 
The Automation Tester should have the following skills:
Experience in backend or API test automation
Strong knowledge of Agile, CI/CD, and DevOps practices
Experience with performance testing and systems engineering
Experience with JMeter and developing Curl or Shell scripts
Excellent communication and problem-solving skills
Ability to work independently and collaboratively in cross-functional teams
Ability to convey technical information to non-technical individuals
Key Tasks & Responsibilities
  • Analyze functional and non-functional requirements to define API and backend testing needs.
  • Design and develop automated test scripts for REST, SOAP, and microservice interfaces.
  • Validate API responses, payloads, and data integrity using Postman, Swagger, and SOAP UI.
  • Execute integration and regression testing for backend systems.
  • Build and maintain automation frameworks using Python, Java, or Groovy.
  • Verify backend data using SQL (Oracle, PostgreSQL, MySQL).
  • Troubleshoot API and data issues through log analysis and diagnostics tools.
  • Integrate automated tests into CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI).
  • Support load and performance testing using JMeter or similar tools.
  • Participate in code reviews and provide recommendations to improve automation coverage.
  • Collaborate with developers, DevOps, and QA teams to ensure system quality and reliability.
Required Education & Experience
  • Bachelor's Degree in Computer Science, Engineering, or related field and 10 years of experience
  • 8-10 years of experience in backend or API test automation
The ideal candidate should be able to demonstrate working knowledge with several of the following concepts or technologies:
Core Expertise
  • REST / SOAP API Testing
  • Backend & Microservices Testing
  • Postman, Swagger, SOAP UI
  • REST Assured, PyTest, Karate
  • JSON, XML, WSDL, OAuth, JWT
  • SQL (PostgreSQL, Oracle, MySQL)
  • Jenkins, Maven, Git, JIRA
  • TestNG, JUnit, PyTest
  • Cucumber
  • Docker / Kubernetes Environments
  • Performance Testing (JMeter, Locust)
  • Languages: Java, Ruby, Python, XML
 
Desired Expereince
  • AWS or other Cloud Platform experience
  • API Monitoring (e.g., Splunk, Kibana)
  • TDD / BDD experience
  • Security and authentication testing
  • Federal or large-scale enterprise system experience
Certification Requirements
  • Relevant certifications desired
Clearance Requirements
  • Candidate must be a US Citizen, possess DHS Suitability background investigation or be eligible to qualify for DHS Entry of Duty background investigation followed by DHS Public Trust Clearance
Other (Travel, Work Environment, DoD 8570 Requirements, Administrative Notes, etc.)
  • None at this time
Computer World Services is committed to the full inclusion of all qualified individuals. As part of this commitment, Computer World Services will ensure that individuals with disabilities (IWD) are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Human Resources at [email protected]
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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