1

Api Automation Testing Jobs (NOW HIRING)

JD: We are looking for an experienced QA Automation Engineer with strong hands-on experience in Python, Pytest, and API automation testing. The candidate will be responsible for analyzing ...

Automation Test Engineer

Denver, CO · On-site

$47.25 - $62.50/hr

Experience in UI and API automation testing. Knowledge of Selenium is an added advantage. Experience with Git version control. Familiarity with SQL and database validation. Understanding of Agile ...

Senior Python Full stack developer

Austin, TX · On-site

$120K - $162K/yr

The role involves expertise in Red teaming, RAG pipelines, and API automation testing. Responsibilities : • Expertise in Red teaming and RAG pipelines • API Automation testing Qualifications

SDET/Automation Testing Lead

Irving, NY · On-site

$60K - $135K/yr

Mentor team members on Automation frameworks, Manual Testing and API Testing. * Be meticulous about documentation and maintaining a robust log of all test cases and test results. * Understand ...

Sr. Automation Engineer

Atlanta, GA · On-site

$100K - $131K/yr

... API, and automation testing. Qualifications : Required : • Experienced Sr Automation engineer in DWH • Strong Data and Automation expertise to support large‐scale Data Warehouse (DWH) cloud ...

While this role primarily focuses on API automation testing, the successful candidate will also be expected to perform hands-on manual testing on physical ATMs within the lab environment. This ...

Mobile Automation Tester

$47 - $62.25/hr

Preferred : • Swift • Android testingAPI automation • Hands on a11y testing experience Company : Jobdiva Job Portal: Recruitment (contingency search and campus selection). Founded in 2019 ...

Showing results 21-40

Api Automation Testing information

See salary details

$10

$51

$75

How much do api automation testing jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for api automation testing 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 is an API automation testing?

An API Automation Testing job involves designing, developing, and executing automated test scripts to verify the functionality, reliability, and performance of application programming interfaces (APIs). Testers use tools like Postman, RestAssured, or SoapUI to validate API requests and responses. They ensure seamless integration between software components, detect defects early, and improve test efficiency. Strong knowledge of programming, API protocols (REST, SOAP), and test frameworks is essential.

What does an API automation testing do?

In an API Automation Testing role, your day-to-day tasks often include writing and maintaining automated test scripts, designing test cases based on requirements, and executing tests to validate API functionality and performance. You'll also analyze test results, log defects, and work closely with developers and QA teams to troubleshoot issues and improve overall product quality. Regular collaboration with cross-functional teams ensures alignment on project goals and facilitates quick resolutions of any integration challenges. Over time, you'll also have opportunities to contribute to test framework development and adopt new tools to optimize testing processes.

What are the key skills and qualifications needed to thrive in API automation testing?

To excel in API Automation Testing, candidates typically need solid programming skills (such as in Java, Python, or JavaScript), a deep understanding of software testing methodologies, and experience with RESTful and SOAP APIs. Familiarity with automation tools like Postman, SoapUI, Selenium, or RestAssured, along with certifications such as ISTQB, are common requirements. Strong analytical thinking, attention to detail, and effective communication skills set top professionals apart in this role. These competencies are crucial for designing robust automated tests, diagnosing issues efficiently, and collaborating well within agile development teams.

How to become an API automation tester?

To become an API automation tester, you should gain a strong understanding of APIs and programming languages such as Java, Python, or JavaScript. Learning automation tools like Postman, RestAssured, or SoapUI, along with testing frameworks and scripting skills, is essential. Earning relevant certifications and gaining hands-on experience through projects or internships can also improve job prospects.

Is API automation testing a good career?

API automation testing is a valuable career path for those interested in software quality assurance, as it involves designing and executing automated tests for APIs using tools like Postman, RestAssured, or Selenium. It offers opportunities for growth in roles such as QA engineer or test automation engineer, with demand driven by the increasing reliance on APIs in software development. Developing skills in programming, testing frameworks, and understanding of APIs enhances job prospects in this field.

What is the average salary for an API automation testing engineer?

The average salary for an API automation testing engineer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and skill set. Professionals with expertise in tools like Postman, RestAssured, or Selenium and certifications in testing may earn higher salaries.
More about Api Automation Testing jobs

What cities are hiring for Api Automation Testing jobs?

Cities with the most Api Automation Testing job openings:

What are the most commonly searched types of Api Automation Testing jobs?

The most popular types of Api Automation Testing jobs are:

What states have the most Api Automation Testing jobs?

States with the most job openings for Api Automation Testing jobs include:

What job categories do people searching Api Automation Testing jobs look for?

The top searched job categories for Api Automation Testing jobs are:

Infographic showing various Api Automation Testing job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 1% As Needed, 83% Full Time, 11% Part Time, 3% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $106,656 per year, or $51.3 per hour.

Automation Engineer (AI/ML & API Testing)

Jersey City, NJ • On-site

CYNET SYSTEMS
IT Services • 501 - 1,000 employees

$58 - $67/hr

Contractor

Re-posted 28 days ago


Job description

Job Overview:

Pay Range: $58.52hr - $67.85hr

Requirement/Must Have:

  • 10+ years of proven experience in the software development industry, participating in a team environment.
  • 5+ years of experience in UI automation, such as Selenium WebDriver.
  • 5+ years of proven experience in testing web services such as RESTful API.
  • 3+ years of proven experience in performance testing using tools such as Apache JMeter.
  • 3+ years of working in a cloud-based development and production environment such as AWS.
  • 3+ years of proven experience with programming languages such as Java/C#. Familiarity with Python is a plus.
  • Proficient with both SQL and NoSQL databases.
  • Experienced working in Continuous Integration/Continuous Deployment (CI/CD) environments.
  • Having AWS/Cloud technologies and AI/ML powered applications knowledge are big plus.
  • Experience with AI/ML-powered applications, Generative AI, and Agentic AI systems is highly desirable.
  • Understanding of AI testing concepts, including prompt validation, model output verification, hallucination detection, bias testing, guardrail validation, and AI quality evaluation.
  • Familiarity with LLMs (Large Language Models), AI agents, retrieval-augmented generation (RAG), and AI-assisted workflows is a strong plus.
  • Ability to develop QA strategies and test approaches for AI-driven and autonomous agent-based applications.

Responsibilities:

  • Design and execute functional and automation testing for applications.
  • Develop and execute automated test scripts using testing tools; document and summarize results.
  • Build, update, and maintain UI automation test cases using Selenium with C# (flexibility to learn C# if not already proficient).
  • Perform manual API testing using tools such as Postman or Insomnia.
  • Perform API automation testing using industry-standard frameworks and tools.
  • Participate actively in Agile ceremonies (daily stand-ups, sprint planning, retrospectives).
  • Collaborate closely with Development and Business teams to ensure project success.
  • Quickly adapt to new technologies and tools (e.g., Amazon Web Services).
  • Work with SQL and NoSQL databases for backend validation and robust data testing.
  • Create comprehensive end-to-end test plans, test specifications, and test case templates.
  • Develop and document detailed test plans and test cases.
  • Facilitate defect tracking, reporting, and resolution management.
  • Review requirements (Functional Specifications, User Stories, Change Requests) to ensure full coverage.
  • Identify and manage test data; prepare automation-ready test cases.
  • Conduct system testing, regression testing, and support User Acceptance Testing (UAT).
  • Apply test case design techniques (e.g., boundary value analysis, equivalence partitioning).
  • Implement Shift Left Testing practices by participating in early requirement and design reviews, writing acceptance criteria up front, and integrating automated tests in CI/CD pipelines.
  • Be actively involved in the deployment process, collaborating with DevOps and engineering teams to ensure smooth releases.
  • Design and execute test strategies for AI/ML and Agentic AI applications, including validating AI-generated outputs for accuracy, consistency, and reliability.
  • Test AI agents for workflow execution, decision-making, and multi-step task completion.
  • Evaluate AI model behavior, prompt responses, hallucinations, and edge cases.
  • Verify AI safety controls, guardrails, security, and compliance requirements.
  • Create test datasets and benchmarks for AI quality assessment.
  • Monitor and report AI model performance, accuracy, and user experience metrics.

Nice to Have:

  • Experience with application monitoring tools (e.g., New Relic, Datadog, CloudWatch).
  • Working knowledge of Python for scripting and automation.
  • Familiarity with AWS services for cloud-based testing and deployment.
  • Hands-on experience with performance and load testing using JMeter.
  • Experience with testing AI/ML-powered applications, including validating model outputs, creating test datasets, evaluating model performance.

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.

Cynet Systems logo

About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media