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Freelance Api Automation Testing Jobs in Washington

Contract * 10+ years of experience in Quality Assurance (QA) and automation testing. * Strong hands-on experience in API automation using ReadyAPI with Groovy scripting. * Proficient in performance ...

Tosca API Automation Tester

Bethesda, MD · On-site

$49.25 - $65/hr

Contract Automation Testing: * Develop maintain and execute automated test scripts using Tricentis Tosca for API and UI layers Integrate Tosca automation with CICD pipelines Azure DevOpsJenkins ...

Automation Tester

Herndon, VA · Remote

$47.25 - $62.50/hr

Automation Tester Location: 100% Remote, would consider EST/CST candidates. Duration: 9-month ... API testing experience * Experience with Ab Initio ETL tool * Experience with Jenkins * Jira ...

New

Automation Tester

Herndon, VA · Remote

$47.25 - $62.50/hr

Automation Tester Location: 100% Remote, would consider EST/CST candidates. Duration: 9-month ... API testing experience * Experience with Ab Initio ETL tool * Experience with Jenkins * Jira ...

New

Be Seen First

We're looking for a Secret cleared (or higher) Test Engineer with solid functional testing experience and strong hands‐on automation skills in Selenium and API testing tools. You'll work closely ...

QA Automation Tester

Reston, VA · On-site

$100 - $130/hr

Conduct API testing (REST & SOAP) using appropriate tools * Execute automation testing and maintain automation frameworks * Perform performance and load testing * Collaborate with developers, product ...

Perform API testing and automation for SOAP and REST services. * Manage physical and virtual QA lab environments, including ATM devices and simulators. * Execute and analyze load/performance tests ...

QA Automation Tester

Reston, VA · On-site

$120K - $160K/yr

Conduct API testing (REST & SOAP) using appropriate tools * Execute automation testing and maintain automation frameworks * Perform performance and load testing * Collaborate with developers, product ...

QA Automation Tester

Reston, VA · On-site

$120K - $160K/yr

Conduct API testing (REST & SOAP) using appropriate tools * Execute automation testing and maintain automation frameworks * Perform performance and load testing * Collaborate with developers, product ...

Must have experience in UI, API Web Services/Micro services Development/Automation testing and creating automated test scripts with Cypress/Selenium/rest Assured/PACT.IO/any similar Java libraries.

Conduct API testing (REST & SOAP) using appropriate tools * Execute automation testing and maintain automation frameworks * Perform performance and load testing * Collaborate with developers, product ...

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Freelance Api Automation Testing information

What is freelance API automation testing?

Freelance API Automation Testing involves independent professionals who specialize in creating, executing, and maintaining automated tests for APIs (Application Programming Interfaces) on a contract or project basis, rather than as full-time employees. These testers use various tools and frameworks to ensure APIs function correctly, are reliable, and meet specified requirements across different environments. Their work helps catch bugs early, speeds up development cycles, and improves the quality of software integrations. Freelance API automation testers typically work with clients from various industries, offering flexible and specialized testing services.

What are the key skills and qualifications needed to thrive as a freelance API automation tester?

To thrive as a Freelance API Automation Tester, you need strong knowledge of API protocols (REST, SOAP), test automation frameworks, scripting languages like Python or Java, and experience with QA methodologies. Familiarity with tools such as Postman, SoapUI, JMeter, and CI/CD systems, along with certifications like ISTQB or equivalent, is highly valuable. Exceptional analytical thinking, attention to detail, and clear communication are important soft skills for interpreting requirements and reporting findings to clients. These skills ensure accurate, efficient API testing and foster trust with clients who rely on quality and reliability in automated solutions.

What are some common challenges freelance API automation testers face when working with clients remotely?

Freelance API automation testers often encounter challenges such as aligning on testing requirements, managing time zone differences, and ensuring clear communication with development teams. Since the role is remote, it’s crucial to establish well-documented test plans, regularly update clients on progress, and quickly adapt to changing application requirements. Additionally, freelancers must be proactive in accessing necessary documentation and APIs, as well as maintaining their own test environments to ensure smooth collaboration and timely delivery.

What is the difference between Freelance Api Automation Testing vs Freelance Software Tester?

AspectFreelance Api Automation TestingFreelance Software Tester
CredentialsKnowledge of API testing tools, scripting, and automation frameworksGeneral testing skills, manual testing, and basic automation knowledge
Work EnvironmentPrimarily remote, focused on API testing projectsRemote or onsite, testing various software components
Industry UsageCommon in software development, QA teams, and automation projectsUsed across multiple industries for overall software quality assurance
Search & Comparison IntentFocus on automation, APIs, and scripting skillsBroader testing roles, manual and automation testing

Freelance Api Automation Testing specializes in automating API tests using scripting and automation tools, often requiring specific technical skills. Freelance Software Tester covers a wider range of testing activities, including manual and automated testing across various software components. Both roles are essential in quality assurance but differ in scope and technical focus.

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

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

What cities in Washington are hiring for Freelance Api Automation Testing jobs?

Cities in Washington with the most Freelance Api Automation Testing job openings:

Infographic showing various Freelance Api Automation Testing job openings in Washington as of June 2026, with employment types broken down into 20% As Needed, 10% Full Time, and 70% Contract. Highlights an 73% Physical, 3% Hybrid, and 24% Remote job distribution.

API Automation Engineer

Staffingine LLC

Bethesda, MD • On-site

Contractor

Re-posted 6 days ago


Job description

Job Title:  API Automation Engineer using Ready API 
Job Location: Bethesda, MD 
Job Type: Contract 

Job Description:  

  • 10+ years of experience in Quality Assurance (QA) and automation testing. 

  • Strong hands-on experience in API automation using ReadyAPI with Groovy scripting. 

  • Proficient in performance testing with NeoLoad. 

  • Skilled in API testing using Postman. 

  • Hands-on experience with Git and Jenkins for CI/CD automation. 

  • Experience with monitoring tools such as Dynatrace. 

  • Strong analytical and troubleshooting abilities. 

  • Excellent verbal and written communication skills for direct client interaction and collaboration across teams.