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 hr@cwsc.com
