Fulltime Onsite: API Tester

We are looking for a skilled API Test Engineer with hands-on experience in testing TMF APIs, validating application behavior via Dynatrace logs, and implementing functional automation testing using Apache JMeter. The ideal candidate will have a strong understanding of RESTful APIs, experience with service validation, and the ability to design and execute automated test scripts efficiently.

Experience: 3 to 5 Years

Location: Chennai / Bangalore / Pune / Hyderabad

Work timing: IST (9:30 am to 6:30 pm)

Work model: Fulltime - onsite

Notice period: Immediate joiner (15 days to 1 month)

Key Responsibilities:

• Design and execute API test cases for TMF-compliant REST APIs.
• Validate API responses, headers, and payloads using tools like Postman, SOAP UI, REST Assured, or JMeter.
• Develop and maintain automated test scripts using Apache JMeter for performance and functional validation.
• Parse and validate logs to verify system behavior, trace IDs, and transaction consistency.
• Implement logic to correlate transaction IDs between test execution and backend logs.
• Strong analytical skills to analyse the issue/defect with detailed information to dev team.
• Collaborate with development teams to identify API defects, root causes, and performance bottlenecks.
• Integrate API automation tests into CI/CD pipelines (Jenkins).
• Generate JMeter HTML reports and enhance reporting with logging tool integration or post-processing.
• Maintain test data, environments, and versioned test repositories in Git or similar tools.
• Prepare test documentation, including test plans, test scenarios, and bug reports.

Must-Have Skills:

1. Strong experience in REST API testing (especially TMF Open APIs) using SOAP UI / Postman / Jmeter.
2. Proficiency in JMeter for functional test automation.
3. Experience with logging tool for log monitoring, trace analysis, and log validation.
4. Ability to extract and verify trace IDs, transaction logs, and custom log messages.
5. Good knowledge of JSON structure and parsing logic.
6. Understanding of HTTP methods, status codes, headers, and payload structures.
7. Basic scripting knowledge (Groovy/Beanshell/JavaScript in JMeter or Python).
8. Familiarity with CI/CD tools like Jenkins, Git.

Good-to-Have Skills:

1. Experience with XSLT to transform test result files or automate log query generation.
2. Knowledge of Postman / Swagger / REST Assured.
3. Experience working in Agile/Scrum environments.
4. Telecom domain knowledge, TMF frameworks.
5. AI skills to minimise manual work / Improve process.
6. High level knowledge on API gateway & Micro Services architecture.