About us:

Working at Tech Holding isn't just a job, it's an chance to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability.

About the Role
We are looking for a Senior QA Engineer (SDET) to support a critical automation projects. This role will focus on API testing, automation, and end-to-end quality assurance across the transaction lifecycle.
Role: Contratual role
Exp: 5 yrs

Key Responsibilities
- API Testing
- Perform API testing for integrations using tools like Postman / REST clients.
- Test routing logic.
- Test Automation & Quality Engineering
- Extend and maintain automated test suites workflows and APIs.




- Build API automation frameworks (using JavaScript, Java, or Python).
- Integrate automated tests into CI/CD pipelines for continuous validation.
- Functional & Edge Case Validation
- Test success, failure, and edge-case scenarios (timeouts, retries, duplicate transactions).
- Validate idempotency and error handling mechanisms.
- Perform exploratory and manual testing for complex workflows.
- Data Validation & Reconciliation
- Validate transaction data across APIs and databases.
- Write and execute SQL queries for backend validation.
- Performance & Reliability Testing
- Conduct basic load and performance testing for payment APIs.
- Validate system behaviour under high transaction volume.
- Monitor and report latency, failure rates, and retries.
- Production Rollout & Monitoring
- Support production deployment validation and pilot rollout.
- Monitor transaction success rates and error logs

📌 Senior QA Engineer (India)
🏢 Tech Holding
📍 India