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Senior QA Engineer - Automation - Contractual Role

techholding India, Remote


No Relocation

Posted: July 9, 2026

Job Description

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 post-release.
    • Collaborate on issue triaging and quick resolution.
Requirements
  • 5+ years of QA experience with strong focus on API and backend testing.
  • Hands-on experience with API testing tools (Postman, REST Assured, etc.).
  • Good to have experience with Playwright
  • Experience in test automation using JavaScript, Java, or Python.
  • Experience with SQL and database validation.
  • Knowledge of CI/CD pipelines and automation integration.
  • Understanding of HTTP protocols, REST APIs, and JSON.
  • Familiarity with error handling, retries, and distributed system behaviors.
  • Strong analytical, debugging, and problem-solving skills.
Good to Have
  • Experience with performance testing tools (JMeter, k6, etc.).
  • Exposure to Agile/Scrum methodologies.

Additional Content

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 post-release.
    • Collaborate on issue triaging and quick resolution.
Requirements
  • 5+ years of QA experience with strong focus on API and backend testing.
  • Hands-on experience with API testing tools (Postman, REST Assured, etc.).
  • Good to have experience with Playwright
  • Experience in test automation using JavaScript, Java, or Python.
  • Experience with SQL and database validation.
  • Knowledge of CI/CD pipelines and automation integration.
  • Understanding of HTTP protocols, REST APIs, and JSON.
  • Familiarity with error handling, retries, and distributed system behaviors.
  • Strong analytical, debugging, and problem-solving skills.
Good to Have
  • Experience with performance testing tools (JMeter, k6, etc.).
  • Exposure to Agile/Scrum methodologies.