Automation Test Engineer

• Knowledge: Advanced proficiency in tools like Postman or Insomnia to create test collections, automate API runs, and write pre-request scripts. Deep understanding of RESTful API architecture, HTTP status codes, JSON payload validation, and endpoint security including JWT authentication testing.
• Backend Automation: Experience writing automated backend tests using Supertest, Jest, or Mocha/Chai specifically within a Node.js/Express environment is required for this role.

2. Database Testing

• Knowledge: Must be able to write complex SQL queries including JOINs, subqueries, and aggregations to verify data integrity independently of the application logic.
• Data Validation: Ability to test database migrations, verify schema constraints, and ensure CRUD operations from the Express app reflect correctly in PostgreSQL databases.

3. Programming & Scripting

• Knowledge: Strong coding skills in JavaScript are essential for this position.
• Version Control: Proficiency with Git including branching, merging, and pull requests to work within existing repositories is mandatory.

4. Performance & Load Testing

• Knowledge: Experience with modern load testing tools like Artillery.io or k6 which are JavaScript-based and excellent for Node.js apps will be highly valued.
• Bottleneck Identification: Ability to simulate high traffic especially important for heavy telemetry or video data processing and identify whether the bottleneck is the Node.js server, the database, or the network.

Experience Requirements:

• 2-5 Years of relevant experience in QA Engineering.
• Must be located in Kolkata (Salt Lake, Sec V).
• Immediate joiners are preferred.
• Working knowledge with overseas clients is a must-have requirement for this role.