We are seeking an experienced Senior QA Engineer to test and validate offline-first MERN stack applications deployed on Azure cloud environments with CI/CD pipelines. The ideal candidate will have robust expertise in manual and automation testing, with a focus on ensuring data integrity, synchronization accuracy, application reliability, and performance under intermittent connectivity conditions.

Key Responsibilities Functional Integration Testing
- Perform end-to-end testing of MERN stack applications (React, Node.js, MongoDB).
- Validate frontend workflows, backend services, and API integrations.
- Design, execute, and maintain test plans, test cases, and test scripts.
- Ensure application functionality meets business and technical requirements.

Offline / Disconnected Testing
- Test applications under low-connectivity and no-connectivity conditions.
- Validate local data storage mechanisms such as IndexedDB and LocalStorage.
- Verify synchronization processes, conflict resolution, and data merging scenarios.
- Simulate real-world network conditions including latency, packet loss,



and intermittent connectivity.
- Ensure eventual consistency and data reliability across systems.

Azure Cloud CI/CD Testing
- Work with Azure DevOps pipelines to integrate automated testing.
- Validate application builds, deployments, and release processes.
- Perform testing on Azure services including App Services, Functions, and APIs.
- Ensure quality gates and testing standards within CI/CD pipelines.

Automation Testing
- Develop and maintain automation frameworks and test suites.
- Automate UI testing using Selenium, Cypress, or Playwright.
- Automate API testing using Postman, RestAssured, or Supertest.
- Integrate automated tests into CI/CD workflows.

Performance Reliability Testing
- Conduct load and performance testing during synchronization operations.
- Validate system behavior during bulk data synchronization and offline data accumulation.
- Utilize tools such as JMeter an

📌 Senior QA Engineer (Mumbai)
🏢 Victrix Systems & Labs
📍 Mumbai