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Sr. QA Tester -Kolkata

Indus Net Technologies Ltd โ€ข Bidhannagar, West Bengal, India

onsitefull-time
Posted Feb 16, 2026

Role & seniority: Senior Manual QA Tester (8+ years experience)

Stack/tools: Web + Backend manual testing; SQL (data validation, joins); REST API testing (Postman); basic reading of C#/.NET code; Git (basic); overlap with CET

Top 3 responsibilities

  • Conduct thorough manual testing of web applications and backend systems; design and execute detailed test cases, scenarios, and plans; document findings and knowledge for the team

  • Analyze high-level requirements, explore applications, and validate functionality against business understanding

  • Perform SQL data validation and REST API testing; review basic C#/.NET code for validation/debugging; maintain deliverables within timelines

Must-have skills

  • 8+ years in Manual Testing (Web + Backend)

  • Strong SQL knowledge (queries, joins, data validation)

  • REST API testing experience (Postman)

  • Ability to read basic C#/.NET code; Git basics

  • Strong analytical/problem-solving skills; solid English communication; independent, proactive work style

Nice-to-haves

  • Automation testing (Selenium / Cypress / Playwright)

  • Experience with Azure DevOps

  • Knowledge of Microservices / RabbitMQ; Docker

  • Experience with European clients

Location & work type

  • Kolkata, India; Full-Time, 5 days per week in-office

  • Immediate to 30 days joiner; face-to-face final interview in Kolkata; long-term association expected

Full Description

Job Title: Senior Manual QA Tester

Experience: 8+ Years

Location: Kolkata (Work from Office โ€“ 5 Days a Week)

Employment Type: Full-Time

Notice Period: Immediate to 30 Days Only

Interview Mode: Final Round โ€“ Face to Face (Kolkata Office Mandatory) About the Role Indus Net Technologies is looking for a highly independent and experienced Senior Manual QA Tester to join our development team. We are seeking a self-driven professional who can quickly understand complex systems, work with minimal supervision, and contribute effectively in a structured and proactive manner. The ideal candidate must be analytical, detail-oriented, and capable of testing features even when specifications are high-level. Excellent communication skills are mandatory. Key Responsibilities Independently study onboarding materials and system documentation Explore applications and develop a strong functional understanding before raising queries Retain and utilize context from daily/refinement discussions during testing cycles Perform thorough manual testing of web applications and backend systems Test features based on high-level requirements and business understanding Write and execute detailed test cases, test scenarios, and test plans Document findings, processes, and system knowledge for future team reference Perform SQL queries including joins for data validation Conduct REST API testing using Postman Review and understand basic C#/.NET code for validation and debugging Use Git for version control (basic operations) Ensure high-quality deliverables within timelines Maintain 3โ€“4 hours overlap with CET time zone Mandatory Skills 8+ years of experience in Manual Testing (Web + Backend) Strong SQL knowledge (queries, joins, data validation) Hands-on experience in REST API testing (Postman) Ability to read and understand C#/.NET code (basic level) Git basics Strong analytical and problem-solving skills Very good English communication skills (verbal and written) Reliable, structured, and proactive work approach Ability to work independently with minimal supervision Nice to Have Automation testing experience (Selenium / Cypress / Playwright) Experience with Azure DevOps Knowledge of Microservices architecture / RabbitMQ Docker knowledge Experience working with European clients Additional Requirements Immediate to 30 days joiners only Must be willing to work 5 days from office (Kolkata) Mandatory availability for face-to-face final interview round at Kolkata office Looking for long-term association Interested candidates meeting the above criteria are encouraged to apply.

Manual TestingWeb TestingBackend TestingSqlJoinsData ValidationRest Api TestingPostmanC#.NET Code ReadingGitAnalytical SkillsProblem-SolvingEnglish CommunicationCet OverlapIndependent Workmulti-location

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