Senior System Tester

About the role

We are seeking a Senior System Tester to support quality assurance across complex systems. The role involves validating functionality, performance, and reliability in a high‑availability environment, ensuring high‑quality system delivery.

Key responsibilities

• Lead end‑to‑end testing activities, including test planning, analysis, design, implementation, execution, and closure.
• Design and execute test cases based on functional and technical requirements.
• Perform functional, integration, system, regression, and performance testing.
• Validate system integrations across multiple components and platforms.
• Analyze real‑time data flows and ensure accuracy and consistency across the system.
• Identify, log, and track defects, working closely with development teams to ensure timely resolution.
• Review requirements and system design documents to ensure testability and coverage.
• Support simulation and scenario‑based testing where applicable.
• Mentor junior testers and promote best practices in testing.
• Collaborate with cross‑functional teams including developers, stakeholders, and operations.
• Other testing duties as assigned.

Required profile

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum 8 years of relevant experience in system or software testing.
• Strong understanding of SDLC/STLC and QA methodologies.
• Basic to intermediate knowledge of database testing (e.g., SQL) and API testing concepts.
• Experience testing complex or mission‑critical systems.
• Experience with test management and defect tracking tools (e.g., JIRA, TestRail).
• Ability to work independently with minimal supervision and proactively drive tasks.
• Strong analytical, troubleshooting, and communication skills.
• Available to support night and after‑hours testing as required.

Required skills

• SQL
• API testing
• JIRA
• TestRail
• Selenium
• Python (for automation frameworks)
• Performance testing tools
• Load testing tools
• ISTQB certification