Senior Web Automation QA Engineer / Senior SDET (Web Platforms)

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives.   Come join the excellence! Overview Develops, integrates and implements applications components including front-end development, server-side development and database integration. Plays a direct role in programming, maintenance, technical support, documentation and administration of web-centric applications. Responsibilities Role Summary The Senior Web Automation QA Engineer (Senior SDET) is responsible for ensuring the quality, reliability, scalability, and security of web-based platforms, portals, and APIs deployed on cloud infrastructure (AWS) , Hybrid and On-Prem Infrastructure. The role emphasizes automation-first testing, designing and maintaining robust web automation frameworks, validating complex end-to-end user journeys (including multi-step booking and payment flows), and enabling fast, repeatable regression in CI/CD pipelines across cloud environments. This position also leverages AI-assisted test engineering (e.g., Claude or similar LLMs) to accelerate test design and debugging, while demonstrating strong judgment to identify incorrect AI suggestions (false positives/hallucinations) and override them using engineering experience, logs, and evidence. Key Responsibilities Web, API & Cloud Quality Engineering Design and execute comprehensive functional, regression, integration, and negative tests for web applications hosted on AWS , Hybrid and On-Prem platforms. Validate end-to-end workflows spanning UI ↔ API ↔ backend services, including authentication/authorization, data integrity, and error handling in cloud environments. Validate deployments across environments (DEV/QA/STAGE) hosted on various Infrastructure, including configuration and environment-specific behaviors. Automation Frameworks & Regression Acceleration Build and maintain code-based web automation using modern web automation frameworks such as Selenium/WebDriver, Playwright, or similar tools. Implement maintainable automation patterns (Page Object/Component models, reusable utilities, stable selector strategies) that withstand frequent UI changes. Produce actionable test artifacts (HTML/JUnit-style reports, screenshots, traces) and maintain evidence for all test scenarios. Cloud & Infrastructure Awareness (AWS) Test and automate applications deployed on AWS infrastructure, Hybrid, and On-Prem Infrastructure, with understanding of cloud-native, and hybrid behaviors and dependencies. Work with AWS services such as EC2, S3, RDS/Aurora, CloudWatch, IAM, and load balancers at a functional and testing level. Validate application behavior during scaling events, configuration changes, and environment refreshes in the cloud. Perform database validation and test data verification using cloud-hosted databases (RDS/Aurora/PostgreSQL/MySQL or similar). CI/CD Integration & Engineering Excellence …