Looking for a job

Muhammad Umair

@muhammadumair29

Message

I test ecommerce, browser extension, and API journeys that make customer experiences reliable.

Pakistan

Message

What I'm looking for

I’m looking for QA-focused work where I can validate web, ecommerce, browser-extension, and API experiences, investigate issues across product layers, and collaborate with distributed Agile teams. I’m open to remote work and relocation.

At CouponFollow’s Cently, I tested coupon and checkout journeys across thousands of ecommerce sites and expanded compatibility by 1,000+ merchants.

I trace failures across UI, network, REST API, and database layers, using Chrome DevTools, Postman, SQL, and reproducible defect reporting to validate fixes.

I’ve also built and tested Swagger/OpenAPI documentation, React and TypeScript extension changes, Manifest V3 workflows, and Jest coverage for coupon behavior.

Earlier, I developed and tested Shopify and WordPress storefronts, including cross-browser and mobile customer journeys, responsive layouts, and checkout-related interactions.

Experience

Work history, roles, and key accomplishments

Operations Specialist

CouponFollow (Cently)

Aug 2022 - Jun 2026 (3 years 10 months)

Executed functional, exploratory, regression, release and end-to-end testing for Cently across thousands of ecommerce sites, validating coupon detection and application, error states, cart behavior and checkout journeys. Expanded Cently compatibility by 1,000+ merchants by designing and validating CSS selectors/XPath, DOM rules, API-driven logic and site-specific workflows.

Frontend Extension Developer

CouponFollow (Cently)

Aug 2022 - Jun 2026 (3 years 10 months)

Developed and tested browser extension features, including React/TypeScript and Manifest V3 changes, and added Jest coverage for coupon detection, application and error handling. Supported QA and production deployments through Azure DevOps, investigating pipeline and test failures and recording defects in Jira, Confluence and Notion.

React TypeScript Manifest V3 Jest Chrome extensions Azure DevOps CI CD Jira Confluence Notion

Backend Engineer

CouponFollow (Cently)

Aug 2022 - Jun 2026 (3 years 10 months)

Created and maintained Postman collections for REST API smoke and end-to-end testing, and developed, deployed and tested Swagger/OpenAPI documentation for backend services. Designed and reviewed SQL queries to inspect and validate data supporting critical product flows.

Postman Postman API Collections REST API Testing Swagger OpenAPI API Documentation SQL SQL Server Atlan Query Editor Data Validation

Shopify & WordPress Developer

Freelance

Jan 2020 - Dec 2022 (2 years 11 months)

Delivered Shopify and WordPress engagements for Fiverr and local clients, from store setup and page development to theme customization, issue resolution and final handoff. Diagnosed and fixed theme, layout and frontend issues across client stores using Liquid, HTML, CSS and JavaScript.

Shopify WordPress Liquid HTML CSS JavaScript Theme Customization Responsive Design Cross Browser Testing Mobile Web Testing Functional Testing

Shopify Engineer

Black & Black (now LifeTech)

Nov 2021 - Aug 2022 (9 months)

Developed responsive Shopify storefronts and reusable theme sections using Liquid, HTML, CSS, JavaScript and metafields. Functionally tested product and collection pages, metafield integrations, responsive layouts and customer-facing storefront interactions across desktop and mobile views.

Shopify Liquid HTML CSS JavaScript Metafields BrowserStack Cross Browser Testing Mobile Web Testing Responsive Design Functional Testing

Frontend Developer Intern

Markloops

Jul 2021 - Oct 2021 (3 months)

Implemented responsive pages from UI designs using HTML, CSS and JavaScript, then verified layout and behavior across browsers and screen sizes. Reproduced and fixed frontend defects under senior review.

HTML CSS JavaScript Responsive Design Cross Browser Testing Debugging