Senior QA Engineer / SDET with 14+ years of experience delivering high-quality software across web, mobile, and enterprise platforms. Strong background in both manual and automation testing, with deep expertise in SDLC, STLC, and defect lifecycle management across Agile environments. Proven ability to quickly understand complex systems, identify defects, and ensure quality across distributed architectures. Experienced in API, UI, and performance testing, with hands-on debugging using network tools and strong understanding of how applications behave across different network environments. Specialties: Test Automation (Web & Mobile) | Manual Testing | Network-Aware Testing | JavaScript | TypeScript | C# | WebdriverIO | Cypress | Cucumber | Playwright | Appium | API Testing (REST) | Charles Proxy | Node.js | Mono Repo / NX | React | CI/CD | Percy.io

Emmalyn Ngoka

Senior QA Engineer / SDET with 14+ years of experience delivering high-quality software across web, mobile, and enterprise platforms. Strong background in both manual and automation testing, with deep expertise in SDLC, STLC, and defect lifecycle management across Agile environments. Proven ability to quickly understand complex systems, identify defects, and ensure quality across distributed architectures. Experienced in API, UI, and performance testing, with hands-on debugging using network tools and strong understanding of how applications behave across different network environments. Specialties: Test Automation (Web & Mobile) | Manual Testing | Network-Aware Testing | JavaScript | TypeScript | C# | WebdriverIO | Cypress | Cucumber | Playwright | Appium | API Testing (REST) | Charles Proxy | Node.js | Mono Repo / NX | React | CI/CD | Percy.io

Available to hire

Senior QA Engineer / SDET with 14+ years of experience delivering high-quality software across web, mobile, and enterprise platforms. Strong background in both manual and automation testing, with deep expertise in SDLC, STLC, and defect lifecycle management across Agile environments.
Proven ability to quickly understand complex systems, identify defects, and ensure quality across distributed architectures. Experienced in API, UI, and performance testing, with hands-on debugging using network tools and strong understanding of how applications behave across different network environments.
Specialties:
Test Automation (Web & Mobile) | Manual Testing | Network-Aware Testing | JavaScript | TypeScript | C# | WebdriverIO | Cypress | Cucumber | Playwright | Appium | API Testing (REST) | Charles Proxy | Node.js | Mono Repo / NX | React | CI/CD | Percy.io

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

QA Engineer at CampusMum
June 1, 2025 - Present
Build, lead and mentor a team of QA engineers; develop and implement automated tests for web and mobile applications; define testing requirements and priorities; coordinate test execution, defect tracking and reporting; establish testing environments; drive QA best practices; set up automation framework from scratch for web and mobile/browser testing; train manual QAs in automation; set up CI/CD for end-to-end QA tests; work within a mono repo architecture (Angular/React/TypeScript) with Playwright, Cypress, and Cucumber-based BDD tests.
SDET / Performance Test Engineer at 7IM
January 1, 2025 - July 1, 2025
Performed performance, load and stress testing during migration from legacy systems to a cloud-based trading platform; analyzed system behavior under load, identified bottlenecks and performance issues; monitored API response times, throughput and stability across distributed environments; supported investigation of API/connectivity issues and contributed to UI automation for critical trading workflows.
QA Tester Web/Mobile at Virgin Media O2
April 1, 2024 - January 1, 2025
Worked in an Agile team testing and improving mobile and web applications in a telecom environment; created and executed test cases for functional, regression and API testing; logged defects in Jira; investigated network-related issues and tested across network conditions; used Charles Proxy to analyse traffic; contributed to automation using WebdriverIO, Appium and Playwright; performed performance testing with JMeter/BlazeMeter; supported CI/CD pipelines and cross-browser/device testing; ensured WCAG accessibility across apps.
Senior Blockchain Data Tester at Anglo American
August 1, 2022 - March 1, 2024
Led offshore QA team for manual and automation testing on a blockchain-based platform for eMarkets, Sustainability, Traceability and Supply Chain; defined test objectives, strategies and plans; created and managed test scripts; defect reporting and coordination across cross-functional teams; coached developers to focus on testability; managed CI/CD processes and automation framework from scratch.
Test Engineer at ManyPets Insurance
April 1, 2022 - September 1, 2022
Wrote automation tests for API and UI; contributed to setting up automation framework from API and UI using Postman and Playwright; participated in CI/CD for QA end-to-end tests; performed code reviews on automation scripts for UI and API; engaged in agile ceremonies and cross-functional collaboration.
Test Manager at Vodafone
September 1, 2021 - March 1, 2022
Offshore QA team leadership for manual and automation testing; defined testing objectives and strategies; created and managed test scripts; defect tracking and escalation; resource management; coached teams on automation adoption; led UAT, load/stress, penetration testing and integration testing.
Senior SDET Mobile Apps and Website at Coinburp
April 1, 2021 - September 1, 2021
Senior SDET for Web, Mobile and API testing of a cryptocurrency trading platform; set up test framework using Cypress, Appium, WebdriverIO and Newman; wrote BDD test scripts for API, mobile and web; authored test documentation and reports; implemented CI/CD via GitHub.
Mobile QA Engineer - Native Apps at Future Platforms
September 1, 2020 - March 1, 2021
Tested multiple native mobile apps; performed exploratory, manual and automated testing using Cucumber (BDD) across Android and iOS; created/maintained test scripts; logged defects and collaborated with devs; used Charles Proxy for network inspection and API debugging; performed network-condition testing; utilized Crashlytics/TestFlight/Firebase for monitoring and release testing.
Senior Software Developer in Test at Mortgage Engine
January 1, 2019 - July 1, 2020
Automated UI and API testing for a web/AI chatbot project; authored Cucumber/Gherkin tests; built test frameworks from scratch; implemented CI/CD with Azure and Git; performed manual and exploratory testing; contributed to automation strategy and test planning.
Test Manager at Clear Channel
March 1, 2016 - December 1, 2018
Defined end-to-end test strategy for rapid development of advertising/Programmatic platforms; managed automation framework development and onboarding; coordinated with suppliers and cross-functional teams; led data/testing (Azure, Power BI) and cloud-based validation.
Test Lead QA Web/ Mobile at HOME RETAIL GROUP - Argos
March 1, 2015 - March 1, 2016
Manual and automation testing for multi-channel ecommerce ecosystem; collaborated with developers, Scrum Master and UX/QA stakeholders; authored and executed test cases; performed API interception/debugging with Charles/Fiddler; automated regression with Selenium/Java; configured Jenkins for CI; contributed to test documentation and process improvements.
Web/Mobile QA Tester at McDonald's Corporation
August 1, 2014 - March 1, 2015
Manual and automation testing for POS, tablets and GMO mobile app; led GMO testing as test lead; travel to multiple sites to support testing; delivered test plans, execution and defect management; automated regression using Eggplant/Selenium; managed test environments and release readiness.
QA Analyst/Helpdesk Analyst at IMS Health UK
August 1, 2012 - July 1, 2014
IT support across 600+ pharmacies; troubleshot software and network issues; incident logging/escalation; supported AD/Windows Server environments; DNS, VPN, and remote access troubleshooting; basic testing to ensure stability after updates.
1st Line Helpdesk Analyst at Capita Education Services
August 1, 2006 - July 1, 2008
Provided IT helpdesk support for education sector clients; on-boarding and off-boarding, basic testing, and issue resolution; maintenance of internal IT systems.

Education

BSc Information Systems at Brunel University
January 1, 2002 - January 1, 2006
GNVQ Advanced in Retail and Distribution at Barking College
January 1, 1999 - January 1, 2000
GCSE at Federal Government Secondary
January 1, 1993 - January 1, 1998
Selenium Web Testing with Java at Samsung Academy
January 11, 2030 - April 22, 2026
Machine Learning and AI with Python at HarvardX
January 11, 2030 - April 22, 2026

Qualifications

ISEB ISTQB Foundation Certificate in Software Testing
January 11, 2030 - April 22, 2026
Service Desk Professional Certification
January 11, 2030 - April 22, 2026
Selenium Web Testing with Java
January 11, 2030 - April 22, 2026
Service Desk Professional Certification
January 11, 2030 - April 22, 2026
ISEB ISTQB Foundation Certificate in Software Testing
January 11, 2030 - April 22, 2026
Machine Learning and AI with Python
January 11, 2030 - April 22, 2026

Industry Experience

Software & Internet, Telecommunications, Financial Services, Media & Entertainment, Professional Services