A S M Sahl — QA Engineer

Expertise in Manual QA / Tester, QA Automation / Testing.

Last verified on June, 2026

Core Skills

Usability tests

3 yr.

Selenium

1 yr.

Playwright

1 yr.

JUnit

3 yr.

Bio Summary

3+ years in SaaS QA engineering with expertise in manual and automation testing using Selenium, Playwright, and Katalon Studio.
Proficient in Java, Python, JavaScript, TypeScript, C#, SQL, and test automation frameworks integrated with CI/CD pipelines (GitHub Actions, Jenkins).
Strong command of STLC, risk-based testing, shift-left principles, API validation (Postman), and defect lifecycle management using Jira and Linear.
Led QA for 3 SaaS products, designing 500+ reusable test cases covering 50+ features, achieving ~45% regression automation coverage.
Experienced in Agile methodologies, sprint coordination, mentoring junior engineers, and driving process improvements for release stability.

Technical Skills

Programming Languages	Java, JavaScript, Python, TypeScript
C++ Libraries and Tools	C/C++/C#
Data Analysis and Visualization Technologies	Talend
Databases & Management Systems / ORM	MySQL, SQL
UI Frameworks, Libraries, and Browsers	CSS, HTML
Amazon Web Services	AWS Lambda
Methodologies, Paradigms and Patterns	Agile, Scrum, STLC
QA, Test Automation, Security	Apache Maven, API testing, Appium, Browserstack, Cypress, JUnit, Playwright, QA Automation, Selenium, TestNG, Usability tests
SDK / API and Integrations	API testing
Third Party Tools / IDEs / SDK / Services	ClickUp
Platforms	ERP
Version Control	Git, Github Actions
Deployment, CI/CD & Administration	Jenkins
Collaboration, Task & Issue Tracking	Jira
Other Technical Skills	Enterprise Resource Planning, Linear algebra, POM

Work Experience

QA CONSULTANT - Valaure International (Pvt) Ltd (Internal Inventory Management System QA Process Establishment)

Duration: 2024 - 2025

Summary:

Established the first structured QA process for Valaure International, introducing standardized test analysis, design practices, defect management, and regression testing for an internal inventory management system
This project aimed to improve quality validation and test coverage across all features of the system

Responsibilities:

Developed and implemented standardized QA processes including test analysis, test design, and defect management guidelines.
Performed functional, end-to-end, and regression testing across multiple test levels.
Documented defects with clear reproduction steps and severity classification.
Communicated test progress and release readiness to stakeholders through test completion reports.

QA ENGINEER - SprintX Technologies (SaaS Products Quality Assurance and Automation)

Duration: May 2023 - Present

Summary:

Led QA activities across three SaaS products, managing full STLC including test planning, design, execution, and automation
Built and maintained a scalable testware suite and regression automation framework integrated into CI/CD pipelines to ensure high-quality releases

Responsibilities:

Owned full STLC activities including test planning, analysis, design, functional and exploratory testing, and risk-based regression strategy.
Designed and maintained over 500 reusable test cases covering 50+ features.
Conducted exploratory testing to identify critical edge cases and integration defects.
Performed cross-browser and cross-device testing using BrowserStack and LambdaTest.
Executed API validation with Postman as part of shift-left testing.
Managed full defect lifecycle using Jira and Linear.
Built and migrated regression automation frameworks using Katalon Studio, Selenium (Java, TestNG, Maven), and transitioned to Playwright and WebdriverIO.
Integrated automated tests into CI/CD pipelines with GitHub Actions and Jenkins.
Mentored junior QA engineers and acted as interim sprint coordinator.
Collaborated with developers on defect root cause analysis and confirmation testing.
Provided UI/UX feedback and participated in requirement reviews and static testing.

Technologies: Manual Testing, Selenium (Java, TestNG, Maven), Playwright, WebdriverIO, Katalon Studio, Appium, Cypress, GitHub Actions, Jenkins, BrowserStack, LambdaTest, Postman, Java, Python, JavaScript, TypeScript, C#, SQL, MySQL, HTML, CSS, Git, Jira, Linear, ClickUp

Education

HND in Software Engineering
Pearson College London, Awaiting Graduation
2024 - 2026
G.C.E. Advanced Level
Zahira College Colombo
Completed 2022

Certification

ISTQB CTFL v4.0 Certified
May 2026
LambdaTest Software Testing Professional
Sep 2024
LambdaTest Test Automation Professional
Sep 2024
Essentials Automation Certification
Automation Anywhere
Nov 2024
Katalon Practitioner Level
Sep 2023
Diploma in Applied Generative AI
Alison
Feb 2023

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