Hi, I'm Mahmudul Hasan

Software Quality
Assurance Engineer

Ensuring flawless digital experiences through meticulous testing, automated pipelines, and a passion for breaking things before users do.

3+

Years Experience

500+

Test Cases Written

60%

Regression Effort Saved

About Me

Bridging Dev & Quality

Bridging the gap between development and flawless user experiences through comprehensive quality assurance.

I am a results-oriented Software Quality Assurance (SQA) Engineer with 3+ years of hands-on experience in manual & automation testing across Web, iOS, and Android platforms.

Experienced in building effective test cases, developing automation frameworks with Playwright and Selenium, performing API validation, working in CI/CD environments, and doing database testing.

Strong team player in Agile/Scrum settings throughout the full software development lifecycle — from requirements gathering to post-release monitoring.

LocationDhaka, Bangladesh
AvailabilityOpen to Work/Freelance
LanguagesEnglish, Bengali
DegreeBSc in CSE — 3.59/4.00

Automation Testing

Building scalable frameworks using Cypress, Selenium, and Playwright.

API Testing

Ensuring backend reliability with Postman and REST Assured.

Performance Testing

Load and stress testing with JMeter and k6.

Manual Testing

Comprehensive exploratory and regression testing strategies.

Skills & Resume

Technical Expertise

A comprehensive overview of my technical capabilities and tools.

AutomationAPI TestingPerformanceSecurityManual

Skill Set

Web Automation

Playwright (Python)Selenium (Java)PythonJava

Mobile & API Testing

AppiumPostmanRESTful APIsLambdaTest

Database & Cloud

SQLMySQLAWS DynamoDBAWS LambdaS3S2

CI/CD & Tools

JenkinsJiraJMeterSDLCSTLC

Test Activities

Test PlansTest CasesTest ReportsExploratoryRegression

Testing Scope

WebiOSAndroidSecurity TestingPerformance Testing

Education

BSc in Computer Science & Engineering

Daffodil International University

2022

Higher Secondary Certificate (HSC)

Govt. Shah Sultan College

2016

Secondary School Certificate (SSC)

Faizullah High School

2014
Download Full Resume

Experience

Professional Journey

My journey building quality software across different organizations.

SQA Engineer

Cloudly Infotech Ltd.

08/2022 – Present
  • Authored, reviewed, and executed 500+ manual test cases for Web, iOS, and Android applications covering functional, regression, smoke, sanity, and exploratory testing.
  • Built and maintained end-to-end automation frameworks using Playwright (Python) and Selenium WebDriver (Java), reducing manual regression effort by 60% and improving release cycle efficiency.
  • Created mobile test suites using Appium for iOS and Android, achieving 80%+ coverage for critical user flows.
  • Conducted comprehensive API verification using Postman — validated RESTful endpoints, ran automated test collections, and confirmed response accuracy across microservices.
  • Performed database validation using MySQL and AWS DynamoDB to verify record integrity, query correctness, and system performance under load.
  • Ran performance and load testing using JMeter to identify bottlenecks and ensure application scalability under peak traffic conditions.
  • Managed defect tracking and test reporting in Jira — logged bugs with detailed reproduction steps, severity classification, and resolution tracking.
  • Integrated automated test pipelines into CI/CD workflows using Jenkins to enable automated test execution on every code commit and deliver rapid feedback to development teams.

Projects

Featured Work

A selection of automated frameworks, test suites, and QA solutions I've built.

InstaCircle

Mobile / SaaS

Jan 2023

End-to-end QA for a SaaS mobile platform (iOS & Android) connecting alumni, clubs, and organisations with Networking, Event Management, Job Posting, Fundraising, and Forum features.

  • Built manual & exploratory test cases for critical iOS/Android user flows.
  • Cross-browser and cross-device testing via LambdaTest.
  • API integrations validated using Postman; backend data consistency via SQL.
Playwright (Python)AppiumPostmanSQLLambdaTest
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Influence Mobile – Survey Platform

Web / API

Aug 2022

Web-based real-time survey platform with CPX Research and InnovateMR integration. Designed test plans and executed functional, regression, and integration tests across complex survey workflows and data pipelines.

  • Automated web UI scenarios using Selenium (Java).
  • Verified real-time data via AWS DynamoDB for accuracy and consistency.
  • Thorough API endpoint testing on survey provider integrations.
Selenium (Java)PostmanSQLAWS DynamoDBJira
Visit Site

Jexca

Community Management

2023

Mobile application platform designed to connect alumni of Jhenidah Ex-Cadets Association (JEXCA), providing features such as Networking, Event Management, Job Posting, Fundraising, and Voting. Supports Android and iOS applications.

  • End-to-end testing across Android and iOS builds.
  • Validated community features: event management, job posting, and fundraising flows.
  • API and database consistency testing for voting and networking modules.
AppiumPostmanSQLAndroidiOS
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Ocare

Digital Healthcare

2023

A daily health assistant application offering personalised digital healthcare solutions, including health tracking, reminders, wellness tips, and access to essential medical information to help users maintain a healthier lifestyle.

  • Functional and regression testing of health tracking and reminder modules.
  • API validation for medical data accuracy and response integrity.
  • Verified personalisation features across different user profiles.
AppiumPostmanManual TestingAPI Testing

CloudlyIO

Wordpress

2022 – Present

Cloud-based platform developed and maintained at Cloudly Infotech Ltd. Responsible for end-to-end QA including automated regression suites, performance benchmarking, and CI/CD pipeline integration.

  • Built Playwright automation framework reducing regression effort by 60%.
  • Performance testing with JMeter to benchmark API and load thresholds.
  • Integrated test runs into Jenkins CI/CD pipeline for continuous quality.
Playwright (Python)k6Manual TestingSecurity Testing
Visit Site

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Demo Projects

Interactive showcases of my automated testing architectures and results.

98% CoverageSelenium

E-Commerce UI Automation

Robust POM-based automation framework focusing on critical user journeys. Includes parallel execution, visual regression testing, and dynamic data handling for search and checkout flows.

SeleniumSeleniumJavaJavaTestNGTestNG
120+ Tests

API

SECURITY MOCKUP

API Security & Performance

Comprehensive test suite for RESTful microservices. Strategy includes payload validation, authentication/authorization checks, and stress testing for sub-second latency targets.

PostmanPostmanJSONJSONk6k6
500 VUsersJMeter

JMeter Performance Testing

Load and stress testing suite built with Apache JMeter. Covers throughput benchmarking, response time analysis, and bottleneck identification under concurrent user simulation.

JMeterJMeter
AndroidAppium

Appium Mobile Automation

Cross-platform mobile test automation for Android apps using Appium. Covers gestures, deep links, and native UI element interactions across multiple device configurations.

AppiumAppiumJavaJava
RegressionKatalon

Katalon Web Automation

Keyword-driven and hybrid test framework with Katalon Studio. Covers cross-browser UI automation, data-driven scenarios, and built-in reporting for regression suites.

KatalonKatalon
Full Docs

Manual Testing

End-to-end manual test documentation including test plans, test cases, bug reports, and traceability matrices following industry-standard QA processes.

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Blog

Technical Writings

Insights, tutorials, and deep dives into the world of Software Quality Assurance.

Contact

Get In Touch

Open to new opportunities and interesting projects. Let's build quality software together.