Hi, I'm MEJBAUR BAHAR

Senior Software Engineer QA

QA Automation & AI Testing Specialist.
Expert in Playwright, Selenium, Cypress, and CI/CD pipelines. Skilled in testing TTS, NLP, and AI models.

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About Me

Professional Summary

Senior Software QA Engineer with 5+ years of experience in manual, automation, API, performance, security, and AI/ML testing. Expert in Playwright, Selenium, Cypress, and CI/CD pipelines.

Skilled in testing TTS, NLP, and AI models, ensuring robustness, bias mitigation, and security compliance. Proven record of reducing defect leakage by 20% and cutting regression time by 35% through effective test strategies and team leadership.

05+ Years
experience
20+ Completed
projects
06 Companies
worked
Download Resume

Skills & Expertise

My Technical Arsenal

Testing & QA

Manual & Automated
Manual Testing API (Postman, Swagger) Regression E2E Mobile Cross-browser Database (MySQL)

Automation

Frameworks & Tools
Playwright Selenium Cypress Appium TestNG PyTest JUnit

AI/ML Testing

AI & LLM Assurance
Model Validation Bias & Fairness Prompt Injection LLM Security Hugging Face LangTest Promptfoo

Performance

Load & Stress Testing
JMeter K6 Locust

Security

Vulnerability Assessment
Burp Suite OWASP ZAP Nuclei SQLMap Nikto Wfuzz

Tools

DevOps & Management
Git/GitHub Jira Trello YouTrack OpenProject Docker CI/CD (GitHub Actions, Jenkins)

Programming

Languages
Python JavaScript TypeScript Bash

Methodologies

Process
Agile Scrum Test Case Design BDD/TDD

Qualification

My Journey
Education
Work
Awards

BSc in CSE

Bangladesh University
09/2017 – 08/2021
CGPA: 3.74 / 4.00

Senior Software Engineer QA

Markopolo.ai
Nov 2025 – Present

• Lead QA for AI-driven TTS models.
• Architect scalable test automation frameworks & CI/CD.
• Mentor QA team & validate model accuracy & prompt injection.

Software Engineer in Test (L2)

Developer Experience Hub
Aug 2023 – Oct 2025

• QA automation, security assurance, & functional testing.
• Validated AI-driven apps for bias & adversarial inputs.

Jr Software QA Engineer

Developer Experience Hub
Aug 2022 – Aug 2023

• Functional testing & analysis.
• Collaborated with cross-functional teams.

Software QA Engineer (Internship)

Developer Experience Hub
Mar 2022 – Jul 2022

Software Testing

GAOTek Inc.
Dec 2021 – Feb 2022

Software Testing

Orion Informatics Ltd
May 2021 – Jul 2021

1st Runner-up Programming Contest

CSE Family Fest 2018
01/01/2018

Top 1000 Rank on Try Hack Me

#770 Worldwide! #12 in Bangladesh
07/2025

Bug Bounty

Security Achievements

NASA

• Improper Handling of X-Forwarded-Host Header

• Sensitive Internal Data Publicly Accessible via NASA Website

ChatGPT

• Business Logic Vulnerability: Message Limit Bypass

nsw.gov.au

• 403 Bypass via Different Request Method

Portfolio

Recent Projects

Fagun Playwright Test Automation Framework

Test automation framework built with Playwright and TypeScript, following ISTQB standards.

08/2025 – Present

View Code
KoyJabo Project

KoyJabo.com – Smart Transport Guide

Web platform for finding bus routes, fares, and transport guidance in Dhaka with offline support.

12/2025 – Present

View Project
Bugs Matrix Project

Bugs Matrix SQA Testing Tools Hub

All-in-one browser extension designed to streamline software testing workflows.

01/2024 – 08/2025

View Tool
Fagun XSS Recon Project

Fagun XSS Recon

Automated recon and filtering toolkit for XSS testing, automating parameter discovery and deduplication.

04/2025 – 12/2025

View Tool

Certifications

Professional Learning

Certified Ethical Hacker (CEH)

Certified AppSec Practitioner (CAP)

Advanced Appium

Automated Visual Testing with Appium

LambdaTest Test Automation Professional

Codeless Test Automation

Contact Me

Get in Touch

LinkedIn

@mejbaur