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fagun18/README.md

Mejbaur Bahar Fagun πŸ‘¨β€πŸ’»

Software Engineer in Test (II) | Certified Ethical Hacker | Bug Bounty Hunter | Automation & Security Specialist

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🌟 Professional Summary

Results-driven Software Engineer in Test (L2) with over 4 years of expertise in end-to-end software quality assurance, encompassing manual testing, automation frameworks, API validation, performance benchmarking, and security penetration testing. Proficient in tools like Playwright, Selenium, Cypress for automation; JMeter and K6 for performance; and Burp Suite, OWASP ZAP, Nuclei, SQLMap for security. Excel in Agile/Scrum environments, CI/CD integration with GitHub Actions, and cross-functional collaboration to deliver resilient, high-performance applications. Proven track record: Reduced defect leakage by 20% through strategic test planning and slashed regression testing time by 35% via optimized automation pipelines. Aligned with 2025 trends like AI-driven testing, Shift-Left methodologies, and QAOps for proactive quality engineering.


πŸ” Testing Expertise & Alignment with 2025 Trends

In the evolving landscape of software testing, I focus on integrating cutting-edge practices to ensure software excellence. Drawing from industry trends in 2025, my approach emphasizes:

  • AI & ML in Testing: Leveraging AI for predictive defect analysis and automated test generation, aligning with Agentic AI and AI Shift-Right trends to enhance user-centric quality.
  • Shift-Left & QAOps: Embedding testing early in the SDLC and integrating QA with DevOps for faster feedback loops, reducing time-to-market.
  • Codeless/Low-Code Automation: Utilizing tools like Selenium IDE for rapid prototyping, complementing my core automation skills.
  • API & IoT Testing: Comprehensive API validation with Postman/Swagger and readiness for IoT ecosystems, ensuring scalability and interoperability.
  • Cybersecurity Focus: Ethical hacking and security testing to address rising threats, including blockchain and big data vulnerabilities.
  • Performance & Big Data Testing: Optimizing with JMeter/K6 to handle massive datasets and real-time performance demands.
  • Ethical AI & Collaboration: Promoting inclusive testing practices and partnering with data scientists for robust QA strategies.

This forward-thinking methodology positions me to drive innovation in QA teams, fostering "Everyone is QA" cultures where quality is a shared responsibility.


πŸ› οΈ Technical Proficiency Matrix

Category Key Skills & Tools Proficiency Level Alignment to Trends
Automation & Functional Testing Playwright, Selenium, Cypress, Appium, Cucumber, TestNG, JUnit Expert AI-Driven Automation, Codeless Tools
API Testing Postman, Swagger Advanced API Automation Surge
Performance Testing JMeter, K6 Advanced Big Data & IoT Optimization
Security Testing Burp Suite, OWASP ZAP, Nuclei, SQLMap, XSStrike, Dalfox, Nmap Expert Cybersecurity Emphasis
Programming Languages Python, JavaScript, TypeScript, Bash, Java, C Proficient Versatile Scripting for Trends
DevOps & CI/CD Git, GitHub, Docker, Jenkins, GitHub Actions Advanced QAOps Integration
Project Management Jira, Trello, YouTrack Proficient Agile & Collaborative QA
Other QA Skills Manual Testing, Test Case Design, Regression, Database Testing, Mobile Testing, Agile Methodologies Expert Shift-Left & Comprehensive Coverage

Tech Icons JMeter K6 Burp Suite OWASP ZAP Nuclei SQLMap


πŸ“… Career Journey

Professional Experience (Click to Expand)
  • Software Engineer in Test (L2) @ Developer Experience Hub, Rajshahi (Aug 2023 – Present)
    Orchestrated QA automation, security assurance, performance tuning, and functional testing. Implemented test strategies in Agile setups, ensuring reliable product releases.

  • Jr. Software QA Engineer @ Developer Experience Hub, Rajshahi (Aug 2022 – Aug 2023)
    Conducted in-depth testing and analysis for product quality. Collaborated cross-functionally to resolve issues and facilitate successful launches.

  • Software QA Engineer (Intern) @ Developer Experience Hub, Rajshahi (Mar 2022 – Jul 2022)
    Identified bugs through rigorous testing, developed test cases, and partnered with developers.

  • Software Tester @ GAOTek Inc., NY, USA (Dec 2021 – Feb 2022)
    Managed test planning, execution, and defects; enhanced user experience via team synergy.

  • Software Tester (Mobile & Payment Systems) @ Orion Informatics Ltd, Dhaka (May 2021 – Jul 2021)
    Secured mobile payment apps, optimizing functionality, performance, and usability.

Education & Certifications (Click to Expand)
  • BSc in Computer Science & Engineering
    Bangladesh University (Sep 2017 – Aug 2021)
    CGPA: 3.74/4.00 | Specialization: Computer Programming

  • Certifications:

    - Certified Ethical Hacker (CEH, EC-Council) - Selenium Professional (Udemy) - OWASP Top 10 - Playwright Automation - Cybersecurity for Businesses: Fundamental Edition - Codeless Test Automation with Selenium IDE

πŸ† Achievements & Honors

  • πŸ₯ˆ 1st Runner-Up, Programming Contest @ CSE Family Fest 2018, Bangladesh University
  • 🌍 Top 1000 on Try Hack Me (#990 Worldwide)
  • πŸ›‘οΈ Reported 15+ Critical Vulnerabilities (XSS, SQLi, CSRF) across HackerOne, Bugcrowd, OpenBugBounty
  • πŸš€ Engineered Hybrid Automation Frameworks: 40% Execution Speed Boost, 35% Regression Time Reduction
  • πŸ› Top 5% on Bugcrowd; Resolved 20+ High-Severity Issues
  • πŸ‘¨β€πŸ’» Developed 10+ Open-Source Testing Tools, Adopted by 500+ Developers Globally

GitHub Trophies


πŸ”’ Bug Bounty & Security Portfolio

  • HackerOne: Uncovered critical flaws in fintech platforms.
  • Bugcrowd: 80% of reports classified as high/critical severity.
  • OpenBugBounty: Safeguarded 50+ websites from exploitation risks.

πŸ“ˆ GitHub Analytics

GitHub Stats Contribution Streak

Top Languages


πŸš€ Signature Projects

Project Name Description Tech Stack Key Impact Repository
Bug Matrix 🐞 – SQA Testing Tools Hub Fully free comprehensive browser extension for testers with tools for testing, test data generation, security payloads, OSINT, and more. One-stop solution for manual testing, automation, API, performance, security. JavaScript, Chrome Extensions Streamlined workflows for QA professionals; Free and open for community use.
Bug Matrix Image
Chrome Store
Bugs Matrix SQA Testing Tools Hub All-in-one browser extension streamlining QA workflows with integrated testing tools. Playwright, JavaScript, Chrome Extensions Accelerated testing cycles for teams; Open-source contribution to QA community. GitHub
Sharp Archive Automation Automated data processing pipeline for efficient archiving. Selenium, Python 50% reduction in manual data handling time; Supports big data trends. GitHub
Website Comparison Tool Advanced tool for structural and content diff analysis. JavaScript, Node.js Enhanced regression testing efficiency in web apps. GitHub
Security Automation Tool CLI-based vulnerability scanner for rapid security audits. Python, SQLMap, Nuclei 2k+ downloads; 50% faster scans aligning with cybersecurity trends. GitHub
Test Automation Framework Scalable E2E framework with CI/CD hooks. Selenium, Playwright, GitHub Actions Achieved 95% test coverage; Exemplifies QAOps. GitHub
Bug Bounty Scripts Suite of reconnaissance and vuln discovery scripts. Bash, Dalfox, Nmap 1.5k stars; Empowers ethical hackers worldwide. GitHub
API Security Tester Automated scanner for API vulnerabilities. Postman, OWASP ZAP Detected 10+ critical API flaws; Supports API automation trends. GitHub

Fun Project Octocat GIF


🀝 Community Involvement & Leadership

  • Campus Ambassador @ Team Matrix - Elite Hacker (Jan 2022 – Feb 2024)
    Empowered 100+ students with free QA and security resources, fostering collaborative learning environments.

  • Leadership Highlights:

    • Led 8-member SQA team: Enhanced test coverage, reduced defect leakage by 20% via efficient planning.
    • Automation Team Lead: Drove framework development and CI/CD, cutting regression time by 35%.

Committed to mentoring aspiring testers and contributing to open-source QA projects.


πŸ”‘ SEO Keywords for Discoverability

To optimize for searches related to software testing: software testing, QA engineer, automation testing, Selenium, Playwright, Cypress, API testing, performance testing, security testing, bug bounty, ethical hacking, CEH certified, Burp Suite, OWASP ZAP, JMeter, K6, Postman, GitHub Actions, Agile QA methodologies, test automation frameworks, bug hunting tools, penetration testing, vulnerability scanning, CI/CD integration, regression testing, manual testing, mobile testing, database testing.


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Last Updated: August 27, 2025

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