Hire the Best Black Box Testers

I'm a detail-oriented professional with 5+ years of experience supporting software teams and clients through documentation, communication, organization, and quality assurance. In addition to my technical background, I have extensive experience coordinating meetings, organizing inboxes, managing documentation, tracking tasks, and communicating with stakeholders and customers. My goal is to help busy founders and small businesses stay organized and free up their time so they can focus on growing their business. Services I provide: • Inbox and email management • Meeting notes and action item tracking • Calendar and scheduling assistance • Customer support • Data entry and spreadsheet organization • Documentation and SOP creation • Project coordination • Research and administrative support • Jira and task management • QA testing and software support I pride myself on being reliable, organized, communicative, and proactive. Whether you need ongoing support or help with a one-time project, I'd love to help.

With over 9 years of experience in software testing and business analysis, I help clients deliver high-quality, reliable software that meets both business and user expectations. My background combines hands-on QA expertise, business analysis skills, and internationally recognized certifications. In addition to project work, I am also a software testing instructor. I’ve trained over 300,000 students worldwide through Udemy and private bootcamps, teaching ISTQB certificates preparation, manual testing, Test Automation, and performance testing. This teaching background means I can communicate clearly, explain complex issues simply, and document processes in a structured way — skills that directly benefit my QA work with clients. 🎓 Certifications ✅ Project Management Professional (PMP) ✅ CAPM® – Certified Associate in Project Management ✅ ISTQB Advanced Level Test Manager ✅ ISTQB Advanced Level Test Analyst ✅ ISTQB Artificial Intelligence Tester ✅ ISTQB Test Automation Engineer ✅ ISTQB Performance Testing Specialist ✅ ISTQB Mobile Application Tester ✅ ISTQB Agile Technical Tester ✅ ISTQB Agile Tester ✅ ISTQB Automotive Software Tester ✅ ASTQB IoT & Mobile Tester ✅ ISTQB Foundation Level Certified Tester ✅ BCS Certified Business Analyst Technical Skills: My practical experience encompasses several industry-leading tools and technologies: ✅ Agile Project Management: Jira ✅ Test Case Writing: Zephyr Scale ✅ API Testing: Postman ✅ Performance Testing: Apache JMeter ✅ Test Automation: Selenium WebDriver & TestNG 🛠 Technical Skills • Agile Project Management: Jira, Azure DevOps • Test Design & Management: Zephyr Scale, Qase.io, TestRail, Testlodge • API Testing: Postman • Performance Testing: Apache JMeter • Automation Testing: Selenium WebDriver, TestNG 📱 Device Coverage (Real Physical Devices) • iOS/iPadOS: iPhone 13 Pro Max, iPhone 14 Pro, iPhone X, iPad Mini 6th Gen, iPad Pro 12.9” • Android: Samsung Galaxy A52s 5G, Samsung Galaxy A53 5G, Samsung Galaxy M11, Galaxy A32, Huawei Y9 Prime, Xiaomi Poco X5 Pro, Realme C17, Redmi 10C This allows me to test apps across multiple devices, screen sizes, and OS versions, ensuring accurate results. 🚀 What I Deliver • Comprehensive test strategies and execution for web, mobile, and desktop apps • Bug detection and detailed reporting with reproduction steps, screenshots, and videos • End-to-end QA coverage including functional, regression, performance, and automation • Business analysis support to align testing with project goals and user needs • Clear communication and reporting thanks to my teaching background I am passionate about ensuring not just high-quality software, but also seamless, user-friendly experiences. If you need a reliable QA partner who brings both technical expertise and teaching clarity, let’s connect and make your project a success.

I am a graduate in BS (Computer Science) and a Software QA Tester having experience of 3+ year in testing Mobile and Web Applications. I have strong command over the following skills: - UI/UX & Usability Testing Cross-browser & Cross-device Testing Responsive Design Validation Regression & Smoke Testing Test Case Design & Execution Bug Reporting (Jira, Trello, ClickUp, Notion, etc.) Compatibility Testing User Acceptance Testing (UAT) Exploratory Testing E2E (End-to-End) Testing Analyzing users' stories and/or use cases/requirements for validity and feasibility Collaborate closely with other team members and departments Detect and track software defects and inconsistencies Apply quality engineering principles throughout the Agile product lifecycle Ability to document and troubleshoot errors Excellent communication skills Attention to detail Analytical mind and problem-solving aptitude Great interpersonal and communication skills 📌 Tools I work with: Jira, TestRail, Trello, Asana, Chrome DevTools, BrowserStack, etc. 🔍 What I Test: ✅ Mobile Applications (iOS & Android) ✅ Web-Based Applications & Portals ✅ Shopify & WordPress Websites ✅ SaaS Products & Custom-Built Software Solutions I am available for long-term engagement and can work for 40+ hours a week. Moreover, I can start immediately.

OSCP & CREST-certified Penetration Tester helping SaaS companies, startups, e-commerce platforms, and enterprise teams find real, exploitable security weaknesses before attackers do. I provide manual-first penetration testing for Web Applications, APIs, Mobile Apps, Networks, Active Directory environments, Infrastructure, and Thick Client/Desktop Applications. My focus is not just finding vulnerabilities, but validating real-world exploitability, explaining business impact, and giving your developers clear remediation guidance they can actually apply. 🔎 Core services I provide: • Web Application Penetration Testing • API Security Testing • Mobile Application Penetration Testing for Android and iOS • External Network Penetration Testing • Internal Network & Active Directory Security Assessment • Thick Client / Windows Desktop Application Testing • OWASP Top 10 & OWASP WSTG-Based Security Testing • Vulnerability Assessment & Manual Validation • OSINT & External Attack Surface Assessment • Security Retesting & Remediation Validation • SOC 2, ISO 27001, PCI DSS, Amazon SP-API, and compliance-oriented pentest reports 📄 What you receive: • A professional penetration testing report • Clear proof-of-concept evidence and screenshots • Technical explanation of each vulnerability • Business impact written in simple, practical language • Severity rating and CVSS scoring where applicable • Step-by-step remediation guidance for developers • Retest results after your team applies fixes • Executive summary suitable for management, compliance, vendor review, and internal audit ⚡ My testing approach: I perform Black Box and Grey Box penetration testing depending on your project requirements. I use a manual-first methodology supported by professional tools such as Burp Suite Pro, but I do not rely only on automated scanners. The goal is to identify security issues that matter in real attack scenarios, including authentication flaws, authorization bypasses, SQL Injection, IDOR, access control issues, business logic vulnerabilities, API security weaknesses, injection flaws, misconfigurations, and sensitive data exposure. 🎯 Best fit if you need: • A security test before launching a product or major feature • A web application, API, mobile app, network, or infrastructure assessment • A compliance-ready report for SOC 2, ISO 27001, PCI DSS, vendor review, or investor due diligence • Manual security testing focused on real exploitability • Clear communication with practical remediation advice • Reliable retesting after fixes are completed 🏆 Certifications and experience: • OSCP • OSEP • OSWP • CREST CPSA • Top Rated in Information Security / IT Compliance • Ranked in the Top 50 in multiple bug bounty programs • Completed 500+ penetration tests and security assessments • Available across different time zones • Open to one-time assessments and long-term security engagements ✅ Need a professional penetration test or vulnerability assessment for your web application, API, mobile app, network, or infrastructure? 📩 Send me a message, and I will help you define the right scope, testing approach, timeline, and deliverables for your security goals.

Full time freelancer who is available round the clock to make your project thrive. Successfully completed 10,000+ hours ⭐⭐⭐⭐⭐ "Zafar has been a critical and highly valuable member of the team. He helped us grow from the very beginning and remains a strong contributor to the team. I cannot say enough great things about Zafar. He's awesome." - Kwesi Steele of Tokeet

Experienced Quality Analyst with a demonstrated history of working in the computer software industry. Skilled in Requirements Analysis, Manual testing ,Automation testing, Performance testing with jmeter, MySQL, Test Cases, and Documentation. ♛ Upwork`s certified Top Rated QA freelancer. ♛ Listed among TOP 1% of Successful Upwork Freelancers with a perfect "100% Job Success" Badge. Expert in QA, QA....and QA 😊 ♛ 10000+ hours of exclusive Software Quality Assurance, Website Quality Assurance, App Testing experience on Upwork (5 STAR rating) and 9+ years of corporate experience in the field of QA and testing software. → Well versed with various types of Black Box Testing, Functional testing, Retesting, Regression testing, Compatibility testing, Smoke testing. → Test case design on TestRail,Testlink,Google Sheet and Test Execution. → Sound knowledge of Software Development life cycle (SDLC) and Software Testing life cycle (STLC). → Having knowledge of SDLC, STLC and Defect Life cycle. → Sound knowledge of testing mobile application (Android and iOS) → Expertise in Functional Testing, UI Testing. → Effective bug reporting via tool JIRA, Trello. → Sound knowledge of Performance testing of Web and Mobile application with jmeter. → Basic knowledge of Automation using Selenium- Webdriver with Java → Worked on Agile methodology. → Good interpersonal skills, committed, result oriented, hard working and zeal to learn new technologies.