Zain U.
AI-Powered Testing & Security Expert. Block Threats.Ship Fast & Secure
Hi, I’m Zain—A results-driven Software Test Automation & Security Engineer with over 10 years of hands-on experience in software quality assurance, testing, and secure application delivery. Possesses a strong understanding of quality systems, software testing life cycles, and modern development practices. Experienced across web services testing, mobile application testing, functional validation, automation frameworks, security testing, and performance/load testing, with additional exposure to cybersecurity operations and cloud security practices. Demonstrates proven expertise in identifying critical defects, improving system reliability, and ensuring high-performance, secure application delivery across diverse environments. Adept at working in fast-paced Agile teams and collaborating with cross-functional stakeholders to deliver scalable, resilient, and security-focused solutions. Core Specialties • Web Apps & API Testing • Mobile Application Testing (iOS/Android) • Security Testing & Penetration Testing (Vulnerability Assessment, OWASP Top 10) • SOC Analysis & Security Monitoring (Alert Investigation, Log Analysis, Incident Response Support) • Infrastructure & Network Testing • Cloud Security (IAM, Access Controls, Misconfiguration Detection, Secure Deployment Practices) • Test Automation (AI/ML-aware where applicable) • Functional & Regression Testing • Performance, Load & Stress Testing • CI/CD Pipelines & Build/Release Management • Agile & Scrum Methodologies Professional Strengths • Well-versed in designing and executing Test Plans, Test Cases, and Test Strategies • Strong experience in bug tracking, root cause analysis, and defect lifecycle management • Skilled in building and maintaining automation frameworks for scalable testing • Hands-on experience in penetration testing techniques and identifying security vulnerabilities • Working knowledge of SOC operations including security alert triaging and log correlation • Experience in cloud security controls, identity management, and secure application deployment • Expertise in optimizing application performance under high-load conditions • Strong understanding of DevOps practices and continuous integration workflows • Ability to bridge development, QA, and cybersecurity domains to deliver secure software solutions Recognized for a detail-oriented approach, analytical thinking, and a strong focus on delivering high-quality, secure, and scalable systems aligned with modern cybersecurity standards. Looking forward to secure your systems! 🙌🚀 Warmly, Zain Ul Hassan
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $54
Billed in all: $1,390$1.4k
$54 in the last 6 months
Earnings, last 30 days
Skill rankings: Top 30% in GPT-4
Ranked by MRR among everyone on Upwork with the skill.
- #24Stress Testing56 freelancers · 🇵🇰 #5Top 43%🇵🇰#5 of 10
- #35Governance, Risk & Compliance Software78 freelancers · 🇵🇰 #8Top 45%🇵🇰#8 of 11
- #76Load Testing214 freelancers · 🇵🇰 #20Top 36%🇵🇰#20 of 52
- #80GPT-4264 freelancers · 🇵🇰 #24Top 30%🇵🇰#24 of 54
- #205Test Automation445 freelancers · 🇵🇰 #53Top 46%🇵🇰#53 of 97
- #216Vulnerability Assessment519 freelancers · 🇵🇰 #47Top 42%🇵🇰#47 of 97
- #245Penetration Testing623 freelancers · 🇵🇰 #47Top 39%🇵🇰#47 of 106
- #301Cloud Security639 freelancers · 🇵🇰 #53Top 47%🇵🇰#53 of 107