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Zain U.

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

🇵🇰Lahore, Pakistan$7/hr95% JSS3.89 (8)Since Nov 2017

Earnings and projects

MRR
$9

Last 6 months ÷ 6

World#172,848 / 412k
🇵🇰Country#25,686 / 52.9k
Revenue, last 30 days
$0

Last 6 months: $54

Total earnings
$1.4k

Billed in all: $1.4k

World#367,532 / 412k
🇵🇰Country#45,832 / 52.9k
Per project
$124

$54 in the last 6 months

World#293,847 / 412k
🇵🇰Country#40,005 / 52.9k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇵🇰Country#22,564 / 52.9k
Projects in all
11
55% fixed45% hourly
World#192,417 / 412k
🇵🇰Country#31,747 / 52.9k

Earnings, last 30 days

$1.4kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,360$1,380$1,400$1,420Oct 8Oct 23Nov 7

Skill rankings: Top 30% in GPT-4

Ranked by MRR among everyone on Upwork with the skill.

  1. #24Stress Testing56 freelancers · 🇵🇰 #5Top 43%
  2. #35Governance, Risk & Compliance Software78 freelancers · 🇵🇰 #8Top 45%
  3. #76Load Testing214 freelancers · 🇵🇰 #20Top 36%
  4. #80GPT-4264 freelancers · 🇵🇰 #24Top 30%
  5. #205Test Automation445 freelancers · 🇵🇰 #53Top 46%
  6. #216Vulnerability Assessment519 freelancers · 🇵🇰 #47Top 42%
  7. #245Penetration Testing623 freelancers · 🇵🇰 #47Top 39%
  8. #301Cloud Security639 freelancers · 🇵🇰 #53Top 47%