Mark C.
QA Tester | Business Systems Analyst | Web & Mobile Testing Specialist
I’m a detail-driven QA Software Tester and Business Systems Analyst with professional experience across software testing, systems support, and business process improvement in both freelance and organisational environments. I bring the rare combination of hands-on testing expertise and real-world systems analysis experience, meaning I don’t just find bugs - I understand how systems, users, and business processes connect. 🔍 What I Do Best Manual testing for web, mobile, and desktop applications Writing clear, reproducible bug reports with logs, screenshots, and step-by-step evidence Usability & UX feedback from a real end-user and business perspective Functional, regression, happy/sad path and exploratory testing Reviewing user journeys and identifying friction points Supporting teams with UAT, requirements validation, and system improvements 🧠 Professional Systems & Business Experience Alongside freelance QA work, I work professionally in systems and programme environments, where I: Support and improve business systems used by large organisations Work with stakeholders to understand requirements and translate them into system solutions Investigate system issues and identify root causes Contribute to process improvements and system change initiatives Bridge the gap between technical teams and non-technical users This means I naturally test software with a business analyst mindset - thinking about real users, real workflows, and real operational impact. 🛠 Tools & Platforms Jira • Figma • Android Studio • TestRail-style reporting • Slack • API & integration testing exposure Experience with structured testing approaches from platforms including uTest, UserTesting, Tester Work, and Userlytics. 📱 Test Devices Huawei P30 Pro Huawei P20 Pro iPhone XR Windows 10 Desktop 🤝 What Clients Like About Working With Me ✔ Clear communication ✔ Thorough, structured feedback ✔ Reliable turnaround ✔ Strong attention to detail ✔ Ability to think like both a tester and a business user If you need someone who can test properly, think critically, and communicate clearly with your team, I’m ready to help.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.6k
Billed in all: $37,950$38k
$398 in the last 6 months
Across 14 contracts
Across 60 contracts
Earnings, last 30 days
Skill rankings: Top 14% in User Experience
Ranked by MRR among everyone on Upwork with the skill.
- #37Review Website262 freelancers · 🇬🇧 #2Top 14%🇬🇧#2 of 7
- #92QA Software & Testing Tools349 freelancers · 🇬🇧 #3Top 26%🇬🇧#3 of 5
- #156Bug Tracking & Reports641 freelancers · 🇬🇧 #3Top 24%🇬🇧#3 of 8
- #166Bug Reports659 freelancers · 🇬🇧 #2Top 25%🇬🇧#2 of 6
- #315API Testing1,365 freelancers · 🇬🇧 #4Top 23%🇬🇧#4 of 14
- #324User Experience2,372 freelancers · 🇬🇧 #8Top 14%🇬🇧#8 of 60
- #337User Flow1,972 freelancers · 🇬🇧 #9Top 17%🇬🇧#9 of 36
- #374Usability Testing1,980 freelancers · 🇬🇧 #13Top 19%🇬🇧#13 of 58