SEVGI VELIU
Professional Summary
Web Developer with 1+ year of experience in building and maintaining responsive web applications, combined with a strong background in manual QA testing. Computer Science and Engineering graduate experienced in developing full-stack web applications using PHP, MySQL, HTML, CSS, JavaScript, and React. Developed and maintained a multi-vendor e-commerce marketplace (tukasekupuva.mk), handling both development and testing responsibilities — including authentication systems, product workflows, and database-driven functionality. Focused on creating responsive, user-friendly interfaces while ensuring system stability through structured testing and debugging.
Technical & Soft Skills
QA & Testing Knowledge
Core Skills
Soft Skills
Featured Project
- Developed a full-stack marketplace platform...
- Implemented authentication systems...
- Built responsive interfaces...
- Tested marketplace workflows...
- Validated user registration...
Work Experience
- Completed a 3‑month program focused on Power Apps, Power Automate, and Dynamics 365 fundamentals. Built 3 functional Canvas App prototypes and 2 C# plugin examples in a test environment.
- Collaborated with a team of 5 learners to replicate a simple approval workflow using Power Automate, presenting the final project to Solutionade mentors.
- Extended application functionality using C# plugins, JavaScript, and Power Platform tools.
- Developed a responsive WordPress website using custom CSS and Elementor, improving mobile usability score from 45 to 89 on Google PageSpeed Insights.
- Implemented SEO improvements including meta tags, alt text, and structured data, resulting in first-page Google ranking for 3 local keywords within 2 months.
- Integrated plugins for contact forms, gallery, social media feeds, reducing client’s bounce rate by 20% compared to their old site.
- Developed and maintained multi-vendor e‑commerce platform using PHP and MySQL, supporting 3 seller accounts and processing 100+ simulated orders during testing.
- Identified and documented 25+ functional bugs across core workflows using manual test case execution and exploratory testing, leading to a 30% reduction in customer-reported issues post-launch.
- Created and executed 35+ test cases for login, registration, cart, and checkout modules using boundary value analysis and equivalence partitioning, achieving 95% test pass rate before each release.
- Performed testing across 3+ browsers (Chrome, Firefox, Safari) and 4 mobile devices, uncovering 12 cross-browser inconsistencies fixed prior to user acceptance testing.
- Validated authentication and role-based access for 3 user types (buyers, sellers, admins), eliminating 4 critical privilege escalation vulnerabilities before production.
- Executed regression testing after 5 major feature updates using a prioritized test suite, catching 8 recurring bugs and reducing post-release hotfixes by 40%.
- Verified database integrity across user transactions and product operations using SQL queries, ensuring 100% data consistency across 1,000+ test records with zero data loss incidents.
- Improved UI consistency by reporting and tracking 15 frontend issues in Jira, leading to a 25% decrease in user-reported visual defects during beta testing.
Education
Bachelor of Science in Computer Science and Engineering
University of Ohrid — Graduated October 2024
Certifications
Languages
Get in touch
📍 Resen, North Macedonia — open for collaboration & QA/Dev opportunities