SEVGI VELIU

Web Developer & QA
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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

SDLCSTLCFunctional TestingRegression Testing Bug ReproductionDefect LifecycleTest Scenarios Cross-Browser TestingUI/UX Validation

Core Skills

Manual TestingTest Case DesignBug Reporting Functional TestingUI/UX TestingWeb App Testing PHP & MySQLHTML/CSSJavaScript ReactC#MS Dynamics 365 Problem SolvingAnalytical Thinking

Soft Skills

Attention to detailAnalytical thinkingProblem-solving CommunicationCritical thinkingTime management

Featured Project

tukasekupuva.mk – Multi-Vendor Marketplace Platform JULY 2025 – MAY 2026
Full-Stack Development & QA
tukasekupuva.mk project preview
PHP MySQL HTML/CSS JavaScript Manual Testing
  • Developed a full-stack marketplace platform...
  • Implemented authentication systems...
  • Built responsive interfaces...
  • Tested marketplace workflows...
  • Validated user registration...
Visit Project

Work Experience

Microsoft Dynamics Talent Program 07/2023 – 09/2023
Solutionade
  • 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.
Web Developer (Freelance) 10/2023
Construction Company Client
  • 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.
Freelance Web Developer / tukasekupuva.mk 07/2025 – 05/2026
Marketplace Platform (Owner & sole dev/QA)
  • 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

Front-End Development (Javen Advertising) JavaScript & React (Udemy)

Languages

English (Fluent) Macedonian (Native) Albanian (Native) Turkish (Native)

Get in touch

+389 72 586 486

sevgiveliu98@gmail.com

github.com/sevgicode


📍 Resen, North Macedonia — open for collaboration & QA/Dev opportunities