👋 Hello!
I'm Oleksii Mielnikov,
FullStack Developer
I'm a software engineer with 10+ years building production web apps. I work primarily with React, Next.js, TypeScript, and Node.js. Currently building WorldVote and open to senior/staff engineer roles.
20+
Projects Completed
10+
Years of Experience
3
Major industries served
∞
Passion for learning
Experience
Software Engineer (Front-end Developer)
EPAM Systems- Developing large-scale projects for international clients, including an English learning platform and a UK telecom website
- Building responsive user interfaces with AEM, LESS, JavaScript, and React
- Improved website accessibility to meet modern standards (WCAG) and Implemented full RTL support for Arabic and other right-to-left languages
- Collaborated with cross-functional teams (designers, back-end, QA) to deliver high-quality, scalable solutions
Front-End Developer (HTML/CSS)
Sigma Software Group- Conducted requirements analysis and provided development effort estimates
- Implemented responsive web interfaces using HTML, CSS, and JavaScript
- Created validated, semantic markup with full cross-browser support
- Collaborated with QA and design teams to ensure high-quality deliverables
Front-End Developer
Web-Studio Brander- Performed requirements analysis and provided development estimates
- Developed responsive and scalable user interfaces using HTML, CSS, and JavaScript
- Ensured cross-browser compatibility and semantic, validated code
- Collaborated with the design and back-end teams to deliver optimized web solutions
Portfolio
Pearson ↗
One of the world's largest educational publishers. Contributed to large-scale frontend development across multiple product teams.
WorldVote ↗
Personal project — a platform for anonymous global opinion polls on world events. One World, One Question, a million voices.
Education
Master Degree in Marketing
National Aerospace University – Kharkiv Aviation Institute
Pre-Intermediate English
National Aerospace University – Kharkiv Aviation Institute
JavaScript
Spalah IT School
Intermediate English
EnglishHub Language Courses
Certificates
AI Fluency
Anthropic2026
Claude Code in Action
Anthropic2026
Claude 101
Anthropic2026
Claude Agents
Anthropic2026
Claude API
Anthropic2026
Claude Subagents
Anthropic2026
Model Context Protocol
Anthropic2026
Model Context Protocol (Advanced)
Anthropic2026
Claude Code
UdemyCodex
UdemyNode.js
UdemyReact and Redux
UdemyWhat I build with
Daily
Often
Learning
Tools
WebStorm
VSCode
Figma
Claude
OpenAI
Postman
Github Copilot
Codex
Docker
Git
Boootstrap
Webpack
Jenkins
Jira
LESS
PostgreSQL
NPM
SASS