Mykola Leskovets
WEB Developer | Frontend Developer | React | Next.js
Freiburg Im Breisgau,BW
Summary
Frontend Developer (React.js) | 6+ Years of Experience
Specialized in building performant React applications with clean code and UX focus. Additional full-stack background brings architectural thinking.
Tech Stack:
- Core: React 18+, Hooks, Redux Toolkit, TypeScript
- Styling: CSS-in-JS, Tailwind, Responsive Layouts
- Frameworks: Next.js, Gatsby (static sites)
- Backend Interaction: REST, GraphQL basics
- Tools: Webpack, Git, CI/CD basics
What I Bring:
- Full project lifecycle understanding (from my e-commerce experience)
- Performance optimization mindset (LCP, FID improvements)
- Business awareness (former entrepreneur experience)
Overview
11
11
years of professional experience
Work History
Web Developer / OpenCart Administrator
Drevoprof S.r.o.
08.2022 - 12.2023
Full-stack OpenCart E-commerce Development
- Technology: PHP, JavaScript, MySQL.
- Frontend: Responsive design customization, template modifications.
- Backend: Module development, performance optimization.
- Content Management: Product & category setup, SEO optimization (meta tags, URLs, page speed).
- Marketing: Google Ads setup, social media advertising.
- Maintenance: Bug fixes, updates, ongoing technical support.
Self-employed / Sole Proprietor (Telecommunication
Self-employed
11.2016 - 09.2022
- Business management: Launched and operated a local + e-commerce store in telecom equipment.
- Sales & customer support: B2B/B2C consultations, equipment selection, CRM.
- Procurement & logistics: Supplier negotiations, inventory, shipping.
- E-commerce development & marketing:
Full-stack OpenCart development (responsive design, custom features).
SEO, Google Ads, social media ads.
Marketplace integrations (Rozetka, Prom, etc.). - Finance & analytics: P&L tracking, 1C/CRM systems, reporting.
- Scalability: creation of a dealer network in all regions of the country.
Outcome: Built a profitable business from scratch, handling all operations independently.
Web Designer / Frontend Developer
Apes in Work
03.2015 - 10.2016
- Frontend development: Building responsive web pages from mockups (HTML5, CSS3, JavaScript).
- Legacy projects maintenance: Code optimization, bug fixes, mobile adaptation.
- Cross-browser/platform compatibility: Ensuring consistent rendering across devices.
- Full-cycle development: From design to deployment (collaboration with backend teams).
Tech stack: Bootstrap, jQuery, Gulp, Figma/Photoshop.
Sales Engineer / Technical Sales Manager (Telecom)
Intertelecom
02.2013 - 09.2016
- Sales & consulting: B2B/B2C telecom equipment sales, technical proposals, negotiations.
- Equipment programming: Configuration of CDMA/GSM VoIP gateways, IP-PBX, routers.
- E-commerce development:
Built and managed online stores (OpenCart/WooCommerce), integrated payment/shipping modules.
SEO, PPC campaigns (Google Ads, Yandex.Direct).
Outcome: Increased average order value by X% through technical upselling and e-commerce automation.
Education
Associate of Applied Science - Trade
Poltava University of Economics And Trade
Poltava 04.2001 -
Skills
Javascript
Timeline
Web Developer / OpenCart Administrator
Drevoprof S.r.o.
08.2022 - 12.2023
Self-employed / Sole Proprietor (Telecommunication
Self-employed
11.2016 - 09.2022
Web Designer / Frontend Developer
Apes in Work
03.2015 - 10.2016
Sales Engineer / Technical Sales Manager (Telecom)
Intertelecom
02.2013 - 09.2016
Associate of Applied Science - Trade
Poltava University of Economics And Trade
04.2001 -
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