Roman Klymenko
Odesa, Ukraine
Roman Klymenko
WordPress Developer | PageSpeed Expert
Category : Web development
I am a WordPress developer focused on high-performance websites, custom web platforms, and complex integrations. I build online stores, business websites, trading and marketplace platforms, technical SEO-ready websites, and automation tools with WordPress, PHP, JavaScript, Node.js, Redis, parsers, Telegram bots, and API integrations. My portfolio includes 200+ completed projects, product aggregators with tens of millions of items, a crewing platform with 200,000+ resumes, and trading tools with charts, journals, analytics, alerts, and portfolio tracking. I also specialize in PageSpeed optimization, clean HTML/CSS, reliable administration panels, and practical support after launch.
Working hours
- Monday:08h00 To 18h00
- Tuesday:08h00 To 18h00
- Wednesday:08h00 To 18h00
- Thursday:08h00 To 18h00
- Friday:08h00 To 18h00
- Saturday:Not available
- Sunday:Not available
![I will build your product from idea to launch]()
I will build your product from idea to launch30 $ - Per hourI help turn your idea into a working product using vibe coding and full-stack development. I can build the full wrapper around your concept: web app, landing page, admin panel, API, database, ...
Full product development for ProTradeJournal: trading simulator, trade journal, analytics, AI-assisted workflows, real-time crypto trading terminal, charts, screeners, watchlists, demo trading, investor portfolio tracking, alerts, news, and exchange connection tools. Built web, API, database, automation, and desktop/mobile-style application parts with Next.js, React, FastAPI, Python, PostgreSQL/TimescaleDB, Redis, Celery, Docker, Electron, charting libraries, and integrations. Live example: https://protradejournal.net/trading
Developed a WordPress security plugin for blocking suspicious requests, scraping attempts, DoS behavior, brute-force attacks, and malicious traffic. Built public demo materials, GitHub distribution, premium feature presentation, and WordPress-focused protection tools. URL: https://nohackme.com
Developed a historical trading simulator and journal platform with replay workflows, analytics, AI assistant, recording tools, market data integration, portfolio tracking, and social-media-ready video export. Stack includes FastAPI, Celery, TimescaleDB/PostgreSQL, Redis, MinIO/S3, Next.js, React, Tailwind CSS, and Docker. URL: https://protradejournal.net
Developed a custom WordPress and WooCommerce nutrition platform for keto, LCHF, recipes, food products, nutrients, quizzes, digital recipe books, and health education. Built custom theme templates, recipe and nutrient systems, AI-assisted publishing tools, PDF recipe book generation, Video Studio workflows, meal planner, food diary, scored quizzes, multilingual content, WooCommerce digital products, SEO tooling, Redis caching, WebP/image optimization, and PageSpeed-oriented frontend code. Live English homepage includes 1152 recipes, 733 products, 120 nutrients, and 545 articles. URL: https://o-keto.com/en/
Built a maritime recruitment platform connecting seafarers and crewing agencies. The system includes 200,000+ resumes, vacancies, messaging, agency profiles, Asterisk robot calling, Telegram bots, document generation in PDF and Word, parsing tools, moderation workflows, and PageSpeed 100 optimization. URL: https://gloap.net
Developed and improved a marketing agency website with business-card presentation, service pages, design updates, new functionality, responsive frontend, technical SEO, and PageSpeed 100 optimization. URL: https://malinovsky.io
Developed an interactive map project with custom frontend, geographic browsing, optimized loading, responsive UX, data presentation, and PageSpeed 100 optimization. URL: https://gloapm.com
Developed a large product aggregator processing more than 50,000,000 products from YML feeds. Implemented parsing, category and city pages, promo code logic, product import workflows, SEO-ready structure, and PageSpeed Mobile 100 optimization. URL: https://obuvnov.ru
Migrated a product catalog from Bitrix to WordPress, redesigned the frontend, preserved catalog structure, moved product data with custom scripts, improved administration, and optimized the final website to a PageSpeed 100 result. URL: https://lvs.by
Built an online instant messaging platform with audio and video communication based on Node.js signaling infrastructure. Work included real-time messaging flows, media communication logic, frontend integration, backend services, and reliability improvements.
Developed and optimized an online store with catalog pages, ecommerce functionality, responsive frontend, administration improvements, SEO-oriented structure, and PageSpeed optimization. URL: https://starberry.com.ua
Worked on a content platform with publication workflows, frontend and backend improvements, performance optimization, technical SEO, content structure, and large-scale website maintenance. URL: https://vraki.net
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