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Roman P.

@panroman50

monthly-level-three.svg
5.0
2

1.1

1.1

100%

Full-Stack Developer

$40 USD / Hour

・

Flag of

Ukraine (8:33 PM)

・

Joined on April 15, 2025

$40 USD / Hour

・

I am a full-stack developer with 12+ years of experience in software development. Skillsets: - AWS Lambda, API gateway, Amplify, Cognito - Amazon RDS, DynamoDB, EC2, S3, Cloudfront - Google Cloud Platform, Azure DevOps, Heroku - Ubuntu, Linux, Bash Shell Script, SSH - Machine Learning, Data Analysis, NumPy - API development, API integration, REST API - Python, Django, Flask, Ruby, Ruby on Rails - Node.js, ExpressJS, NestJS, Hapi, [login to view URL] - Data Extraction, Data Scraping, Selenium, Pandas - Ethereum, Smart Contract, Solidity, Web3.js - PHP, Laravel, Symfony, CodeIgniter, CakePHP - Moodle, WordPress, WooCommerce, Joomla, Drupal - Magento, BigCommerce, osCommerce, Shopify - Payment Gateway integration - Java, Spring Framework, C/C++/C#, .NET Core - Database, SQL, NoSQL, GraphQL, Apollo - Web Hosting & cPanel, SSL & DNS Setup - React, Vue, Angular, Next.js, Nuxt.js, TypeScript - HTML/CSS/Javascript, jQuery, Tailwind CSS, Bootstrap

Verifications

On time

100%

On budget

100%

Accept rate

100%

Repeat hire rate

100%

Freelancer PHP Developers Ukraine
See all PHP Developers in Ukraine

Portfolio

Portfolio

13668466
Developed a high-end Shopify eCommerce store for Valexsia, a luxury lingerie and swimwear brand. The project focused on creating a modern, elegant, and conversion-optimized storefront that reflects the brand’s sophistication while ensuring seamless shopping experiences across devices. ✅ Key Highlights: Custom Shopify theme customization aligned with premium brand aesthetics Optimized product pages for visual storytelling and quick navigation Integrated secure payment gateways and shipping options Configured Shopify apps for reviews, cross-selling, and analytics Enhanced speed and mobile responsiveness for better user engagement Built with scalability in mind, allowing easy future product expansion The result is a beautiful, performance-driven Shopify store that enhances brand identity and maximizes conversion potential.

Shopify Store Development

13668431
Developed a robust web platform for Dewit Neumatica, a global provider of pneumatic and automation systems. The project focused on building a scalable backend in Python (Django) to manage product catalogs, client inquiries, and multilingual content. Key features included: ✅ Dynamic product management system with categorized filtering and search. ✅ RESTful API integration for partner and distributor data synchronization. ✅ Admin dashboard for managing content, pricing, and customer requests. ✅ Multilingual support (EN/ES/PT) for global accessibility. ✅ Optimized server performance using caching, PostgreSQL tuning, and AWS deployment. The result was a fast, secure, and SEO-optimized web solution that enhanced lead conversion and simplified internal management.

Industrial Automation Web Platform

13668389
Leveraging 10+ years of full-stack and blockchain engineering experience, I led the development and integration of the FeTech ecosystem — a next-gen AI-augmented web3 platform combining DEX aggregator, cross-chain swap, staking pools and crypto analytics dashboards. My role covered end-to-end engineering: designing smart contracts for staking and token swaps, building the user-facing web3 front-end, integrating multi-chain bridges, and implementing analytics modules such as portfolio tracker and rug-scanner. I worked closely with product and security teams to ensure optimal performance, seamless UX and robust security in a high-volatility DeFi environment. The result: a production-ready web3 platform empowering token holders with real-time tools, cross-chain utility, and an integrated AI-driven ecosystem.

FeTech Ecosystem Integration

13667417
Developed a modern, responsive WordPress website for a signage company specializing in indoor and outdoor branding solutions. The goal was to create a clean, visually appealing layout that effectively showcases their product categories, services, and project portfolio. ✅ Key Features: Custom WordPress theme tailored to client branding. Service pages highlighting indoor, outdoor, and custom signage options. Interactive gallery for showcasing completed projects. User-friendly contact and quote request forms. Optimized for SEO and fast page load times. Fully responsive across desktop, tablet, and mobile devices. This project demonstrates my ability to design and develop high-quality WordPress websites that align with business goals and deliver a smooth user experience.

Professional WordPress Website

13667411
Funcerda is a feature-rich dynamic web platform developed using PHP and MySQL to deliver seamless performance and scalability. I designed and implemented the entire system architecture — from database structure and backend logic to the responsive frontend interface.

Dynamic Web Platform Built with PHP

13667397
Developed a high-performance, visually dynamic website for a creative agency. The project highlights advanced React component architecture with modular layouts and smooth GSAP-based animations. Integrated a headless CMS for seamless content updates, implemented lazy loading and route-based code splitting for speed, and optimized SEO for better search visibility. The result is a fast, elegant, and responsive platform that reflects the agency’s artistic identity while maintaining technical excellence.

Modern Creative Agency Website

13668466
Developed a high-end Shopify eCommerce store for Valexsia, a luxury lingerie and swimwear brand. The project focused on creating a modern, elegant, and conversion-optimized storefront that reflects the brand’s sophistication while ensuring seamless shopping experiences across devices. ✅ Key Highlights: Custom Shopify theme customization aligned with premium brand aesthetics Optimized product pages for visual storytelling and quick navigation Integrated secure payment gateways and shipping options Configured Shopify apps for reviews, cross-selling, and analytics Enhanced speed and mobile responsiveness for better user engagement Built with scalability in mind, allowing easy future product expansion The result is a beautiful, performance-driven Shopify store that enhances brand identity and maximizes conversion potential.

Shopify Store Development

13668431
Developed a robust web platform for Dewit Neumatica, a global provider of pneumatic and automation systems. The project focused on building a scalable backend in Python (Django) to manage product catalogs, client inquiries, and multilingual content. Key features included: ✅ Dynamic product management system with categorized filtering and search. ✅ RESTful API integration for partner and distributor data synchronization. ✅ Admin dashboard for managing content, pricing, and customer requests. ✅ Multilingual support (EN/ES/PT) for global accessibility. ✅ Optimized server performance using caching, PostgreSQL tuning, and AWS deployment. The result was a fast, secure, and SEO-optimized web solution that enhanced lead conversion and simplified internal management.

Industrial Automation Web Platform

13668389
Leveraging 10+ years of full-stack and blockchain engineering experience, I led the development and integration of the FeTech ecosystem — a next-gen AI-augmented web3 platform combining DEX aggregator, cross-chain swap, staking pools and crypto analytics dashboards. My role covered end-to-end engineering: designing smart contracts for staking and token swaps, building the user-facing web3 front-end, integrating multi-chain bridges, and implementing analytics modules such as portfolio tracker and rug-scanner. I worked closely with product and security teams to ensure optimal performance, seamless UX and robust security in a high-volatility DeFi environment. The result: a production-ready web3 platform empowering token holders with real-time tools, cross-chain utility, and an integrated AI-driven ecosystem.

FeTech Ecosystem Integration

13667417
Developed a modern, responsive WordPress website for a signage company specializing in indoor and outdoor branding solutions. The goal was to create a clean, visually appealing layout that effectively showcases their product categories, services, and project portfolio. ✅ Key Features: Custom WordPress theme tailored to client branding. Service pages highlighting indoor, outdoor, and custom signage options. Interactive gallery for showcasing completed projects. User-friendly contact and quote request forms. Optimized for SEO and fast page load times. Fully responsive across desktop, tablet, and mobile devices. This project demonstrates my ability to design and develop high-quality WordPress websites that align with business goals and deliver a smooth user experience.

Professional WordPress Website

13667411
Funcerda is a feature-rich dynamic web platform developed using PHP and MySQL to deliver seamless performance and scalability. I designed and implemented the entire system architecture — from database structure and backend logic to the responsive frontend interface.

Dynamic Web Platform Built with PHP

13667397
Developed a high-performance, visually dynamic website for a creative agency. The project highlights advanced React component architecture with modular layouts and smooth GSAP-based animations. Integrated a headless CMS for seamless content updates, implemented lazy loading and route-based code splitting for speed, and optimized SEO for better search visibility. The result is a fast, elegant, and responsive platform that reflects the agency’s artistic identity while maintaining technical excellence.

Modern Creative Agency Website

5.0 · 2 Reviews
Reviews
User Avatar

NX addin improve • $20 USD

Perfect! He is talented and skilled software engineer.

John G.

@hup1

•

Flag of

Palo Alto, United States

•

3 days ago

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Urgent Fixes for Next.js + PHP Platform (Completed within 5 Hours) • $15 USD

He resolved the issue quickly and efficiently, demonstrating a high level of skill. I definitely plan to work with him on more projects in the future. Thank you.

John G.

@hup1

•

Flag of

Palo Alto, United States

•

24 days ago

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Experience

Senior Full-Stack Developer

Jan, 2020 - Sep, 2024

•

4 years, 7 months

Innovatech Labs

Jan, 2020 - Sep, 2024

•

4 years, 7 months

Lead architect and developer for full-stack web and blockchain solutions using React, Next.js, Node.js, and Solidity. Designed and deployed decentralized applications (DApps) with Ethereum, Web3.js, and smart contracts. Built scalable backend APIs with NestJS, Django, and Flask, integrating AWS Lambda, RDS, and API Gateway. Directed a team of engineers to deliver secure, high-performance SaaS platforms and cloud-native solutions.

Flag of

Kyiv, Ukraine

Jan, 2020 - Sep, 2024

•

4 years, 7 months

Full-Stack Developer | Cloud & API Specialist

Apr, 2015 - Dec, 2019

•

4 years, 8 months

NextWave Software Solutions

Apr, 2015 - Dec, 2019

•

4 years, 8 months

Developed and maintained enterprise-grade applications with Laravel, Ruby on Rails, and Node.js. Integrated AWS (EC2, S3, CloudFront, Cognito) and Google Cloud Platform for scalable deployments. Built and optimized REST APIs and performed third-party API integrations including payment gateways (Stripe, PayPal). Created dashboards and internal tools using Vue.js, Angular, and Bootstrap for analytics and reporting.

Flag of

Lviv, Ukraine

Apr, 2015 - Dec, 2019

•

4 years, 8 months

Software Engineer | Backend Developer

Feb, 2012 - Mar, 2015

•

3 years, 1 month

SoftUnity Technologies

Feb, 2012 - Mar, 2015

•

3 years, 1 month

Began career developing backend solutions with PHP (CodeIgniter, Symfony, CakePHP) and Java Spring Framework. Designed MySQL and PostgreSQL databases, handled data migration, and optimized SQL queries. Built and deployed CMS and eCommerce systems using WordPress, Joomla, and Magento. Managed web hosting, DNS, and SSL configurations, ensuring secure and high-availability environments. Developed data extraction and automation scripts with Python, Selenium, and Bash shell scripting.

Flag of

Odesa, Ukraine

Feb, 2012 - Mar, 2015

•

3 years, 1 month

Education

Kyiv National Taras Shevchenko University

2007 - 2011

•

4 years

Bachelor of Science in Computer Science

Flag of

Ukraine

2007 - 2011

•

4 years

Freelancer logo US (International) / English
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