Hi, My Name Is
Cagri Ozarpaci.
I am a full-stack dev.
🚀 Building fast, scalable, and growth-focused web apps.
💡 Optimizing performance, scalability, and seamless experiences.
I'm Cagri Ozarpaci
🚀 Full-Stack Developer | Growth Engineer
I build scalable, high-performance web apps with a focus on frontend-heavy full-stack development. With 6+ years of experience, I’ve worked on SaaS, eCommerce, and growth-driven platforms, andoptimizing conversion rates.
When I'm not coding, you’ll find me on the basketball court 🏀 or listening deep music 🎧
My preferred weapons of choice 👇
- React.js
- Next.js
- TypeScript
- Redux/Context API
- MongoDB / Firebase
- REST / GraphQL
My Coding Projects 🛠
Levity - Online Weight Loss Platform
Levity is a healthcare platform specializing in weight loss. As part of the HeliosX Group, I developed the front-end, conducted A/B tests, and optimized conversion rates.
- React.js
- Next.js
- TailwindCSS
- GraphQL
MedExpress - Leading UK Healthcare Platform
MedExpress is one of the UK's top healthcare platforms. As a Growth Engineer, I contributed to both front-end and back-end development, implemented A/B testing, and improved user experience and conversion rates.
- React.js
- Next.js
- TailwindCSS
- A/B Testing
- AWS (S3, Lambda)
- GraphQL
RocketRx - Men’s Health Platform
RocketRx is a healthcare platform focused on men's wellness. I worked on full-stack development, enhancing both the front-end and back-end. Additionally, I ran A/B tests to improve performance and conversion rates.
- React.js
- Next.js
- TailwindCSS
- A/B Testing
- AWS (S3, Lambda)
- GraphQL
Urbx - AI-Powered Logistics Platform
Urbx is an AI-driven logistics platform optimizing supply chain management. I was involved in developing the front-end and integrating AI-based logistics solutions.
- React.js
- Next.js
- GitLab CI/CD
- Node.js
Osmosis - Medical Education by Elsevier
Osmosis is a medical education platform by Elsevier. My role included developing the front-end, implementing scalable architecture, and improving user engagement.
- React.js
- Redux
- Next.js
- Docker
Vesl - Next-Gen 3PL Solutions
Vesl is a logistics and supply chain management platform. I contributed to the front-end and back-end development, ensuring seamless user experience and system scalability.
- React.js
- Next.js
- TailwindCSS
- Netlify
eCommerce REST API - Glorious Store
A full-stack eCommerce REST API built for the Glorious Store. It includes authentication with JWT, secure transactions, and seamless API integration for handling orders and users.
- Node.js
- Express.js
- RESTful API
- Mocha & Chai
My Experience 👨💻
Upwork
Full Stack Engineer (Top-Rated Plus Freelancer)- Top 1% of freelancers on Upwork, with a 100% job success rate.
- Built custom WordPress and React.js websites for clients worldwide.
- Achieved Top-Rated Freelancer status by maintaining high-quality work & client satisfaction.
- Developed conversion-optimized landing pages and CRO-focused websites.
- Specialized in Figma to React/WordPress conversions and SEO-friendly websites.
HeliosX Group
Frontend/Growth Engineer (Contract)- Converted Figma designs into high-performance React.js pages.
- Developed scalable Next.js & TypeScript applications.
- Ran A/B tests using Amplitude Experiment for CRO optimization.
- Collaborated cross-functionally to develop technical solutions.
- Managed GitLab CI/CD pipelines for continuous integration & deployment.
- Wrote clean, modular, and well-documented TypeScript code.
- Implemented unit testing with Jest to ensure code quality.
- Enhanced site speed and scalability with React & Tailwind CSS.
- Ensured website accessibility and compliance with standards.
- Stayed up-to-date with industry trends and technologies.
OSF Digital
Backend Developer (Full-Time)- Developed an eCommerce platform with a RESTful API architecture.
- Implemented secure authentication and user management using JWT.
- Wrote unit tests with Mocha & Chai to ensure robust API performance.
- Optimized the website speed by nearly 300% by caching API calls.
- Used JIRA for agile task management and team collaboration.
OSF Digital
Backend Developer Intern- Gained in-depth knowledge of Node.js backend architecture and middleware stack.
- Developed an eCommerce website via RESTful API using Express.js.
- Wrote unit tests with Mocha & Chai to ensure all modules worked properly.
- Rendered dynamic data using Pug and EJS for server-side templating.
Envato Market
Web Developer (Freelance)- Designed custom WordPress themes and HTML templates.
- Converted Figma/PSD designs into fully responsive websites.
- Optimized website speed & performance, ensuring high Lighthouse scores.
- Created modular and maintainable CSS frameworks for projects.