Full Stack JavaScript Developer
I build modern web and mobile apps with a focus on performance, accessibility, and beautiful design.

About Me
I'm a passionate developer with experience in building scalable web and mobile applications. I love working with modern JavaScript frameworks and cloud technologies.
What I Do
Web Development
Building fast, responsive, and accessible websites using React, Next.js, and Tailwind CSS.
Mobile Apps
Creating cross-platform mobile apps with React Native and modern APIs.
Cloud & DevOps
Deploying scalable apps on AWS, GCP, and automating workflows with CI/CD.
UI/UX Design
Designing beautiful, user-friendly interfaces and experiences.
Featured Projects
Garbage Recycler & Home Utility Tracker
A mobile app to incentivize garbage recycling through AI and track home utilities.
View on GitHubFood Genie
Track food calories, show recipes, and connect users to professional dietitians worldwide.
View on GitHubEasy Checkup
A PHP/Laravel app to find doctors near users, show relevant doctors on a map, and enable virtual sessions.
View on GitHubLefties
A native Android app for restaurants to sell leftover food at a discount to reduce waste.
View on GitHubProduct Passport
An iOS/Android app for espares.com to track home appliances, built with React Native.
View ProjectNiyo
A two-player turn-based Bangla word game, Scrabble-like, for vocabulary skills.
View on Play StoreBlog
How to Build a Modern Portfolio with Next.js & Tailwind
A step-by-step guide to creating a beautiful, responsive portfolio using Next.js and Tailwind CSS.
Sep 2025Top 5 JavaScript Frameworks for 2025
A quick overview of the most popular JavaScript frameworks and why you should learn them.
Aug 2025Tips for Responsive Web Design
Best practices and tools for making your websites look great on any device.
Jul 2025Professional Experience
- Write functional, responsive, and efficient code and take part in peer evaluations across team members.
- Work in a cross-functional team to deliver multiple tests in a Scrum framework.
- Develop and deploy experimentation tests (A/B Tests) for multiple high-profile European clients.
- Generate analytics from experimentation tests like heat maps, bounce rate, check-outs, and click rate.
- Provide technical consultation and feedback to scale CRO Metrics for clients.
- Led full-stack development of new features for the Product Passport mobile application by espares.com using React-Native and StrapiJS.
- Communicate with potential investors about the company’s vision, technological innovations, and progress.
- Manage team workflow in a SCRUM framework by holding Bi-Weekly Sprint Planning, Review, Retrospective, and Daily Scrums.
- Develop and deploy incremental features of an admin application using ReactJS for clients to upload, schedule, and select locations to play their ads.
- Recognised for innovating the FMCG Retail Space by a national newspaper.
- Developed Bengali-to-English phonetics and keyboard generation algorithms for a Bengali word-based game (NIYO).
- Developed core game logic for a Bengali number-based game (DUI), combining Solitaire and 2048.
- Worked in a cross-functional team to deliver two mobile games using React-Native, Firebase, JavaScript.
- Deployed mobile applications to Google Play Store.
- Learned from senior team members on various aspects of development using React, React-Native, Hooks, and reusable components.
Testimonials
"Raiyan is a talented developer who delivers quality work on time!"
- Client Name"Great communication and technical skills. Highly recommended."
- Client Name