Available for opportunities
Md. Waliul Islam Rayhan
Building innovative solutions with modern technologies
Dhaka, Bangladesh

Open to Work
Dhaka, Bangladesh
About Me
Who I Am ?
A passionate developer who turns ideas into impactful digital experiences.

Hello, I'm
Md. Waliul Islam Rayhan
Software Developer
A motivated Full-Stack Developer passionate about creating scalable web and mobile applications. I enjoy working with modern technologies like Next.js, React Native, NestJS, and cloud platforms to build complete solutions from start to finish.
My experience includes developing learning management systems, mobile apps, and AI-powered tools with features like user authentication, payment systems, and RESTful APIs. I'm looking for opportunities where I can use my skills to solve real problems and contribute to meaningful projects that make a difference.
10+
Projects Built
50+
GitHub Repositories
5+
Awards Won
10+
Technologies
Technologies Explored
What I Do
Full-Stack Web
End-to-end web apps with Next.js, NestJS, and REST APIs.
Mobile Apps
Cross-platform apps with React Native & Expo.
AI & ML
ML models, NLP pipelines, and computer vision systems.
Cloud & DevOps
Deployed on AWS, Azure, Docker, and Hostinger VPS.
My Tech Stack
Python
JavaScript
TypeScript
Java
PHP
HTML/CSS
About Me
Who I Am ?
A passionate developer who turns ideas into impactful digital experiences.

Hello, I'm
Md. Waliul Islam Rayhan
Software Developer
A motivated Full-Stack Developer passionate about creating scalable web and mobile applications. I enjoy working with modern technologies like Next.js, React Native, NestJS, and cloud platforms to build complete solutions from start to finish.
My experience includes developing learning management systems, mobile apps, and AI-powered tools with features like user authentication, payment systems, and RESTful APIs. I'm looking for opportunities where I can use my skills to solve real problems and contribute to meaningful projects that make a difference.
10+
Projects Built
50+
GitHub Repositories
5+
Awards Won
10+
Technologies
Technologies Explored
What I Do
Full-Stack Web
End-to-end web apps with Next.js, NestJS, and REST APIs.
Mobile Apps
Cross-platform apps with React Native & Expo.
AI & ML
ML models, NLP pipelines, and computer vision systems.
Cloud & DevOps
Deployed on AWS, Azure, Docker, and Hostinger VPS.
My Tech Stack
Python
JavaScript
TypeScript
Java
PHP
HTML/CSS
Academic Background
Education
My academic journey - from school through to postgraduate research.
01
Master of Science (M.Sc)
Computer Science and Engineering
Jagannath University
2025 - Present
Dhaka, Bangladesh
Advanced research in Computer Science and Engineering
Focus areas: Machine Learning, Cloud Computing, Distributed Systems
Graduate-level coursework and thesis research experience
02
Bachelor of Science (B.Sc)
Computer Science and Engineering
Jagannath University
2020 - 2025
Dhaka, Bangladesh
Notable Coursework: OOP, Data Structures, Algorithms, DBMS, Software Engineering
Operating Systems, Computer Networks, Artificial Intelligence
Cryptography & Information Security, Data Science, Machine Learning, Cloud Computing
03
Higher Secondary Certificate (HSC)
Science
Shaheed Ramiz Uddin Cantonment College
2017 - 2019
Dhaka, Bangladesh
Core Subjects: Physics, Chemistry, Mathematics, Biology
Strong foundation in Science and analytical problem solving
Active participation in science fairs and academic competitions
Academic Background
Education
My academic journey - from school through to postgraduate research.
01
Master of Science (M.Sc)
Computer Science and Engineering
Jagannath University
2025 - Present
Dhaka, Bangladesh
Advanced research in Computer Science and Engineering
Focus areas: Machine Learning, Cloud Computing, Distributed Systems
Graduate-level coursework and thesis research experience
02
Bachelor of Science (B.Sc)
Computer Science and Engineering
Jagannath University
2020 - 2025
Dhaka, Bangladesh
Notable Coursework: OOP, Data Structures, Algorithms, DBMS, Software Engineering
Operating Systems, Computer Networks, Artificial Intelligence
Cryptography & Information Security, Data Science, Machine Learning, Cloud Computing
03
Higher Secondary Certificate (HSC)
Science
Shaheed Ramiz Uddin Cantonment College
2017 - 2019
Dhaka, Bangladesh
Core Subjects: Physics, Chemistry, Mathematics, Biology
Strong foundation in Science and analytical problem solving
Active participation in science fairs and academic competitions
Career
Work Experience
Professional roles and the impact I've made at each stage.
01
Full-Stack Developer
Dec 2025 - Present
Remote
Built full-stack cybersecurity platform from scratch using Next.js, Prisma, and Docker, deployed on Hostinger VPS with complete REST API architecture.
Replaced WordPress site with modern platform featuring blog, cybersecurity academy, and service management.
Delivered scalable solution enabling cybersecurity education and professional services for growing client base.
02
Mobile App & POS Developer
Jan 2025 - Dec 2025
iDEA Portfolio Startup
Developed React Native mobile app and POS application integrating REST APIs for RFID/NFC-based transit system.
Built digital solution with tap-in/out, balance management, live tracking, and digital payments.
Modernized public transportation for iDEA-funded startup, contributing to IoT smart city infrastructure.
03
Full-Stack Developer
Oct 2024 - Jan 2025
Remote
Built inventory management system using Next.js and TypeScript to digitize manual business operations.
Implemented stock tracking, stock-in/out workflows, product management, and role-based access control.
Eliminated manual errors and improved operational efficiency for beauty parlour business management.
Career
Work Experience
Professional roles and the impact I've made at each stage.
Companies
01
HackToLive
Full-Stack Developer
Dec 2025 - Present
02
Go Bangladesh
Mobile App & POS Developer
Jan 2025 - Dec 2025
03
Divine Beauty Lounge
Full-Stack Developer
Oct 2024 - Jan 2025
Full-Stack Developer
Dec 2025 - Present
Remote
Built full-stack cybersecurity platform from scratch using Next.js, Prisma, and Docker, deployed on Hostinger VPS with complete REST API architecture.
Replaced WordPress site with modern platform featuring blog, cybersecurity academy, and service management.
Delivered scalable solution enabling cybersecurity education and professional services for growing client base.
Portfolio
Projects Section
A selection of things I've built — from AI tools to mobile apps.
Featured

Featured
Traffic Signs Classification Using CNN
CNN-based system classifying 43 traffic sign types in real-time across Flask web and Android apps, enabling autonomous vehicle-like detection capabilities.
Other Projects
Portfolio
Projects Section
A selection of things I've built — from AI tools to mobile apps.
Featured

Featured
Traffic Signs Classification Using CNN
CNN-based system classifying 43 traffic sign types in real-time across Flask web and Android apps, enabling autonomous vehicle-like detection capabilities.
Other Notable Projects
Recognition
Achievements & Awards
Milestones and recognition earned through competitions, hackathons, and innovation events.

View
February 2024
Champion - UGC Innovation Showcasing 2024
Won Champion title at the University Grants Commission of Bangladesh Innovation Showcasing event.

View
February 2023
Champion - MBSTU Robo Tech Olympiad 2023
Won Champion title in Idea & Project Showcase at MBSTU Robo Tech Olympiad 2023.

View
November 2023
1st Runner-Up - National Conference on Robotics & IoT 2023
Secured 1st Runner-Up in Project Showcase at the National Conference on Robotics & IoT hosted by BSFMSTU.

View
October 2024
Finalist - NASA Space Apps Challenge 2024
Selected as Finalist at the NASA Space Apps Challenge 2024 (Dhaka Regional).

View
December 2024
Finalist - IUBAT TechnoCrats V2 (Dhaka Divisional Hackathon 2024)
Reached the finals of IUBAT TechnoCrats V2, a Dhaka Divisional Hackathon.

View
November 2023
Finalist - CEFALO ITVerse 2023
Reached the finals of CEFALO ITVerse 2023 Project Showcasing Competition at IIT, University of Dhaka.
Recognition
Achievements & Awards
Milestones and recognition earned through competitions, hackathons, and innovation events.

View
February 2024
Champion - UGC Innovation Showcasing 2024
Won Champion title at the University Grants Commission of Bangladesh Innovation Showcasing event.

View
February 2023
Champion - MBSTU Robo Tech Olympiad 2023
Won Champion title in Idea & Project Showcase at MBSTU Robo Tech Olympiad 2023.

View
November 2023
1st Runner-Up - National Conference on Robotics & IoT 2023
Secured 1st Runner-Up in Project Showcase at the National Conference on Robotics & IoT hosted by BSFMSTU.

View
October 2024
Finalist - NASA Space Apps Challenge 2024
Selected as Finalist at the NASA Space Apps Challenge 2024 (Dhaka Regional).

View
December 2024
Finalist - IUBAT TechnoCrats V2 (Dhaka Divisional Hackathon 2024)
Reached the finals of IUBAT TechnoCrats V2, a Dhaka Divisional Hackathon.

View
November 2023
Finalist - CEFALO ITVerse 2023
Reached the finals of CEFALO ITVerse 2023 Project Showcasing Competition at IIT, University of Dhaka.
Get In Touch
Let's Work Together
Have a project in mind or just want to say hi? My inbox is always open.



