Hello, I'm Saidul Badhon! I'm a Full Stack Software Engineer with 4 years of experience. I enjoy building sites & apps. My focus is Web3, Blockchain & AI.
About me
Hi, I'm a Full Stack Web & App Developer with 4 years of experience. I have worked with multiple technologies to build websites, web applications, and native applications. I've completed many projects with 100% client satisfaction. For me as a professional developer, learning new technologies in web and mobile is my passion. I have worked with PHP, Python, Java, C# and now in React JS, React Native & Node JS. Right now, I am working as a MERN stack engineer on a different platform.
My projects
My skills
- HTML
- CSS
- JavaScript
- TypeScript
- React
- Next.js
- Node.js
- Git
- MongoDB
- Express
- PostgreSQL
- Python
- Web3
- Blockchain
My experience
Full Stack Engineer & Project Manager
Jutsu•San Francisco, California, United States • Remote
Leading a small engineering team while remaining hands-on with development. Bridging technical execution and project management, overseeing product strategy, coordinating sprints, and contributing code across the stack. Building AI-powered developer relations services and leading the development of Postt.ai.
Jul 2025 - PresentFull Stack Engineer
Jutsu•San Francisco, California, United States
Contributed to building scalable Web3 and AI-powered solutions, helping transition the company's focus from decentralized applications to advanced AI developer tools. Developed an AI-powered workspace for developers, implemented a vector database, and built big data processing systems to support small language models (SLMs).
Aug 2023 - Jun 2025Software Engineer Intern
Jutsu•San Francisco, California, United States • Remote
Started as a frontend developer and quickly expanded into a full-stack role. Helped develop a Web3 IDE for in-browser smart contract development and contributed to building a Web3 ticketing system used for NEARCON 2023.
Jan 2023 - Jul 2023
CEO
Dokan.gg•Dhaka, Bangladesh • Hybrid
Founded and led Dokan.gg, managing business operations, product development, and team coordination.
Apr 2022 - Present
Frontend Web Developer Intern
CyStellar•London, United Kingdom • Remote
Developed intuitive, data-driven web dashboards that transform complex geospatial and environmental data into clear, interactive visual insights. Built responsive, high-performance user interfaces, integrated APIs, and optimized user experiences for CyStellar's satellite-driven risk intelligence platform.
Jul 2022 - Dec 2022
Freelance Web Developer
Fiverr•Remote
Started as a frontend developer on Fiverr, building modern and responsive websites, landing pages, and small business portfolios. Expanded into full-stack development, managing both client-side and server-side features using JavaScript, React, Node.js, and MongoDB.
Oct 2020 - Nov 2022
Frontend Developer
Cryptosynk LLC•San Francisco Bay Area • Remote
Built modern, responsive websites and landing pages. Collaborated with designers and backend developers to create fast, user-friendly interfaces and helped improve the overall design and performance of the company's web products.
Sep 2021 - Jun 2022
CEO
TechSecBD•Bangladesh
Founded and managed a tech-focused YouTube channel, creating educational content about technology, programming, and cybersecurity for a growing audience.
Jan 2018 - Mar 2020Contact me
Please contact me directly at Saidulbadhon@gmail.com or through this form.