Available to hire
Hi, I’m Michael Han, a professional software engineer with rich experience in web and desktop development spanning over a decade. I specialize in both traditional web2 and blockchain/web3 technologies, building everything from Chrome extensions to decentralized exchanges. I enjoy solving complex problems and continually improving my skills with new technologies.
I’m passionate about creating innovative solutions in the fields of cryptocurrency and SaaS platforms, leveraging a variety of programming languages and frameworks. My background ranges from full-stack development to cloud and DevOps, and I’m always eager to take on new challenges and collaborate on exciting projects.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Advanced
Czech
Advanced
Work Experience
Senior Web3 Developer at Stabble
February 1, 2024 - June 4, 2024Developed Solana DEX using React/Next.JS, Tailwind, NestJS, and web3 technologies.
Senior Web & Chrome Extension Developer at Speechify
September 1, 2021 - December 31, 2023Developed web and Chrome extensions using NodeJS/NestJS, React/NextJS, JavaScript/TypeScript, and Google Cloud Platform.
Senior Developer at Heyland Ltd
May 1, 2022 - December 31, 2023Developed a crypto-based online betting platform (Sherbet) using React, C#, ASP.NET Core, and AWS cloud services.
Senior Developer at Visual Education Ltd
March 1, 2020 - September 30, 2021Full-stack development of an education SaaS product.
Senior Developer at ChenSangIT
September 1, 2011 - September 30, 2019Led and participated in development of websites, desktop applications, and mobile apps using NodeJS, PHP, .NET, and Python. Chrome Extension development using React. Developed NodeJS websites using MEAN stack and MERN stack. Worked with PHP Laravel/CodeIgniter and PHP + React web applications.
Web Developer at Riganti
June 1, 2011 - September 30, 2011Full-stack web development using HTML, JavaScript, PHP, and ASP.NET.
.NET Developer at Memos Software
September 1, 2009 - September 30, 2011Participated in various custom software developments including websites and desktop applications.
Researcher at Research and Development Centre for Mobile Applications
September 1, 2008 - August 31, 2009Developed mobile applications for Vodafone.
Senior Web3 Developer at Stabble
February 1, 2024 - June 26, 2024Development of Solana DEX using React/Next.JS, Tailwind, NestJS, and web3 technologies.
Senior Web & Chrome Extension Developer at Speechify
September 1, 2021 - December 31, 2023Web and Chrome Extension development using NodeJS/NestJS, React/NextJS, JavaScript/TypeScript, and Google Cloud Platform.
Senior Developer at Heyland Ltd
May 1, 2022 - December 31, 2023Developed a crypto-based online betting platform (Sherbet) using React, C#, ASP.NET Core, and AWS cloud services.
Senior Developer at Visual Education Ltd
March 1, 2020 - September 1, 2021Full-stack web development of an education SaaS product.
Senior Developer at ChenSangIT
September 1, 2011 - September 1, 2019Led and participated in development of websites, desktop applications, and mobile applications using NodeJS, PHP, .NET, and Python. Developed Chrome Extensions with React and built websites using MEAN and MERN stacks.
Web Developer at Riganti
June 1, 2011 - September 1, 2011Full-stack web development using HTML, JavaScript, PHP, and ASP.NET.
.NET Developer at Memos Software
September 1, 2009 - September 1, 2011Participated in development of various custom software including websites and desktop applications.
Researcher at Research and Development Centre for Mobile Applications
September 1, 2008 - August 31, 2009Developed mobile applications for Vodafone.
Senior SW Engineer at Freelancer
September 1, 2019 - PresentFull-Stack development using Angular/React for front-end and ASP.NET MVC/Core for back-end. Developed desktop applications with WinForms/WPF/UWP. Led development on a crypto-based online betting website using C#, ASP.NET Core, PostgreSQL, AWS, React, Tailwind CSS, Blockchain, and NFT. Built front end of Solana DEX with React, Next.JS, NestJS, Solana web3. Created a photo studio management system and a large WinForms application for Canadian Welding Bureau. Developed vehicle testing real-time monitoring and analysis system using C#, ASP.NET Core, Blazor, Docker Swarm, Azure, and WebSocket.
Senior Web & Chrome Extension Developer at Speechify
December 31, 2023 - July 11, 2025Developed web and Chrome extensions using NodeJS/NestJS, React/Next.JS, JavaScript/TypeScript on Google Cloud Platform.
Senior .NET Developer at Visual Education Ltd
September 1, 2021 - July 11, 2025Full-stack web development of an education site using HTML5, CSS3, JavaScript, C#, ASP.NET MVC, and Azure.
.NET Developer at ChenSangIT
September 1, 2019 - July 11, 2025Participated in and led development of web sites, desktop applications and mobile apps.
Web Developer at Riganti
September 1, 2011 - July 11, 2025Full-stack web development.
.NET Developer at Memos Software
September 1, 2011 - July 11, 2025Contributed to development of custom software including web sites and desktop apps.
Researcher at Research and Development Centre for Mobile Applications
August 31, 2009 - July 11, 2025Developed mobile applications for Vodafone.
Windows App Developer at Radiant Systems
August 31, 2008 - July 11, 2025Participated in the development of a large distributed system using .NET stack.
Senior Web3 Developer at Stabble
February 1, 2024 - PresentDeveloped Solana DEX using React/Next.JS, Tailwind, NestJS, and web3 technologies.
Senior Web & Chrome Extension Developer at Speechify
December 31, 2023 - July 11, 2025Led web and Chrome extension development using NodeJS/NestJS, React/NextJS, JavaScript/TypeScript, and GCP.
Senior Developer at Heyland Ltd
December 31, 2023 - July 11, 2025Developed a crypto-based online betting platform (Sherbet) using React, C#, ASP.NET Core, and AWS.
Senior Developer at Visual Education Ltd
September 30, 2021 - July 11, 2025Full-stack web development of an education SaaS product.
Senior Developer at ChenSangIT
September 30, 2019 - July 11, 2025Participated in and led development of websites, desktop applications, and mobile apps using NodeJS, PHP, .NET, and Python. Developed Chrome Extensions with React; built NodeJS websites using MEAN and MERN stacks; worked with PHP/Laravel/CI and PHP + React web apps.
Web Developer at Riganti
September 30, 2011 - July 11, 2025Performed full-stack web development using HTML, JavaScript, PHP, and ASP.NET.
.NET Developer at Memos Software
September 30, 2011 - July 11, 2025Participated in development of custom software including websites and desktop applications.
Researcher at Research and Development Centre for Mobile Applications
August 31, 2009 - July 11, 2025Developed mobile applications for Vodafone.
Senior Web3 Developer at Stabble
February 1, 2024 - PresentDeveloped Solana DEX using React/Next.JS, Tailwind, NestJS, and web3 technologies.
Senior Web & Chrome Extension Developer at Speechify
December 31, 2023 - July 16, 2025Worked on web and Chrome extension development using NodeJS/NestJS, React/NextJS, JavaScript/TypeScript, and GCP.
Senior Developer at Heyland Ltd
December 31, 2023 - July 16, 2025Developed a crypto-based online betting platform (Sherbet) using React, C#, ASP.NET Core, and AWS.
Senior Developer at Visual Education Ltd
September 30, 2021 - July 16, 2025Full-stack web development of an education SaaS product.
Senior Developer at ChenSangIT
September 30, 2019 - July 16, 2025Led development of websites, desktop applications, and mobile apps using NodeJS, PHP, .NET, and Python. Developed Chrome Extensions and NodeJS sites using MEAN and MERN stacks. Worked on PHP/Laravel/CI websites and PHP + React web apps.
Web Developer at Riganti
September 30, 2011 - July 16, 2025Full-stack web development using HTML, JavaScript, PHP, and ASP.NET.
.NET Developer at Memos Software
September 30, 2011 - July 16, 2025Participated in development of custom software projects including websites and desktop applications.
Researcher at Research and Development Centre for Mobile Applications
August 31, 2009 - July 16, 2025Developed mobile applications for Vodafone.
Senior Web3 Developer at Stabble
February 1, 2024 - PresentDeveloped a decentralized exchange (DEX) on Solana utilizing React/Next.JS, Tailwind, NestJS, and web3 technologies.
Senior Web & Chrome Extension Developer at Speechify
December 31, 2023 - July 16, 2025Led development of web applications and Chrome extensions using NodeJS/NestJS, React/NextJS, JavaScript/TypeScript, and managed deployments on Google Cloud Platform (GCP).
Senior Developer at Heyland Ltd
December 31, 2023 - July 16, 2025Built a crypto-based online betting platform named Sherbet using React, C#, ASP.NET Core, and AWS cloud infrastructure.
Senior Developer at Visual Education Ltd
September 30, 2021 - July 16, 2025Full-stack development of an educational SaaS product, involving both front-end and back-end responsibilities.
Senior Developer at ChenSangIT
September 30, 2019 - July 16, 2025Participated in and led development of websites, desktop applications, and mobile apps using various technologies such as NodeJS, PHP, .NET, and Python. Developed Chrome Extensions using React and web applications with MEAN and MERN stacks.
Web Developer at Riganti
September 30, 2011 - July 16, 2025Full-stack web development using HTML, JavaScript, PHP, and ASP.NET.
.NET Developer at Memos Software
September 30, 2011 - July 16, 2025Contributed to various custom software projects including websites and desktop applications using .NET technologies.
Researcher at Research and Development Centre for Mobile Applications
August 31, 2009 - July 16, 2025Developed mobile applications for Vodafone.
Education
Bachelor at Mathematics Physics Faculty, Charles University, Prague
January 1, 2005 - December 31, 2009Bachelor at Mathematics Physics Faculty, Charles University, Prague
January 1, 2005 - December 31, 2009Bachelor at Mathematics Physics Faculty, Charles University, Prague
January 1, 2005 - December 31, 2009Bachelor at Mathematics Physics Faculty, Charles University, Prague
January 1, 2009 - December 31, 2009Bachelor at Mathematics Physics Faculty, Charles University, Prague
January 1, 2009 - December 31, 2009Bachelor of Computer Science at Mathematics Physics Faculty, Charles University, Prague
January 1, 2005 - December 31, 2009Qualifications
MCP – Microsoft Certified Professional
January 1, 2009 - December 31, 2009MCTS – SQL Server 2008, Database Development
January 1, 2009 - December 31, 2009MCTS – .NET Framework 3.5, Windows Presentation Foundation Applications
January 1, 2009 - December 31, 2009Triplebyte Certified Generalist Software Engineer
January 11, 2030 - July 11, 2025Industry Experience
Software & Internet, Financial Services, Education, Media & Entertainment, Gaming, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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