Handle
@sulco
Followers
1K-10K
Focus Area
Angular & WebContainers
Tomek Sulkowski (@sulco) is a Founding Engineer at StackBlitz and a driving force behind WebContainers technology that revolutionized how developers build software directly in web browsers. With deep expertise in Angular development, Web Components, and developer tooling, Tomek has established himself as an influential voice in the frontend development community.
Before co-founding StackBlitz, Tomek built his reputation as an Angular specialist and IT trainer, conducting over 1,300 hours of training sessions for medium and large-sized companies. His passion for teaching developers led him to create the widely-referenced Angular Developer Roadmap, a comprehensive guide that helps developers navigate the Angular ecosystem systematically.
His GitHub profile showcases significant contributions to online IDE technology, including work on the StackBlitz core platform—an online IDE powered by Visual Studio Code that has garnered over 10,700 stars. This achievement demonstrates his commitment to improving developer experience and making web development more accessible.
As Founding Engineer and Developer Relations lead at StackBlitz, Tomek has been instrumental in developing WebContainers—a breakthrough technology that enables running Node.js natively in web browsers without remote servers. This innovation transforms how developers create, share, and learn about web applications.
WebContainers provide:
This technology has profound implications for developer education, technical documentation, and collaborative coding, making it possible to embed fully functional development environments directly into blog posts, tutorials, and online courses.
Tomek's expertise in Angular Elements and Web Components has helped countless developers understand how to build reusable, framework-agnostic components. His Medium articles on building custom elements with Angular have become essential reading for frontend developers exploring component-based architecture.
His practical repositories include:
These projects reflect his teaching philosophy: making complex technologies accessible and enjoyable for developers at all skill levels.
Tomek's biggest passion centers on developer experience optimization—ensuring development tools are not only performant and comfortable for seasoned programmers but also accessible and engaging for newcomers. This philosophy drives his work at StackBlitz and his continued advocacy for better developer tooling.
His approach combines:
Tomek has shared his expertise on prominent developer podcasts including:
These appearances demonstrate his role as a thought leader in browser-based development and his commitment to educating the broader developer community about emerging technologies.
Following Tomek provides unique insights into:
| Technology Area | Expertise |
|---|---|
| Primary Language | TypeScript, JavaScript |
| Frameworks | Angular, React, Vue.js |
| Specialization | Web Components, Angular Elements |
| Platform Engineering | WebContainers, Browser APIs, ServiceWorkers |
| Developer Tools | Online IDEs, Build Tools, Package Managers |
| Teaching Focus | Developer Education, Technical Training |
With 138 public repositories, 743 starred projects, and achievements including "Pull Shark x3" and "Arctic Code Vault Contributor," Tomek demonstrates consistent engagement with the open-source community. His contributions have earned him 211+ GitHub followers and recognition as a developer who actively shares knowledge.
Follow @sulco if you're interested in:
Tomek's work extends beyond code—he's shaping how the next generation of developers learn to code. By making development environments accessible through browsers, he's removing barriers to entry and enabling more people to start their programming journey without complex setup requirements.
His bio perfectly captures his dual passions: "💭 compiling or woodworking"—a reminder that even pioneering developers need balance between building digital tools and crafting physical projects.
Whether you're an Angular developer looking to level up, a tool builder interested in browser technologies, or a developer educator seeking inspiration for better learning experiences, Tomek Sulkowski's X account offers valuable insights from someone actively building the future of web development.
Join the thousands of developers following @sulco to stay informed about WebContainers, Angular best practices, and the evolution of browser-based development tools that are making coding more accessible and enjoyable for everyone.
Tomek Sulkowski is a Founding Engineer at StackBlitz and pioneer of WebContainers technology. He's an Angular expert, developer educator with over 1,300 hours of training experience, and creator of the popular Angular Developer Roadmap. His work focuses on browser-based development tools and improving developer experience.
WebContainers is breakthrough technology developed by StackBlitz that enables running Node.js natively in web browsers without remote servers. It allows developers to create instant development environments, run npm packages up to 10x faster than local, and embed fully functional coding environments in documentation and tutorials—revolutionizing developer education and collaboration.
Tomek shares insights about browser technology innovations, Angular best practices, WebContainers development, Web Components architecture, TypeScript expertise, developer tooling trends, and developer experience design. He provides first-hand updates on online IDE technology and practical advice for building better developer tools.
Angular developers should follow Tomek because he's an Angular expert who has trained thousands of developers, created the comprehensive Angular Developer Roadmap, and regularly shares best practices for Angular Elements and Web Components. His expertise spans from framework fundamentals to advanced component architecture patterns.
Tomek is a Founding Engineer and Developer Relations (DevRel) lead at StackBlitz, where he works on WebContainers, the online IDE platform powered by Visual Studio Code, and initiatives to make development more accessible. He combines technical engineering with community education and advocacy for better developer experiences.
Tomek has conducted over 1,300 hours of IT training for companies, created the widely-used Angular Developer Roadmap, written popular Medium articles on Angular Elements and Web Components, appeared on major developer podcasts like Syntax FM and PodRocket, and built tools that make coding more accessible for newcomers and experienced developers alike.
Tomek specializes in TypeScript and JavaScript, Angular framework development, Web Components and Angular Elements, browser APIs and ServiceWorkers, online IDE technology, WebContainers platform engineering, and developer tooling. He focuses on technologies that improve developer experience and make web development more accessible.
You'll learn about cutting-edge browser technologies like WebContainers, Angular and Web Components best practices, developer experience optimization strategies, online IDE innovations, TypeScript patterns, and insights from someone actively building tools used by millions of developers worldwide. Perfect for frontend developers, tool builders, and developer educators.
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