Sebastian Stehle
Senior Technical Consultant at codecentric AG
Leipzig, Saxony, Germany
Summary
🤩
Rockstar🎓
Top SchoolSebastian Stehle is a Senior Technical Consultant and full-stack software developer with 11+ years’ experience specializing in Microsoft technologies (ASP.NET, .NET, XAML) and a strong focus on maintainable architecture and performant algorithms. As co-founder and CTO of Squidex, he helped build an open-source headless CMS and continues to contribute backend and frontend improvements to notable projects like Orleans and Squidex itself. He combines product management and sales experience with hands-on delivery—designing cloud migrations, leading frontend and IoT data services, and optimizing resource usage in high-stakes migrations. Based in Leipzig, Sebastian is motivated by crafting user interfaces that delight customers while implementing fast, stable backends, and his open-source work ranges from UI tooling in TypeScript/React to low-level .NET performance fixes.
11 years of coding experience
13 years of employment as a software developer
Master’s Degree, Computer Science, Master’s Degree, Computer Science at Karlsruhe Institute of Technology (KIT)High School, High School at Grimmelshausen Gymnasium Offenburg
German, English
Stackoverflow
2,439reputation
217kreached
44answers
73questions
Github Skills (36)
orleans10
dashboard10
back-end-development10
ui-components10
net10
typescript10
dotnet10
distributed-systems10
asp-net-core10
redux10
asp-net10
front-end-development10
typescript-types10
dotnet-core10
typescripts10
Programming languages (18)
Github contributions (5)
Squidex/squidex
Aug 2016 - Jan 2023
Headless CMS and Content Managment Hub
Role in this project:
Back-end Developer
Back-end DeveloperContributions:83 releases, 95 reviews, 5397 commits in 6 years 5 months
Contributions summary:Sebastian's contributions primarily involved back-end development, as demonstrated by mini refactoring tasks within the `Squidex/squidex` repository, specifically in the `backend/src/Squidex.Domain.Apps.Entities/Contents/DomainObject` folder. These changes included modifications to content-related domain objects, as well as additions to the user interface in the `frontend/app/features/content/shared/references` folder. Furthermore, the user made adjustments in the frontend, demonstrating familiarity with frontend elements. The user addressed and fixed schema filtering, suggesting a focus on data structure and data handling.
cmsmanagmentphpasp-netcsharp
mydraft-cc/ui
Feb 2018 - Jan 2023
Open source wireframing tool written in typescript, react and redux.
Role in this project:Front-end Developer
Front-end DeveloperContributions:1 release, 42 reviews, 517 commits in 4 years 11 months
Contributions summary:Sebastian primarily focused on developing UI components using TypeScript, React, and Redux, as indicated by the changes to `arrange-menu.tsx` and `App.tsx`. They implemented features related to arranging and manipulating UI elements, including functionality for grouping, ungrouping, and deleting items. Furthermore, the user contributed to the visual aspects of the application by incorporating an icon font and working on rendering components.
reactcanvaspaperjswireframingredux
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.