Konstantin Ruge
Product Engineer at cobuild GmbH
Hamburg, Germany
Summary
🤩
Rockstar🎓
Top SchoolKonstantin Ruge is a product engineer with 7 years of experience building tailored web applications and shipping delightful end-user experiences for SMEs from Hamburg. At cobuild GmbH he toggles between product and engineering responsibilities, designing and building SaaS, customer portals, and collaboration tools that cut costs and streamline workflows. As a founding product engineer at Lazy he helped craft a Notion/Evernote-style rich text editor and optimized an offline-first Electron app, showing a strong focus on performance and UX for complex document experiences. His full-stack work includes a Notion-like open-source project where he implemented editable blocks, drag-and-drop, tagging, image uploads and backend CRUD/auth — evidence of hands-on competence across frontend and server concerns. With a background in product management at OTTO and a BSc in E-Commerce, he brings both user-centered product sensibility and technical depth to build practical, business-focused software.
7 years of coding experience
5 years of employment as a software developer
Bachelor of Science - BS, E-Commerce, Bachelor of Science - BS, E-Commerce at Fachhochschule Wedel
German, English
Github Skills (18)
javascript10
expressjs10
back-end-development10
drag-and-drop10
nextjs10
front-end-development10
backend10
react10
authentication9
contenteditable9
apidoc9
user-authentication9
api9
html8
mongodb8
Programming languages (3)
Github contributions (5)
konstantinmuenster/notion-clone
Aug 2020 - Jun 2021
Edit Notes like in Notion.so. Full-Stack App using React/Express.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 59 commits, 2 PRs in 9 months
Contributions summary:Konstantin primarily focused on building the frontend components and integrating them with the backend for a Notion-like clone. They implemented features like editable blocks, tag selectors, action menus, and drag-and-drop functionality. Furthermore, the user also contributed to CRUD operations for pages, image uploading, and user authentication on the backend. The changes involved both React components and backend controllers, showcasing a full-stack development focus.
contenteditablereactnotionnotesfull-stack-app
konstantinmuenster/konstantin.digital
Jul 2023 - Feb 2025
My personal portfolio, built with Next.js App Router.
Contributions:10 PRs, 45 pushes, 10 branches in 1 year 7 months
nextjsproductengineeringreacttypescriptwebdev
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.