David Granzin
Senior Software Engineer at Superwall
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolDavid Granzin is a Senior Software Engineer based in Berlin with eight years of experience building full-stack web applications and leading architecture overhauls. He focuses on TypeScript, React, Next.js and Go, combining hands-on implementation with design-thinking approaches to deliver scalable, maintainable systems. David has driven measurable impact—modernizing a homepage stack to boost performance by 30% and visitor conversion by 15%—and has progressed from software engineer to lead and senior roles across consulting and product teams. Team-oriented and mindful, he pairs technical breadth (Java, Python, backend services) with a user-centered mindset developed during his Computer Software Engineering studies at CODE University. Currently contributing at Superwall, he brings both product-focused execution and a track record of lifting engineering practices in fast-moving environments.
8 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Software Engineering, Bachelor's degree, Computer Software Engineering at CODE University of Applied Sciences
Github Skills (140)
end-to-end-encryption10
experiences10
windows10
authentication10
tailwind-variants10
hybrid10
javascript10
linux10
browser10
api10
tanstack10
react-aria10
wai-aria10
static-site-generator10
raycast10
Programming languages (6)
Github contributions (5)
Makisuo/budgeting-app
Nov 2024 - Mar 2025
Contributions:3 PRs, 305 pushes, 4 branches in 4 months
Makisuo/leagueUtils
Jun 2020 - May 2021
Contributions:16 releases, 2 PRs, 63 pushes in 11 months
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.