André Waltert
Principal Software Engineer at w3.labs
Gevelsberg, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolAndré Waltert is a Principal Software Engineer based in Gevelsberg, Germany, with over 17 years of experience building and architecting software across e-commerce, energy, and fintech domains. He has held senior and principal roles at Zalando, FINVIA, E.ON Digital Technology, and now w3.labs, blending hands-on engineering with strategic technical advising. Known for guiding teams through complex front-end and full-stack challenges, he bridges product needs and scalable architectures while mentoring engineers. His background includes .NET and frontend foundations and a steady progression from administrator to principal engineer, signaling strong operational depth and long-term ownership. Though not prolific on GitHub, his career trajectory reflects sustained impact on large-scale consumer and enterprise platforms.
10 years of coding experience
9 years of employment as a software developer
Bachelor in Information Technologie, Bachelor in Information Technologie at IT-Center Dortmund
German, English
Github Skills (37)
javascript10
typescript10
authentication9
typechecker9
oauth8
github8
superset8
functional-programming8
nodejs8
git8
type-check8
patch7
reactive-programming7
haskell6
webtransport5
Programming languages (5)
Github contributions (5)
awaltert/http-api-problem
Jun 2021 - Jan 2025
A problem type to be returned by HTTP APIs
Contributions:5 pushes, 4 branches in 3 years 7 months
apihttp-requestshttp-clientproblem
awaltert/authmosphere
Jul 2017 - Nov 2017
Contributions:11 pushes, 2 branches in 3 months
flowsnodejsoauth2typescriptsupporting
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.