Gustav Wengel
Full-stack Developer at UniHelper
Central Denmark Region, Denmark
Summary
🤩
Rockstar🎓
Top SchoolGustav Wengel is a full-stack developer and startup co-founder with nine years of experience building production systems across TypeScript/Node, Rust, C#, and Python/Django. He currently applies Rust at Climatiq to provide emission data for climate calculations while also serving as part-time CTO of UniHelpr, where he designs algorithmic student-matching systems used by a major Danish university. Gustav has led tech teams and products from the ground up—running a consultancy, co-founding startups, and shipping backend-heavy platforms for logistics and SCADA analytics—bringing both hands-on implementation and customer-facing tradeoff decisions. An active open-source contributor, he modernized the ts-jest test transformer to improve TypeScript testing and build reliability. Based in the Greater Aarhus Area, he blends startup pragmatism with engineering discipline and an appetite for measurable impact in sustainability and education.
9 years of coding experience
6 years of employment as a software developer
STX, Mat/Fys/Kemi, STX, Mat/Fys/Kemi at Viby GymnasiumPotemkin FilmIT-Produktudvikling, Bachelor, IT-Produktudvikling, Bachelor at Aarhus Universitet
Danish, English
Stackoverflow
355reputation
10kreached
5answers
6questions
Github Skills (15)
testing10
typescript10
typescripts10
jestjs10
typescript-types10
babeljs9
babel-core9
babel69
javascript9
nodatime6
django-rest-framework6
react-native6
python6
django6
typeorm6
Programming languages (19)
Github contributions (5)
kulshekhar/ts-jest
May 2017 - Feb 2019
A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:107 commits, 94 PRs, 122 pushes in 1 year 9 months
Contributions summary:Gustav primarily contributed to the `ts-jest` repository by refactoring and modernizing the codebase. Their commits involved migrating to ES6-style imports, removing unused imports, and updating dependencies. The user also made adjustments to the build process by adding regression tests, improving the test suite, and addressing code coverage issues. The user focused on improving the TypeScript compilation process.
jesttestingjavascriptsource-maptransformer
GeeWee/boilerplatefree
Sep 2021 - Sep 2022
Remove boilerplate via C# 9 source generators and attributes. Allows you to auto-generate interfaces from classes, constructors from fields and more
Contributions:72 commits, 46 PRs, 52 pushes in 11 months
dotnetconstructorsboilerplatecsharp-sourcegeneratorgenerators
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.