Leon Strauss
Co-Founder & CEO at Opencreek Technology
Frankfurt, Hesse, Germany
Summary
🤩
Rockstar🎓
Top SchoolLeon Strauss is a founder-led technology executive with 11 years of experience building product teams and scaling digital platforms across PropTech and traveltech. As Co-Founder & CEO of Opencreek Technology and former CTO of homefully and Acomodeo, he has repeatedly built R&D organizations from scratch, established product-led engineering practices, and delivered large efficiency gains through automation and data-driven decision making. He blends hands-on engineering—contributing to the Deno standard library’s collections utilities and tests—with strategic leadership, guiding companies through product, culture, and acquisition phases. Based in Frankfurt, he advises stealth-stage ventures as a strategic software consultant while running Opencreek. Known for a pragmatic focus on measurable business outcomes, he pairs deep runtime and backend expertise with a passion for company culture and sustainable engineering teams.
11 years of coding experience
8 years of employment as a software developer
Technischen Universität Darmstadt
Stackoverflow
3,106reputation
220kreached
132answers
3questions
java
top-5%
angularjs
top-5%
Github Skills (20)
deno10
javascript10
testing10
typescript10
typescript-types10
collections10
typescripts10
data-structure9
algorithm9
algorithms9
java9
angularjs9
data-structures9
arraylist6
ionic-framework6
Programming languages (12)
Github contributions (5)
denoland/std
Jul 2021 - Nov 2021
The Deno Standard Library
Role in this project:
Backend Developer
Backend DeveloperContributions:119 reviews, 11 commits, 12 PRs in 3 months
Contributions summary:Leon primarily contributed to the Deno standard library, specifically focusing on implementing and testing utility functions within the `collections` module. These contributions involved creating and modifying test cases for functions like `union`, `mapKeys`, `mapEntries`, `intersect`, `associateBy`, `sortBy`, `mapNotNullish`, and `aggregateGroups`. The commits demonstrate a deep understanding of the Deno runtime and a strong emphasis on testing and code quality.
deno-deploydeno-modulejavascriptstandard-librarydeno
LionC/express-basic-auth
Apr 2019 - Dec 2021
Plug & play basic auth middleware for express
Contributions:8 releases, 4 commits, 14 PRs in 2 years 8 months
expressjsjavascriptexpressauthenticationauth-middleware
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