Konstantin Tennhard
Engineering Manager at Stripe
Pointe-Claire, Quebec, Canada
Summary
🤩
Rockstar🎓
Top SchoolKonstantin Tennhard is an engineering manager and seasoned software engineer with 15 years of experience building large-scale web applications and leading teams at Stripe and Shopify. He blends hands-on full‑stack development—evidenced by substantive contributions to the widely used Shopify CLI, including server refactors, new extension types, and testing improvements—with strong interests in software design and test-driven development. A regular conference speaker (RailsConf, RubyConf India/Philippines, Euruko), he communicates complex technical ideas clearly and mentors engineers through architectural and delivery challenges. Based in Pointe-Claire, Quebec, he pairs academic rigor from a Computer Science M.Sc. with practical product-focused execution across backend infrastructure and developer tooling.
15 years of coding experience
16 years of employment as a software developer
Technischen Universität Darmstadt
English, German
Stackoverflow
2,595reputation
647kreached
13answers
32questions
Github Skills (29)
url-routing10
apidoc10
testing10
command-line-interface10
go-testing10
shopify-cli10
ruby10
go10
api10
command-line10
http-router10
json9
yaml9
cli9
apim8
Programming languages (11)
Github contributions (5)
Shopify/shopify-cli
Feb 2020 - Apr 2022
Shopify CLI helps you build against the Shopify platform faster.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:4 releases, 99 reviews, 132 commits in 2 years 2 months
Contributions summary:Konstantin's commits focused on implementing features related to creating and managing app extensions within the Shopify CLI. Their contributions involved creating new commands, modifying form logic, and updating server configuration. They worked across the front-end and back-end of the CLI, including the implementation of new extension types. The user also worked on identifying and including support for required resources to allow users to create new apps with ease.
clishopify-clifasteroclifshopify
Shopify/cli
Aug 2021 - Apr 2022
Build apps, themes, and hydrogen storefronts for Shopify
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:61 commits in 7 months
Contributions summary:Konstantin primarily worked on the server-side implementation for the Shopify CLI extensions. They refactored the server application to use the Gorilla Mux router, enhanced asset serving, and introduced a testing framework. The user also contributed to defining API endpoints, manifest structures, and server setup. Overall, the user's contributions focused on building a robust and testable backend infrastructure for managing and serving extensions.
cliecommercehydrogenoclifthemes
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