Felix Spöttel
Senior Software Engineer at hema.to GmbH
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolFelix Spöttel is a Senior Software Engineer based in Berlin with 11 years of experience building backend systems and shipping user-focused features. He has progressed from independent web development through roles at Propertybase, Ciara/Unique, and now hema.to, bringing production-grade engineering and product sensitivity to each team. Felix has hands-on experience improving authentication and security UX—demonstrated by his notable contributions to the popular open-source Mail-in-a-Box project where he implemented 2FA flows, API endpoints, schema changes and TOTP integration. Comfortable across database-backed services and refactors that improve maintainability, he pairs pragmatic engineering with attention to user experience. Colleagues value him for turning complex security requirements into simple, reliable interfaces that scale.
11 years of coding experience
10 years of employment as a software developer
Freie Universität Berlin
English, German, French
Github Skills (17)
back-end-development10
apidoc10
python10
flask-ask10
security10
api10
totp10
flask10
send-email9
sendmail9
database-design9
mailing9
e-mail9
server8
smtps7
Programming languages (20)
Github contributions (5)
mail-in-a-box/mailinabox
Sep 2020 - Oct 2021
Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 reviews, 26 commits, 5 PRs in 1 year 2 months
Contributions summary:Felix primarily contributed to implementing and improving the two-factor authentication (2FA) functionality within the Mail-in-a-Box project. They developed a user interface for managing 2FA, including setup, disable, and status views, along with associated API endpoints. Their work involved modifications to the back-end code, including database schema updates and integration with a TOTP library for code validation. The user's contributions also included refactoring the code and improving the layout and user experience for the login.
everythingdovecotdkimdisposablemailbox
fspoettel/arkham.build
Jun 2024 - Apr 2025
Deck builder for Arkham Horror: The Card Game™
Contributions:87 releases, 19 reviews, 157 PRs in 9 months
arkham-horrorarkham-horror-lcgdeck-building
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