Kasper Sanguesa-franz
Principal Developer at Lenstore
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolKasper Sanguesa-franz is a Principal Developer based in London with 14 years of hands-on experience designing and owning web architectures, APIs, and internal systems for customer service and warehouse operations. He blends deep PHP/Laravel and backend expertise with front-end sensibilities, contributing to notable open-source projects like Pterodactyl (game server management) and Beekeeper Studio (SQL client). Known for pragmatic leadership, he progressed from developer to lead and principal roles while running startups and community-run gaming infrastructure, giving him rare operational experience across Linux, Docker, and large-scale server management. Kasper pairs product-minded engineering with a focus on security and readable code, often improving developer UX such as query execution displays and server management workflows. His background in running events and founding communities informs a collaborative, user-focused approach to platform reliability and developer tooling.
14 years of coding experience
7 years of employment as a software developer
Positive Psychology in Management, Positive Psychology in Management at KEA - Københavns ErhvervsakademiAP Computer Science Neurale networks and Software development for Android, AP Computer Science Neurale networks and Software development for Android at Zealand - Sjællands ErhvervsakademiHTX Teknologi, HTX Teknologi at CELF
Danish, English, German, Swedish
Stackoverflow
619reputation
108kreached
52answers
5questions
Github Skills (30)
javascript10
back-end-development10
laravel-mix10
databases10
laravel10
php10
vue10
vue-jsx10
database10
database-api9
ui-design8
sql6
font-awesome6
css6
java6
Programming languages (15)
Github contributions (5)
pterodactyl/panel
Apr 2017 - Oct 2017
Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 6 PRs, 20 comments in 5 months
Contributions summary:Kasper primarily contributed to the back-end logic of the Pterodactyl panel. Their work involved modifying server management features, including tasks, variables, and server overviews. They addressed issues related to server suspension, variable rules, and database interactions. Additionally, the user made adjustments to improve code style and integrate merge changes.
react-phptailwindcssintuitivemindisolated
beekeeper-studio/beekeeper-studio
Jun 2020 - Jun 2020
Modern and easy to use SQL client for MySQL, Postgres, SQLite, SQL Server, and more. Linux, MacOS, and Windows.
Role in this project:Front-end Developer
Front-end DeveloperContributions:5 commits, 1 PR, 6 comments in 9 days
Contributions summary:Kasper primarily focused on enhancing the user interface of the SQL client. Their contributions included adding execute time information to the query editor results, improving the presentation of affected rows, and refactoring code for improved clarity. They also made adjustments to the display of query execution details, incorporating human-readable time formats.
sql-serverelectronmysqlwindowsmac-app
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