Marcel Caspar
Chief Technology Officer at CARAgames
Munich, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolMarcel Caspar is a pragmatic technology leader and CTO based in Munich with 11 years of professional experience and deep C++ roots from full-stack engineering to product leadership. He blends hands-on backend expertise—demonstrated by contributions to a popular Java Telegram bot library, where he improved audio handling and robust API response processing—with entrepreneurial drive as founder of game studio CARAgames. After a decade-long tenure at WEBSALE AG and a successful freelance phase, he excels at quickly learning new stacks and turning research into shipping features. Marcel is an all-rounder who prefers solving real-world problems, often picking up niche technical details himself rather than outsourcing them.
11 years of coding experience
13 years of employment as a software developer
IT Technical Assistant, IT Technical Assistant at Staatl. Berufsschule I Bamberg
Github Skills (8)
r-telegram-bot10
javas10
telegram-bot-api10
java10
telegram-bot10
apidoc9
api9
spring-boot8
Programming languages (11)
Github contributions (5)
rubenlagus/TelegramBots
Mar 2016 - Mar 2019
Java library to create bots using Telegram Bots API
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 commits, 14 PRs, 156 comments in 3 years
Contributions summary:Marcel primarily contributed to the back-end logic of the Telegram bot library. They added functionality to send audio messages, including implementing the `DURATION_FIELD` and associated getter/setter methods. Additionally, the user modified the `AbsSender` class to correctly process the responses from the Telegram API, handling potential errors and extracting the message result. They also added a method to retrieve files by ID.
spring-boottelegram-bottelegram-bots-apiapimaven
Clevero/Droptiles
Jan 2015 - May 2015
Contributions:151 pushes, 2 branches in 4 months
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