Jonas Geiler
Full-Stack Web Developer at Geiler Jonas
Vienna, Austria
Summary
🤩
Rockstar🎓
Top SchoolJonas Geiler is a full-stack web developer based in Vienna with 10 years of hands-on experience building user-focused web applications and contributing to open source since 2016. He is highly proficient in JavaScript/TypeScript, PHP, HTML/CSS, and specializes in delivering robust, energy-efficient software and polished user experiences. Over the years he has developed deep expertise in Docker and containerization, including contributions to the high-profile Moby (Docker) project—improving rootless Docker and native overlay diffs. Jonas combines practical CI/CD integration skills with a habit of quickly prototyping side projects, reflecting a continual curiosity for new ideas. His background in electronics and computer engineering from HTL Wien West gives him a pragmatic systems-level perspective that informs both front-end and back-end decisions. Colleagues describe him as an open-source enthusiast who turns experimental concepts into dependable production code.
9 years of coding experience
1 year of employment as a software developer
Secondary Education, Linguistic Branch, Secondary Education, Linguistic Branch at Ella Lingens GymnasiumTechnical College Diploma, Electronics and Computer Engineering, Technical College Diploma, Electronics and Computer Engineering at HTL Wien WestPrimary Education, Primary Education at Volksschule Lavantgasse
English, German
Github Skills (9)
golang10
container10
docker10
go10
dockers10
fileio9
system-design9
file-operations9
filesystem9
Programming languages (22)
Github contributions (5)
moby/moby
Mar 2024 - Apr 2024
The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems
Role in this project:
Back-end & System Engineer
Back-end & System EngineerContributions:1 review, 1 PR, 12 comments in 1 month
Contributions summary:Jonas primarily contributes to the `overlay2` graph driver within the Docker/Moby project. Their work focuses on improving the support for rootless Docker and native overlay diffs, specifically addressing user namespace behavior and kernel version compatibility. The contributions involve modifying core functionalities like `ConvertRead` and `ConvertWrite` for archive operations to accommodate these changes. They also refactor error messages for better clarity regarding native diff support.
containerscollaborative-projectgolangcontainer-ecosystemdocker
devRant-Community/random-quote-bot
Apr 2017 - Feb 2018
Contributions:37 commits, 37 pushes, 7 branches in 9 months
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