Seweryn Zeman
CTO at Stream Sage
Silesian Voivodeship, Poland
Summary
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SeniorSeweryn Zeman is a seasoned CTO and co-founder with 14 years of hands-on experience building live-streaming platforms, cloud-native architectures, and end-to-end product delivery. He combines roles from developer and UX designer to infrastructure architect and devops lead, currently steering technology strategy at Jazzy Innovations and Stream Sage. Known for pragmatic architecture choices and A–Z consulting, he helps startups and clients ship robust, scalable systems while improving existing products. His open-source IoT work—enhancing Xiaomi Dafang firmware for motion detection, RTSP streaming and MQTT integration—underscores deep systems and embedded expertise beyond typical application stacks. Based in Silesian Voivodeship, Poland, he blends entrepreneurial drive with operational discipline to lead multidisciplinary implementation teams.
14 years of coding experience
Github Skills (14)
mqtt10
sh10
iot10
embedded10
script10
shell10
sys10
scripting10
mqttnet10
ftp9
smb9
busybox9
file-management8
filesystem8
Programming languages (17)
Github contributions (5)
EliasKotlyar/Xiaomi-Dafang-Hacks
Oct 2019 - Oct 2019
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:8 commits, 10 PRs, 14 comments in 3 days
Contributions summary:Seweryn primarily worked on modifying and enhancing the firmware of a Xiaomi Dafang camera. Their commits focused on adding new functionalities related to motion detection, saving and transferring captured media (snapshots and videos) via FTP and SMB, and integrating MQTT for control and notifications. They implemented features such as resizing and compressing snapshots, streaming video over RTSP, and adding directory structures for organizing stored files. The changes reveal a deep understanding of the camera's internal workings and system-level programming.
cadavre/coupled_alarms
Jun 2019 - Jun 2021
HA component to couple any number of `alarm_control_panel`s to sync their common state.
Contributions:6 commits, 1 PR, 4 pushes in 2 years
couplealarm-controlsynchacsalarm-control-panel
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