Tzachi Dar
Software Architect at Mellanox Technologies Inc
Israel
Summary
🤩
Rockstar🎓
Top SchoolTzachi Dar is a seasoned Software Architect with 11+ years of engineering experience, currently shaping Windows and system-level architecture at Mellanox in Israel. His background includes a lengthy tenure at Microsoft and deep practical knowledge of backend, DevOps and mobile subsystems, evidenced by contributions to open-source projects like openaps/oref0 and the diabetes-focused xDrip Android app. Tzachi blends low-level Windows expertise with cloud-operational improvements—adding logging, automated maintenance scripts and data uploads to enhance reliability and monitoring. He is comfortable moving between firmware-adjacent mobile work and production orchestration, and often focuses on pragmatic fixes that improve observability and long-term operability. Trained at Technion, he pairs academic rigor with hands-on troubleshooting across large-scale networking and device integration domains.
11 years of coding experience
7 years of employment as a software developer
Technion - Israel Institute of Technology
Github Skills (35)
mobile-development10
scripting10
bash10
android-sdk10
android-development10
java10
mobile-application10
javas10
automation10
script10
sh10
automations10
shell10
signal-processing9
cout9
Programming languages (7)
Github contributions (5)
openaps/oref0
Dec 2018 - Dec 2022
oref0: The open reference implementation of the OpenAPS reference design.
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:54 commits, 24 PRs, 100 comments in 4 years 1 month
Contributions summary:Tzachi primarily contributed to the back-end functionality and operational aspects of the OpenAPS reference implementation. Their commits involved fixing typos and addressing bugs, specifically within the shell scripts responsible for the system's automated processes. They also introduced features related to logging and data handling, such as integrating Apache chainsaw and modifying scripts to upload status data to Nightscout, enhancing the system's monitoring capabilities. Furthermore, the user implemented improvements to the system's reliability and operational efficiency, including adding scripts to delete old device status entries and enabling the disabling of the screen.
openapsopenapi3oref0openapireference-implementation
StephenBlackWasAlreadyTaken/xDrip
Dec 2014 - Feb 2015
Android Application that collects dex signals, allows calibrations, and uploads
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:20 commits, 8 PRs, 15 comments in 1 month
Contributions summary:Tzachi primarily contributed to the development of the Android application "xdrip", focusing on features related to glucose monitoring and sensor data collection. Their work included adapting the application to support older Android versions, integrating new functionality such as reading data from a "wifi wixel" device, and implementing core features such as reading data from various devices and uploading the data to a Mongo database. The contributions also involved UI adjustments and changes to the navigation drawer, indicating a focus on improving the user experience within the app.
dexsignalsandroid-applicationandroid
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