On Freund
Co-Founder & CEO at Spetz
Tel-Aviv District, Israel
Summary
🤩
Rockstar🎓
Top SchoolOn Freund is a seasoned product and engineering leader with 11 years of experience building and scaling technology teams and products from early startups to global companies. He has led engineering and product at organizations like WeWork and Handy, co-founded Wilco, and now works in product at Lemonade while actively investing and advising multiple startups. A hands-on developer earlier in his career, he contributes to notable open-source projects such as Home Assistant—working across frontend UI improvements and backend integrations that emphasize reliability and local-first automation. His background spans low-level systems and full-stack web platforms, giving him rare fluency in both product strategy and technical execution. Based in Tel Aviv, he combines operational leadership with an investor’s lens, often stepping into board and advisory roles to accelerate growth. Colleagues credit him for lifting teams from prototype to high-throughput production systems while keeping a pragmatic focus on quality and user experience.
11 years of coding experience
11 years of employment as a software developer
B.Sc. Computer Science, B.Sc. Computer Science at Tel Aviv University
English, Hebrew
Stackoverflow
4,416reputation
641kreached
116answers
5questions
Github Skills (24)
lit-element10
javascript10
pytest10
python10
testing10
internet-of-things10
web-components10
asyncio10
iot10
home-assistant10
frontend10
home-automation10
sensor9
error-handling9
html9
Programming languages (14)
Github contributions (5)
home-assistant/core
Nov 2017 - Jan 2023
:house_with_garden: Open source home automation that puts local control and privacy first.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:357 reviews, 91 commits, 106 PRs in 5 years 3 months
Contributions summary:On primarily contributed to the Risco integration, focusing on adding new features and enhancing existing ones. Their work included implementing local push support, adding alarmed binary sensors, and modifying the alarm control panel. They addressed code review comments, added type hints, and refactored parts of the code, indicating a focus on code quality and functionality within the home automation system. The user also addressed connection reset issues and added a system binary sensor for monitoring troubles.
raspberry-pipythonhouseprivacy-firstasyncio
home-assistant/frontend
Sep 2019 - Oct 2020
:lollipop: Frontend for Home Assistant
Role in this project:Front-end Developer
Front-end DeveloperContributions:15 reviews, 4 commits, 5 PRs in 1 year 1 month
Contributions summary:On primarily contributed to the frontend of Home Assistant. Their work involved modifying UI components such as the state history chart, and configuration flow input fields. They also added functionality for event triggers and enhanced user picker components. Furthermore, the user addressed suggested values in the configuration flow and added the "image" domain to the const definitions.
user-interfacelit-elementassistanthome-automationwebcomponents
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