J Koston
Owner at cPanel, Inc
Houston, Texas, United States
Summary
🤩
Rockstar
Top expert inSmart Home Automation and IoT Development
J Koston is a seasoned software engineer and long-time owner at cPanel with 15 years of hands-on experience building reliable back-end systems and polished front-end interfaces. Based in Houston, he is an active open-source contributor across high-profile projects—Home Assistant, aiohttp, CPython, Bleak, and more—where he improves performance, stability, and UX in both asyncio-powered networking and smart-home ecosystems. His work spans deep protocol-level fixes (HTTP chunked encoding, WebSocket handling) to front-end refinements and developer documentation, demonstrating an unusual comfort switching between low-level performance tuning and user-facing UI polish. He also invests in test automation and robustness, adding extensive unit/integration tests and caching/ETag support to speed startups and reduce resource use. Outside code, he signals community commitment through charitable prompts on GitHub, asking supporters to donate to the Maui Food Bank.
15 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (57)
asynchronous10
javascript10
c-language10
integrate10
pytest10
back-end-development10
python10
async10
testing10
mqtt10
http10
homekit10
typescript10
airplay10
user-interface10
Programming languages (13)
Github contributions (5)
home-assistant/core
Feb 2020 - 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:21381 reviews, 3858 commits, 13082 PRs in 3 years
Contributions summary:J focused on refactoring the `solax` integration by converting it to use the `DataUpdateCoordinator`. They also made significant performance improvements to the MQTT component by simplifying and optimizing various operations like adding and removing event bus listeners, as well as validation. Furthermore, the user addressed memory leaks in the recorder component by fixing an issue in the implementation of states and adding support for Bluetooth devices.
raspberry-pipythonhouseprivacy-firstasyncio
python-kasa/python-kasa
Apr 2020 - May 2022
🏠🤖 Python API for TP-Link smarthome products
Role in this project:Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:111 reviews, 19 commits, 98 PRs in 2 years 1 month
Contributions summary:J primarily contributed to the project by implementing unit and integration tests for the TP-Link smart home devices. They added test fixtures for various device models and modified the testing setup to ensure the project's functionality. Additionally, they made code changes to improve the encryption/decryption process used in the protocol and added support for emeter features for strip sockets. These changes reflect their focus on ensuring code reliability and adding support for new product features.
apipythonasynciokasasmartbulb
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.