Cefn Hoile
Senior Software Engineer at Roku Inc.
Kendal, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolCefn Hoile is a Senior Software Engineer with 12+ years of experience delivering full-stack web applications and cloud-native infrastructure, currently shaping systems at Roku. He combines deep Typescript and Node.js expertise with practical DevOps skills—Terraform, Kubernetes, Helm and CI/CD—plus a history of trunk-based development, monorepos and microfrontend decomposition. Cefn is an active open-source contributor to hardware-focused projects such as adafruit/Adafruit_Blinka, reflecting uncommon cross-domain fluency from embedded CircuitPython to large-scale cloud services. A thoughtful mentor and operator, he routinely pairs with teams to improve testing, monitoring and secure deployment pipelines. Outside of engineering he founded and runs a weekly community parkrun, demonstrating sustained leadership in both technical and civic spheres.
12 years of coding experience
20 years of employment as a software developer
Monmouth SchoolMSc, Self Organising systems and Artificial Life, MSc, Self Organising systems and Artificial Life at Sussex UniversityPhilosophy BA Hons First Class, Philosophy BA Hons First Class at Nottingham UniversityMSc, Evolutionary and Adaptive Systems, MSc, Evolutionary and Adaptive Systems at University of SussexMRes, Digital Economy, Distinction, MRes, Digital Economy, Distinction at Lancaster University
Stackoverflow
441reputation
37kreached
21answers
1question
Github Skills (22)
py10
python10
abstraction10
abstraction-layer10
sys10
micropython10
adafruit-circuit-python10
embedded10
testing9
i2c8
spi8
github7
jquery-selectors6
rsync6
command-line6
Programming languages (23)
Github contributions (5)
adafruit/Adafruit_Blinka
Feb 2018 - Feb 2018
Add CircuitPython hardware API and libraries to MicroPython & CPython devices
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:168 commits, 1 PR, 14 comments in 11 days
Contributions summary:Cefn contributed significantly to the `adafruit/adafruit_blinka` repository, focused on enhancing the compatibility of CircuitPython hardware API and libraries across MicroPython and CPython devices. Their contributions involved implementing a strategy for platform detection within the board module, creating cross-platform testing modules, and implementing various utility functions. Furthermore, the user developed initial drafts for digital input/output functionality and bus interfaces, which demonstrates a focus on low-level hardware interaction and cross-platform compatibility.
apipythonhardware-apihardwarecircuitpython
ShrimpingIt/projects
Apr 2015 - May 2020
Contributions:46 commits, 55 pushes, 1 branch in 5 years 2 months
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