James Barwell
Software Engineer at Rentpal
York, England, United Kingdom
Summary
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SeniorJames Barwell is a software engineer with 14 years’ experience building fast, scalable web applications and operating their platforms for organisations including Sky Bet, Orange and the NHS. He works across the full stack with a practical emphasis on JavaScript/Node.js, Python, PHP, Docker and AWS, and combines hands-on development with automation and DevOps responsibilities. As a consultant and current engineer at Rentpal, he thrives in Agile teams and delivering production-ready systems for mobile and desktop. An active open-source maintainer, he improved usability and error handling for the rpi-gpio.js library, showing an attention to robustness and developer experience. Based in York, he centralises contact and project work on GitHub rather than social platforms, reflecting a preference for direct, project-focused collaboration. Colleagues describe him as pragmatic and reliability-minded, turning complex requirements into maintainable, well-documented solutions.
14 years of coding experience
8 years of employment as a software developer
Github Skills (8)
gpio10
fs10
nodejs10
javascript10
raspberry-pi10
async9
event-emitter9
testing3
Programming languages (8)
Github contributions (5)
JamesBarwell/rpi-gpio.js
Jun 2012 - May 2020
Control Raspberry Pi GPIO pins with node.js
Role in this project:
Back-end Developer
Back-end DeveloperContributions:252 commits, 19 PRs, 74 pushes in 8 years
Contributions summary:James primarily contributed to the core functionality of the `rpi-gpio.js` project, which involves controlling Raspberry Pi GPIO pins. The commits show the user refactoring the code, improving the interface, and fixing error handling. The user also added documentation and implemented a more robust setup process, suggesting a focus on improving the library's usability and reliability.
nodejsraspberry-pi-gpioraspberry-pigpio-pinsjavascript
JamesBarwell/lilypond-folk-tunes
Feb 2024 - Jun 2026
Contributions:84 pushes, 5 branches, 34 tags in 2 years 4 months
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