John Arundel
Owner at BITFIELD CONSULTING LIMITED
Lostwithiel, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolJohn Arundel is a seasoned Go and Rust engineer, trainer, and author with 16+ years helping teams build cloud-native, observable, and highly automated infrastructure. As owner of Bitfield Consulting he mentors developers, writes about Go/Rust practices, and brings hands-on experience delivering Kubernetes, CI/CD and Terraform-driven systems for clients including Raspberry Pi Foundation, JustPark and CareZone. He contributes technical writing and documentation improvements to prominent open-source projects such as rust-clippy and rust-lang, improving usability for thousands of Rust users. John's background ranges from systems administration and Puppet-driven automation to modern containerized deployments, giving him a rare blend of legacy ops wisdom and cloud-native engineering. Based in Lostwithiel, England, he pairs pragmatic consulting with structured teaching—often turning tricky topics like TDD in Go and observability into clear, actionable guidance. An unusual credential: he jokingly holds a "1st Dan Black Belt in Gopherology," reflecting a long-running commitment to the Go community.
16 years of coding experience
6 years of employment as a software developer
LPIC-1 Linux Professional Institute Certification, LPIC-1 Linux Professional Institute Certification at Linux Professional InstituteBSc Computing, BSc Computing at University of East AngliaA+ Certified Hardware Technician, A+ Certified Hardware Technician at CompTIASCSA Sun Certified Solaris Administrator, SCSA Sun Certified Solaris Administrator at Sun Microsystems1st Dan Black Belt in Gopherology, 1st Dan Black Belt in Gopherology at Bitfield Institute of Technology
French, German, Spanish, English, Chinese, Esperanto, Italian
Github Skills (29)
kubernetes10
docker10
testing10
configuration-management10
clippy10
software-quality10
dockers10
cicd10
compiler-compiler10
go10
helm10
build-automation10
kubernetes-pods10
file-handling10
compiler10
Programming languages (19)
Github contributions (5)
bitfield/script
Apr 2019 - Dec 2022
Making it easy to write shell-like scripts in Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:80 reviews, 168 commits, 97 PRs in 3 years 8 months
Contributions summary:John focused on implementing core functionalities for a Go-based scripting library. Their contributions included the initial setup with basic functionality (cat, count lines, echo). They added features like closing files, refactored code, and included methods to enhance functionality of the library. Further, the user refactored and added tests to ensure the functionality and reliability of the library.
golangscriptscriptingsedtail
cloudnativedevops/demo
Apr 2018 - Feb 2020
Role in this project:Cloud Engineer & DevOps Engineer
Cloud Engineer & DevOps EngineerContributions:60 commits, 9 PRs, 43 pushes in 1 year 10 months
Contributions summary:John primarily focused on setting up and configuring a demonstration application for cloud-native DevOps practices. They added core application code in Go, implemented configuration management, and refactored the application for different deployment scenarios, including Kubernetes, Helm, and ConfigMaps. Furthermore, the user updated Dockerfiles and added tests, showing a focus on CI/CD and infrastructure.
devopsdockerkubernetescloud-native
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