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Jon Carstens

PROFILE

Jon Carstens

Worked on the nerves-hub/nerves_hub_web repository, delivering features that enhanced backend reliability, security, and developer workflows. Built a modular extension framework for device health monitoring and GeoIP, decoupling new features from firmware updates and enabling granular configuration at product and device levels. Improved CI/CD pipelines using Docker, Elixir, and GitHub Actions, introducing PR-based Docker image publishing and modernizing the build environment for faster, more reliable releases. Developed a Dockerfile-based UI asset build pipeline to ensure reproducible frontend builds. Added a role-based server administration dashboard and upgraded Phoenix LiveView, while addressing API script execution timeouts and reducing log noise.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

9Total
Bugs
2
Commits
9
Features
6
Lines of code
2,430
Activity Months4

Work History

March 2025

2 Commits • 1 Features

Mar 1, 2025

March 2025 (nerves_hub_web) focused on stabilizing runtime script execution and strengthening CI/CD for faster, more reliable releases. Key outcomes include a robust fix for API-script execution timeouts, refactoring to respect the script runner's return values, and a comprehensive CI stack upgrade to Elixir, Erlang/OTP, Ubuntu base image, fwup, and GitHub Actions cache, delivering improved reliability and performance.

January 2025

3 Commits • 2 Features

Jan 1, 2025

January 2025: Delivered key capabilities in nerves_hub_web that improve security, observability, and maintainability. Implemented RBAC-enabled Server Administration Dashboard via Oban integration for server introspection, upgraded Phoenix LiveView to 1.0 with formatting consolidation, and reduced log noise by removing unnecessary auditing for unsupported API versions. These changes position the product for scalable server management, clearer operational logs, and a cleaner, future-ready codebase.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for nerves_hub_web focusing on delivering a Dockerfile-based UI asset build pipeline that enables the new UI assets.deploy process. The change ensures Tailwind and ESBuild assets are built within the container by copying assets from a previous stage, improving build reproducibility and reliability for the UI pipeline.

November 2024

3 Commits • 2 Features

Nov 1, 2024

Monthly work summary for 2024-11 focusing on key accomplishments for nerves-hub/nerves_hub_web. Delivered two major features, enhanced CI reliability for PR-driven releases, and introduced a modular extension framework to support GeoIP and device health monitoring. Emphasis on business value through faster, fork-friendly release workflows and configurable feature toggles at the product and device levels, with a design that decouples extensions from firmware updates.

Activity

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Quality Metrics

Correctness86.8%
Maintainability87.8%
Architecture84.4%
Performance77.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

DockerfileElixirHTMLShellYAML

Technical Skills

API DevelopmentAPI IntegrationAccess ControlBackend DevelopmentBuild EngineeringCI/CDDatabase ManagementDevOpsDockerEctoElixirFull Stack DevelopmentGitHub ActionsPhoenix FrameworkPhoenix LiveView

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

nerves-hub/nerves_hub_web

Nov 2024 Mar 2025
4 Months active

Languages Used

ElixirShellYAMLDockerfileHTML

Technical Skills

Backend DevelopmentCI/CDDockerEctoElixirFull Stack Development