# High Fidelity

> Senior engineering, technical leadership, and product strategy for teams that need experienced hands without adding a full-time hire.

High Fidelity is the independent practice of Colin O'Brien, a senior web engineer & technical lead based in Colorado with more than 20 years across development, product, UX, publishing, and digital strategy. He works directly with companies and partners with agencies that need senior engineering capacity.

Contact: info@highfidelity.dev, +1-970-404-0988. Booking new projects.

## Services

- Platform modernization & migrations
- Senior engineering
- Fractional technical leadership
- Product & experience design

## Case studies

- [From vibe-coded prototype to production](https://www.highfidelity.dev/work/proposal-builder/): Taking a client's Lovable-built proposal tool the last 20%: audit, database, auth, workflow, and hosting
- [Drupal → WordPress migration](https://www.highfidelity.dev/work/drupal-wordpress-migration/): 25,000 posts migrated from an end-of-life Drupal platform
- [Vacation rental platform](https://www.highfidelity.dev/work/vacation-rental-platform/): Discovery, design, and front-end build for a high-volume booking site
- [Outside](https://www.highfidelity.dev/work/outside/): Scaling a publishing platform from 4 to 36 properties

## Lab

Small tools, prototypes, experiments, and technical notes.

- [How this website was made](https://www.highfidelity.dev/lab/how-this-site-was-made/): A local Qwen model, three coding harnesses, one prompt, and Claude Design to bring the best ideas together.
- [Vinyl Scan](https://www.highfidelity.dev/lab/vinyl-scan/): A local-first app for photographing, identifying, grading, and triaging a record collection, built around buying whole collections at estate sales.
- [Scout](https://www.highfidelity.dev/lab/scout-price-check/): A mobile price checker for garage sales: snap a photo, identify the item, and pull comparable eBay listings in seconds.
- [Island Embed](https://www.highfidelity.dev/lab/island-embed/): A WordPress plugin that drops a built Astro site into any page with a shortcode.
- [Trimm](https://www.highfidelity.dev/lab/trimm/): A focused desktop app for trimming audio loops into clean samples, built for Teenage Engineering's EP series.
- [ListingLens](https://www.highfidelity.dev/lab/listinglens/): Proofs of concept for using vision AI to find gaps in vacation rental listings, comparing photos and copy across booking channels.
- [Image Crop & Export](https://www.highfidelity.dev/lab/imgconvert/): A browser-only tool for cropping one photo into every size a CMS needs and downloading them as WebP files.
- [Sora Prompt Generator](https://www.highfidelity.dev/lab/sora-prompt-gen/): A structured form for building video-generation prompts: scene, cinematography, action, and audio.
- [CardWizard](https://www.highfidelity.dev/lab/cardwizard/): An afternoon experiment in AI tarot: draw a three-card spread and get an interpretation from a language model.

## Links

- [Home](https://www.highfidelity.dev/)
- [About](https://www.highfidelity.dev/#about)
- [Contact](https://www.highfidelity.dev/#contact)
- [linkedin.com](https://www.linkedin.com/in/colinobrien1/)
- [github.com](https://github.com/seafarer)