# John Davidson

> Software Engineer

Location: San Francisco, California, United States
Profile: https://flows.cv/johndavidson

To create high-quality software with a talented team to benefit our customers specifically and everyone generally.

## Work Experience
### Software Engineer @ Bridge
Jan 2024 – Present | San Francisco

### Software Engineer @ Block
Jan 2023 – Jan 2024 | San Francisco, California, United States
* Developed shared code for Android and iOS with Kotlin Multiplatform.
* Integrated features with custom hardware over NFC-based communication channel.
* Built multiple methods of account recovery via hardware, cloud backup, Delay + Notify, etc.
* Provided technical, product, and design input for complex interactions between app, user, hardware, cloud, and server.

### Software Engineer @ Okta
Jan 2020 – Jan 2023 | San Francisco Bay Area
* Updated and composed dependency injection for multiple apps.
* Designed and implemented mobile feature flag system for controlling feature access.
* Planned major overhaul of legacy in-app storage.
* Organized and often presented team events to promote best practices and improve code quality.

### Software Engineer @ Common Networks
Jan 2019 – Jan 2020 | San Francisco Bay Area
* Developed features for Google Cloud Platform application.
* Implemented front-end features in React.

### Android Software Developer @ Square
Jan 2013 – Jan 2019 | San Francisco
* Wrote and executed validation documents for new hardware.
* Provided on-site and remote support for factory builds in China.
* Worked with native libraries and JNI to support several generations of Square card readers over audio, Bluetooth, and BLE.
* Created pairing UI for wireless card readers.
* Developed and supported features for launch of Square Register in Australia.
* Implemented secure PIN entry system for chip-and-PIN markets.
* Created in-house localization utilities for formatting numbers, currencies, and dates.
* Developed country-specific payment types and features for foreign releases.
* Created EMV payment UI.
* Worked as part of a team to modernize the visual presentation of Square Register's UI, including styles, animations, and custom widgets.

### Software Engineer: Android Focus @ Rackspace, the Open Cloud Company
Jan 2013 – Jan 2013 | San Francisco Bay Area
Created a Cloud Server management application for Android:
* Founded mobile team.
* Developed data synching system.
* Integrated with Android AccountManager to enable multi-account support.
* Created scripts facilitating asset creation. (E.g. generating and optimizing nine-patch images.)
* Implemented in-app support chat feature.

### Software Engineer: Web Frontend Focus @ Rackspace, the Open Cloud Company
Jan 2010 – Jan 2012 | San Francisco Bay Area
Created a unified web control panel for managing multiple Rackspace products and services.
* Developed and maintained several generations of the Cloud Servers web application.
* Designed and developed event-driven data model system, facilitating live updates across all views.
* Integrated multiple data sources in the browser, including proxied API calls, polling, and Socket.IO.
* Created many reusable custom UI widgets.
* Wrote extensive JavaScript unit and integration tests using Jasmine.

### Frontend Engineer @ Cloudkick, Inc.
Jan 2010 – Jan 2010
Developed web UI for Cloudkick server monitoring service.
* Developed new interface, replacing jQuery with Google Closure Library.
* Applied our UI progress toward the creation of a unified web control panel for Rackspace.

### Staff Researcher @ QB3
Jan 2009 – Jan 2010 | Berkeley, California
* Investigated protein structure through homology-based methods.
* Executed user-submitted actions via Sun Grid Engine.
* Created and maintained web applications across multiple languages and frameworks, chiefly Django.
* Collected genomic and proteomic metrics for scientific investigation.

### Student Developer @ Oregon State University Open Source Lab
Jan 2008 – Jan 2009
* Developed the Protein Geometry Database.
* Created data visualization page, using queried protein data to generate a Ramachandran plot.
* Provided scientific context for team.


## Education
### Bachelor of Science (B.S.) in Computer Science
Oregon State University


## Contact & Social
- LinkedIn: https://linkedin.com/in/john-davidson-15b82028

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Source: https://flows.cv/johndavidson
JSON Resume: https://flows.cv/johndavidson/resume.json
Last updated: 2026-04-10