Ryan Peterson
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Ryan Peterson Email & Phone Number

Cofounder and CTO at Practist
Location: Denver, Colorado, United States 9 work roles 1 school
1 work email found @practist.io 1 phone found area 303 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email r****@practist.io
Direct phone (303) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Cofounder and CTO
Location
Denver, Colorado, United States
Company size

Who is Ryan Peterson? Overview

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Quick answer

Ryan Peterson is listed as Cofounder and CTO at Practist, a with 2 employees, based in Denver, Colorado, United States. AeroLeads shows a work email signal at practist.io, phone signal with area code 303, and a matched LinkedIn profile for Ryan Peterson.

Ryan Peterson previously worked as Cofounder/CTO at Practist and Senior iOS Performance Engineer at Product Science Inc.. Ryan Peterson holds Bachelors, Mis from University Of Arizona.

Company email context

Email format at Practist

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{first}@practist.io
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AeroLeads found 1 current-domain work email signal for Ryan Peterson. Compare company email patterns before reaching out.

Profile bio

About Ryan Peterson

Ryan Peterson is a Cofounder and CTO at Practist. He possess expertise in mobile devices, mobile applications, user experience, javascript, css and 3 more skills.

Listed skills include Mobile Devices, Mobile Applications, User Experience, Javascript, and 4 others.

Current workplace

Ryan Peterson's current company

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Practist
Practist
Cofounder and CTO
Denver, CO, US
Website
Employees
2
AeroLeads page
9 roles

Ryan Peterson work experience

A career timeline built from the work history available for this profile.

Cofounder And Cto

Denver, Co, Us

Cofounder/Cto

Current
Mar 2024 - Present

Senior Ios Performance Engineer

* Designed and implemented network activity tracing using Objective-C method swizzling.* Architected an on-screen barcode to enable syncing of screen recordings with trace events, displayed from a background thread using Metal and CoreImage.* Wrote code to automatically configure client build settings (Xcode, SPM, and Bazel supported).* Added features and fixed bugs related to source code injection (using SwiftSyntax).* Wrote scripts to build, notarize, and staple our tools for distribution to client.* Configured and re-signed ad-hoc iOS apps shared by clients. Steps included modifying Mach-O load commands, interposing Security framework functions, and modifying entitlements.* Reviewed iOS-related performance insights before they were shared with clients.

May 2022 - Oct 2023

Senior Ios Engineer

* Responsible for various features, bug fixes and maintenance tasks needed to prepare the Reclip iOS app for App Store release. 100% Swift. Native frameworks used include UIKit (95%) and SwiftUI (5%), Combine, AVFoundation, Core Data and MetricKit. Third-party frameworks include Firebase, Auth0 and Alamofire.* Designed interview challenge questions and other criteria for evaluating potential iOS candidates.* Implemented more than 600 unit tests, added an integration test target to hold slower tests, and built custom Sourcery templates to generate mock objects.

Feb 2021 - May 2022

Senior Software Engineer

Boulder, Co

* Architected and built a Core Data "changes" layer for Appraiser iOS. This layer was responsible for keeping local and remote changes to appraisal data in sync.* Wrote the networking library used by all iOS apps. Features include automatic retries for token-expiration failures and the ability to mock specific requests.* Developed a modular, UI-based debugging library for iOS. Features include easy addition of new debugging features, and drag-and-drop HUD widgets.* Created a GraphQL generation tool for Swift client code. Given a GraphQL endpoint, generates type-safe request and response objects. Written in Python.* Established a dependency injection pattern for use in HouseCanary iOS code. Our implementation utilized protocol conformance to acquire factory methods.* Designed and built server-side APIs for customer-facing products, including the ComeHome REST and GraphQL APIs (written in Go) and the Appraisal REST API (written in Python).

Nov 2016 - Feb 2021

Ios Engineer

Contract

San Francisco, Ca

* iNavX [February 2016 to November 2016] - I was tasked with bringing the codebase up to modern standards, and with adding several features including in-app purchases and network syncing. Written in Objective-C.* Stitch Fix iOS [March 2015 to January 2016] - I worked with developers at Stitch Fix and Carbon Five to build v1.0 of their iOS app. Written in Swift.* Flixfindr iOS [November 2014 to March 2015] - I built v1.0 of their iOS app. Written in Swift.

Sep 2014 - Dec 2016

Senior Ios Engineer

San Francisco Bay Area

* Employee #3.* Key contributor to the second iteration of the consumer iOS app. Time from first line of code to App Store submission took approximately 2.5 months.* Played a key role in architecting and developing the first iteration of the company’s consumer app. It allowed the user to specify item to pick up, pickup address and delivery address.* Primary architect and developer of the courier iOS app. Notifies couriers of available jobs and relays the courier’s progress once a job has been started.

Sep 2011 - Sep 2014

Mobile Developer

Peterson Software, Llc

Boulder, Colorado, United States

* Worked for two months as a subcontractor on Blockbuster's Android application. My primary focus was implementation of the app’s DRM features.* Spent four months working for Postmates remotely as a contract developer before joining them full-time in SF.

Apr 2011 - Sep 2011

Ios Developer

Boulder, Colorado, United States

* Tech lead on the project to build the native iPad Application for The Financial Times. One of 5 iPad applications honored with an Apple Design Award at the 2010 World Wide Developers Conference.* Tech lead on native iPhone Applications for the Financial Times, Fineco, and FTSE.* Member of development team on iOS projects for CNBC, TDWUK, RBS, NatWest and Zecco.* Wrote Ruby scripts used in several projects by the Mobile Applications team.

Feb 2009 - Apr 2011
1 education record

Ryan Peterson education

FAQ

Frequently asked questions about Ryan Peterson

Quick answers generated from the profile data available on this page.

What company does Ryan Peterson work for?

Ryan Peterson works for Practist.

What is Ryan Peterson's role at Practist?

Ryan Peterson is listed as Cofounder and CTO at Practist.

What is Ryan Peterson's email address?

AeroLeads has found 1 work email signal at @practist.io for Ryan Peterson at Practist.

What is Ryan Peterson's phone number?

AeroLeads has found 1 phone signal(s) with area code 303 for Ryan Peterson at Practist.

Where is Ryan Peterson based?

Ryan Peterson is based in Denver, Colorado, United States while working with Practist.

What companies has Ryan Peterson worked for?

Ryan Peterson has worked for Practist, Product Science Inc., Reclip, Housecanary, and Contract.

How can I contact Ryan Peterson?

You can use AeroLeads to view verified contact signals for Ryan Peterson at Practist, including work email, phone, and LinkedIn data when available.

What schools did Ryan Peterson attend?

Ryan Peterson holds Bachelors, Mis from University Of Arizona.

What skills is Ryan Peterson known for?

Ryan Peterson is listed with skills including Mobile Devices, Mobile Applications, User Experience, Javascript, Css, Html, Software Development, and Git.

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