Foundation
Core Technologies (10+ years)
Javascript, SQL, Git, REST APIs, mobile and web development
PORTFOLIO / 2025
Ethan Neff
Tech Lead with expertise in scaling mobile systems, building high-performing teams, and driving cross-functional strategic vision.
Available for work
Sunnyvale, CA
CURRENTLY
Staff Software Engineer
@ Alto
2020 — Present
FOCUS
React NativeReactGraphQLNodeGo
Experience
2012 — 2025
2020
Staff Software Engineer
Alto
Led and launched a new React Native app for providers, migrated 4 web and mobile codebases into a single monorepo, and led cross-team platform upgrades. Empowered engineers while managing architecture vision across the organization.
React NativeTypeScriptCI/CDDDD
2018
Tech Lead
Hinge Health
Led a team of 8 while scaling the mobile organization from 3 to 20 engineers. Built the initial app infrastructure and created the sensor engine to render hundreds of SVG pose animations.
React NativeReduxApolloGraphQL
2016
Senior Software Engineer
Branch
Led the link service team to ship features, scale infrastructure, and maintain server requests. Rebuilt and maintained the Cordova and React Native SDKs.
ReactReduxJavaNode
2015
Lead Mobile Developer
BetterHelp
Created the mobile app with Ionic/Cordova to increase new ad channel revenue by 24%. Created the REST API with PHP and the LEMP dev environment with Vagrant.
IonicCordovaPHPAWS S3
Skills & Expertise
Specialization
Mobile & Frontend (5+ years)
React Native, React, Redux, Jest, Agile, Lean, AB testing, TypeScript
Backend & Native
Full Stack (3+ years)
Swift, Objective-C, GraphQL, Node, Java, Cordova, Ionic, Fastlane, Redis, Rails
Infrastructure
DevOps & Tools (2+ years)
Docker, K8s, Nginx, SEO, WCAG 2.1, Photoshop, Python, Bash, Next.js
Let's Connect
Always excited to connect on opportunities, collaborations, and conversations in technology and leadership.