Joshua Companion
Product Engineer | AI Applications, Mobile & Full Stack
Austin, Texas · joshcompanion@gmail.com · (512) 539-8969
joshcompanion.com · linkedin.com/in/joshuacompanion · github.com/jcompanion
Summary
Product engineer with experience shipping React Native and Expo apps to iOS and Android, building full-stack web products, and integrating AI into user workflows. Work spans telemedicine, clinical research, fintech, AI content generation, browser extensions, and image processing infrastructure.
Experience
Software Engineer | Sleeper
April 2026 - October 2026
Developed across Sleeper's production React Native mobile app and Next.js website as part of its engineering team, contributing to mobile and web experiences for the fantasy sports platform.
Full Stack Engineer | AutoHDR
January 2025 - April 2026
Austin, TX
Developed the web and backend platform for automated real estate photography editing, working across Next.js, FastAPI, Python, and AI image processing infrastructure on AWS.
- Built containerized ML inference pipelines on AWS and contributed to infrastructure migration from GCP.
- Built quality validation and alerting tools, plus data pipelines for image grouping, deduplication, and dataset preparation.
Lead Mobile & Full Stack Engineer | Ecordia Studios
November 2023 - 2024
Austin, TX
Led development and release of React Native and Expo applications across health tech, clinical research, fintech, and AI.
- Built HubaVet's WebRTC telemedicine experience and a clinical research app with a Next.js dashboard for recordings and reporting.
- Developed Olympus AI's fitness tracking foundation with Arduino integration, GraphQL through AWS Amplify, and DynamoDB.
- Implemented shared mobile and web code, push notifications, and OTA updates.
Lead Engineer | PouncerAI Inc.
2023 - 2024
Austin, TX
Built an AI-powered Chrome extension for personalized Upwork proposal generation with the OpenAI API.
- Led extension architecture and implementation, including migration from Plasmo to a custom extension architecture.
- Built feature toggles with user segmentation and browser integration with error handling.
Senior Front-End Engineer | Volcon
March 2022 - October 2023
Round Rock, TX
Owned development of the company website and digital presence.
- Built Node.js backend infrastructure for the mobile application and integrated Stripe payments for vehicle preorders.
Independent Products
Happii Apps
Own business with partner Daniel. Products include Swipy, a photo cleaner, and Recap, an audio notes app. Pouch Tracker is nearing release; GlossyShots, a screenshot web app, is in development.
Technical Skills
Mobile: React Native, Expo, TypeScript, React Navigation, OTA Updates, Push Notifications, Reanimated, NativeWind
Web & Backend: React, Next.js, Node.js, Python, FastAPI, GraphQL, REST APIs, WebSockets, Supabase, Firebase, PostgreSQL, AWS
AI & Automation: OpenAI API, AI Content Generation, ML Inference Pipelines, Chrome Extension APIs, Plasmo
Delivery & Integrations: Git, Docker, EAS Build, CI/CD, Jest, Maestro, Sentry, Stripe, Plaid, WebRTC
Education
Front End Web Development & Software Engineering Bootcamp
Team Treehouse | August 2020 | Credential ID: 21550198