Matt VerSteeg, Software Developer in San Francisco, CA, United States
Matt VerSteeg

Software Developer in San Francisco, CA, United States

Member since February 25, 2020
Matt is a full-stack mobile app developer with a passion for building beautiful, functional apps to serve complex business needs. Having built several systems from the ground up, he has experience in every step of the process—from concept and design to back-end architecture and CI/CD pipelines. An abundance of in-depth expertise enables Matt to offer a wealth of practical understanding to ensure your app development process goes smoothly.
Matt is now available for hire




San Francisco, CA, United States



Preferred Environment

TypeScript, Kotlin, Swift, React, Android, React Native, Firebase, iOS, Apollo, GraphQL

The most amazing...

...thing I've made is my app Jamr: we are a social media app for musicians to discover and collaborate locally. Check us out in the App Store and Play Store!


  • Senior Full-stack Developer

    2021 - PRESENT
    Circulo Health
    • Developed a full-stack React Native app to serve Medicaid patients with a more empathetic and user-friendly way to manage their care.
    • Engineered an Apollo back end as an orchestration layer communicating with REST servers, a Kafka consumer, Prisma databases, and state-run compliance systems.
    • Implemented an infrastructure-as-code AWS back end using Serverless and Terraform with GitLab runners for CI/CD and testing needs.
    Technologies: Apollo, React Native, GraphQL
  • Lead Mobile Developer

    2019 - 2020
    Inspire Brands
    • Developed and maintained the Arby's app for native iOS and Android—implementing offer delivery, location search, and profile management.
    • Replatformed Arby's App back end onto Firebase, which reduced the average monthly cost from $40,000 to $1,000 while simultaneously improving Android and iOS app ratings from 1.4 and 1.6 to 4.4 and 4.7, respectively.
    • Designed and implemented an in-house profile management system for Buffalo Wild Wings in Firebase.
    Technologies: .NET, Episerver, MuleSoft, Firebase, React Native, Android, iOS
  • Senior Mobile Engineer

    2014 - 2017
    • Developed, designed, and maintained a suite of enterprise mobile apps in Swift, Objetive-C, Java, and Kotlin for a SaaS CRM for real estate agents.
    • Implemented RESTful .NET APIs and a managed database with C# and SQL.
    • Built the (now Etta) app, a collaborative home search tool for iOS and Android.
    Technologies: Perl, SQL, .NET, Android, iOS
  • Research Engineer I

    2013 - 2015
    • Developed electronic warfare systems on the F-16, A- 10, and C-130 aircraft.
    • Designed and created WPF testbed applications in C#.
    • Developed avionics software and support applications in C, C++, Perl, Python, and C#.
    Technologies: Perl, Python, Windows Presentation Foundation (WPF), SQL, VB, .NET, C#


  • Jamr App

    Jamr is a Swift-based social media application that allows musicians to connect with others in their area.

    I was a co-founder of this company alongside a musician and marketing expert I met while traveling. It is supported by a Firebase back end that I developed and features a chat system using the Firebase Realtime Database, cloud storage for user profile photos, authentication, cloud functions, and push notifications.

  • Jamr

    Jamr is a React Native social media app designed for musicians to connect with others in their area. The project was built with myself as the sole developer for the front end and back end, which provided a wealth of experience in every step of the process of ideating, implementing, and iterating on an idea from its conception to its release.


  • Languages

    Swift, JavaScript, TypeScript, Kotlin, SQL, Perl, C#, VB, Python, Java, GraphQL
  • Platforms

    iOS, Firebase, Android, MuleSoft
  • Frameworks

    React Native, Redux, .NET, Windows Presentation Foundation (WPF)
  • Libraries/APIs

    MobX, React, Node.js
  • Tools

    Jira, Git, Prisma
  • Paradigms

  • Other

    Episerver, Apollo


  • Bachelor of Science (BSc) Degree in Computer Engineering
    2008 - 2013
    Georgia Institute of Technology - Atlanta, GA, USA

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