Anthony Fresina

Senior Software Engineer with extensive expertise in React Native and TypeScript, specializing in cross-platform mobile development. Proven track record of leading successful mobile projects across iOS and Android platforms, with deep experience in native development using Swift, Kotlin, and Java. Led and delivered top-performing mobile applications, SDKs, and APIs for startups and established companies across Finance, IoT, Healthcare, Alternative Energy, EdTech, and Consumer Internet sectors. Strong full-stack capabilities with AWS, Python, and TypeScript, complemented by expertise in CI/CD pipelines, IoT integration, and complex binary framework development.

Professional Experience

Hyperion Biosystems
2020 - Present
hyperionbiosystems.com
Built and managed multiple React Native applications for internal tools as well as client use. Developed complex binary framework project integrated into multiple software systems and React Native apps. Implementation of CI/CD with GitLab and Bitrise. Performed native iOS development in Swift and backend work in Python with Flask web/API architecture. Executed IoT integration with Bluetooth LE and custom hardware. Extensive use of AWS cloud services for scalable infrastructure, including EC2, DynamoDB, S3, AppSync, IAM and Cost Center.
Docket Health
2020 - 2024
dockethealth.com
Developed React Native, Android (Kotlin and Java), and Swift mobile applications with heavy emphasis on TypeScript. Built and shipped production releases while maintaining ongoing feature development and bug fixes. Partnered with public health organizations to expand consumer access to health records. Contributed to achieving Top 10 ranking in iOS Medical category.
Helium
2016 - 2020
helium.com
Developed early versions of Helium mobile apps in native iOS and Android. Performed IoT integration with BLE and custom hardware, including scripting and GATT database read/write operations. Built crypto wallet component for Helium HNT coin. Later collaborated with mobile development team to port native applications to React Native, focusing on Android app build and deploy processes, bug fixes, and feature implementation.
Defqt Camera App
2014 - 2024
Technical founder and co-creator. Engineered GLSL fragment shader effects for iOS camera implementation. Implemented intensive GPU processing using custom GPU frameworks. Developed application using Objective-C, Swift, and scripting technologies.

Technical Skills

Mobile Development: React Native, TypeScript, Swift, Kotlin, Java, Objective-C
Backend & Cloud: Python, Flask, FastAPI, Node.js, AWS, MongoDB, Postgres
Frontend: React, NextJs, JavaScript, TypeScript
IoT & Hardware: Bluetooth Low Energy (BLE), GATT, Custom Hardware Integration
DevOps: Terraform, Github Workflows, CI/CD, GitLab, Bitrise
Graphics & Performance: GLSL, GPU Programming, GPUImage