Portfolio
Nicholas Giarraputo
Founder & Lead Developer at Oxigenic
I'm an iOS developer and founder based in New York with over a decade of experience building apps for the consumer market. I started Oxigenic to do what I love full-time — designing, developing, and shipping products that are genuinely useful and polished enough to stand out.
I've worked across the full stack — from native Swift and SwiftUI to backend infrastructure and REST APIs — in industries ranging from healthcare to public safety. Whether I'm taking on a client project or building my own apps, I care about the details: performance, design, and user experience.
nick@oxigenic.com
Experience
2024 — Present
CTO & Lead Developer
Avocado Bets
Founding CTO of a social betting startup where friends wager real money against each other in a TikTok-style feed of likes, comments, and group chats. I own the entire stack end to end — the native iOS app, the real-time backend, and the money movement through Stripe and Routable — alongside product direction and the social and messaging systems.
2023 — Present
Independent iOS & macOS Developer
Oxigenic Inc.
As an incorporated business owner, I have served over 30 clients as a contract software engineer, earning consistently high ratings across all platforms. In parallel, I develop and maintain a suite of consumer iOS apps that leverage world-leading AI models to help people with everyday tasks.
2022 — 2023
iOS, macOS & SDK Developer
Visionable Global · Remote
Contributed to a video-conferencing SDK built for EMT and hospital environments, working across Swift, Objective-C, and C++. Implemented key features including screen sharing, and was responsible for surfacing new SDK capabilities within both production and internal testing mobile apps.
2019 — 2022
iOS & Android Developer
Croker Fire Drill Corp · Hybrid
Built iOS and Android applications from the ground up, integrated with an in-house REST backend. The apps give Croker's field representatives real-time access to critical job site data, eliminating the need to contact the head office or manage physical documents — and remain an essential tool in their daily operations.
