Senior App & Software Consulting for Products That Need to Ship

We help funded startups, operating businesses, and product teams build new software, stabilize inherited apps, and make difficult technical decisions. Our work spans mobile apps, React Native, backend systems, and practical AI integration.
We’re based in North Jersey, serve the NYC metro area, and work with clients across the United States.

Featured Work

Recent projects and client case studies

Video Introduction
Video Introduction

Watch a quick overview of Bill’s software development work and philosophy.

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iOS Social Media App
iOS Social Media App

Client case study showcasing an artist-focused social app built with Swift & Firebase.

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NASA WeatherSats AR
NASA WeatherSats AR

Augmented-reality experience built in Unity for NASA’s STEM program.

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NASA WeatherSats App
NASA WeatherSats AR App

iOS & Android app showcasing Earth-observation satellites through AR.

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Why Choose Bill Vivino Technology

Get senior, hands-on software consulting across mobile apps, web systems, APIs, cloud infrastructure, and AI integration—from architecture and implementation through stabilization, release, and technical rescue.

Core Development Services

View B2B Project Portfolio Senior Mobile App Development App Rescue & Consulting Pricing Discuss a Software Project
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What Clients Say

Verified reviews from real projects

“Amazing in communication.”

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Client · iOS App (Swift & Firebase)

“Went above and beyond.”

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Client · Firebase Integration Revamp

“It was great working with Bill! Very pleasant and knowledgeable.”

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Client · Language Learning App