James GallichioSenior Full-Stack Engineer

Building complex things quickly. Technical leader with 15+ years of experience in scalable systems, automation tools, and leading development teams.

View Projects Contact Me

Click to reveal email

Featured Project

DeepLinkNow

A privacy-first deferred deep linking platform competing with giants like Branch.io and Appsflyer. Built on NextJS, leveraging Vercel's environment features.

Built open source SDKs for React Native, iOS (Swift) and Android (Kotlin)
App-specific landing pages and custom generation of .well-known files
Deferred user matching across platforms

Visit DeepLinkNow

Recent Projects

Rallie

Principal App Developer

2024 - 2025

Led architecture and development of a greenfield cross-platform social sharing app for a global FMCG company.

React Native

GraphQL

AWS

TypeScript

Visit

HyperFast

Founder

2024

Founded a React Native app building community and boilerplate service to help React developers transition to React Native.

React

React Native

NodeJS

AWS

TypeScript

Visit

Mello

Principal App Engineer + Fractional CTO

2023 - 2024

Led architecture and development of a clinically-validated mental health app for young people.

React Native

Node.js

AWS

BigQuery

Data Studio

TypeScript

Visit

Tech Stack

Frontend

React Native

TypeScript

Expo

NextJS

Backend

Node.js

GraphQL

REST APIs

Cloud & Infrastructure

AWS

Azure

Firebase

Supabase

Databases

Postgres

MongoDB

DynamoDB

Development Practices

CI/CD

Agile

Mobile

React Native

Swift

Kotlin

Full Experience Timeline

Founder @ DeepLinkNow

Jan 2025 - Present

Founded a privacy-first deferred deep linking platform to take on giants like Branch.io and Appsflyer.

NextJS

NodeJS

React Native

Kotlin

Swift

Principal App Developer @ Rallie

2024 - 2025

Led architecture and development of a greenfield cross-platform social sharing app for a global FMCG company.

React Native

GraphQL

AWS

TypeScript

Founder @ HyperFast

2024

Founded a React Native app building community and boilerplate service to help React developers transition to React Native.

React

React Native

NodeJS

AWS

TypeScript

Principal App Engineer + Fractional CTO @ Mello

2023 - 2024

Led architecture and development of a clinically-validated mental health app for young people.

React Native

Node.js

AWS

BigQuery

Data Studio

TypeScript

Lead App Engineer @ Thriday

2021 - 2022

Led worldwide team of app developers for a business banking platform, focusing on React Native architecture and development.

React Native

Azure microservices

TypeScript

Fractional CTO @ Orygen Digital

2020 - 2021

Led a digital transformation and strategic planning for a large-scale not-for-profit organisation, including mobile app strategy.

Tech leadership

Strategy

Lead Backend Engineer @ Goodwork

2018 - 2020

Built Node.JS microservices API on AWS Lambda with Jenkins CI/CD pipelines and 100% test coverage, and developed React Native mobile app.

Node.JS

AWS Lambda

Jenkins

React Native

Senior Full-Stack Engineer @ Plattar

2017 - 2018

Augmented reality CMS platform combining development with UX and product management.

Angular

ThreeJS

PHP

Laravel

Founder @ WarmHQ

2015 - 2017

Built a platform to help startups manage their marketing outreach and track their leads, including a React Native mobile app.

Angular

Node.js

React Native

PHP

Laravel

General Assembly @ General Assembly

2014 - 2015

Helped launch GA's Melbourne campus and managed their business development and partnerships, as well as teaching web development courses.

Node.js

React

More About Me

Let's Work Together

Looking for a technical leader who can build complex systems quickly? Let's chat about how I can help your team.

Get in Touch