Custom web apps, mobile apps, AI tools, and practical software solutions — built by Romain Tomlinson, founder of CodeWithRomi LLC.
Start a Project See ServicesCodeWithRomi LLC builds web applications, mobile apps, AI-powered tools, and practical software solutions. Alongside development work, I create educational technology content covering programming, IT, cybersecurity, and self-hosting.
From a single landing page to a full-stack product — here's how I can help.
Marketing sites, dashboards, and full-stack web applications tailored to your business.
iOS and Android apps built with React Native — shipped to the App Store and Play Store.
End-to-end SaaS products — auth, billing, dashboards, and the infrastructure behind them.
OpenAI, automation pipelines, and AI-powered features added to new or existing products.
Architecture reviews, stack decisions, and second opinions on what to build (and what not to).
Ongoing updates, bug fixes, security patches, and performance tuning for existing sites.
Live products built and maintained under the CodeWithRomi banner.
Productivity and task management for organizing tasks, routines, and daily goals.
App Store →Pet care and wellness app — profiles, health records, nutrition, and daily care.
App Store →Custom website and digital platform for an esports organization and community.
Visit site →Battle-tested across web, mobile, AI, and infrastructure.
Hire me on Upwork for contracted freelance work with built-in escrow and milestone tracking.
View Upwork Profile"Romain was professional, fast, and nailed my resume."
"The website Romain created exceeded my expectations — modern, clean, and exactly what I needed!"
Tell me what you're working on. I'll get back to you within a day or two.
Or email me directly at contact@codewithromi.com