Pro
Adrian Carbajal
Full Stack|Mobile|iOS/Android|AI & Backend Developer
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Treads: $5M Funding | 40K Active Users | Featured in Forbes
Treads is a subscription-based car care platform that simplifies tire ownership and maintenance. Through a mobile app, users receive tire installation, rotations, repairs, roadside assistance, and proactive alerts based on automatically tracked vehicle mileage.
The MVP was designed and developed in close collaboration with stakeholders, with a strong focus on real user needs and operational scalability. The service successfully launched in beta in Salt Lake City, Utah, and has continued to expand its offerings and reach.
Results
The platform has supported significant growth, raising over $10M USD to date and gaining national recognition, including coverage in Forbes.
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TrainSnap
An app to view live train data to find the fastest route
Project Summary
The project involved unifying partially completed backend and mobile components built by distributed teams into a single, reliable product ready for public launch, without impacting quality or timelines.
Delivery
I onboarded quickly into an AWS-based stack, took ownership of stabilizing and launching the public backend, and refined the mobile app to ensure a smooth user experience. Post-launch, I provided ongoing maintenance and technical guidance, supporting parallel development of an Android version.
Result
The work resulted in a stable, polished initial release and a clear technical foundation that enabled confident expansion to additional platforms.
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Goal Up | Android & iOS
Project Summary
The goal was to turn a polished design into a fully functional cross-platform reminder app under tight time and budget constraints. Key challenges included time zone accuracy, reliable notifications, shared goals, and a highly custom UI.
Delivery
I led end-to-end development using Flutter and Google Cloud, integrating Firebase and RevenueCat to accelerate delivery. The system was designed to handle daylight savings, cross-region syncing, and late-stage UX changes without rework.
Result
The app launched on schedule as a fast, reliable, and scalable product, faithfully implementing a custom design and ready for real-world use.
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My Bingo App | Custom Build | iOS & Android | Flutter
The project focused on reinventing bingo for a mobile-first audience, delivering a fast, modern, and engaging experience. Key challenges included real-time multiplayer gameplay, flexible board customization, and a polished cross-platform UI, all built from scratch as a scalable, monetizable product.
Contribution
From project inception, I helped define the MVP and technical architecture. I led the implementation of low-latency real-time gameplay using Firebase and built a dynamic templating engine to support user-generated board designs across different screen sizes. Flutter was chosen to ensure consistent performance and support complex custom UI.
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