Senior Software Engineer

Xavier Paez

Building secure, scalable products across healthcare and aviation.

Featured Project

What I'm building right now

iOS AppLive

AirStack

Track the flights that matter

A unified flight tracking app for both commercial airlines and private aircraft. Follow friends, family, and tail numbers in one beautiful app.

React NativeiOSReal-time DataPush Notifications
Learn more about AirStack

Experience Highlights

Building reliable systems at scale

Led development of a large-file transfer platform handling 10-50GB medical imaging datasets with fault-tolerant multipart uploads across S3 and Azure.

Built telemedicine platform supporting 2,000+ daily patient visits with real-time diagnostic tooling that reduced incident response time by ~35%.

Created a reusable React design system adopted across multiple internal applications, improving development velocity and UI consistency.

Experience shipping in regulated environments with HIPAA-compliant data handling, security, and reliability requirements.

Skills

Frontend & Web

TypeScriptJavaScriptReactNext.jsExpoTailwind CSSHTML5CSS3

Backend & APIs

Node.jsREST APIsGraphQLReact Query (SWR)SQL

Cloud & Infrastructure

S3Azure Blob StorageVercel

Real-Time & Media

TwilioACS

Testing & Practices

JestTDDAgile

Systems & Native

C++C#PythonQtQML

Let's connect

Get in touch