
Alfonso Aranzazu
Senior Software Engineer with 9+ years of experience in building scalable, high-performance products using React, TypeScript, and GraphQL. Skilled in architecture, performance, API integration, UI/UX, and delivering exceptional user experiences.
Professional Experience
Senior Software Engineer
Henry Meds
Jul 2024-Present
- Raised ARR by 10% by building scalable onboarding flows for a new ED treatment line, refactoring React components and optimizing GraphQL queries to a PostgreSQL relational database on GCP
- Accelerated prescription delivery to customers by 30% by redesigning the provider workflow with modular React TypeScript components and improved UI flows, streamlining prescribing and reducing delays
React
TypeScript
GraphQL
Postgres
GCP
Senior Software Engineer
Homes.com
Sep 2023-Jan 2024
- Drove $10M in auction sales by streamlining auction payments with Stripe, replacing slow ACH transfers with instant processing via React and Java Spring integrations
- Improved bidding speed by 25% by leading performance optimizations, including memoizing React components and implementing Redis caching for bid state
React
TypeScript
Java
AWS
Stripe
CI/CD
Software Engineer III
Capital Group
Apr 2019-Sep 2023
- Increased ARR by $500K by delivering online enrollment in React and TypeScript, serving dynamic content with a headless CMS over a Java Spring API
- Enhanced First Contentful Paint by 75% with tree-shaking, lazy loading, and image compression in React, leading the team to resolve critical performance issues and meet launch KPIs
React
TypeScript
Performance Optimization
CMS
Software Engineer
Glidewell
Jul 2017-Apr 2019
- Increased development productivity by 20% by building a company-wide Angular component library that 5 engineering teams adopted to create user-friendly interfaces
- Improved CRM performance by 40% by reducing Time to Interactive (TTI) through ahead-of-time compilation and tree shaking
- Strengthened user collaboration by 40% by building live chat in the Angular CRM with WebSockets and Redis caching
Angular
Component Libraries
Redis
WebSockets
Performance Optimization
Junior Software Engineer
Cofebe
Mar 2016-Jul 2017
- Launched a mobile app in 2 months using Ionic, deploying to Apple and Google app stores
- Enabled sub-200ms real-time video streaming using Angular, WebSockets, and Redis, facilitating live interactions between celebrities and fans
- Enabled a client's IPO by developing an end-to-end Jasmine test suite for their product launch
Ionic
Angular
WebSockets
Redis
Jasmine
Undergrad Intern
Toshiba
Mar 2015
- Pitched an IoT smart home gardening prototype built with Python and Arduino to the VP of Toshiba
Python
Arduino
IoT
Projects
View GitHub ProfileSkills
🖥️ Frontend
React
Next.js
TailwindCSS
⚙️ Backend
Node.js
WebSockets
Postgres
📝 Languages
TypeScript
JavaScript
Python
🔄 DevOps
CI/CD
Docker
Terraform
Kubernetes
🛠️ Tools
Cursor AI
Chrome DevTools
LLMs
Education
B.S. Computer Science (Human Computer Interaction)
University of California, Irvine, 2016
Specialized in Human Computer Interaction, focusing on creating intuitive and user-friendly interfaces. Developed a strong foundation in computer science principles while honing skills in user experience design.
Contact Me
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Contact Information
Feel free to reach out through any of these channels.
Phone
(559) 726-4094Location
Irvine, CA
GitHub
github.com/0xFonzy