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Alex Rivera PORTFOLIO
Available for projects & full-time roles

Crafting digital experiences with code & precision.

I am Alex, a Senior Full-Stack Engineer specializing in scalable web systems, intuitive user interfaces, and cloud-native architecture. Turning complex workflows into elegant software.

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Alex Rivera

San Francisco & Remote

UTC-8 (PST)
7+
Years Experience
42+
Shipped Projects
99.9%
System Uptime
100%
Client Satisfaction
Currently architecting distributed microservices and AI agent interfaces.

About Me

Engineering with user empathy & technical rigor

Clean Code & Architecture

Strong advocate for maintainable, type-safe, and self-documenting code bases. Experienced in TypeScript, Node, React, and modular domain architectures.

Mobile-First Responsive

Every interface is thoughtfully engineered to feel native and effortless whether accessed from a 6-inch phone screen or a 32-inch 4K workstation monitor.

High Performance

Obsessed with lightning-quick Core Web Vitals, sub-second API latency, distributed caching, and lean bundle delivery without sacrificing visual flair.

Technical Proficiency

The tools & technologies I leverage

Frontend Engineering

Modern Web
React & Next.js TypeScript Tailwind CSS Vue 3 Redux / Zustand HTML5 Canvas / SVG PWAs & Mobile Viewports

Backend & Cloud

Infrastructure
Node.js & Express Python & FastAPI PostgreSQL Redis Caching Docker & Containers AWS (S3, Lambda) GraphQL & REST APIs

Design & Workflow

Processes
Figma UI/UX Git & GitHub Actions Jest / Cypress Testing CI/CD Automation Micro-frontends Accessibility (WCAG)

Featured Creations

Highlighted Work & Applications

FinFlow Analytics Dashboard
Full-Stack

FinFlow Analytics

High-throughput real-time financial tracking dashboard processing over 50k transactions daily with interactive charts.

Next.js FastAPI PostgreSQL
Source
NeuroCanvas AI Workspace
Web App

NeuroCanvas AI

Collaborative infinite whiteboard application with AI assistant integration, multi-cursor sync, and vector export.

React WebSockets Tailwind
Source
HabitPulse PWA
Mobile / PWA

HabitPulse PWA

Offline-first habit tracking application with biometric lock, local database synchronization, and streak gamification.

PWA IndexedDB TypeScript
Source

Career Journey

Experience & Milestones

2022 — Present

Lead Full-Stack Architect

Vanguard Systems Inc.

Directed frontend core architecture migration to Next.js 14, improving page speeds by 65% across 2M monthly visitors. Mentored team of 8 junior & mid-level developers.

2019 — 2022

Senior Software Engineer

HyperScale Cloud Labs

Designed real-time event streaming microservices with Node.js and Kafka. Re-engineered legacy dashboard to responsive mobile-ready web app.

2017 — 2019

Frontend UI Developer

PixelCraft Digital Agency

Built responsive bespoke websites and interactive client web tools for 30+ client brands with focus on accessibility and fluid mobile navigation.

Get in touch

Have a project or opportunity?

I am always open to discussing new contracts, engineering leadership opportunities, or technical advisory roles.

alex.rivera.dev@gmail.com San Francisco, CA (Open to Worldwide Remote)
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