Available for hire

Hi, I'm Alex Rivera

Senior Full-Stack Engineer & Cloud Architect

Building resilient distributed systems, modern web apps, and developer tools. Open to select consulting & staff roles.

Hire Me!See my Portfolio

San Francisco, CA, United States

@alexrivera • 2026

Featured Projects

2 Projects

PulseStream — Distributed Event Monitoring

Creator & Lead Maintainer

Open-source real-time observability agent for distributed microservice clusters with instant anomaly alerting.

TypeScriptRustWebSockets

See Project

ResumeForge AI

Founder & Full-Stack Developer

AI-assisted career builder enabling professionals to generate ATS-friendly resumes and responsive portfolios.

Next.jsPostgreSQLTailwind CSS

See Project

My Services

Core design and engineering capabilities tailored to elevate your business.

Platform Architecture

Distributed systems, edge compute, and resilient SaaS backends built for scale.

Product Engineering

End-to-end web apps, design systems, and high-performance frontends.

Developer Experience

Internal tools, CI/CD, and golden paths that keep teams shipping.

Advisory & Mentoring

Staff-plus consulting, architecture reviews, and engineering leadership.

My Experience

A timeline of high-impact roles, engineering leadership, and product achievements.

2023-01 — PresentSan Francisco, CA (Remote)

Staff Software Engineer at Nexus Cloud Systems

Leading the core platform team responsible for edge compute routing and real-time streaming services.

Architected zero-downtime distributed caching layer handling 45,000 req/sec with sub-15ms p99 latency.
Spearheaded migration to Next.js 15 and Node.js microservices, cutting infrastructure costs by 32%.
Mentored 10+ junior and mid-level engineers across 3 time zones and standardized engineering golden paths.

2020-06 — 2022-12New York, NY

Senior Full-Stack Developer at Velocity AI

Built collaborative generative AI workflows and responsive analytics dashboards for enterprise clients.

Developed high-performance vector search UI with optimistic rendering and real-time WebSocket updates.
Improved Core Web Vitals (LCP from 3.2s to 0.8s) through aggressive bundle splitting and image optimization.

2018-04 — 2020-05Austin, TX

Full-Stack Software Engineer at Starlight Digital Labs

Engineered web applications, REST/GraphQL APIs, and automated CI/CD testing pipelines.

Built end-to-end payment processing and billing workflows supporting multi-currency payouts.

About Me

Building resilient distributed systems, modern web apps, and developer tools. Open to select consulting & staff roles.

Academic Background

University of California, BerkeleyB.S. in Electrical Engineering & Computer Science, Computer Science · Sep 2014 – May 2018

Contact Me

FAQ

Quick answers to frequently asked questions about process, scope, and engagements.

I offer full-cycle design and development including platform architecture, custom web apps, and engineering advisory.