Alex Rivera

PRO

Senior Full-Stack Engineer & Cloud Architect

$location: San Francisco

// About

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

repositories & projects

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

#TypeScript#Rust#WebSockets#ClickHouse

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

#Next.js#PostgreSQL#Tailwind CSS#OpenAI

2023-01 → now

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 → 2022-12

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 → 2020-05

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.

React 19Next.jsTypeScriptTailwind CSSshadcn/uiReduxWeb Workers

Node.jsExpressPythonGoGraphQLREST APIsKafkaPostgreSQLRedis

DockerKubernetesAWS (ECS, S3, RDS)Cloudflare WorkersCI/CD ActionsTerraform

Amazon Web Services // 2024-03

Cloud Native Computing Foundation // 2023-11