Alex Rivera

Lead Full-Stack Engineer / Distributed Systems

alex.rivera@example.com(415) 555-0192San Francisco, CA (Open to Remote)linkedin.com/in/alex-rivera-techgithub.com/alexriveraalexrivera.dev

Executive Profile

High-impact systems engineer with 8+ years designing scalable cloud infrastructure and customer-facing web applications. Led architectural migration reducing p99 API latency by 42% while scaling throughput to 45,000 req/sec across distributed multi-region Kubernetes clusters.

Professional Experience

Senior Staff Infrastructure EngineerMar 2022 – Present

Apex Cloud TechnologiesSan Francisco, CA

Architected distributed real-time event streaming pipeline using Kafka and Go, handling 1.8B daily events with 99.995% uptime.
Slashed AWS compute infrastructure expenses by $280K annually by orchestrating Karpenter autoscaling and Spot instance fleets.
Mentored and upskilled 12 software engineers across backend and SRE disciplines, establishing automated CI/CD and trunk-based deployment standards.

Full-Stack Software EngineerJun 2019 – Feb 2022

Vanguard Digital SystemsSan Jose, CA

Engineered customer onboarding flow in Next.js, TypeScript, and PostgreSQL, accelerating funnel completion rate by 27% across 140K users.
Refactored monolithic REST endpoints into cached GraphQL services, reducing average database load by 35% during peak traffic spikes.
Spearheaded automated testing initiative increasing regression test coverage from 44% to 89% and eliminating production hotfixes by 60%.

Software EngineerAug 2017 – May 2019

Beacon Data LabsAustin, TX

Developed microservices in Python and Docker to process structured ETL telemetry datasets ingested from 50,000+ IoT edge nodes.
Optimized complex PostgreSQL query execution plans, trimming slow report generation from 4.2 minutes to 8 seconds.

Skills & Technologies

Languages & Frameworks:TypeScript • React • Next.js • Go • Python • Node.js • GraphQL • Tailwind CSS

Cloud, Infrastructure & Databases:Kubernetes • Docker • AWS • PostgreSQL • Kafka • Redis • Terraform • CI/CD

Architecture & Systems:Distributed Systems • Microservices • Event-Driven Architecture • API Design • High Availability

Key Projects & Initiatives

PulseStreamgithub.com/alexrivera/pulsestream

Tech: Go, WebSockets, Redis, TypeScript

Open-source distributed WebSocket pub/sub engine with 2,400+ GitHub stars and 80,000+ monthly Docker pulls.

Education

B.S. in Computer Science & Engineering

University of California, Berkeley2017

GPA: 3.84

Certifications

AWS Certified Solutions Architect – ProfessionalAmazon Web Services

3 roles recorded

Apex Cloud Technologies

3 bullets

Senior Staff Infrastructure Engineer•Mar 2022 – Present

Vanguard Digital Systems

3 bullets

Full-Stack Software Engineer•Jun 2019 – Feb 2022

Beacon Data Labs

2 bullets

Software Engineer•Aug 2017 – May 2019