Alex Rivera
Staff Software Engineer & Distributed Systems Architect
Executive Summary
Staff Software Engineer and Systems Architect with 8+ years of expertise designing resilient distributed applications, high-concurrency event pipelines, and real-time collaboration engines. Recognized for leading multi-disciplinary engineering squads, establishing high architectural standards, and shipping mission-critical systems that scale to millions of daily active users with sub-millisecond latencies.
Skills & Competencies
Architectural Mastery (8+ yrs)
Advanced & Production (4-6 yrs)
Cloud, Infrastructure & DevOps
Professional Experience
Staff Software Engineer & System Architect
2022-04-01 – PresentApex Distributed Systems • San Francisco, CA (Hybrid)
Leading technical architecture for global distributed streaming engine and real-time developer platform used by over 3M developers.
Key Responsibilities & Impacts
- Spearheaded the redesign of core event streaming pipeline, reducing end-to-end event latency from 240ms to 28ms at 99th percentile.
- Mentored a distributed team of 14 engineers across frontend, backend, and platform infra teams.
- Established rigorous TypeScript and performance benchmarking standards, decreasing bundle sizes across core client SDKs by 42%.
- Designed and authored the developer portal dashboard handling real-time telemetry visualizers with WebGL-accelerated canvas.
Senior Full-Stack Engineer
2019-08-01 – 2022-03-31Chrono Labs • Seattle, WA (Remote)
Architected modern SaaS web applications, real-time collaboration engines, and serverless microservices with high availability.
Key Responsibilities & Impacts
- Built the real-time collaborative workspace from scratch using WebSockets and conflict-free data structures, supporting concurrent multi-user editing.
- Improved frontend Core Web Vitals across all product suites, driving a 35% increase in organic search acquisition and user retention.
- Implemented robust end-to-end automated testing pipelines and zero-downtime blue/green deployment workflows.
- Collaborated closely with Product Design to implement an accessible, high-performance UI component library.
Software Engineer
2017-06-01 – 2019-07-31Kinetic Digital Solutions • San Francisco, CA
Engineered high-performance client web applications, REST & GraphQL APIs, and responsive UI components for top-tier enterprise clients.
Key Responsibilities & Impacts
- Developed scalable frontend features for Fortune 500 client dashboards with real-time charting and data exports.
- Reduced initial page payload by 38% through route code-splitting, tree-shaking, and lazy image loading.
- Partnered with product managers and QA to deliver quarterly roadmap milestones ahead of schedule.
Education & Specializations
Advanced Professional Specialization in Distributed Consensus, Global Event-Driven Systems, and Edge Infrastructure.
Comprehensive deep-dive into Byzantine fault tolerance, partition tolerance, linearizability, and building ultra-reliable cloud architectures.
Bachelor of Science in Computer Science with focus on Human-Computer Interaction & Distributed Systems. Graduated Magna Cum Laude.
Academic Achievements & Activities
- Dean's List: All 8 quarters (GPA: 3.89 / 4.0).
- Undergraduate Research: Researched optimistic synchronization protocols in distributed collaborative editors.
- ACM Student Chapter: Lead organizer for annual 36-hour collegiate hackathon with over 800 participants.