Alexander Chen.. — Curriculum Vitae (Print / PDF)

Results-driven engineering leader with extensive experience scaling transactional systems handling 40M+ monthly requests. Deep expertise in PHP 8.3/Laravel 11, TypeScript, Vue 3, PostgreSQL, Redis clustering, Docker, and AWS architecture. Proven track record leading distributed cross-functional teams and shipping high-reliability fintech and SaaS platforms.

Lead Software Architect — Stripe / Fintech Systems Inc. (San Francisco, CA (Hybrid))

Jan 2023 — Present

Leading core payment orchestration, ledger transaction pipelines, and fault-tolerant distributed services across enterprise banking integrations.

Architected zero-downtime ledger migration processing $4.2B+ in quarterly transaction volume with 99.995% uptime.
Engineered horizontal queue partitioning in Redis & Laravel, reducing p99 API response latency from 180ms to 104ms.
Spearheaded hiring and technical mentorship for 11 senior engineers, establishing automated CI/CD and raising test coverage to 94%.

Tech Stack: Laravel 11, PHP 8.3, PostgreSQL, Redis Cluster, Docker, AWS ECS, Kafka, Vue 3

Senior Full-Stack Engineer — CloudScale SaaS Labs (San Francisco, CA (Remote))

Mar 2020 — Dec 2022

Responsible for core multi-tenant platform architecture, real-time collaboration engines, and developer-facing REST & GraphQL APIs.

Built resilient asynchronous webhook ingestion pipeline handling 25,000 req/sec with automated exponential backoff.
Led frontend modernization to Vue 3 with strict TypeScript typings, lifting Lighthouse Performance scores to 98/100.
Built automated global subscription and tax compliance engine supporting 32 currencies and 120,000+ paying organizations.

Tech Stack: Laravel, Vue.js, TypeScript, PostgreSQL, TailwindCSS, Docker, GitHub Actions

Software Engineer — Apex Interactive (Berkeley, CA)

Jun 2018 — Feb 2020

Developed customer analytics pipelines, real-time engagement dashboards, and cross-platform RESTful APIs for iOS and Android clients.

Designed and deployed high-throughput backend APIs supporting 2.1M daily active mobile app users.
Restructured normalized relational schemas and optimized composite indexes, slashing database query execution time by 74%.

Tech Stack: PHP, MySQL, JavaScript, Redis, Docker, Git, REST APIs

B.S. in Computer Science — University of California, Berkeley

2014 ΓÇö 2018

Magna Cum Laude ΓÇó GPA 3.91

Eta Kappa Nu (HKN) Electrical Engineering & Computer Science Honor Society. Head Teaching Assistant for CS61B (Data Structures & Algorithms).

AWS Certified Solutions Architect ΓÇö Professional — Amazon Web Services

2023 ΓÇö 2026

Credential ID: AWS-PSA-882194

Expertise in high-availability multi-region VPC topologies, automated failover, and cloud security compliance.

PHP 8.3 / Laravel 11 & Ecosystem 96%

PostgreSQL, MySQL & Redis Clustering 92%

Vue 3, TypeScript & Modern Frontend 88%

Distributed Systems & Event-Driven Queues 91%

Docker, Kubernetes & AWS Cloud (ECS, RDS) 87%

RESTful APIs, GraphQL & WebSockets 94%

CI/CD Pipelines, GitHub Actions & Test Automation 90%

Technical Leadership & System Design 95%