ALEXANDER CHEN Lead Software Architect & Senior Full-Stack Engineer San Francisco, CA | (415) 555-0182 | alexander.chen@alumni.berkeley.edu LinkedIn: linkedin.com/in/alexanderchen | GitHub: github.com/alexanderchen PROFESSIONAL SUMMARY Results-driven engineering leader with 8+ years experience scaling transactional cloud architectures handling 40M+ monthly requests. Deep expertise in PHP 8.3/Laravel 11, TypeScript, Vue 3, PostgreSQL, Redis clustering, Docker, and AWS. Proven track record leading distributed cross-functional teams and shipping high-reliability fintech and SaaS platforms. CORE TECHNICAL SKILLS - Languages: PHP 8.3, TypeScript, JavaScript (ES6+), SQL, Python, Bash - Frameworks: Laravel 11, Vue 3, React, TailwindCSS, Inertia.js, Livewire - Data & Storage: PostgreSQL, MySQL, Redis, Elasticsearch, Kafka - Cloud & Infrastructure: AWS (ECS, RDS, S3, CloudFront), Docker, Kubernetes, CI/CD, Terraform - Architecture: Microservices, Event-Driven Systems, RESTful APIs, High-Concurrency Queuing, Zero-Downtime Deployments PROFESSIONAL EXPERIENCE Lead Software Architect — Stripe / Fintech Systems Inc. (2023 — Present) - Architected zero-downtime ledger migration handling $4.2B+ quarterly payment transactions with 99.995% SLA. - Scaled Laravel & Redis queue infrastructure, cutting p99 API latency by 42% from 180ms to 104ms. - Mentored team of 11 full-stack engineers and instituted automated static analysis, raising unit test coverage from 68% to 94%. Senior Full-Stack Engineer — CloudScale SaaS Labs (2020 — 2023) - Built distributed webhook ingestion pipeline processing 25,000 requests/sec with Kafka and Redis queues. - Spearheaded frontend rewrite using Vue 3 and TypeScript, improving Core Web Vitals to 98/100. - Integrated Stripe Billing and automated tax compliance across 32 international jurisdictions. Software Engineer — Apex Interactive (2018 — 2020) - Designed and launched high-volume RESTful APIs serving 2.1M daily active mobile app users. - Optimized SQL queries and database indexes, reducing heavy reporting dashboard load times from 8.2s to 1.1s. EDUCATION Bachelor of Science in Computer Science — University of California, Berkeley (2014 — 2018) - Magna Cum Laude | GPA: 3.91 | Eta Kappa Nu Honor Society