Alex Chen

Senior Software Engineer

alex.chen@email.com · (650) 555-0142 · San Francisco, United States linkedin.com/in/alexchen

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Professional Summary

Senior software engineer with 6+ years of experience building distributed systems at scale. Proven track record of designing microservices architectures handling 1M+ QPS, reducing infrastructure costs by 40%, and leading cross-functional engineering teams. Passionate about system design, performance optimization, and developer productivity.

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Experience

Software Engineer

Stripe — San Francisco · 2021-03 – Present

• Designed and built a distributed payment processing pipeline handling 500K+ transactions per minute using Go and Apache Kafka, reducing latency by 35%.
• Led migration of 12 microservices from a monolith to Kubernetes, decreasing deployment time from 45 minutes to 4 minutes.
• Architected a real-time fraud detection system processing 10K events/second, reducing chargeback rates by 28%.
• Mentored 4 junior engineers through structured code reviews and pair programming sessions.

Software Engineer

Uber — San Francisco · 2018-06 – 2021-02

• Built the ride-matching engine serving 2M+ daily trips, optimizing geospatial queries to reduce match time by 22%.
• Developed an A/B testing framework used by 50+ teams, enabling data-driven feature rollouts with statistical confidence tracking.
• Reduced API p99 latency from 800ms to 120ms through query optimization and caching layer redesign.
• Automated CI/CD pipelines with GitHub Actions and ArgoCD, achieving 50+ deployments per week.

Software Engineering Intern

Microsoft — Redmond · 2017-06 – 2017-09

• Developed a real-time dashboard for Azure monitoring using React and D3.js, adopted by 3 internal teams.
• Implemented automated test suites increasing code coverage from 45% to 82% for the core identity service.

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Education

B.S. in Computer Science

University of California, Berkeley · 2014-08 – 2018-05 | GPA: 3.9

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Skills

• Languages: Go, Python, TypeScript, Java, SQL
• Cloud & Infrastructure: Kubernetes, AWS, Docker, Terraform, Apache Kafka
• Systems & Architecture: Distributed Systems, Microservices, System Design, API Design

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Certifications

• AWS Solutions Architect Associate (2023)
• Google Cloud Professional Data Engineer (2022)