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Yaoxin Liu

Intern Full-Stack Software Engineer specializing in real-time web systems

New York, NYSoftware Engineer Intern0 years experienceInternTechnologyWeb DevelopmentSaaS
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About

Built and iterated an end-to-end virtual waiting room for a real-time ticketing prototype, making concrete architecture tradeoffs (polling + Redis Pub/Sub) and improving performance post-launch with Redis caching (+30% throughput, -15% p99 latency). Also has hands-on experience building Spark/HDFS ETL pipelines with strong reliability/observability patterns and running disciplined NLP model evaluation loops on review-rating classification.

Experience

Software Engineer InternVenuePilot

Education

New York Universitymaster, Information Systems (2025)
Stony Brook Universitybachelor, Applied Mathematics & Statistics (2022)

Key Strengths

  • Owned and shipped a virtual waiting room end-to-end for traffic spikes with clear product behavior definition
  • Pragmatic architecture tradeoffs (WebSockets vs polling) balancing responsiveness, complexity, and scalability
  • Post-launch performance optimization using Redis caching (≈30% throughput increase, ≈15% p99 latency reduction)
  • User-feedback-driven iteration improving clarity of queue states and expiration behavior
  • Structured ML evaluation loops (fixed test set + edge cases, per-class precision/recall, manual error review, regression prevention)
  • Built resilient Spark ETL with quarantine of malformed records, idempotent reruns, and strong observability

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Contact

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Languages

English

Skills

PythonJavaJavaScriptTypeScriptSQLCC++ScalaNode.jsExpressSpring BootReactTailwind CSSREST APIsMySQL