Hanjie Shao
@hanjieshao
Senior software engineer specializing in large-scale distributed systems and ML infrastructure.
What I'm looking for
I am a Senior Software Engineer with 9+ years building large-scale distributed systems, ML infrastructure, search/indexing, and fintech platforms. I design and scale data pipelines, low-latency APIs, and cloud-native services using Java, Python, Spark, Kafka, Redis, Cassandra, Elasticsearch, AWS, and Kubernetes.
At Pinterest I owned core ML feature infrastructure and indexing/serving across four product surfaces, implemented online/offline feature pipelines, and developed low-latency feature retrieval APIs to meet stringent P95/P99 SLOs in 24×7 production.
Previously I delivered trust & safety platforms and verification flows at DiDi, and built multi-tenant SaaS billing and payments pipelines for enterprise clients, standardizing event ingestion and batch reconciliations across regions. I emphasize data quality, schema governance, and deep observability to reduce MTTR and prevent breakages.
I collaborate cross-functionally through design docs, RFCs, and blameless retros, mentor engineers, and drive continuous improvement with a growth mindset focused on reliable, scalable systems and measurable business impact.
Experience
Work history, roles, and key accomplishments
Owned core ML feature infrastructure and indexing/serving across four surfaces, implementing online/offline pipelines and low-latency retrieval APIs to meet P95/P99 SLOs and support 24×7 production at scale.
Education
Degrees, certifications, and relevant coursework
New York University
Master of Science, Computer Science
2013 - 2015
Completed a Master of Science in Computer Science focused on advanced topics in software engineering and systems from 2013 to 2015.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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