Kai Zhang
Machine Learning Engineer
+1 (415) 555-0177 · kai.zhang@email.com · linkedin.com/in/kaizhang · San Francisco, USA
Summary
ML engineer building and shipping large-scale models in production. Comfortable across research, data, and reliable serving infrastructure.
Experience
Machine Learning Engineer · OpenAI
2021 - Present•Built an eval pipeline that cut model regressions 45%.
•Optimised inference to serve 3× traffic at half the cost.
•Led fine-tuning for a product used by 20M users.
Data Scientist · Uber
2018 - 2021•Shipped an ETA model that cut error 12%.
•Productionised 6 models with automated retraining.
Skills
ML: PyTorch, LLMs, NLP, MLOps
Tools: Python, Ray, Kubernetes, Spark
Education
MS, Machine Learning, Stanford University2016 - 2018
Key Achievements
•Cut inference cost 50% at 3× traffic.
•Reduced model regressions 45%.
Certifications
•DeepLearning.AI Specialization
Languages
English - FluentMandarin - Native