Jack Pertschuk
Engineering at Cursor
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJack Pertschuk is an engineering leader with 12 years of experience building production-grade systems and shipping research-driven improvements in vector search and information retrieval. He has played founding and senior technical roles at Pinecone—advancing ANN algorithms and IR efficiency—and now contributes at Cursor while continuing to bridge research, publishing, and production deployment. Jack combines hands-on systems and ML database expertise with management experience from leading engineering teams and co-founding a startup focused on conversational eCommerce assistants. His background includes building large-scale eCommerce features at Squarespace and practical OS teaching at Cornell, reflecting both product-facing impact and academic rigor. Based in New York, he gravitates toward thorny, real-world problems where algorithmic novelty meets operational reliability. A detail that sets him apart is his track record of translating state-of-the-art retrieval research directly into shipped platform improvements.
12 years of coding experience
6 years of employment as a software developer
BS, BS at Cornell Engineering
English, French
Github Skills (84)
transformers10
python10
proxy10
semantic-search10
transformer-models10
deep-learning10
search-api10
elasticsearch10
microservices10
audio10
helm10
nlp10
kubernetes10
search-engine10
tensorflow10
Programming languages (6)
Github contributions (5)
pertschuk/symmetrical-waffle
Dec 2019 - Dec 2019
Contributions:65 commits, 61 pushes, 1 branch in 3 days
koursaros-ai/nboost
Oct 2019 - Jul 2020
NBoost is a scalable, search-api-boosting platform for deploying transformer models to improve the relevance of search results on different platforms (i.e. Elasticsearch)
Contributions:1107 commits, 18 PRs, 573 pushes in 8 months
elasticsearchsearch-apitransformer-modelstransformerstensorflow
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