karan pratap singh

Led an ordering engineering team for a high-QPS catalog and ordering systems, maintaining millisecond-level latency and high availability. Built automated vendor-ordering and demand-planning to generate daily purchase orders for 42 warehouses—reducing holding inventory 12%, increasing supply availability 3.2%, and cutting manual procurement 40%.

Worked on a project to detect potential fraudulent signals in financial documents, automating lending decisions for banks. Built a streaming data pipeline to apply machine learning for fraud prediction.

Contributed to making infrastructure and a data lake highly available and reliable for consumption by application teams. Built a data sanity tool for sanity checks across millions of daily ingested data points and migrated ETLs to Airflow with end-to-end development, deployment, CI/CD, and monitoring.

Contributed to Guillotina, an AsyncIO server-side framework, and added Helm charts to enable quick deployment on Kubernetes. Worked with APIs including OpenAPI/Swagger UI and related schema tooling.

Containerized parts of HackerRank and optimized build processes using multi-stage Docker builds, reducing production image size by 20%. Integrated Julia into the code generator API to produce code for 20 languages used by over 5 million users.

Led the technology team for Rankethon, an EdTech startup. Provided technical direction while supporting engineering execution for the product.

Attended Doon International School from 2012 to 2014.