Developed custom Python orchestration platform based on Apache Airflow to support all engineering teams at Flatiron Health in reducing operational overhead.  Leading adoption of containerized applications at Flatiron.  

Software Engineer

Teaching MBA candidates and undergraduates fundamental programing skills with personal one-on-one assistance in the School of Management’s most popular and best reviewed course. Contributed to Meteor.js based custom course website allowing students to interact with course materials online.

Teaching Assistant

Implemented international language collation support in MongoDB’s indexing and query planning subsystems, working closely with query team members. Led technical meetings discussing my work and identifying cause of database bugs.

Software Engineering Intern

Led the initial implementation of high-precision decimal datatype for MongoDB, collaborating closely with a fellow intern. Developed of reference driver implementation in C and made necessary modifications to the database kernel. Wrote detailed specification and scope of work documentation, working with customer-facing team members. Obtained approval for the project through technical review meetings with members of the database product team. The new decimal datatype is the first major change to MongoDB’s storage specification, and will support the demands of enterprise customers; critical to MongoDB’s business.

Created student intervention management web application targeted at teachers and student support staff. Deployed into all secondary schools in the San Francisco School District. Heavily involved in product design from early stages, including meetings with the client. Technical work included Ember.js frontend application, a notification email service, and REST API and ETL layer exposing data and statistical endpoints for several JavaScript applications.

Developer

Wrote low-level production C & C++ at MongoDB.  Experienced in the Linux programming environment, file system I/O, data structures, and memory management.  Learned fundamentals in a C-focused Computer Science education at Yale University.

Currently working on Data Platform Engineering at Flatiron Health using a 100% Python stack.  Worked on Python RESTful API services previously for four years.  Experienced in backend engineering, API development, and integrating Docker with Python applications.  Taught introductory Python at Yale to other undergraduates.

Python / C++ Software Engineer

David Hatch

Music playback across multiple computers without audible delay using streaming over UDP and NTP-inspired time synchronization

Synplay

Research project comparing latch-free and latched currency control algorithm performance for transactional databases. Implemented lock-free concurrent linked list, hash table, and memory pool.

Personal details

David H.

Summary

Technical skills

Work Experience

Personal Projects