Professional Summary

Senior software engineer with diverse experience across machine learning, computer vision, mobile development, and bioinformatics.

Work Experience

• Senior Software Engineer 01/2016 - Present
  Google Sheets New York, NY

  • Full-stack engineer owning next-generation interpreter for the formula calculation engine.
  • Owned production document size limits from 2017-2019, driving a rich web app for scalability, along with server, and driving cross-team buy-in (SRE) after years of stagnation and lack of launch infrastructure.

• Research Intern 06/2015-08/2015
  MuseAmi Princeton, NJ

  • Developed an in-house framework for symbolic music search.
  • Implemented and performed a comparative analysis of multiple music similarity metrics.

• Lead iOS Developer 09/2012-12/2014
  Tiramisu Transit Pittsburgh, PA

  • Developed a major UI refresh for the Tiramisu Transit iOS app, which provides real-time public transportation timetables.
  • Implemented user-to-user communication to promote user engagement with local public transit agencies.

Publications

D. Ringwalt, R. B. Dannenberg, and A. Russell. Optical music recognition for live score display. In Proceedings of the 2015 Conference on New Interfaces for Musical Expression, 2015.
D. Ringwalt, and R. B. Dannenberg. Image quality estimation for multi-score OMR. In Proceedings of the 16th International Society of Music Information Retrieval Conference, 2015.

Education

Bachelor of Science, Computer Science Fall 2015
Minor in Computational Biology GPA: 3.78
Carnegie Mellon University Pittsburgh, PA

Honors: Dean's List (5 Semesters), Phi Beta Kappa Society, Undergraduate Thesis