Casey A. Ydenberg

  • 587-938-7353
  • Burnaby, BC, Canada
  • V5A 4L3


Web developer with 10 years experience building websites and web apps. While I have worked throughout the stack, my deep expertise is on the frontend, especially TypeScript and React. I also have specialized experience with D3.js and ProseMirror. I have an background in public speaking, and enjoy distilling technical subjects for a variety of audiences.


Web Application Developer, freelance

June 2018 — present

  • Collected requirements from clients, planned user stories and sprint cycles.
  • Wrote code to produce working software at the end of each cycle.
  • Maintained code and interfaced directly with end-users.
  • For a list of projects, see

Lead Developer, Please Sign Me Inc.

Feb 2022 — May 2023

  • Wrote clientside and serverside code for a startup building a novel solution for collecting e-signatures.
  • Wrote Node.js integrations for Google APIs and Stripe.

Senior Frontend Developer, Atypon Systems LLC

Jan 2019 — Jan 2022

  • Created a browser-based rich-text editor for academic papers.
  • Engineered solutions for data synchronization and conflict resolution of rich-text data, including change tracking and editor comments.
  • Reviewed pull requests from other members of the team.
  • Responded to end-user issue reports and provided triage and assignment.

Frontend Developer, TruHome Technologies Ltd.

Feb 2017 — June 2018

  • Developed a progressive web app for realtors.
  • Implemented offline-first data storage and syncing.
  • Built integrations with Twilio, Google Maps and the multiple-listing service.
  • Built a CMS and MLS search framework for real-estate websites
  • Provided feedback on UX and graphic design.
  • Interfaced with end-users and helped set sprint cycles and technical priorities.

Web Developer, Graphos Design Studios Ltd.

Aug 2014 — Feb 2017

  • Produced highly-customized WordPress-based websites for businesses.
  • Wrote custom PHP, JavaScript and CSS for novel themes and plugins.
  • Provided technical support on wireframing, design, SEO, deployment, and maintenance.
  • Trained clients on the use of their CMS and responded to feedback and bug reports.

Postdoctoral Fellow, Brandeis University

June 2010 — June 2014

  • Studied cytoskeleton regulation in vitro and in living cells.
  • Authored five publications.
  • Obtained funding from the American Heart Association.

Assistant in Instruction, Princeton University

Jan 2005 — Jan 2006

  • Led tutorials and review sessions.
  • Prepared and graded exams and lab reports.


Princeton UniversityPh.D., Molecular Biology

2003 — 2009

Thesis Title: The Mechanism and Regulation of Yeast Cell Fusion

Simon Fraser UniversityB.Sc., Molecular Biology and Biochemistry

2003 — 2009

First-class Honours

Volunteer Activities

Instructor, Canada Learning Code

2017 — 2019

Taught HTML and CSS for Kids and JavaScript for Teens

Organizer, ExchangeJS: Edmonton's JavaScript Meetup

2017 — 2019

Helped to organize talks, worked on society website.

Member at Large, Brandeis University Postdoctoral Association

2011 — 2024

Organized career events, helped to develop university policy regarding postdocs.


For a list of talks (video and slides linked where available), see