# William Gelhar

> Software Engineering

Location: New York, New York, United States
Profile: https://flows.cv/williamgelhar

## Work Experience
### Senior Backend Engineer @ Adobe
Jan 2022 – Present | New York, New York, United States
Backend product development at Frame.io

### Senior Software Engineer @ Validere
Jan 2017 – Jan 2022 | Toronto, Canada Area
Back-end (Elixir, AWS, PostgreSQL, Redis, Docker) and front-end (React, Redux) development for a Y-Combinator funded B2B SaaS application in the oil quality testing space, focused on ingestion of measurement data from IoT devices in the field and presentation of advanced analytics to our clients.. 

I joined as an early member of the engineering team and since then we have taken the product from an early pilot project for a single prospective client to being a strong force in the industry well regarded for ensuring customer success. In that time we have:
- developed our own hardware instrument products for measuring centrifuge tube readings in the field, providing automatic water content measurements and annotations on a cost-effective basis unique to the industry
- deployed a fleet of IoT gateway devices to bring the industry in to the cloud, consolidating customer measurement data in to a central service and providing unique insights in improving customer success through improved efficiency, decreased waste, and new opportunities to expand operations 
- made multiple successful infrastructure migrations, from a single production Azure instance to automated AWS deployment using Terraform, to a virtualized multi-instance AWS deployment using ECS and Docker, all with minimal downtime to customer operations

### Software Engineer @ Uncharted Software
Jan 2015 – Jan 2017 | Toronto, Canada Area
• Developed a greenfield interactive web application (Ember.js, Node.js) for visualizing and planning airborne operation logistics
• Assumed sole responsibility for developing the major mapping component of the application, making choices in technology used for the project, developing the component from scratch, benchmarking and improving performance, and working with the project lead to verify that the acceptance criteria are being met
• Saw the project through from initial kick-off through ongoing success in a DARPA competition, beating out several competing proposals

### Programmer/Analyst @ KUBRA
Jan 2013 – Jan 2015 | Mississauga
Back-end (C# and ASP.NET Webforms) and application development for large volume customer billing systems.

• Developed and maintained applications for document fulfillment and e-billing platforms
• Resolved urgent software production issues as part of an on-call rotation to meet strict SLAs
• Assumed sole maintenance responsibility for a top client’s solutions involving 10,000+ payment transactions per
day
• Provided change request validation, onboarding and mentoring for new junior developer hires

### Contract Work, Software Documentation @ True North Consulting
Jan 2009 – Jan 2009 | Mississauga

### Software Tester/Internal Development @ Optech
Jan 2008 – Jan 2008 | Vaughan


## Education
### Bachelor of Science (BSc) in Computer Science
University of Toronto


## Contact & Social
- LinkedIn: https://linkedin.com/in/williamgelhar
- Portfolio: https://bitbucket.org/williamg
- Portfolio: http://williamg.bitbucket.org

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Source: https://flows.cv/williamgelhar
JSON Resume: https://flows.cv/williamgelhar/resume.json
Last updated: 2026-03-31