Jon De Andrés Frías
Principal Software Engineer at Uniphore (https://www.uniphore.com)
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolJon De Andrés Frías is a Principal Software Engineer with 18 years of experience specializing in AI infrastructure and cloud-native platforms, currently based in Barcelona. He blends hands-on backend engineering with architecture-level thinking, driving reliable systems and scalable deployments for AI-driven products. A senior principal at Uniphore, Jon has deep expertise in error tracking and observability, contributing meaningful fixes and releases to widely used open-source projects like Rollbar's Ruby and JavaScript SDKs. His work emphasizes robustness—improving global error handlers, reducing duplicate reports, and integrating background job support—showing attention to both developer experience and production reliability. Trained at Universidad del País Vasco, he brings a pragmatic, long-term perspective to platform design and team enablement. Colleagues describe him as a thoughtful engineer who moves systems forward through incremental, high-impact improvements.
18 years of coding experience
Universidad del País Vasco/Euskal Herriko Unibertsitatea
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
rollbar10
error-reporting10
error-handling10
typescript10
javascript10
nodejs10
typescripts10
api10
exception-handling10
apidoc10
typescript-types10
ruby10
testing9
Programming languages (14)
Github contributions (5)
rollbar/rollbar-gem
Nov 2014 - Sep 2018
Exception tracking and logging from Ruby to Rollbar
Role in this project:
Back-end Developer
Back-end DeveloperContributions:470 commits, 364 PRs, 607 pushes in 3 years 10 months
Contributions summary:Jon primarily focused on implementing and maintaining the Rollbar gem's backend functionality. Their contributions involved releasing new versions, integrating features like ActiveJob support, and refining existing codebase for robustness. The user also worked on improving the existing error reporting mechanisms.
uncaught-exceptionserror-monitoringobservabilityloggingexceptions
rollbar/rollbar.js
Feb 2015 - Jan 2017
Error tracking and logging from Javascript to Rollbar
Role in this project:Back-end Developer
Back-end DeveloperContributions:28 commits, 40 PRs, 85 pushes in 1 year 11 months
Contributions summary:Jon primarily focused on improving the Rollbar.js library's error handling and reporting mechanisms. Their contributions involved modifying the `src/shim.js` and `src/globalnotifier.js` files to address issues related to duplicate error reports and correct the behavior of the `window.onerror` handler. They also made changes to `dist/rollbar.min.js` to release new versions of the library. In addition, they served the library through CDNJS, showcasing an understanding of distribution and deployment.
reactexpressjsloggererror-monitoringjavascript
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.