Jason Paidoussi is a staff engineer based in Madrid with 12 years of experience building and scaling backend systems, currently shaping platform work at Shopify. He has a strong Python background and a track record leading architecture and reliability efforts—most notably driving performance and migration work for large public-health messaging platforms at Praekelt.org. As a former CTO and co-founder, he blends hands-on engineering with product and operational leadership, having built telco management tools and optimized message delivery pipelines. Jason is an active open-source back-end contributor, adding Python 3 and NoCaptcha support to the popular django-recaptcha project and enhancing USSD/IVR integrations in RapidPro. He brings a practical focus on integrations and telecom workflows that often sit behind user-facing products, and prefers solving hard reliability and messaging challenges in production systems.
12 years of coding experience
17 years of employment as a software developer
Comprehensive Programming Diploma, Comprehensive Programming Diploma at CTI
Django reCAPTCHA form field/widget integration app.
Role in this project:
Back-end Developer
Contributions:36 commits, 8 PRs, 9 pushes in 1 year
Contributions summary:Jason primarily contributed to the django-recaptcha project by integrating Python 3 compatibility and making improvements to the reCAPTCHA functionality. They added support for the No Captcha reCAPTCHA, modified the code to use standard library json, and updated the project dependencies. Furthermore, the user added and edited the AUTHORS.rst file, adding contributors and preparing the project for release.
RapidPro allows organizations to visually build scalable interactive messaging applications.
Role in this project:
Back-end Developer
Contributions:12 commits, 1 PR, 2 comments in 4 months
Contributions summary:Jason primarily contributed to the backend of the RapidPro project, focusing on USSD (Unstructured Supplementary Service Data) functionality and IVR (Interactive Voice Response) features. Their work included implementing tests for USSD subflows, fixing mobile number validation, and modifying session handling for Junebug integration. They also made changes to IVR tests and configurations related to Nexmo integration, suggesting a focus on communication channel integrations.
scalableorganizationsrapidpromessaging
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