Julian Mondragon
Senior Full Stack Developer at Katapult Labs
Colombia
Summary
🤩
Rockstar🎓
Top SchoolJulian Mondragon is a Senior Full Stack Developer with five years of focused experience building scalable SaaS applications across web and mobile platforms. He combines strong front-end craftsmanship in React/Redux and React Native with back-end work in Node.js and feature-flagged systems, having contributed to the widely used Mattermost project on both UI and server features. Comfortable in agile teams, he partners closely with product and UX to deliver pixel-accurate interfaces, robust end-to-end tests, and thoughtful telemetry for real-world user flows. His background spans enterprise-grade tooling and startups, including commerce and internal tooling, and he brings hands-on experience with PostgreSQL, AWS, Detox/Cypress testing, and Shopify/Retool integrations. Colocated in Colombia, Julian is known for reliability and attention to edge cases—often trusted to deliver tricky UI behaviors and cross-cutting platform improvements.
5 years of coding experience
14 years of employment as a software developer
Bachelor of Technology - BTech Computer Science, Bachelor of Technology - BTech Computer Science at Universidad del Valle (CO)SENA: Servicio Nacional de Aprendizaje
English, Spanish
Stackoverflow
1reputation
0reached
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Github Skills (30)
detox10
javascript10
ios10
react-native10
mobile-development10
typescript10
feature-flags10
user-interface10
ui-design10
mobile-application10
mattermost10
uid10
go10
front-end-development10
typescript-types10
Programming languages (3)
Github contributions (5)
mattermost/mattermost-webapp
Feb 2022 - Nov 2022
Archived web app of Mattermost. Moved to the monorepo: https://github.com/mattermost/mattermost
Role in this project:
Front-end Developer
Front-end DeveloperContributions:225 reviews, 33 commits, 119 PRs in 8 months
Contributions summary:Julian primarily contributed to the web application's front-end, focusing on implementing and modifying UI components. Their commits involved changes to components related to license settings and the new channel modal, demonstrating a focus on enhancing the user interface and functionality. The user also worked on incorporating new SVG images and updating existing ones, which suggests a role in improving the visual aspects of the application. Furthermore, their commits touched upon integration and refinement of core features like collapsed reply threads.
webapphttps-servermattermostmattermost-server
mattermost/mattermost-mobile
Oct 2022 - Jan 2023
Next generation iOS and Android apps for Mattermost in React Native
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:50 reviews, 24 commits, 5 PRs in 2 months
Contributions summary:Julian contributed to the Mattermost mobile application, focusing on implementing features related to user invitation and team management within the iOS platform. Their work involved modifying UI components, particularly the plus menu, to include options for inviting people and integrating with the share functionality. They also developed and modified end-to-end tests using Detox, ensuring the correct behavior of the invite people feature and related UI interactions.
next-generationreactandroid-appsreact-nativeandroid
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