Jorge Sanes
@jorgesanes
Senior Frontend Developer with 10+ years of experience in web applications.
What I'm looking for
I am a Senior Frontend Developer with over 10 years of experience in building scalable and high-performance web applications. My expertise lies in using modern frameworks like React and TypeScript, focusing on component-driven development and accessibility. I have a proven track record of enhancing user experience and performance in complex products, ensuring that my work not only meets but exceeds user expectations.
Throughout my career, I have successfully led teams and projects that have significantly improved application performance and user workflows. For instance, at Propelus, I implemented AI-driven features that reduced credit reporting time by nearly 50%. My commitment to quality is evident in my meticulous approach to testing and performance optimization, ensuring that every application I work on is robust and user-friendly.
Experience
Work history, roles, and key accomplishments
Senior Web UI Developer
BotKeeper
Feb 2025 - Present (5 months)
Developed new features and improved existing code for the company's main application, significantly enhancing user experience and performance. Optimized application performance using React optimization techniques, eliminating a 2-3 second typing delay and improving overall user workflow.
Senior Web UI Developer
Globant
Aug 2024 - Present (11 months)
Maintained and upgraded the analytics infrastructure for REI's website, including migrating libraries to their latest versions. Developed testing strategies to compare data post-migration and implemented personalization and A/B testing using EdgeWorkers.
Senior Frontend Developer
Propelus
Aug 2023 - Present (1 year 11 months)
Improved an existing React system in terms of performance, UX, and accessibility, and developed a new AI-powered feature for credit reporting using Capacitor, which decreased reporting time by almost 50%. Implemented a new components library using TailwindCSS and Radix, and wrote unit tests with React Testing Library.
Frontend Architect
Condor Labs
Oct 2017 - Present (7 years 9 months)
Led a team of 3 in creating and maintaining an in-house components library (Emerald-UI) built in React, which decreased feature development time by 30% through reusable components. Designed the frontend architecture for all new developments and built a CI/CD pipeline for React projects using GitHub Workflows.
Junior Frontend Developer
ISF de Colombia
Sep 2015 - Present (9 years 10 months)
Migrated an existing module from .NET to React for a professional course platform, analyzing .NET code and translating functionalities to React. Built styles and behaviors using LESS and wrote unit tests for new components with Jest and Enzyme.
Education
Degrees, certifications, and relevant coursework
Fundación Universitaria Tecnológico Comfenalco
Bachelor's Degree, System's Engineer
Completed a comprehensive program in Systems Engineering, focusing on the design, development, and management of complex systems. Gained foundational knowledge in software development and engineering principles.
Fundación Universitaria Tecnológico Comfenalco
Certificate, Software Projects Management
Acquired specialized knowledge and skills in the management of software projects. Focused on methodologies, tools, and best practices for successful project execution and delivery.
Centro Colombo Americano
Award of Excellence, English as Second Language
Grade: Award of Excellence
Achieved an Award of Excellence in English as a Second Language, demonstrating high proficiency in English communication skills. Developed strong abilities in reading, writing, listening, and speaking.
Availability
Location
Authorized to work in
Job categories
Skills
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