Available to hire
Frontend developer with 5+ years of experience building high-performance web and mobile products for fintech, e-commerce, and healthcare. I specialize in React and React Native (Expo) to deliver scalable architectures, complex dashboards, and user-centered features with measurable business impact.
I’m comfortable integrating payment gateways, optimizing performance, and working across Agile distributed teams on international projects. I also enjoy taking ideas from requirements to app-store publication, including shipping MVPs and extending Expo with native iOS modules when needed.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Spanish; Castilian
Fluent
English
Advanced
Work Experience
Frontend Developer at B2fi
September 1, 2024 - December 31, 2025Architected scalable frontend solutions for a fintech ecosystem with digital wallets and administrative panels, supporting high transaction volumes. Built and deployed cross-platform wallets with React Native and Expo, improving user retention by ~20% through UX optimization. Developed complex administrative dashboards in React with real-time data visualization, reducing manual reporting time by 30%. Integrated financial services and payment gateways, ensuring secure transaction flows aligned with industry standards. Designed hybrid state management strategies with Redux and Zustand, improving overall application performance by 25%.
Software Developer / Project Lead at Fromtheweb
February 1, 2024 - PresentDeveloped personal projects from requirements to app-store publication, applying learnings to production-ready apps. Led an MVP built with React Native and Expo, validating with real users and reducing time-to-market by 40%. Implemented a native iOS module for local notifications to overcome Expo limitations, achieving near-100% alert delivery. Examples of shipped apps include Kunto and Nursi.
Frontend Developer (Semi Senior) at Chiper
February 1, 2023 - January 31, 2024Optimized Google Maps SDK integrations by aligning requests with native events, reducing response times and rendering errors by 25%. Developed a native iOS camera module to improve stability and performance compared to standard React Native libraries. Configured Firebase services on iOS, ensuring correct operation of Crashlytics and analytics on a leading B2B platform in Latin America. Integrated the Kushki payment gateway, increasing completed payment intent by 15%. Contributed to microfrontend initiatives that streamlined CI/CD and reduced deployment times by 20%.
Frontend Developer at Landscape
February 1, 2021 - June 30, 2022Developed business logic for complex radiology exam management forms, reducing administrative time by 20%. Implemented role-based file upload, preview, download, and deletion across multiple formats. Integrated React Hook Form with advanced validations, decreasing form errors by 25%. Contributed to automated testing pipelines, reducing production bugs by 25%.
Frontend Developer at Foodwize
January 1, 2020 - September 30, 2021Built a CMS for user and profile administration to enable operational scalability. Collaborated with the design team on UX/UI decisions, improving the overall user experience. Built and deployed the corporate website, increasing organic traffic by ~30%. Managed digital assets, domains, and corporate email, streamlining internal and external team communication.
Education
Frontend Architecture at Platzi
January 1, 2019 - January 1, 2019ECMAScript 6+ at Platzi
January 1, 2020 - January 1, 2020React.js at Platzi
January 1, 2020 - January 1, 2020Qualifications
Industry Experience
Financial Services, Healthcare, Retail, Software & Internet
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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