Developed and shipped features for a large-scale construction management platform using React.js and React Query, working across micro-frontend modules within a long-lived legacy codebase, collaborating closely with design and backend teams from spec to production. Contributed to the frontend implementation of a Zebra-to-mobile application migration using React Native, translating legacy device functionality into a modern mobile experience for field logistics workflows. Implemented features end-to-end using an AI-first development workflow with Claude Code, covering task implementation, automated code review, and bug resolution, enabling fast and consistent delivery across the team. Built and maintained reusable UI components for an electronic recycling platform using React and React Query, replacing legacy Redux state management; contributed to provisional UI designs while the design system was being developed, and occasionally worked on backend service logic. Participated actively in all Scrum ceremonies — sprint planning, daily standups, and retrospectives — ensuring consistent alignment with project goals and timelines.

Delivered web and mobile features for a digital wallet platform with 2M+ active users; built the main onboarding stepper and multiple UI components for a shared Storybook-based component library following a custom design system, implementing transaction flows and user dashboards using React.js and React Native. Built the BackOffice web application from scratch for internal transaction and user management, implementing Auth0 authentication, RBAC with 10+ roles, two-factor authentication, and sensitive data decryption; handled bulk monetary operations processing thousands of records per file and implemented real-time WebSocket notifications. Developed features for a healthcare eCommerce platform built with Gatsby.js, GraphQL/Apollo, and a headless CMS, including product catalog updates and checkout flows; also maintained a React-based internal call center tool for order and customer management. Built features for a JSON-driven telemedicine platform handling 20+ guided steps per consultation, including a real-time video session between patient and physician, with a configurable step system allowing dynamic addition, removal, and editing of steps and instructional media. Applied consistent best practices in TypeScript typing, component composition, and responsive design across healthcare and banking sector projects.

Developed React Native (with Expo) mobile applications and React web applications, migrating modules from a Java/JSF enterprise suite into standalone mobile apps, implementing new features and comprehensive bug fixes. Maintained and extended an enterprise web platform covering tools such as balanced scorecards and performance dashboards, built on a Java/JSF monolith, ensuring stability and performance through testing and optimization. Collaborated with cross-functional teams to deliver user-centric solutions in fast-paced environments.