Nataniel

Designed and developed an enterprise-level internal dashboard for Johnson & Johnson, delivering critical KPIs, analytics, and actionable insights to managers for decision-making in procurement, stock management, and event monitoring. Built complex, reusable UI components (React, TypeScript, Material UI) including multi-level, color-coded nested tables for data visualization, with consistent design via Storybook and Figma. Engineered scalable backend services using Node.js, NestJS, TypeORM, and MSSQL, developing RESTful APIs, business logic, and database migrations (Flyway) aligned with data engineering requirements. Ensured high code quality with >80% unit test coverage (Vitest, Jest) enforced through SonarQube and Jenkins CI/CD pipelines. Led and reviewed PRs across frontend, backend, and component library; collaborated closely with product, QA, and design teams, regularly presenting new features to stakeholders and participating in SCRUM ceremonies (Dailies, Retros, Refinements, Story pointing).

Contributed to two key projects: a dashboard for telecommunications clients and an NFT marketplace for BPI Bank, both developed in fast-paced environments with tight deadlines. Developed and maintained responsive pages and reusable components based on Figma designs and Storybook documentation using React and TypeScript. Implemented new features and performed debugging to ensure a seamless user experience and high code quality. Integrated front-end components with back-end APIs, supporting dynamic data and real-time updates. Collaborated closely with the Project Manager, adjusting priorities and deliverables to meet critical project milestones.

Co-creator and core front-end developer of Watches and Culture, a digital encyclopedia platform for the Fondation Haute Horlogerie (FHH), developed alongside a tight-knit team (tech lead, front-end partner, and myself). Translated Figma design systems into reusable, well-documented Storybook components, ensuring design consistency and maintainability across the project. Developed responsive pages and new features using React, TypeScript, and Material UI, focusing on accessibility and high visual quality. Collaborated closely with design and tech leads, contributing to technical decisions, project planning, and continuous improvement. Worked within Agile/Scrum methodologies, participating in sprints and regular feedback cycles.

Worked on redesigning and migrating legacy UI components to modern standards for Ignition, an Australian client, ensuring system stability and seamless transition. Migrated and updated UI components from the legacy codebase to the latest versions in React, TypeScript, and SASS, integrating with the React Carbon Components library and documenting via Storybook. Ensured existing business logic was preserved during migration to prevent regressions or system downtime. Collaborated closely with team members and stakeholders, facilitating effective communication and balanced decision-making between client requirements and development feasibility. Provided occasional Node.js support for bug fixes and backend improvements as needed throughout each sprint. Contributed to Agile/Kanban processes, supporting efficient sprint delivery.

Worked in a multidisciplinary team across Brazil, US, and India to deliver two major projects: a backend for a game and frontend integration for Adobe/Nike. Designed, implemented, and configured all backend logic and routes using Node.js, Express, TypeScript, AWS Lambda, and REST APIs. Collaborated in integrating Adobe’s backend services into Nike’s systems, ensuring seamless data flow and reliability. Enforced clean code standards and introduced ESLint and modern best practices to the frontend codebase (React, TypeScript, Styled Components). Facilitated effective communication among team members from different countries, helping maintain project momentum and minimize bottlenecks. Contributed to an Agile workflow, participating in sprints and regular team meetings.

Developed and maintained a whitelabel PWA and a mobile app for food delivery, supporting multiple client customizations. Built and debugged features for a whitelabel Progressive Web App and React Native mobile app, ensuring smooth performance and reliable delivery experience. Implemented and maintained reusable components using React, Next.js, Styled-Components, and Redux. Customized client instances by handling configuration files (images, colors, fonts) for each deployment. Collaborated closely with Product, QA, and UX/UI teams, translating client needs into technical solutions and ensuring high usability standards. Supported Agile development practices, contributing to sprints and rapid feature releases.

Provided maintenance and support for a legacy enterprise system while assisting in the development of new product features. Maintained and improved the company’s legacy front-end system, ensuring stability and reliability during the transition to a new platform. Developed new pages and features with React, Redux, Next.js, Styled-Components, and modern hooks. Debugged issues, created reusable components, and contributed to the documentation and component library using Storybook. Collaborated with senior developers and cross-functional teams, learning best practices in front-end architecture and code quality. Utilized GitLab for version control and participated in Agile team activities.