Senior Frontend Engineer

● Led the end-to-end frontend development and architecture for key agency client platforms, including Taostats (Bittensor blockchain explorer/analytics) and YoloHealth (telehealth/wellness platform). ● Architected scalable and performant frontends using Next.js and TypeScript, optimizing for SEO (Taostats) and efficient handling of large datasets. ● Designed and implemented advanced state management solutions using Jotai (Taostats) to minimize re-renders and enhance application performance. ● Translated complex Figma designs into pixel-perfect, reusable React components using Tailwind CSS and ShadCN, ensuring design fidelity and maintainability (YoloHealth). ● Engineered engaging user interactions, incorporating real-time data updates via WebRTC/MQTT (Taostats) and sophisticated scroll-based animations using GSAP (Viggle AI). ● Overhauled complex data visualizations by migrating D3.js charts to Airbnb's Visx library, significantly improving performance and interactivity (Taostats). ● Championed and enforced web accessibility standards (WCAG 2.1) through code reviews, direct implementation, and team guidance. ● Integrated frontend applications seamlessly with backend services using GraphQL, tRPC (with Prisma), and Django REST framework APIs. ● Developed user interfaces for interacting with various Generative AI models (Kling 2.0, Pika) and integrated AI chatbots using LLMs (OpenAI) (Viggle AI, YoloHealth). ● Implemented robust security practices on the frontend, including input validation and secure token handling, complementing backend security measures like 2FA. ● Utilized AI code editors (Cursor, WindSurf) and modern tooling to boost development velocity and efficiency. Skills: React.js, Next.js, TypeScript, JavaScript, Node.js, Python (Django), GraphQL, tRPC, Prisma, TypeORM, Supabase, PostgreSQL, WebRTC, MQTT, Socket.io, GSAP, Visx, D3.js, Tailwind CSS, ShadCN, Jotai, HTML5, CSS3, Jest, React Testing Library, WCAG, AWS (EC2, CloudWatch, Serverless), LLMs (OpenAI), Figma, Git.

● Developed and maintained user-facing features and core UI infrastructure across multiple high-impact Meta products, including WhatsApp Web, Ads platforms, Business Messaging tools, and internal systems. ● Architected and implemented key consumer and business features for WhatsApp Web using React, TypeScript, and modern JavaScript, focusing on delivering optimal user experiences and performance at scale. ● Led the successful migration of the WhatsApp Web testing infrastructure to React Testing Library, significantly improving test reliability and developer velocity; conducted training sessions for 20+ engineers on best practices. ● Integrated complex, cross-platform UI flows (Web, iOS, Android) for critical compliance initiatives, such as the EMEA ad opt-out settings, utilizing internal frameworks like Bloks alongside React and GraphQL. ● Enhanced the UI/UX of the Ads Profile Center and Ads Feed Subscription service, driving frontend test coverage from ~15% to over 90% using Jest and React Testing Library. ● Contributed to the core Facebook Design System, focusing on improving component accessibility (ADA compliance) through semantic HTML, ARIA attributes, Style X, and ensuring robust color contrast ratios in collaboration with design engineers. ● Developed and refactored UI components for internal platforms, including a privacy risk management tool and the WhatsApp API onboarding flow, based on UX research and stakeholder requirements. ● Utilized GraphQL extensively to fetch and manage data for complex frontend interfaces across various applications. Skills: React.js (incl. Hooks, React 18), TypeScript, JavaScript (ES6+), GraphQL, HTML5, CSS3, Jest, React Testing Library, Style X, Bloks, PHP/Hack (for integrations), Accessibility (ADA/WCAG).

● Developed responsive and accessible user interfaces for multiple projects using Vue.js and React, focusing on modern UI design principles. ● Architected and implemented a complex in-browser PDF Editor from the ground up, significantly enhancing document interaction capabilities within DocExpress.com. ● Engineered a critical security upgrade for BidExpress.com, modernizing bid encryption and security protocols using Vue.js, TypeScript, PKI.js, and WebCrypto APIs. ● Designed and built a new GraphQL API to improve data fetching efficiency and provide a modern alternative to legacy APIs. ● Led the initiative to integrate an OCR solution for document search within DocExpress.com, improving core product functionality through an innovation project. ● Implemented interactive front-end features for data analysis visualization within the Estimator tool. ● Ensured consistent adherence to WCAG accessibility standards across all developed web pages and components. ● Created and maintained a shareable UI component library using Docker and npm, promoting code reuse and streamlining development workflows. ● Established rigorous unit and end-to-end testing practices using Jest and Cypress, maintaining high code coverage and application performance. ● Collaborated closely with Business Analysts and Product Owners in agile sprints to refine requirements, inform design decisions, and plan development tasks. Skills: Vue.js (Vue 2), Nuxt.js, React.js, TypeScript, JavaScript (ES6+), HTML5, CSS3, GraphQL, REST APIs, Node.js (implied by npm/GraphQL), PKI.js, WebCrypto API, Jest, Cypress, Docker, npm, Git, AWS S3, EC2, UI/UX Design Principles, Web Accessibility (WCAG).