Building performant, accessible, and scalable frontends that move business forward.
From Meta to blockchain analytics and telehealth, I design and engineer user-centric web experiences using React, Next.js, TypeScript, and modern data layers.
About
Hello! I'm Dennis, a Senior Frontend Engineer with 7+ years of experience designing, building, and leading the delivery of sophisticated web applications across diverse environments, fromMeta's large-scale platforms (WhatsApp, Ads) to dynamic agency environments (Wolf Carries) and enterprise SaaS (InfoTech). Proven ability to architect performant, accessible, and scalable UIs usingReact,Next.js, andTypeScript, seamlessly integrating with various backends (GraphQL,tRPC, REST) and cutting-edge technologies likeAI/LLMs,WebRTC, WebGL, and blockchain analytics. Extensive experience in3D visualization, having built immersive and interactive platforms with Three.js, BabylonJS, and custom GLSL shaders—optimizing asset pipelines, point cloud rendering, and photorealistic environments forReal Estate, Hospitality, and Web3 applications. Adept at translating complex requirements into user-centric solutions that drive engagement and business value.
- Performance-first UI architecture with accessibility baked-in
- Real-time and data-heavy interfaces (WebRTC, MQTT, analytics)
- UX improvements, testing culture, and component systems
Key Areas of Expertise
Industries Served
Property management platforms, listing portals, and virtual tour applications
Content creation tools, community platforms, and engagement analytics
Streaming platforms, video editing tools, and marketing automation
Telehealth platforms, patient management systems, and medical analytics
Workout tracking apps, sports analytics, and wellness platforms
Enterprise software solutions, productivity tools, and business automation
Trading platforms, payment systems, and financial analytics dashboards
Online marketplaces, inventory management, and customer experience optimization
Matching algorithms, social discovery apps, and community building platforms
Booking platforms, travel planning tools, and hospitality management systems
Learning management systems, online courses, and educational analytics
Experience
- Led end-to-end frontend architecture for Taostats (Bittensor explorer/analytics) and YoloHealth (telehealth).
- Built scalable Next.js + TypeScript frontends, optimizing SEO and large dataset handling.
- Advanced state management with Jotai to minimize re-renders and boost performance.
- Translated complex Figma designs into reusable components with Tailwind + ShadCN.
- Integrated real-time updates via WebRTC/MQTT and GSAP-based scroll animations (Viggle AI).
- Migrated D3 charts to Visx for performance and interactivity; enforced WCAG 2.1 accessibility.
- Integrated GraphQL, tRPC (with Prisma), and Django REST; added LLM-powered UI and chatbots.
- Built features and UI infra for WhatsApp Web, Ads, and Business Messaging tools.
- Migrated WhatsApp Web tests to React Testing Library; trained 20+ engineers.
- Led cross-platform compliance UI flows; boosted Ads-related test coverage to 90%+.
- Contributed to Facebook Design System with accessibility improvements.
- Extensive GraphQL usage across complex interfaces.
- Built accessible UIs (Vue/React) for BidExpress, DocExpress, and Estimator.
- Architected a complex in-browser PDF Editor for DocExpress.
- Modernized BidExpress security using Vue, TypeScript, PKI.js, and WebCrypto APIs.
- Designed a new GraphQL API, integrated OCR search, and built a UI component library.
- Maintained high coverage with Jest/Cypress and collaborated in agile sprints.
The Proudest in My Career
Throughout my software engineering career, I could get a chance to work with Meta (formerly Facebook), a big tech company who are leading cutting-edge technologies, mainly AI, Metaverse, and AR/VR technologies.
Projects
Block Explorer and Analytics Platform for the Bittensor network providing insights, metrics, and real-time data.
- Architected Next.js + TypeScript app for SEO and performance.
- Real-time feeds via WebRTC/MQTT; overhauled charts with Visx.
- Efficient state with Jotai; integrated GraphQL/tRPC APIs.
Telehealth platform for metabolic wellness: virtual consultations, AI meal planning, and social community.
- Translated Figma into reusable components (Tailwind + ShadCN).
- Implemented LLM chatbots and video via Socket.io on AWS.
- Integrated APIs with tRPC and GraphQL for fluid data.
Immersive 3D web platform for hospitality: photorealistic hotel tours, interactive booking, and AI-driven scene generation.
- Built high-performance React apps with Three.js + WebGL (custom GLSL shaders).
- Integrated Luma AI for 3D scene reconstruction and video editing.
- Optimized asset pipelines (Blender/Unreal → web) for speed and fidelity
3D configurator for photorealistic building models: custom replicas, real-time pricing, and integrated workflows.
- Delivered hyper-realistic 3D models with Three.js/BabylonJS + custom GLSL shaders.
- Built mobile-friendly UI with instant pricing and 2D floor plan generation.
- Integrated with websites, dealer systems, and analytics dashboards.
Decentralized 3D property investment: immersive tours, NFT-based ownership, and AI-powered search.
- Built Next.js + TypeScript frontend with 3D tours in Three.js/WebXR.
- Integrated Web3 (Ethers.js/Web3.js) for wallet connect & smart contract ops.
- Delivered NFT portfolio dashboards, API integrations, and AI search (LangChain).
Sustainable shared transport platform: public transit, corporate carpooling, and autonomous vehicle solutions.
- Built React apps with Material UI and Redux for multi-modal transport management.
- Integrated Google Maps API for real-time routing, vehicle tracking, and geospatial analytics.
- Delivered features for public, corporate, and community transport, including demand-responsive routing.
Lightweight 3D viewer for CAD & point clouds: drag-n-drop, instant rendering, and easy asset sharing.
- Built React + WebGL viewer (Three.js) for large CAD models & LiDAR scans.
- Optimized point cloud rendering for smooth navigation in the browser.
- Enabled one-click sharing of 3D assets with lightweight embedding.
AI + human social network: customizable AI companions, photo sharing, and real-world AR pics.
- Built React/React Native app with TypeScript, Vite, and Tailwind for fast, engaging UI.
- Implemented AI personality customization, photo sharing, and AR-style “take pics together” features.
- Integrated Supabase, Mixpanel, and GCP for backend, analytics, and scalable deployment.
WhatsApp Business API platform: automated marketing, sales, and customer support.
- Built scalable React frontend with Redux-saga for complex communication workflows.
- Integrated WhatsApp Business API with CRM systems for campaign automation.
- Delivered analytics dashboards for communication metrics & performance tracking.
AI-powered e-commerce imagery: virtual clothing try-ons, text-to-image, and background generation.
- Built AI pipeline with Stable Diffusion for model, clothing, and background swaps.
- Implemented image segmentation for precise apparel isolation and composition.
- Generated multiple photo variations from a single source image via text prompts and masks.
AI-powered content ideation: creator personas, viral trend scanning, and strategic insights.
- Built cross-platform app with React/React Native, Supabase, and RevenueCat for subscriptions.
- Implemented TrendScan™ to surface niche-relevant keywords & topics from Google, TikTok, IG.
- Integrated push notifications, error tracking (Sentry/Bugsnag), and Google/Apple sign-in.
Skills
Education
Testimonials
Philosophy
I believe frontend engineering is more than writing code—it's about bringing ideas to life in a way that feels effortless to the user. My approach blends technical excellence with a deep understanding of user behavior, ensuring every interaction is fast, accessible, and intuitive. From crafting pixel-perfect interfaces to optimizing performance under the hood, I aim to bridge design and technology to create experiences that delight, engage, and empower.
- User-Centered Mindset
- Critical Thinking
- Think Outside the Box
- Attention to Detail
- Problem Solving
- Continuous Learning
- Cross-Functional Collaboration
- Clear Communication
- Adaptability & Flexibility
- Performance Optimization Focus
- Empathy in Design
- Code Quality Commitment
- Creative Problem-Solving
- Proactive Ownership
