Studio Dao: The Works of Long Dao

LeoTech

AI investigative platform for high-volume audio and intelligence audit records.

  • Frontend Architect, migrated Ember platform to React with Typescript
  • Engineered interactive Node-Link and Tree charts with D3.js for visualizing complex relationships across disparate case files, aiding investigators in identifying patterns within millions of audio records.
  • Designed a custom audio scrobbler engine with sub-100ms latency for instant interactions synchronized with real-time AI transcripts, incorporating temporal indexing for precise annotation and navigation of high-density audio data.
  • Engineered a dynamic form engine to streamline complex investigative workflows, reducing user error rates by 30% through strict schema validation and state synchronization.
Files.com
Files.com
Cloud Storage Platform
  • Led mobile development of a secure B2B file transfer and automation platform for enterprise clients.
  • Implemented a 'Hybrid First' strategy, optimizing engineering efficiency by sharing 90% of business logic between Web and Mobile (iOS/Android).
  • Developed a global TypeScript component library to ensure design consistency and accelerate feature development organization-wide.
  • Wrote platform-agnostic service layers to abstract API calls, creating a reusable layer that accelerated frontend development speed.
  • Optimized large-scale file lists (10k+ items) using virtualization, ensuring the app remained performant with massive enterprise datasets.
  • Provided mentorship on performance patterns like memoization and render cycles to elevate team's engineering standards.
  • Triaged work across team of 5+ Sr. Engineers
DoubleDoor.io
DoubleDoor.io
International Real Estate
  • Directed the frontend technical strategy, aligning engineering decisions directly with business revenue goals in a fast-paced environment.
  • Established Cl/CD workflows, TDD practices, and rigorous code reviews, which doubled release velocity and reduced production regressions.
  • Unified architecture patterns across frontend, backend, and design teams to streamline the development of complex transaction features.
CoStar Group
CoStar Group
Enterprise Real Estate

Global leader in commercial real estate information, analytics, and online marketplaces. Worked across multiple CoStar Group teams including Loopnet.com, Apartments.com, CityFeet.com, Costar.com

  • Built high-traffic features in React and Angular for LoopNet and Apartments.com, serving over 100 million monthly active users.
  • Created real-time listings management with React and D3, ensuring precise state synchronization for financial-grade data.
IEHP

Public healthcare plan serving over 1.2 million members.

  • Migrated legacy Provider Portal to Angular
  • Applied WCAG 2.0 standards to member portals, ensuring product accessibility and compliance for a massive user base.
ESRI

Global market leader in GIS software, location intelligence, and mapping.

  • Front-end and Web Application development with HTML5, CSS3, Javascript, Angular, KnockoutJS, jQuery
  • Created design library that features reusable web components, and icons with a search feature handling 100,000+ elements
iHerb
iHerb
E-Commerce
  • Developed for Desktop, Tablet, iOS, and Android views, jQuery and AJAX, ASP.NET MVC Framework (C#), IIS, TFS Source Control
Loma Linda University Medical Center
  • Responsive and Pageless Design with Bootstrap and SASS, Wireframes with Bolsamiq, Coffeescript, Expression Engine, Instant Search Engine (central focus), Full Calendar
Partners for Better Health
  • Responsive and Pageless Design, Bootstrap and SASS, Expression Engine, Coffeescript, Payment Processor Integration, Form/Application Integration, Email and Call to Action Modal, Pageless Design for main page, Analytics, SEO
Bermuda- Department of Community and Culture
  • Full Calendar and Events
Bermuda National Gallery
  • UI Design, Logo Design, HTML5, CSS3, jQuery, Advisory Services, Content Management System
Advent Hope
Advent Hope
Non-profit
  • Responsive and Pageless Design, SASS, Copy Writing, HTML5, CSS3, jQuery, Advisory Services
Mt. Rubidoux SDA Churc
  • Responsive and Pageless Design with Bootstrap and SASS, Expression Engine, Homepage Carousel, Calendar and Events, Blog and RSS Feed, etc
Kinetic Personnel Group

Kinetic Personnel Group is a full service staffing firm, specializing in professional staffing offering temporary, temporary to hire, and direct placement solutions.

  • MojoMotor Engine
SeaExpress App
SeaExpress App
Government
  • Mobile, IU, Project Management
A.S. Cooper
A.S. Cooper
E-Commerce
  • User Interface Design, Logo Design, HTML5, CSS3, jQuery, Advisory Services, Content Management Syste
Center on Philanthropy
  • User Interface Design, Logo Design, HTML5, CSS3, jQuery, Advisory Services, Content Management Syste
BermyArtist.com
BermyArtist.com
Social Networking

BermyArtist.com is a social networking platform that let's Bermuda's Artists to showcase their portfolios.

  • UI Design, HTML5, CSS3, jQuery, Advisory Services, Content Management System