HELLO! 😁

I am Richard Tirta Widjaja,

a Frontend Engineer.

I build high-performance, data-driven applications and visual experiences that help millions of people make better decisions.

From interactive campaigns to global platforms, my work contributes to products and systems used at scale around the world.


Explore my work »

WORKS

Last updated: May 2026

ABOUT

About me

I’m a frontend engineer based in San Francisco, focused on high-performance interfaces, data-heavy tools, and visual systems that make complex information easier to understand.

My path into frontend started with a love for art, design, and interactive media. Early on, I used that interest to help entrepreneurs, local businesses, and nonprofit organizations build digital experiences that reached real audiences.

After internships with Btrax and San Francisco International Airport, I joined AKQA, where I contributed to high-profile digital campaigns and product launches for global brands. Since then, I’ve worked across eCommerce, global business marketing, and manufacturing systems—from leading frontend work at Charlotte Russe, to building React and CMS-powered tools for Meta’s global Business audience, to developing critical interactive dashboards for Apple RFSAC.

How I work

I like owning work deeply, from the user experience down to the technical details that make it reliable. I’m happiest when I can stay close to the product, understand the people using it, and shape the frontend architecture that supports it.

At the same time, I care a lot about the team around the work. I enjoy mentoring developers, writing clear documentation, improving handoff processes, and helping designers, product partners, and engineers make better decisions together.

Across all of these environments, I care about the person on the other side of the interface. Whether the goal is to launch a campaign, manage content, understand business performance, or act on manufacturing data, I want the experience to feel clear, responsive, and a little bit exciting.

What connects the work is a love for interfaces that are both useful and expressive: systems that perform under scale, respect accessibility and internationalization, and still carry a sense of craft.

How to reach me

Thanks for checking out my work.

Third-party recruiters can reach me through my LinkedIn.

Hiring managers are welcome to contact me directly below.

I’m open to remote roles, hybrid roles, or onsite opportunities in San Francisco and San Mateo County.

Email: rt[at]richardtirta[dot]com

Technical Tools

  • JavaScript
  • TypeScript
  • React
  • Next.JS
  • CSS
  • HTML
  • APIs
  • Plotly/ D3.js
  • SQL
  • Node.JS
  • Python
  • PHP/ Hack Language
  • CMS (Wordpress, Sanity, In-house, etc)

Conceptual Skills

  • Unit / E2E Testing
  • Responsive & Adaptive Design
  • SEO
  • Internationalization (i18n)
  • Localization (l10n)
  • Personalization (p13n)
  • Regionalization/ Transcreation
  • Accessibility/ WCAG Compliances
  • Browser Quirks (IEs, Touch Devices, Mobile Devices, Email Clients)
  • Agile Development
  • Audience Targeting
  • Social Media Strategies
  • Performance Improvement
  • A/B Testing
  • Analytics
  • Typography
  • UI/ UX Best Practices
  • Product Management
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