Catalyze
Front-End Developer
Catalyze helps eco-conscious organizations communicate their mission credibly.
- Shipped interactive sites for UNEP, WWF, JETP, Lestari Capital, and RMU, hitting PageSpeed scores of 78 to 87.
I work as a technical partner for businesses and organizations. We pin down the problem first, then I build the website or app that solves it, so your business can move faster. We agree on a working arrangement together, one that's fair to both sides and doesn't weigh on you.

Front-End Developer
Catalyze helps eco-conscious organizations communicate their mission credibly.
Frontend Developer
Built and refined features that lifted orders by 5% while keeping the UI/UX in shape. Weekly code reviews cut code issues by about 15%.
Front-End Developer
The grocery and Payment Point Online Bank features grew the user base by 35% and GMV by 30%. I also built the Wholesale Admin Panel from scratch, and 40 vendors in Jakarta ended up using it.
Front-End Developer
Built an internal dashboard for the State Financial Body from scratch, plus branch e-commerce sites for Sarayu, Kotex, and Fiesta that lifted revenue by up to 37%.
A system for managing students, online courses (LMS), and job placements in Germany.
Catalyze's internal tool for managing projects and tracking the time spent on each one.
Sliced and integrated every page, and built a custom CMS for the site.
An Australian Government initiative that supports efforts to prevent gender-based violence (GBV) in Southeast Asia.
Built the vertical scroll animation (GSAP + Lottie) and tuned its performance.
An interactive story for the UN Environment Programme that unfolds as you scroll, animated with GSAP and Lottie.
Front-end development and all the on-page animation.
WWF's global campaign site. The animation is smooth and the pages still load quickly.
Built the whole animated site from scratch.
An animated site for a movement to cut plastic waste. It was an internal project I handled on my own.
Built the front-end and its narrative animation.
The Just Energy Transition Partnership portal, which explains the energy transition through animated storytelling.
Front-end development, including the animation and interactions.
A corporate site in sustainable finance. The animation and interactions are kept minimal so the site still feels serious.
Front-end with a REST API, Redux, PWA support, and SEO setup.
A conservation site built with a REST API and Redux, with PWA support and cleaned-up SEO.
Built WWF's internal map using ArcGIS.
An internal ArcGIS map dashboard that lets WWF explore conservation data interactively.
Built the second version of the site with more web interactions.
The organizational profile site for RKCMPD ERIA, now on the second version, which I built.
Built all of the site's interactions from scratch.
A platform supporting the ASEAN Regional Action Plan on marine plastic pollution through knowledge exchange, capacity building, policy dialogue, and cross-sector partnerships.
Kinly is a platform for building good habits at home. Kids learn discipline and independence in a way that feels fun, and parents can guide them without wearing themselves out.
We'll go through what you need first, then work out an arrangement that's fair to both of us and fits your budget.