Hi!, I'm
Charles Randicha Gunawan Santoso
Frontend Engineer
I build website that is
Performant
About Me
About Me
Tech enthusiast with 7+ years of experience as frontend software engineer and passion in building tech solutions for better humanity, backed by knowledge and experience building several web applications for multiple startups unicorn & public sector in Indonesia.
Experienced with wide array of frontend technologies from vanilla Javascript, CoffeeScript, Typescript to modern UI libraries like AngularJS, VueJs, Nuxt, React, Next, Svelte, Astro and many others. Also experience in Progressive Web Apps technology and collaborated on an in-house Component Library development.
7
0
+Years of Experience
4
0
Companies Worked
Work Experiences
Work Experiences
Tiket.com
Senior Frontend Engineer
June 2023 - Present
- Designed and led the development of an intuitive pricing dashboard, enabling streamlined pricing management.
- Spearheaded frontend & apps initiatives across 7+ vertical teams to optimize pricing strategies at Tiket.com (ex: Nudges System, Dynamic Banner).
- Established modular, strongly typed, and well-tested frontend codebases to improve scalability and maintainability. Resulting in faster feature iteration by 40%
- Provided mentorship and technical guidance to frontend engineers, fostering skill development and knowledge sharing.
GovTech Edu
Senior Frontend Engineer
Aug 2021 - May 2023
- Helped in designing and developing the Design System Component Library and general utilities packages used by 40+ frontend engineers, streamlining development processes. Resulting in 30% productivity increase of all frontend engineers.
- Architected PWA caching strategies to ensure an optimal cross-platform user experience. Reducing the consecutive load time by 50%.
- Led the migration of a legacy Svelte service to Next.js, implementing load balancing for seamless user experience. Resulting in 30% productivity increase of other frontend developers that contribute to the service.
- Served as a speaker at internal frontend meetups, sharing expertise on best practices and new technologies.
- Mentored and provided guidance to fellow frontend engineers to enhance their skills and knowledge.
Bukalapak
Middle Frontend Engineer
July 2018 - July 2021
- Collaborated with Product and Design teams to create user-friendly interfaces for Bukalapak's Seller Center Website.
- Contributed to the development and maintenance of a Design System Component Library utilized by 100+ frontend engineers, supporting consistent and efficient UI implementation.
- Served as a speaker at internal frontend meetups, sharing insights and best practices.
- Mentored and provided guidance to fellow frontend engineers to enhance their skills and knowledge.
Gradin
Fullstack Web Developer
Sept 2017 - Jun 2018
- Designed and built multiple web and desktop applications tailored to the needs of 15+ clients.
- Developed a time-tracking application to help management monitor employee productivity.
- Built an internal calendar system integrated with Asana, improving deadline tracking for employees and management.
- Managed and maintained internal hosting servers, ensuring system reliability and security.
- Provided mentorship and technical support to fellow engineers, fostering a collaborative development environment.
Skills
Skills
Frontend
Frontend
Javascript
Javascript
Typescript
Typescript
React
React
Next.js
Next.js
Vue
Vue
Nuxt
Nuxt
Angular
Angular
Astro
Astro
Jest
Jest
TailwindCSS
TailwindCSS
SASS
SASS
GraphQL
GraphQL
RxJs
RxJs
PWA
PWA
Tools
Tools
VSCode
VSCode
Git
Git
Github
Github
Gitlab
Gitlab
Corel Draw
Corel Draw
Figma
Figma
Kubernetes
Kubernetes
Webpack
Webpack
Vite
Vite
Google Cloud
Google Cloud
ESLint
ESLint
Prettier
Prettier
Docker
Docker