Hi, I'm Alfonsus Avianto 👋
Frontend Engineer
A computer science graduate from the University of Brawijaya. I'm a frontend engineer with a passion for crafting intuitive and engaging user experiences. With expertise in React, Vue, Next.js, and TypeScript, I thrive in developing performant and scalable web applications.

Experience
Glympse of My Career Journey
Software Engineer
- Develop and maintain desktop and mobile web applications, internal tools, and mobile apps for approximately six different products using Next.js, TypeScript, and React Native.
- Develop web end-to-end automation test cases using Playwright, increasing test coverage by 49.58%, reducing manual effort, and improving testing stability.
- Automate various business processes using Puppeteer and UIPath Robotic Process Automation.
- Take the initiative to resolve security vulnerabilities across 9 repositories, resolve 79 critical and 403 high-priority vulnerabilities, modernize outdated tools, and improve system security and maintainability.
- Mentor interns by providing technical guidance, onboarding support, and regular code reviews, ensuring a smooth learning experience.
Frontend Engineer
Frontend Engineer Intern
Frontend Engineer Intern
Frontend Engineer Intern
Frontend Engineer Intern
Skills
Tech Stack I Use
Portfolio
Selected Projects
Edusex
A sexual education website for teenagers. This web app provides materials, discussion forums, and personal consultations with psychologists regarding anything related to sexuality. User can also do an interactive test after finishing each material.

BCC Design System
An open source UI Library for Basic Computing Community's internal projects. I participated in developing several components, such Appbar, Toast, Text Field, and Switcher.

Helto
An educational website for potato farmers. I was in charge of building the frontend using React and the ML model for pattern recognition using Python and CNN algorithm. Successfully achieved the first place in IOFTI Web Dev Competition by Tarumanegara University.

TedxUniversitasBrawijaya 2022
I developed the frontend and the backend system for the official website, speaker registration, audience registration, admin dashboard and ticketing system. The main website received over 1000 visits. Deployed on GCP and CPanel by utilizing GitHub Actions.

Yada Youth Website
A non-profit organization which aims to help Indonesian childrens who are in need to get access to the education. I was the web development manager, led a team of 4 to build the company profile website with 100% unit testing coverage.

Notesgram
Social media mobile app for sharing and buying handwritings notes. Successfully achieved the second place in INTENTION App Development Competition by Padjajaran University. I was responsible to create the backend system and the API documentation.

Twice But Nice
An e-commerce site for selling thrifted products, consists of the customer facing and admin panel sides. All the end-to-end processes are covered, starting from viewing products, add to cart and favorites, checkout, payment (using Midtrans) and email billing.

Interested in Collaboration?
Wanna a further discuss and more information about my competency? You can reach me out via email and also view my resume