Hi, I'm Chaerin An 👋

I am a full stack developer with experience in web development and robotics, currently pursuing a Master's degree in Embedded and Cyber-physical Systems at UC Irvine. I am passionate about efficient collaboration by writing maintainable, readable, and scalable code.
I also enjoy documenting everything I learn on my tech blog to share knowledge.

Irvine, California, USA

Experience

Bear Robotics

Redwood City, California, USA

Software Engineer Intern

July 2023 - Jun 2024

Developed new features for a hospitality robot such as localization, overload notification and self-diagnosis, providing users with a smoother experience in restaurant environments
Utilized technology stacks for robot development, including React for touchscreen interfaces, ROS for robot control, and Flask for backend services
Designed, developed, and deployed a robot network service for Wi-Fi connectivity and network status uploads to the cloud, utilizing a microservices architecture with Python, Bazel, Protobuf, and gRPC
Achieved 100% test coverage for new features through Test Driven Development, preventing bugs that may arise during further development

TypescriptPythonC++ReactBazelDockerProtobufgRPCROS

FreeD Group

Seoul, Korea

Frontend Developer

September 2021 - February 2023

Developed cart, transaction and order pages for an e-commerce platform serving 3,000+ suppliers and 10 marketplaces, including Hyundai Card and BMW
Implemented a dynamic theme website that adjusts layouts, theme colors, and logos based on brand specifications using Server-Side Rendering (SSR) with Next.js, enabling the management of multiple brands within a single project
Delivered a food-delivery chatbot service that offers brands customizable templates, previews, and data visualization for RCS (Rich Communication Services) messages, enabling efficient marketing communication with customers
Spearheaded the development of an in-house design system using reusable React components, and tested with Storybook and Jest. This design system improved developer productivity, reduced bug rates by 25%, and ensured consistent UI and logic across the platform

TypescriptReactNext.jsVueNuxt.jsReact QueryReduxJestStorybook

Personal Projects

Cookie Parking

Chrome extension designed to simplify the process of archiving and categorizing websites with a single click. By clicking on the Chrome favicon, users can save and organize website information

Acquired 1,000 users in the first six months of launch and achieved 1st place at Youth Entrepreneurship Competition

ReactNext.jsTypescriptSWRRecoilStorybookGit

Korean Diary

Korean diary app with grammar correction and pronunciation evaluation features

Implemented a pronunciation evaluation feature utilizing the Korean-tailored Bidirectional Encoder Representations from Transformers (BERT) language model

ReactTypescriptReact QueryPythonFlaskJavaSpringAWS

Education

September 2024 -

University of California, Irvine

Master of Embedded and Cyber-Physical Systems