Toh De Kai

Product Driven Engineer

Creating intuitive and impactful digital solutions

About


Back in 2020, I had the opportunity to develop a landing page during my UI/UX internship at Calibrate. This experience ignited my passion for coding, leading me to pursue a Bachelor's degree in Computing.

Since then, I have gained diverse experience across various roles, including project management, UI/UX design, and software engineering. This multifaceted background has equipped me with a comprehensive understanding of the development and design lifecycle, allowing me to deliver high-quality, user-centric digital solutions.

I specialize in creating intuitive, impactful, and accessible web applications. My goal is to bring innovative ideas to life while ensuring an engaging user experience.

When I'm not at my desk, I like to keep myself busy through an active lifestyle - aiming to complete a sub-5 hour marathon in 2025

Where I've Worked


Kovalee

Software Engineer Intern

FEB 2024 - PRESENT
  • Spearheaded the development of a partner dashboard, collaborating closely with the data team to integrate Snowflake queries into API endpoints and build a dashboard using Astro, React, and Tailwind CSS.
  • Refactored API endpoints to use functions from the core library and migrated from a monolithic server to a microservice architecture.
  • Build features for existing tools such as introducing additional filters, and making additional data visualisation using Chart.js.
  • Implemented UI and created reusable components for multiple products using React, TypeScript, and TailwindCSS.
  • Implemented and deployed cron jobs and web services on Render.
TypeScriptNode.jsTailwind CSS

NUS IDS

Frontend Developer

JUN - JAN 2024
  • Created and designed new mobile-responsive web pages
  • Conducted website maintenance and effectively resolved bugs to ensure smooth functionality.
  • Introduced Git as a source-control system and Trello for more efficient project management.
HTMLCSSJavaScript

GovTech

Software Engineer Intern

MAY - JAN 2023
  • Led Project Latios, employing Python, FastAPI, and DynamoDB, to generate trackable URLs with insightful data like click-through rates.
  • Collaborated with a team of 2 engineers to develop a personalized newsletter system, utilized by multiple government agencies. Leveraged AWS technologies, Python, and MongoDB for seamless implementation.
  • Orchestrated automated web crawling across 20+ news sites daily by building Scrapy spiders to crawl news headlines and articles and streamlined article processing into a uniform format using NLP techniques like lemmatization, tokenization tagging, and stopword removal.
  • Built REST APIs using FastAPI, integrating data from DynamoDB, to create a tailored EDM editor essential for internal teams.
PythonAWSMongoDBFastAPI

ZALORA

Project Management Intern

SEP - DEC 2021
  • Improved productivity through user interviews and research, optimizing onboarding practices.
  • Enhanced organizational efficiency by transferring vital data from Google Sheets to Jira.
JiraGoogle Sheets

Skilio

Product Development Intern

APR - JUL 2021
  • Created a landing page using Figma and Elementor, combining design and development expertise.
  • Spearheaded the redesign of a web app.
  • Produced assets including product mockups to support marketing initiatives.
  • Engaged in numerous user interviews and usability tests to extract insights for product enhancement.
WordPressElementorFigmaHTMLCSSJavaScript

Lexly (Formerly Calibrate)

UX/UI Design Intern

AUG - FEB 2021
  • Developed landing page using HTML and CSS to attract more users.
  • Spearheaded design and development of high-fidelity prototype of mobile application with Figma.
FigmaHTMLCSSJavaScript

Built with Next.js and Tailwind CSS, deployed with Vercel