• Led a two-person team in implementing a Heroworks hotel price and review crawler, scheduling automated runs every hour, day, and month • Developed the backend for the Heroworks Revie project, ensuring a solid foundation for core functionalities • Deployed OTAs crawlers on AWS EC2 instances, optimizing scalability and performance • Collaborated with Kabuk, a Japanese company, to troubleshoot and resolve critical issues in the price crawler Tech stack: Python, Nest.js, AWS, Celery, RabbitMQ

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• Implemented the Listly Whole and Part Multiple tabs feature, empowering users to extract data seamlessly from all open tabs • Implemented the capability for multiple tabs data extraction, providing a streamlined process that organizes extracted data into a designated folder • Successfully deployed the Listly Part Tabs feature to end users, incorporating a redesigned extension page for an enhanced user experience. • Developed API Views to efficiently manage and handle requests originating from the Chrome extension, ensuring seamless communication and functionality Tech stack: JavaScript, JQuery, Python, Django

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• Implemented APIs for order book of Treasurer items • Designed the order book of items page in admin website of Treasurer • Implemented Slack bot which gives the report of daily, weekly and monthly core activities of Treasurer • Maintaining the business process of Treasurer by analyzing and processing crawled data from trading platforms • Implemented a crawler to parse and analyze data of luxury watches and wines from different platforms • Maintaining a crawler and script to run every day for getting, cleaning and updating data every day for our database and platform https://watch.treasurer.co.kr/en/main • Implemented an API for getting market depth of wines from Liv-ex with different vintage years Tech stack: Node.js, JavaScript, React, Python, Nest.js

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• Improved program description page by adding booking page by date and time • Implemented a weight description page with corresponding graphs for each training set Tech stack: React Native, JavaScript

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Implementing a full-featured mobile application for company from scratch Configured development and production environments on Android platform Configured the Push Notications for devices on Android platform Developed functional mobile pages and corresponding design Deployed the app for initial distribution and testing on Android platform by generating .APK file Tech stack: React Native, TypeScript, AWS Cognito, Pinpoint

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