Publication
How to Create a Simple Python WebSocket Server Using Tornado
https://www.toptal.com/developers/python/simple-python-websocket-server
Jongwook is currently unavailable
Jongwook Kim
Verified Expert in Engineering
Software Developer
Seattle, WA, United States
Toptal member since December 17, 2015
Bio
With over a dozen years of experience, Jongwook develops simple and robust software that delivers value to customers. Jongwook believes that showing the client a working software first and evolving that product together is important to the development process, so he welcomes changing requirements. He enjoys problem solving and communicating with motivated individuals.
Portfolio
Facebook
React, PHP
Kakao
Java, Python, Scala, Spark
Naver
MySQL, Spring, Java
Experience
- Java - 6 years
- MySQL - 6 years
- Python - 3 years
- Hack - 2 years
Preferred Environment
Spark, Git, Linux, Python, PHP
The most amazing...
...project I’ve worked on involved gathering user feedback and modeling a rank algorithm for a social search collection.
Work Experience
Software Engineer
2016 - PRESENT
- Worked as a solutions engineer for Facebook in Korea. Consulted Korean advertisers to adopt and utilize Facebook marketing solutions such as Dynamic Ads, Pixel, and App Events in order to achieve business objectives.
- Designed and implemented a new plugin API that helps engineers extract strings to be translated for the purpose of i18n from various sources such as code repositories, database, and files.
Technologies: React, PHP
Team Lead
2008 - 2015
Kakao
- Implemented a blog post ranking algorithm using bloggers’ trusts, which was computed by their recommendation histories.
- Created a personalized blog post feeder on Lucene.
- Modeled news and image collection ranking algorithms.
- Led a team to create a buzz search service from scratch, which gathers and evaluates users’ reactions to finding issues and related content.
- Led a team that focused on developing search keyword services, including auto-completion, query suggestions, and trends.
Technologies: Java, Python, Scala, Spark
Software Engineer
2006 - 2008
Naver
- Adopted Agile methodologies to decrease bugs and service failures.
- Integrated Java frameworks such as Spring, iBatis, and FreeMarker.
- Automated server managing and service deployment using Bash.
- Implemented network servers for communicating with game servers and backed up authentication Oracle servers by using a memory database instead.
- Worked as the technical lead for Hangame's web development center.
Technologies: MySQL, Spring, Java
Web Developer
2002 - 2006
SK Communications and Unitel
- Implemented a common JavaScript library based on Prototype.js.
- Developed websites using Struts and MySQL.
- Maintained and improved websites for online photo prints, online movies, and P2P sites as a lead developer.
- Implemented a back-end server with pooling sockets from clients and synced events with an external server.
- Worked with the Cyworld development team.
Technologies: JavaScript, Java
Experience
Noise Filter
A set of Spark codes that I wrote for Scala. The code filters noise logs by extracting features after GroupByKey and applies simple rules to classify noise users identified by a UUID key.
Task Management System
https://github.com/fantazic/tmsThis web app is a private project for task management that is based on Django, SQLite, and Vue.js. All functions are covered by unit tests and functional tests.
Online Parser
https://github.com/fantazic/online-parserThis is a private project for parsing TSV files. The project uses web sockets for bidirectional data handling. The Tornado web server is used for the back-end web socket, and AngularJS is used for the front-end.
Education
1995 - 2002
Bachelor's Degree in English Language and Literature
Yonsei University - Seoul
Skills
Libraries/APIs
React, jQuery
Tools
Git
Languages
Hack, SQL, Python, Java, Scala, JavaScript, PHP, CSS
Storage
MySQL, Redis
Frameworks
Apache Spark, Hadoop, Spring, Spark, Django
Paradigms
Agile Software Development, Concurrent Programming
Platforms
Amazon EC2, Linux
Other
Machine Learning, Data Science, Leadership, System Architecture
Collaboration That Works
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