Publication
How to Create a Simple Python WebSocket Server Using Tornado
https://www.toptal.com/tornado/simple-python-websocket-server
Jongwook is available for hire
Hire JongwookJongwook Kim
Verified Expert in Engineering
Software Developer
Location
Seattle, WA, United States
Toptal Member Since
December 17, 2015
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.
Availability
Part-time
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.
Skills
Languages
Hack, SQL, Python, Java, Scala, JavaScript, PHP, CSS
Storage
MySQL, Redis
Frameworks
Apache Spark, Hadoop, Spring, Spark, Django
Libraries/APIs
React, jQuery
Tools
Git
Paradigms
Data Science, Agile Software Development, Concurrent Programming
Other
Machine Learning, Leadership, System Architecture
Platforms
Amazon EC2, Linux
Education
1995 - 2002
Bachelor's Degree in English Language and Literature
Yonsei University - Seoul
Collaboration That Works
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
1
Share your needs
Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2
Choose your talent
Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3
Start your risk-free talent trial
Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
Top talent is in high demand.
Start hiring