Jaepil Jeong Email & Phone Number

South Korea

Yeongdeungpo-Gu, Seoul, Kr

As a part of the team for building DeepSearch, a financial research platform, his contribution is mainly focused on but not limited to product design and backend infrastructure to build competitive and unique product at a limited time and budget.Designed and implemented the initial version of DeepSearch web app on top of React web framework.Designed and implemented the backend infrastructure for DeepSearch such as computation engine, storage engine, and query execution, including query parsing, query planning, and query optimization.Designed and implemented the embeddable document-oriented database with various types of indexes support, to make DeepSearch capable of performing complex real-time computations on the ever-growing historical financial data.Designed and implemented the data pipelines to collect stock transaction ticks in real-time from stock exchanges.Designed and implemented the document search engine with the integration of machine learning pipelines such as near real-time topic extraction and entity extraction to find relevant entities or anomalies in the news and company filings for the given query.

Shadow Company • Led the development team both as a project manager and as a technical director. • Designed and implemented anti-cheat engine. • Designed and implemented data analytics platform.Meteos for Mobile • Led the development team both as a producer and as a technical director.Biohazard for Mobile • Led the development team both as a producer and as a technical director.

Social gaming company merging user generated fashion design and highly customizable 3D avatar technology.

Redwood City, Ca, Us

Battlefield Online • Improved loading performance by implementing virtual file system, multi-threaded resource manager, and etc. • Improved dedicated server performance by implementing cutting-edge technologies for CPU-intensive business logic such as adaptive frame rate and adaptive network culling. • Implemented monitoring agent for watching server farm to evenly distribute users across the dedicated servers. • Implemented scalable memory allocator with API hooking technology. • Fixed defects by analyzing crash dump with knowledge of reverse engineering.

Developed Project Powder, an online snowboard racing game published by Outspark.

Seongnam-Si, Gyeonggi-Do, Kr

Back-end Platform• Designed and implemented frameworks and tools that required to build back-end services for large-scale products, such as IDL compiler, network framework, logging system, deployment system, monitoring system, and etc.Hangame for PDA• Designed and implemented a 2D game engine for Windows CE and Pocket PC.• Developed "Hangame for PDA", a game launcher for downloading and installing games via Internet.• Developed several mobile games for "Hangame for PDA" that allows users to play games with others in real-time via Internet.Uppu (Hangame version of RallyX)• Implemented server-side features for broadcasting the game league on OnGameNet, a cable TV channel.