Eric Byungwook Ahn Email & Phone Number

South Korea

AWS- I am building a customized AWS billing system. It has own data pipeline using AWS CUR data, S3, CloudWatch, SNS, Lambda, Glue, Athena and QuickSight. In order to provide efficient, it has a SageMaker infra to directly deal with CUR data with python, Athena query and so on. - AWS Cost Anomaly Detection : I am working on a project to register anomaly alerts as tickets in Jira, which is operated on-premises, based on abnormal AWS cost data.TCMSPagerDuty

I was maintaining TCMS built by PowerApps, and supporting to connect PagerDuty system to services well as the billing owner of PagerDuty system that will use the notification and connecting to MS teams, TCMS or etc. Using Terraform Enterprise for the Infrastructure as Code(IaC), contributing to projects for notification and interconnection to TCMS, Teams, Jenkins, Beanstalk, or etc.

SK techx was merged into SK planet again. I am in charge of service incident management based on B2C services, IDCs(Internet Data Center) and also communicating with SK ICT family (SK telecom, 11st, SK Broadband, and etc). I am sharing incident handling reports to related departments. The most important thing is to manage the incident situation quickly. A new TCMS build by PowerApps was another role. The old TCMS/TxCMS system will be fade out step-by-step and opened the new TCMS. The journey of Azure and AWS Cloud is starting from 2020 as Cloud Engineer. The objectives are settled down of AWS Config and Lamda, Azure Config.

The Platform Division of SK planet except O2O services spun off into SK techx and others. This company has closely conducted a joint project with SK telecom. As a manager in charge of middleware (mostly tomcat, Apache, Nginx, and JDK), I have worked a standardization of middleware software and handled many issues related to those as well. I have managed as a PM for two projects, that are "CMDB(Configuration Management Database)" and "CMS(Change Job Registration and Management System)". All system operations, a new version to deploy in servers, emergency patch, and so on have to register in CMS system.I have been in charge of company-wide incident management based on a b2c service, an IDC, and also communicated with SK telecom. I have shared incident handling reports with related departments. The most important things are the provision of measures to prevent the recurrence of a similar incident.I have communicated with SaltStack engineers for CMDB system, learned how to operate legacy IDC effectively, and tried to reduce the downtime of services.

Jung-Gu, Seoul, Korea

SK planet is one of the O2O service leaders. I have joined as a technical architecture position to design and implement specific features of Open API Platform. Platform Architecture team was responsible for running the Developer Center for internet users and running Open API Platform that is to process and to do as a gateway the specific APIs. The main goals were increasing APIs processing capability and providing Open API Platform for SK planet, inc(USA). The running Open API Platform in a legacy IDC replicated to AWS environment. Also, Increasing APIs processing capability was integrated a cache system into the Open API core platform. I have experienced to learn how to operate and configure the cloud services in a Public Cloud Service(AWS). I have known the very first time how to operate and control the public cloud AWS. The most successful thing was using Packer to build an Amazon Machine Image(AMI) and deploying the application to AWS with a load balancer and autoscaling group for Open API gateway system and Developer Center.As a Docker Infra project member, I have worked a performance analysis of docker infra. For myself, I have delivered my speech about how to measure the performance in a docker infra ( Please see my presentation : http://2015.pycon.hk/schedule/topics/keep-it-simple-web-development-stack and etc ).I have experienced some application stacks or platforms like AngularJS, Play framework, and Docker Engine API. Not only developed the admin webpage, but also operated the Docker Infra Service.

Seoul

NimbusNetworks is a venture company created in 2011. I have joined as a third employee. I love to know core components of CDN technologies upon on virtual machines. It was the very first time to have experienced the cloud technology that I can integrate and developed an auto-provisioning and applied the latest technologies directly or indirectly.This company has serviced Cloud-CDN that is CDN platform upon a private cloud with LG-U+, CJ hellovision, and SKB.The core components(or services) are cloud-analytics, cloud-auth, cloud-download service, cloud cache service, cloud streaming service, and cloud-vod service.• Cloud Analytics- Designed and Implemented of Big Data analytics log-based(ATS, WMS, Wowza..)- v1 : Custom log-processing using c/c++ and mongoDB- v2 : Logstash, elasticsearch and mongoDB• Cloud Auth- Designed and Implemented of Auth Product.- Designed a one-time URL auth platform using a host, URI path, and etc.• Cloud Download Service-Designed and Implemented of Auto-Configuration modules that can apply a specific config into several servers at once-Designed and Implemented of Apache Traffic Server Plugin ( CloudAuth and etc )-Designed and Implemented of Download Manager that is an ActiveX type.• Cloud Cache Service-Designed and Implemented of Auto-Configuration-Designed and Implemented of Apache Traffic Server Plugin ( CloudAuth )• Cloud Media Streaming Service-Designed and Implemented of Auto-Configuration modules that can apply a specific config into several servers at once-Designed of Traffic Shaping plugin in Apache Traffic Server-Designed and Tested of HLS library and Player for Android 2.1+• Cloud VOD Service-Designed and Implemented of MP4 HTTP Progressive streaming service for Samsung and LG Smart TV

CDNetworks is one of the leaders in Global CDN industry. The company has many products such as Acceleration, DNS, Storage, and Global Load Balancing solution. I worked as a leader of Streaming Media Product.- AquaPlayer for Streaming Media- Apple HTTP Live Streaming Platform- AquaMobile for Streaming Media in mobile devicesMajor features that developed :- Multimedia Programming with Directshow - Parser/Splitter filter technique - Designed and developed many functions of AquaPlayer - Integrated Streaming Service using media on a caching platform - Worked on a test environment for Apple HTTP live streaming ServiceI have known how to develop using Jira, Git, and etc, also worked with global engineers.

Seoul, Korea

UnimTec is the leader of Digital Product manufacturer making Japanese export products that a technical standard for digital television broadcast used in Brazil, Peru and etc based on the Japanese ISDB-T standard.I worked as an embedded developer and implemented the HDTV and multimedia mobile devices, Media Software based on Microsoft Windows and Linux.- 1-Seg USB Player on Microsoft Windows PlatformThis product was made with Directshow Technology based on ISDB-Tb standard for export to Brazil.- FullSeg USB Player on Microsoft Windows PlatformThis product was made with Directshow Technology based on ISDB-t standard for export to Japan. I worked the Program Guide Function using streams of MPEG2-TS. I also made the test environment for MPEG-2 decoder with DXVA technology.- FullSeg USB Player for the Tokyo Show on Linux PlatformThis product was made with VLC media library and Video4Linux for capturing video from USB. I used a USB filter driver technology for capturing a video and audio stream. Also, I have experienced UI in TV platform and ported many chips(I2C, scaler, and etc) into TV platforms those are Genesis, MStar.

Goyang, Gyeonggi-Do, Korea

NoAD, Inc, is the leader of the Anti-Spyware and Windows Software Utilityin Korea. Their library of Anti-spyware applied to other solutions.I worked as Software application Engineer. I joint several installation software with NSIS, several functions for anti-spyware product, and Multimedia Player.I have learned a lot technique of AntiSpyware, and Media Platform.

Gangnam-Gu, Seoul, Korea

DigitalPulse, Inc, was a leader in production of multimedia in Korea. It was also a leader in Media Software. I designed and implemented some Image processing in C/C++. My team implemented a DVR, Image Editing System, and Adrenalin Player that was the best Media Player. We supplied a Auto-Broadcasting System to EBS(Korea Educational Broadcasting System), and so many local cable TV station. I had a joint project with Nowcom., Inc(Now afreecatv.com). I also improved and fixed some bug on the ffmpeg project that was a scaler function, a color conversion, a sort of media codec, and media library. I have experienced to learn development tools, SVN and etc, and the open source development process as well.

Seoul, South Korea

Seoul

KIST is a premier multidisciplinary research institute in Korea. KIST is to research, develop, and transfer creative, original technologies that are necessary to advance our nation's science and technology base. I made a GUI tool and a controlling function of the 4-legged walking robot in C, which is 2d rendering of 4-legged robot image. I had a chance to learn a I/O control and robot system concepts.

Education record

Phd Student

Master Of Science - Ms

Bachelor Of Science - Bs