김은기 (Eunki Kim)

Amazon Web Service(AWS)

Samsung Gaming Hub(MX)

• Led cloud operations for Galaxy Gaming Hub, establishing performance-based operating standards and refining proactive detection mechanisms to control service interruption risk
• Aligned technical direction for strategic initiatives and long-term programs through stakeholder engagement across engineering teams and executive leadership
• Standardized monitoring and incident response frameworks, institutionalizing proactive response models and improving availability and user experience metrics
• Defined and executed a service stabilization roadmap, expanded automation scope, reduced incident response lead time by 30%, and structured cross-functional operating processes across a 10-member internal and external team

Samsung Big Data Center(DX)

• Led operations of a 30PB-scale Galaxy user log platform, defining stability and scalability standards for enterprise data collection and analytics
• Formalized operating models for the enterprise customer data warehouse and analytics systems, establishing DR strategy and incident response standards to ensure service continuity
• Re-architected data processing and analytics structures, reducing operational complexity and improving key performance metrics
• Defined a data governance and DR advancement roadmap, driving phased architecture standardization, achieving 8% annual cost reduction and 15% improvement in resource efficiency

Samsung Research(SR)

• Defined DR strategy for a 42,000 RPS, 4PB-scale DWH and analytics platform, aligning transition direction toward a Lambda/ECS-based architecture
• Architected multi-GPU HPC infrastructure for Bixby LLM training, establishing performance benchmarks and leading EFA-based validation initiatives
• Formalized integrated operating models for GenAI drift detection, retraining, and DevOps alignment, reducing system downtime by 10%
• Established AI infrastructure modernization strategy and phased migration roadmap, improving LLM training efficiency by 20% and institutionalizing HPC operational standards

Samsung Digital Appliance(DA)

• Established cloud security governance policies and refined control standards, contributing to a 10% reduction in security incidents
• Defined technology adoption strategy for new cloud capabilities, achieving a 10% reduction in service operating costs and improved scalability
• Formalized architecture standardization and documentation frameworks, enhancing reusability and operational efficiency
• Developed security and cost-optimization roadmaps, driving cross-functional alignment, resulting in a 5% annual OPEX reduction and 30% improvement in new project response time

ETC

• Delivered the “SageMaker Fine-Tuning with Experiments” seminar for Samsung Electronics, presenting architectural approaches for scalable model experimentation
• Presented “Fine-Tuning & Evaluation of Foundation Models on SageMaker” to enterprise audiences, outlining adoption strategies and operational best practices
• Contributed to the internal “Generative AI Bootcamp – SageMaker JumpStart,” co-designing curriculum and enabling organizational capability development
• Led the “Generative AI Bootcamp – RAG Essentials: Bedrock & Q in Action” session, outlining RAG architecture patterns and enterprise application models
• Facilitated enterprise Generative AI workshops, providing PoC architecture frameworks and inference design guidance
• Architected an automated cost analytics solution, establishing billing analysis standards and cost optimization baselines for Samsung
• Organized internal AI/ML knowledge sessions, aligning technical standards and strengthening cross-team capability
• Delivered customer-focused GenAI/ML sessions (SageMaker, Model Serving, MLOps), defining PoC architecture direction and operational considerations
• Drove cost-optimization and service simplification architecture initiatives, restructuring operational models to improve efficiency
• Led service risk reviews and DR strategy alignment in collaboration with global leadership, reinforcing proactive risk governance

KB Kookmin Bank

Enterprise-Wide AI Financial Assistant (AICC) MLOps Initiative at KB Financial Group

• Led the group-wide KB Financial AICC MLOps initiative, designing an AWS-based service mesh architecture (EKS, Istio) with integrated traffic control and monitoring frameworks
• Built a deep learning model serving and version management system using Ray Serve and BentoML, automating accuracy, reliability, and performance validation with optimized inference testing
• Conducted stability verification and performance analysis of the model serving framework (Performance Analyzer), and participated in vendor technical evaluations and selection processes
• Optimized the KB-STAR NLP models (NER, morphological analysis, intent classification) and improved the callbot serving architecture, achieving a 30% increase in inference performance and enhanced operational stability
• Established AI assistant service advancement strategy and standardized operational frameworks, strengthening AICC platform scalability and overall service quality
• "은행원 대신 가상인간" 국민은행의 AI 금융비서 실험
• "내 손안의 금융비서" KB국민은행, 모바일 특화 AI 고도화
• KB국민은행 한글 자연어 학습 모델 ‘KB ALBERT’ 개발 및 내재화 추진

KB Financial Group - AI Voicebot Deployment & Strategy Support (TF)

• Participated in the KB Financial Group-wide AI Callbot adoption TF, defining technical strategy and phased implementation roadmap
• Conducted comparative evaluation of chatbot solutions and assessed AI startup collaboration opportunities, contributing to proposal reviews and vendor selection decisions
• Reviewed hybrid cloud-based AICC architecture, incorporating network segregation requirements and defining security and operational efficiency standards
• Led the drafting of the AI Callbot RFP (Requirements Definition Document), overseeing technical evaluations across architecture, security, capacity planning, redundancy, and DR design
• Identified and evaluated generative AI technology partners, supporting in-house AI Callbot development strategy formulation and execution across KB Financial Group
• KB국민은행, 고령층 고객을 위한 ‘콜봇 서비스’ 지원
• AI은행원 고객 접점 늘린다..KB국민은행, 콜봇 서비스 ‘똑똑’ 전진 배치

KB Kookmin Bank – Metaverse Banking Testbed Strategy & Architecture

• Led the planning and development of the KB Financial Metaverse Testbed, designing virtual banking integration scenarios and preparing documentation for financial security and compliance reviews
• Led regulatory response and technical feasibility assessments with the Financial Supervisory Service, supporting policy coordination for new technology adoption
• Designed and developed a real-time user log analysis and storage backend using AWS, Ray, Lambda, and Kubernetes
• Built user behavior-based data pipelines and visualization dashboards (connection rate, event utilization, engagement metrics), contributing to validation and strategic planning of KB’s Metaverse financial channel
• KB국민은행, 로블록스(Roblox)로 ‘메타버스 금융’ 시도
• KB국민은행, 메타버스·디지털자산·금융 접점 찾는다
• KB의 새 메타버스 실험…“현장감 살린 영업점포 구현 중”

Browser-Based Video Consultation Platform Development

• Led the planning and development of a browser-based video consultation POC to enhance remote customer service channels, designing a lightweight architecture using AWS Chime, WebRTC, Docker, and TypeScript
• Integrated AI video processing models based on MSCOCO and BodyPix, utilizing Tensor.js for real-time background removal and rendering optimization
• Established CI/CD pipelines (CodeDeploy, Jenkins), monitoring systems (Grafana, Prometheus), and log collection environments (EFK), defining an automated operations and quality monitoring framework
• Conducted user testing across employees and branch offices and prepared system enhancement reports, achieving a 25% reduction in remote consultation waiting time and improving accessibility
• "어디서든 비대면으로" KB국민은행 "모바일 화상상담 서비스" 확대

KB Kookmin Bank – Corporate Credit Evaluation Automation (Antoc POC)

• Led the planning and development of a corporate credit evaluation automation crawler POC, implementing Python-based modules to collect corporate, credit, patent, and technology data
• Designed Spring Boot-based batch processing for data storage and periodic updates and integrated REST APIs with the Android frontend
• Architected the loan evaluation automation process and validated data pipelines, proposing workflow optimization and next-generation system architecture
• Reduced branch operational workload by enabling over 1,000 annual task reductions and established the technical validation foundation for transitioning to an AI-driven credit evaluation system

KB Kookmin Bank – Remote Account Opening Platform (Mobile Branch)

• Contributed to the Mobile Branch initiative for non-face-to-face financial services, collaborating on the architecture of deposit and savings account issuance systems based on the IB Framework
• Led the integration design of Customer Due Diligence (CDD/EDD) and Anti-Money Laundering (AML) processes, aligning with core banking security policies and regulatory compliance requirements
• Validated OCR integration for resident ID verification and WebRTC-based real-time image capture, contributing to system stabilization during the BMT phase
• Designed an asynchronous architecture to support high transaction volumes, achieving a 40% reduction in service incidents and stabilizing the remote account opening process
• 앱·인증서 없어도 OK! KB국민은행, "모바일브랜치" 출시
• KB국민은행, "KB모바일 브랜치" 신규 가입 이벤트 진행
• 국민은행, 웹기반 "KB모바일브랜치" 출시…공인인증서 없이 상품가입

KB MyStar Consultation Record Analysis POC

• Led a proof-of-concept initiative to automate customer satisfaction evaluation, defining NLP processing frameworks leveraging Konlpy, Mecab, and TensorFlow
• Analyzed 10 years of consultation records across all KB branches, extracting sentiment trends and churn-related insight indicators
• Structured customer satisfaction segmentation and trend analysis models, establishing Dash-based visualization and executive reporting frameworks
• Delivered data-driven marketing strategy recommendations, supporting customer experience enhancement and reinforcing brand trust

KB Digital Seal AI Adoption Feasibility POC

• Led a proof-of-concept initiative for digital seal similarity analysis, validating OpenCV-based techniques (SSIM, SIFT, SURF, ORB) alongside CNN models to assess technical suitability for financial services
• Designed training datasets reflecting seal image characteristics (angle, wear, ink density) and conducted performance validation under real branch operating conditions
• Established cross-functional review frameworks with internal teams and technology partners, achieving 88% recognition accuracy and improved quality consistency
• Directed feasibility assessment and aligned technical roadmaps among partner organizations, forming the foundation for commercial deployment

KB Credit Card Receipt OCR Modernization & Validation POC

• Led a proof-of-concept initiative to enhance OCR accuracy for automating handwritten credit card receipt processing across KB branches, validating Tesseract-based model tuning approaches
• Designed labeled datasets and image preprocessing frameworks, optimizing LSTM parameters to improve handwriting recognition performance
• Defined integration direction with the nationwide branch sales aggregation system, increasing recognition accuracy from 83% to 92%
• Provided a commercialization transition strategy based on model validation outcomes, supporting branch-level workflow automation and operational efficiency improvements

KB Kookmin Bank – Digital Branch Desk Transformation Pilot

• Led the pilot initiative for a pre-document preparation system to reduce branch wait times, defining process architecture and UX structure across KB branches
• Designed tablet-based electronic document workflows and implemented digital signature and encryption capabilities, aligning integration with the existing queue management system
• Achieved a 50% reduction in customer wait times through pilot validation, establishing the foundation for nationwide branch deployment
• KB국민은행, "미리작성 서비스"로 고객 대기시간 단축

NHN Diquest

LG U+ AICC Real-Time Advisor POC

• Developed a real-time chat-based advisor and customer satisfaction scoring system for LG U+ contact centers, designing dialogue analysis and evaluation algorithms
• Architected a 30-channel WebSocket infrastructure with MongoDB message storage and implemented a live monitoring dashboard for agent activity and satisfaction metrics
• Processed post-call transcripts and implemented NLP models for intent classification and response recommendation APIs, with daily batch retraining and real-time inference automation
• Led internal architecture and AI solution training, contributing to the successful acquisition of the full-scale LG U+ AICC project and strengthening technical credibility in enterprise proposals

Korea Student Aid Foundation – IVR Modernization & VOC Analytics System

• Architected a data lake and ingestion pipeline for historical and real-time consultation transcripts, leveraging Sqoop for MariaDB-to-HDFS transfer and Hive-based query environments
• Developed NLP preprocessing pipelines including morphological analysis, NER tagging, sentence segmentation, and tokenization to support advisor recommendation logic
• Designed batch retraining workflows and model version control structures, alongside Hadoop replication and failover validation to ensure operational resilience
• Established foundational capabilities for AICC and STT/TA solution expansion, contributing to financial-sector AI platform contracts and packaged deployment offerings

ML-Based AICC & STT/TA Solution for Lotte Group

• Led development of STT/TA solutions for Lotte affiliates (Lotte Mart, Lotte Duty Free, Lotteria), designing real-time dual-database replication (Master/Slave) and text preprocessing architecture
• Built analytics pipelines to summarize call content, classify consultation types, and extract key phrases from recent call sessions
• Developed AI-driven APIs for similarity scoring, silence detection, sentiment analysis, and complaint clustering, alongside real-time agent monitoring dashboards and RNN-based retraining workflows
• Enabled enterprise TA system adoption across LG, Hanwha, and other clients, expanding STT/TA deployment into financial and regulated industries
• 롯데정보통신, 고객센터 전문 AI 상담 서비스 론칭

D.O Factory

Shinhan Bank Emergency Financial Aid Application System

• Developed backend reservation system for loan screening of financially at-risk customers
• Built scalable infrastructure with Nginx and Tomcat session clustering and load balancing
• Refactored core business logic, reducing API load and improving response performance
• Implemented integrated data lookup UI and automated encrypted file generation with FTP transfer
• Achievements : Eliminated traffic bottlenecks, stabilized system under peak load, delivered urgent Shinhan Bank service on schedule, automated secure data transfer to improve operational efficiency and data integrity

Ministry of the Interior and Safety (MOIS) Data Lake Project

• Migrated and preprocessed 5TB of historical structured and unstructured data, designing distributed storage architecture for HDFS clusters
• Led Sqoop-based RDBMS-to-HDFS migration, optimized Hadoop reducer jobs, and implemented rollback scripts to minimize schema conversion downtime
• Configured Nginx and Tomcat session clustering with load balancing to support zero-downtime deployment
• Designed and developed real-time trending keyword system based on user traffic analytics
• Achievements : Delivered high-availability public-sector data lake infrastructure, ensured stable large-scale migration, and improved user experience through real-time search visibility

Hyundai Motor Company Smart Key Band (Android App)

• Developed native Android application for Hyundai smart key band with BLE-based vehicle pairing and real-time driving data synchronization
• Implemented real-time sensor data collection (heart rate, distance, activity) and built REST API backend for event processing
• Resolved Bluetooth compatibility issues across multiple Android device models, ensuring stable band synchronization
• Designed health data visualization dashboard and implemented API response monitoring tools
• Achievements : Stabilized global BLE-based IoT mobile experience, reduced user churn and support incidents through compatibility optimization and performance tuning

Icheon City Animation Expo Website Development

• Developed backend APIs and data models for event information and reservation system
• Translated client requirements into site architecture and functional design
• Led end-to-end development lifecycle, aligning technical delivery with business objectives
• Achievements : Delivered public-sector project on schedule, incorporated iterative feedback, ensured mobile accessibility and streamlined reservation flow to enhance user engagement

NCS-Based Academic Management System – Kyungmin & Baekje Universities

• Developed student, faculty consultation scheduling system with automated PDF reporting
• Led API documentation and visual testing with Storybook to improve frontend, backend consistency
• Resolved cross-browser issues and enhanced web standards compliance and accessibility
• Achievements : Automated faculty reporting workflows, increased administrative efficiency, and improved usability through operational user feedback

Mobile Website Performance Optimization – Ministry of the Interior

• Refactored legacy code and optimized business logic to improve mobile performance and system efficiency
• Conducted JMeter and nGrinder performance tests (load, endurance, spike, breakpoint) and delivered TPS-based analysis reports
• Achievements : Eliminated performance bottlenecks and validated stability under production-level conditions, meeting public-sector standards

ION Communications

e-Form Online Electronic Contract System Enhancement

• Designed end-to-end online e-contract workflow covering drafting, execution, field mapping, and transmission
• Integrated evolving electronic document regulations to ensure legal compliance and system stability
• Optimized OCR parameters for Korean/English accuracy and developed REST API for automated form classification
• Built ElasticSearch cluster, tuned search queries, and resolved node-level disk imbalance
• Achievements : Delivered first fully online contract platform, onboarded major enterprises, and operated high-volume production traffic

iDrive Electronic Document Management System (EDMS)

• Developed and operated iDrive EDMS covering document lifecycle from creation to disposal
• Customized OCR-based classification for Korean and English contracts, improving multi-font recognition accuracy
• Optimized source code and enhanced NER-based document classification performance
• Supported first cloud-based EDMS deployment, enabling SaaS delivery for international clients
• Achievements : Managed high-volume AWS traffic with cost optimization and secured overseas contracts through stable NLP-powered services

POSCO ICT Smart Grid Demand Forecasting System

• Developed real-time dashboard enabling bi-directional energy data exchange between producers and consumers
• Built energy demand forecasting system modeling seasonal and temporal consumption patterns
• Designed ElasticSearch cluster architecture (nodes, shards) and implemented read-replica-based query distribution
• Developed real-time metric visualization and external REST APIs for system integration
• Achievements : Managed high-volume real-time data processing and visualization, supporting domestic deployment and global smart grid expansion initiatives

Nexusware

LG U+ Uflix Movie Hybrid App Enhancement Project

• Led technical architecture enhancement and structural refactoring of Cordova-based hybrid app
• Implemented CI/CD pipeline with RabbitMQ and Jenkins for automated deployment
• Applied Spring EnCache caching to reduce traffic load and improve scalability
• Strengthened deployment automation and improved service stability under peak traffic

KT Telecop System Enhancement Project

• Extended ERP functionality using Spring and MyPlatform, including legacy refactoring and performance optimization
• Developed RESTful APIs for monitoring service integration
• Improved system stability and established scalable, modular architecture for enhanced operational efficiency

PNS Groupware Development and Maintenance

• Served as Project Manager leading new groupware implementation and feature enhancements
• Improved business logic and maintained system through ongoing refactoring
• Reduced legacy codebase and gradually introduced TDD practices to improve code quality and maintainability

Samsung Electronics Org Chart Automation Module

• Developed backend batch services to automate synchronization of organizational hierarchy and employee records
• Implemented automated integration to propagate org and HR updates to internal messaging platforms
• Reduced manual maintenance effort and improved data consistency across enterprise systems

KISTEP (Korea Institute of S&T Evaluation and Planning) - Groupware System Enhancement & Infrastructure Setup

• Enhanced groupware features and developed scheduling module based on user requirements
• Designed rule-driven components supporting configurable data input and processing
• Deployed Linux and Nginx-based reverse proxy infrastructure, improving system stability and scalability

Incheon City Bus Real-Time Monitoring System

• Developed real-time web interface for city bus location visualization
• Implemented bus location markers using Flash ActionScript
• Built backend synchronization logic integrating live transport control APIs for real-time data consistency

Informatization Village Data Architecture Analysis & Design (Ministry of the Interior)

• Performed system-wide analysis and design for integrated and distributed data architecture
• Standardized data models and normalization framework for scalable enterprise-wide adoption
• Established consistent data governance structure enabling scalable and maintainable system expansion

Ministry of Government Legislation - CI/CD Environment Setup

• Implemented CI/CD pipelines for test, staging, and production using Jenkins-based build automation
• Standardized deployment workflow and improved release stability and operational efficiency

Happy 3PM

Developed and maintained JSP- and PHP-based web services

• Built and managed the Seoul Association of the Disabled website, overseeing ongoing operations and maintenance
• Enhanced PHP/WordPress-based e-commerce platforms, including feature improvements and administrative interface development
• Configured and managed Linux/Apache server environments, maintaining operational automation scripts

HiMedia Academy

HiMedia Academy – IT Instructor (Freelancer)

• Designed and delivered NCS-based IT training programs, including curriculum development and course planning
• Taught OA, web programming, and Flash/ActionScript courses across multiple campuses (Shinchon, Nowon, Suwon)
• Conducted evening and weekend classes with a focus on hands-on, job-oriented practical instruction
• Supported program operations and student project guidance to enhance applied technical competencies