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Cheng-Han Lin

Cheng-Han Lin (Steven)

Cloud Architect & AI Solution Developer

MS in Computer Science with research in Information Security and Image Processing. Specializing in Generative AI applications and Cloud solution architecture. Successfully delivered enterprise-grade, scalable AI solutions leveraging Multi-Agent Systems, RAG frameworks, and AWS/GCP cloud services. Experienced in BI implementation and data visualization, transforming enterprise data into strategic insights to drive informed decision-making. Holding international certifications from NVIDIA, AWS, and Google Cloud, and recognized as an AWS Community Builder (AI Engineering), with notable results in multiple hackathons and national competitions. Proven track record in leading technical teams and driving digital transformation.

Professional Experience

Data Engineer & Executive Assistant

BETO ENG. & MKTG., CO., LTD.Part-time

Sep 2023 – Dec 2024
TableauAlteryxBIETLSAPPython
  • Collaborated on enterprise BI implementation, focusing on Tableau reporting and data visualization for 50+ users
  • Developed 10+ interactive reports and dashboards (sales analytics, financial KPIs) for business, finance, GM, and VP, reducing report prep time by 40%
  • Designed executive dashboards enabling C-level and senior staff to master data insights and uncover business value, improving efficiency by 30%
  • Maintained ETL pipelines with Alteryx, processing SAP data for real-time business intelligence
  • Attended 20+ tech conferences (AWS Summit, Google DevFest, COMPUTEX) for trend research in 2024
Software Engineer

BETO ENG. & MKTG., CO., LTD.

Jan 2023 – Sep 2023
PythonC#React JSSQLDockerCI/CD
  • Delivered internal solutions replacing external consulting services, saving over 500K TWD in development costs
  • Built attendance analytics for 500+ employees, cutting HR report time from 60min to instant (6hr/week saved)
  • Developed inventory sync system managing 30+ SKUs and 20 warehouse staff, reducing manual workload by 25%
  • Containerized microservices with Docker & CI/CD, improving stability 40% and troubleshooting 75% faster

Education

M.S. in Computer Science and Information Engineering

National Taichung University of Science and Technology

Thesis: Optimized Two-Dimensional Histogram-Based Reversible Data Hiding for JPEG

Image ProcessingReversible Data HidingInformation SecurityAI/MLGenerative AI
2023 – 2025

B.S. in Computer Science and Information Engineering

National Taichung University of Science and Technology

GPA 3.83/4.0Rank 3/55 (Top 5%)Honor StudentEarly Graduation
2019 – 2023

Featured Projects

Gogoro Smart Scooter Wizard🥇 1st Place

AIWave: Taiwan Generative AI Applications Hackathon 2024 (Gogoro)

LangChainRAGAgentAWSOpenSearchETLDockerCI/CD
  • Designed Multi-Agent ReAct architecture supporting 12 electric vehicle models
  • Built RAG system processing 800+ pages of technical manuals with vector search
  • AWS cloud deployment: S3 + Bedrock + OpenSearch
  • Delivered complete solution in 30-hour marathon
AI Smart Sales AssistantFinalist

Eastern Media Shopping TV Network

TEN-AgentDify.aiAgentBedrockAWS
  • 3-tier AI: Coach → Sales → Evaluation Agent
  • Integrated 100+ customer attributes for real-time personalized recommendations
  • AWS Bedrock + Transcribe + Polly Voice AI stack
  • Led 5-person team to complete prototype and gain business approval

Projects

BETO Digital Hub

Next.jsSAPZustandOnlyOffice
  • Integrated SAP/BI data, eliminating data silos
  • Supports multi-dimensional filtering and side-by-side comparative analysis

Splitpush E-commerce Platform

PHPDockerAlipayAliyun
  • Led 4-person team to deliver complete e-commerce platform
  • Docker CI/CD pipeline reduced deployment time by 60%

FanBar - Image Translator

ReactPythonPyTorchLLM
  • AI-powered manga/image translation platform
  • CTD + OCR + LLM pipeline with LAMA inpainting

TripFan - AI Travel Assistant

Next.jsGeminiCapacitorZustand
  • AI product recognition + menu translation features
  • Cross-platform (Web/iOS) with dynamic theming

Awards & Certifications

Competition Awards
4th Place

55th National Skills Competition

Ministry of Labor

Cloud Computing Category, 2025

1st Place

55th Regional Skills Competition Youth Division

Ministry of Labor

Cloud Computing Category, 2025

1st Place

AIWave | Taiwan Generative AI Application Hackathon

DIGITIMES

Gogoro Smart Mobility Category, 2024

1st Place

2022 ITSA Programming Geek Contest

Ministry of Education

Information Systems & Web Application Division, 2022

Merit

Taichung City Honors Student Award

Taichung City Government

Outstanding Academic Performance, 2023

Professional Certifications
NVIDIA

Accelerated Data Science - Professional

2026

NVIDIA

Generative AI Agents Contest

2024 • with LangChain

AWS

Machine Learning Engineer – Associate

2025 • Early Adopter

AWS

Data Engineer – Associate

2024

Google

Gemini Certified Educator

2025

Google

Google Cloud Digital Talent Program

2024

Publications

Lin, C. H., & Hong, W. (2025). Adaptive reversible data hiding in JPEG images via pairwise nonzero AC expansion and frequency sorting.

ICASI 2025, IET Digital Library

Zhou, X., Hong, W., Chen, T. S., Yang, G., & Lin, C. H. (2024). An authentication scheme for color images with grayscale invariance and recoverability.

Journal of Information Security and Applications

Community Involvement

AWS User Group Taiwan
  • AWS Community Builder (2026)
  • Tech Talk: Shared "Multi-Agent RAG System Implementation" at May 2024 Meetup
  • Volunteer: AWS Community Day (2023-2025), AWS Summit (2024-2025)
  • Session Host: AWS Community Day 2025

Technical Skills

Languages

PythonTypeScriptC++C#PHPJava

AI / ML

PyTorchLangChainRAGAgenticTensorFlow

Cloud & DevOps

AWSGCPDockerKubernetesCI/CD

Data & Frontend

TableauAlteryxPostgreSQLReact JSNext.js