Software Developer • Full Stack • AI/Computer Vision
PhasuwutChunnapiya
Full Stack Developer and AI Engineer with hands-on delivery experience across enterprise websites, commerce platforms, marketing systems, and intelligent applications. I focus on shipping production-ready products end to end, from frontend architecture and backend APIs to deployment automation and AI-powered features.
Pak Kret, Nonthaburi, ThailandAI + Full Stack Engineering
Education
M.Sc. Computer Science, KMUTNB (2021-2024)
B.Sc. Computer Science, KMUTNB (2016-2019)
Location
Pak Kret, Nonthaburi, Thailand
Open for remote-friendly collaboration
Technical Stack
Featured capabilities that best represent current delivery strengths.
Framework Frontend
React.jsNext.jsViteLaravelTailwind CSSAnt DesignMantineMaterial-UI (MUI)BootstrapReact Native
Framework Backend
Nest.jsNode.jsExpress.jsFastAPILaravelLoopBack 4
DevOps
AWS (EC2)DigitalOcean (Droplet)AWS (S3)CloudflareNginxJenkinsDockerHerokuPM2
Work Experience
Key roles and selected delivery tracks from recent career highlights.
TechFlow Solution Co., Ltd.Apr 2025 - Present
Full Stack Developer
Built production-grade web platforms and enterprise services with strong focus on marketplace workflows, microservice-style backend APIs, and scalable frontend architecture.
E-commerce Marketplace Platform
Multi-vendor commerce platform for buyers, sellers, and admin operations.
Next.jsNestJSTypeORMAnt DesignBootstrap 5Tailwind CSSCloudflareGoogle Maps API
- Built core marketplace capabilities across buyer, seller, and admin domains, including onboarding, KYC, RBAC, storefront routing, and product lifecycle workflows.
Media Service (File Management API)
Centralized file management service for internal systems including image processing and secure delivery.
Node.jsTypeScriptHonoAWS S3SharpPrismaPostgreSQLZod
- Developed a shared media API platform with secure S3 delivery, image transformation pipelines, and production-grade API standards for internal service integration.
Ogilvy & MatherJul 2021 - Apr 2025
Software Developer
Delivered full stack solutions for multi-industry clients including real estate, automotive, insurance, banking, campaign, and branded digital experiences.
Real Estate Industry Client
Large-scale responsive website and APIs with mapping, tracking, and compliance.
Next.jsNode.jsLoopBackGoogle MapsGA3GA4UTM
- Owned end-to-end delivery of a large real estate platform with map visualization, multilingual UX, analytics instrumentation, and privacy-compliant lead workflows.
Automotive Industry (China)
Model campaign websites and chatbot ecosystem for test-drive and promotion flows.
Next.jsLaravelBootstrapTailwind CSSDialogflowLINE Messaging APIFacebook Messenger API
- Delivered multiple model campaign sites and conversational channels that improved test-drive conversion through API-driven pages and chatbot-enabled customer journeys.
Adesso Technology Co., Ltd.Jul 2020 - Jul 2021
Full Stack Developer
Developed scalable media and commerce platforms with API-focused architecture and responsive UX.
Video Streaming Platform
Streaming web platform with authentication, browse, and subscription journeys.
React.jsNode.jsExpress.jsGraphQLSequelizeBootstrap
- Developed core streaming product journeys from authentication to subscription, with responsive UX and GraphQL-backed data delivery for content consumption flows.
E-commerce Book Platform
Commerce website with product catalog and account workflows.
Next.jsNode.jsExpress.jsSequelizeMaterial-UI
- Implemented foundational e-commerce capabilities across catalog browsing, user authentication, and API-driven product interactions to support reliable online transactions.
Highlighted Projects
Selected flagship projects across AI, full stack systems, and engineering operations.
Electric Vehicle Charger Socket Detection
Master DegreeMachine learning pipeline for EV charger socket type detection in Thailand.
PythonPyTorchYOLOv5YOLOv6YOLOv7YOLOv8OpenCVAlbumentations
- Prepared and trained multiple YOLO generations for comparative performance.
- Built evaluation workflow for detection quality and inference speed tradeoff.
Blockchain-based Lottery Trading Platform
Master DegreeDecentralized lottery trading platform with smart contract workflow.
JavaScriptReact.jsReduxstyled-componentsBootstrapWeb3SolidityHeroku
- Developed web app + API with smart contract interactions for decentralized operations.
Multilingual Video Understanding and Timeline Intelligence
Personal ProjectEnd-to-end AI video analysis with temporal segmentation, bilingual description, and timeline visualization.
FastAPIOpenCVBLIP-2FLAN-T5NLLB-200ReactTailwind CSS
- Generated segment-level captions and full-video summaries with Thai-English output.
- Delivered structured JSON APIs and interactive timeline interface.
Cross-modal retrieval platform for natural language search over videos and images.
CLIP ViT-B/32FAISSFastAPIReact
- Encoded text, keyframes, and images in a shared embedding space for fast similarity search.
- Implemented Thai-to-English preprocessing to improve embedding quality.
AI Document Question Answering System (RAG + LLM)
Personal ProjectPDF question answering system with retrieval and selectable LLM responses.
LangChainFAISSFastAPIReactGPT-4o-miniGPT-4.1GPT-5
- Implemented chunking, embedding, semantic retrieval, and source-grounded responses.
- Built UI for asking questions and inspecting source references.
Deployment Automation (Jenkins, Docker, Cloudflare, Alerts)
Personal ProjectCI/CD and infra automation stack for reliable deployment and ops visibility.
JenkinsDockerCloudflareDiscordTelegram
- Automated build/test/deploy and DNS updates when server IP changed.
- Sent deploy and incident alerts for success/fail and IP/DNS updates.
Publications
Most recent peer-reviewed publications in computer vision and intelligent automation.
Enhancing automatic electric vehicle charging: a deep learning approach with YOLO and feature extraction techniques
Frontiersin • International Journal • 12 March 2025
Efficient Video Object Detection for EV Charging Plug Type Identification in Real-World Scenarios
IEEE • International Conference • 18 December 2024
Certification
Certification highlights from conference participation and professional coursework.
Certification
20241 credential
- In the 19th International Joint Symposium on Artificial Intelligence and Natural Language Processing15 November 2024Open PDF