Executive Summary
Senior Full-Stack Engineer & Modernization Specialist with 12+ years of experience in the C# .NET Ecosystem.
Designed and developed end-to-end systems, covering upgrades, migrations, and new implementations. Managed the full process from Requirement Gathering, System Analysis & Design to presenting Prototypes.
Executed planning and development for SIT, UAT, Security Testing, and Go-Live. Successfully delivered over 25 projects on both On-premise and Cloud Platforms (Azure, AWS) using Manual and Automated CI/CD. Ready to leverage AI Integration to enhance business value, delivering stable, secure, and scalable solutions.
Technology and Skills
Frontend
Backend
Databases
Architecture
Cloud & DevOps
Auth & Security
SDLC & Tools
Automated Testing & 3rd Party
Professional Experience
Export-Import Bank of Thailand
- Migrated legacy ASP.NET WebForms to a modular architecture using .NET Core 7, implementing Domain-Driven Design (DDD) and CQRS patterns to address EOS/EOL and Security Vulnerability Assessment (VA) requirements.
- Upgraded ETL Workflows (SSIS) from version 2008 to 2022, resolving compatibility issues and optimizing performance.
- Conducted Proof of Concept (PoC) for migrating SSIS workloads to Microsoft Fabric.
- Upgraded Apache and PHP server environments to mitigate security vulnerabilities and ensure compatibility with Laravel and Moodle.
Fujitsu (Thailand)
- Upgraded legacy systems and developed new solutions for Mizuho Bank to comply with ISO 20022 standards, following SA specifications.
- Delivered weekly progress reports and status updates to the Project Manager.
HUA SENG HENG
- Designed prototype for an online TFEX account opening system, reducing registration time to 5-8 minutes.
- Automated the import and reporting of daily closing stock prices, replacing manual processes with Line Notify integrations.
Asia Plus Securities
- Led the development of the Staff Disclosure system to reduce paper usage and ensure compliance with SEC regulations. Planned Software Design Patterns and provided team consultation.
- Designed and developed the QR Payment Service for securities deposits and subscriptions.
- Designed and developed APIs for Bitkub API, FX data, and Implied Vol to retrieve values.
Honda Leasing (Thailand)
- Designed and developed the "Contract Closing Control" system, a full-cycle workflow for closing customer vehicle lease contracts, improving speed and reducing errors.
- Modified the existing system to support vendor-provided E-Tax systems.
King Tech Soft
- Developed "Smart Booking System" using QR codes for Muang Boran and Erawan Museums. Handled 200,000+ transactions and integrated POS & E-Tax modules.
- Developed online condo booking deposit system integrated with K-Bank Payment Gateway.
GEC Service (PTT Group Vendor)
- Developed workflow automation systems like PTTEP Smart Procurement and PTT Smart Contract according to SA specifications.
PTT Digital
- Developed "Digital Ask" Microservice and Auth Server for SSO, and improved Risk Assessment & Inventory systems.
GM CORP
- Developed Credit Bureau Automation (CIMB) and foreign currency exchange POS system for Asia Exchange Samrong.
- Designed and developed various internal organizational tools (Payslip, Travel Reimbursement, Time Backward).
Previous Roles (Early Career)
- Thai Textile Industry PCL: Provided computer/network support and developed an automated system for managing computer specification data.
- Siamwebthai: Optimized client websites for Top 10 Google ranking. Developed automated web systems and managed hosting.
Recent Upskilling & Projects
Cloud-Native Architecture
Designed and deployed a highly secure Zero-Trust infrastructure on Azure. Utilized Cloudflare Tunnel with Traefik for automated routing and CI/CD via GitHub Actions & Jenkins. Configured Keycloak (Auth Server) and RabbitMQ.
AI & Microservices Integration
Built an AI Resume platform (VanillaJS, C# .NET Core 8 API). Integrated Azure API Mgmt, PostgreSQL Flexible Server, and VectorDB for AI Resume Assistant (RAG). Secured with Custom OAuth 2.0 and Cloudflare Turnstile with Automated Test Pyramid.
Database Reliability
Designed a High Availability (HA) PostgreSQL cluster with Read Replicas in Docker. Set up Elasticsearch / Kibana as a high-performance Read Model for complex reporting to offload read traffic.
Education & Training
Education
- B.Sc. in Information Technology Southeast Bangkok College, 2015
- Higher Diploma in Information Technology Attawit Commercial College, 2012
- Vocational Certificate in Business Computer Attawit Commercial College, 2010
Certifications
-
Greatfriend Business Development (2015)
- Essential Object-Oriented System Analysis & Design
- Essential OOP and Design Patterns
- Building AngularJS Applications
-
Technical Training Center (2014)
- Querying Microsoft SQL Server 2012
Interactive AI Assistant
Get in Touch
Interested in collaborating, modernizing your systems, or integrating AI? Drop me a line below and I'll get back to you as soon as possible.