Phongsakorn Pakkhemayang (Peach)
Solution Builder · Technical Presale & Consultant
- pongsakorn.work.pit55@gmail.com
- +66 61 993 4949 · LINE pongsakorn4200
- linkedin.com/in/pongsakorn4200
- www.phongsakornpak.dev
- Bangkok, Thailand
Solution builder with six years across system analysis, development, technical leadership and presales. OutSystems Architecture Specialist. I translate business problems into practical architectures, prove them with working PoCs, and lead teams to deliver them.
Experience
Technical Presale & Consultant
Jan 2026 – nowiPassion Co., Ltd.
- Discovery, TOR analysis, architecture and effort estimation for clients across agriculture, logistics, retail, energy, manufacturing and the public sector
- Proposals, demos and proofs of concept, often built before the proposal
- Product Owner of an enterprise AI Portal
OutSystems Technical Lead / Solution Delivery
Jan 2025 – Mar 2026iPassion Co., Ltd.
- Led the full SDLC from requirements to implementation
- Reusable API log component: margin up over 40%, issue resolution down over 60%
- Trainer and mentor for developers, interns and customers
Senior OutSystems Developer / Solution Delivery
Jan 2023 – Dec 2024iPassion Co., Ltd.
- Tech Lead, BA and SA across enterprise projects
- Traditional-to-Reactive modernization
- Agile delivery and partner consulting
System Analyst and Developer
Jul 2020 – Dec 2022Fujikura Electronics (Thailand) Co., Ltd.
- Web, Android and UWP apps with ASP.NET, Xamarin and OutSystems
- .NET Core APIs on Oracle
- Consultant and trainer for OutSystems and IoT projects
Plant Engineer Intern
May – Jul 2019Fujikura Electronics (Thailand) Co., Ltd.
- IoT monitor for earth-leakage current on SMT machine panels
Selected work
- Field Inspector · Agriculture · seed R&D — Model refinement raised precision from 0.67 to 0.83 on the evaluation set.
- Sack Detection · Logistics · fumigation services — The lightweight model reached mAP50 0.90 at 3.1 ms per image on the edge device.
- AI Certificate Automation · Logistics · export fumigation — The PoC was working before the proposal was written.
- Integrated Business Operations · Agriculture · palm seedling nursery — A roadmap the client can buy one phase at a time.
- Point of Sale for Herbal Pharmacy · Retail · Thai–Chinese herbal pharmacy chain — One core, configured per branch, for a growing chain.
- Low-code to Pro-code · Manufacturing · agricultural machinery — 3,218 of 3,219 flow nodes recovered; 99.1% ready to code without opening ODC; about 3 seconds per app.
- Employee Expense Platform · Energy — A clear vendor comparison against every AI clause in the TOR, with the cost of each option side by side.
- DocHub Document Control · Industrial company — A working demo for each option, so the client could choose by seeing.
- Data & Impact Platform · Corporate social foundation — Delivery plans and priced options the client could compare line by line.
Skills
- Solutioning: Presales & proposals, TOR analysis, Effort estimation, Solution architecture, PoC building, Client demos
- Platforms: OutSystems 11 & ODC, .NET / ASP.NET / .NET Core, Xamarin.Forms, React & PWA, Node.js, Azure · AWS
- Data & integration: SQL Server, Oracle PL/SQL, PostgreSQL, REST APIs, ERP integration (SAP and others)
- AI: Computer vision (YOLO), Edge AI (Raspberry Pi, Hailo), Document AI & OCR, LLM platforms (Dify, LiteLLM, Langfuse), n8n automation, Claude Code
- Hardware roots: IoT, Node-RED, Arduino & Raspberry Pi, Image processing, PCB design
- People: Tech lead, Business & system analysis, Agile delivery, Training & mentoring
Thai (native) · English (conversational)
Certificates
- Architecture Specialist (OutSystems 11) · OutSystems, Jul 2024
- OutSystems Architecture Fast Track · OutSystems · ITUP, Jun 2024
- Associate Tech Lead (OutSystems 11) · OutSystems, Jul 2023
- Associate Reactive Developer (OutSystems 11) · OutSystems, Dec 2021
- AI Service Deployment on AI for Thai · NECTEC · NSTDA, Aug 2026
- AI Thailand Benchmark Platform · NECTEC · NSTDA, Aug 2026
- The Rising Star Achievement Award · iPassion, Oct 2023
- Introduction to Data Analytics and Big Data · Chula MOOC, Jul 2018
Education
- B.Eng. Electronic and Computer System Engineering · Silpakorn University, Sanam Chandra Palace, 2016 – 2020
Second-class honours · Thesis: Applications of Evolutionary Computation for Deep Learning - Mathematics and Science programme · Phothawatthanasenee School, 2013 – 2015
Academic excellence