Hello, my name is
Chuck Hyun Choi
Solutions engineer bridging customer needs, technical architecture, and scalable SaaS implementation.

Projects
Demo apps paired with product walkthroughs, discovery context, and implementation notes.
Beacon
Beacon helps teams upload company documents, manage workspace access, and ask natural-language questions that return grounded answers with citations from only the documents each user is authorized to access.
- Tenant, role, and department-aware authorization
- Private document upload, parsing, chunking, and search
- AI answers with citations from authorized context only
- Supabase Postgres, Storage, RLS, and pgvector
CourtCraft Orders
CourtCraft Orders gives tennis goods reps a tablet-friendly workflow for refreshing demo master data, creating location-specific orders, capturing buyer signatures, saving completed orders locally, and syncing queued orders when connectivity returns.

- Customer, store, item, and location assignment refresh flow
- Location-aware catalog filtering, cart review, and checkout
- Buyer signature capture with saved checkout history previews
- Offline local storage with queued sync retry when online
Professional Work
Selected projects from my work at Pulmuone and HubSpot, focused on discovery, technical implementation, and turning business needs into scalable systems.
About me
Experience
Skills
Solution Engineering
- Technical Discovery
- Proof of Concept (POC)
- Value Selling
- Enterprise Architecture
- Implementation Strategy
- Cross-functional Collaboration
Integrations & Infrastructure
- REST APIs
- API Integrations
- HTTP(S)
- DNS
- Authentication Flows
- Cloud Architecture
- Enterprise SaaS
Data, Automation & AI
- SQL
- Python
- Data Modeling
- Workflow Automation
- Generative AI (LLMs)
- AI-assisted Development
- Power BI
Customer Enablement
- Technical Onboarding
- Root Cause Analysis
- Stakeholder Alignment
- HubSpot CRM & CMS
- Bilingual Communication (EN/KR)
Web Development
- React
- Next.js
- JavaScript
- TypeScript
- HTML
- CSS
