Professional Summary

AI Solutions Architect and Technical Founder with 4+ years building and scaling GenAI applications from ideation to production. Founded HoverNotes (AI SaaS, $0→$1.1K MRR in 4 months) and led AI transformation at 50K+ MAU EdTech platform. Deep expertise in LLM application architecture, Python, JavaScript/TypeScript, and OpenAI API, with proven track record guiding teams through rapid prototyping, deployment, and scaling. Bilingual technical thought partner (Korean TOPIK 5, English TOEFL 111) who translates complex AI capabilities into high-impact business solutions. Award-winning engineer with startup DNA and passion for pushing the frontier of what’s possible with AI.

Core Competencies

AI/LLM Engineering: OpenAI API (GPT-4, Whisper), LangChain, LangGraph Multi-Agent Systems, RAG Architecture, Vector Embeddings (Pinecone), Prompt Engineering, Model Optimization

Technical Leadership: Solutions Architecture, Technical Advisory, Prototype Development, Customer Success Engineering, Developer Relations, Knowledge Sharing & Documentation

Languages & Frameworks: Python (FastAPI, Django), JavaScript/TypeScript (Node.js, React, Next.js), C++, SQL

Cloud & Infrastructure: AWS (Lambda, ECS, S3, EC2, EventBridge), Docker, Serverless Architecture, CI/CD, Real-time Processing

Startup Experience: 0→1 Product Development, Founder & Founding Engineer, Rapid Scaling, Business Development, Go-to-Market Strategy

Communication: Korean (Fluent - TOPIK 5), English (Native-level - TOEFL 111, IELTS 7.5)

PROFESSIONAL EXPERIENCE

Technical Founder & CEO

HoverNotes (AI Video Note-Taking SaaS) | Remote, United States | Jul 2025 - Present

Built and scaled privacy-first AI video note-taking platform from concept to $1.1K MRR in 4 months

• Founder & Solutions Architect: Drove end-to-end product strategy, technical architecture, and go-to-market execution for AI-powered SaaS serving global user base across 45+ languages
• AI/LLM Platform Engineering: Architected multi-modal AI pipeline using OpenAI GPT-4 and Whisper APIs with LangGraph reasoning agents for real-time streaming note generation from video content
• Rapid Prototyping → Production: Built three-tier full-stack system (Chrome Extension + Next.js 15 Web App + Python FastAPI AI Backend) demonstrating ability to move quickly from ideation to scalable deployment
• Technical Innovation: Engineered universal video compatibility across YouTube, Udemy, LinkedIn Learning, and all major platforms through advanced detection and processing algorithms
• Customer-Centric Architecture: Designed privacy-first, local-processing architecture with direct Obsidian integration based on deep understanding of user needs and market positioning
• Global Scaling: Implemented 45+ language localization with culturally-adapted AI content generation, demonstrating ability to scale solutions for diverse markets
• Tech Stack: Python, FastAPI, LangChain, LangGraph, OpenAI API (GPT-4, Whisper), Next.js 15, TypeScript, PostgreSQL, AWS (EC2, Lambda, S3), Docker

AI Engineer & Team Lead (Level 4) | Technical Thought Partner

Bebridge Inc. (Slid - EdTech Platform, 50K+ MAU) | Seoul, South Korea | Jan 2024 - Jun 2025

Led AI transformation as internal Solutions Architect, guiding product and engineering teams through GenAI integration

• AI Solutions Architecture: Served as technical thought partner to leadership, architecting end-to-end LLM-powered features that transformed Slid into industry-leading AI educational platform with 50K+ monthly active users
• Business Impact Focus: Drove measurable outcomes through AI - 40% mobile retention increase, 25% overall retention boost, 12% video engagement lift - by identifying high-value use cases and rapidly deploying solutions
• Pioneering AI Auto-Notes: Built first-to-market LLM/Whisper-based automatic note generation from video lectures, moving from prototype to production in weeks and establishing new product category
• Mobile AI Innovation: Spearheaded React Native iOS/Android app launch with novel server-side video processing (AWS Lambda + FFmpeg), overcoming platform constraints to deliver seamless AI features at scale
• Cost Optimization & Efficiency: Achieved 60% API cost reduction through intelligent buffering, multi-provider optimization, and architectural improvements - critical for sustainable AI deployment
• Advanced Agent Systems: Designed and deployed LangGraph multi-agent pipeline with custom reasoning tools for transcript correction and content quality enhancement
• Technical Problem-Solving: Reverse-engineered YouTube video delivery protocols for direct URL access, enabling mobile-first AI processing at scale
• Tech Stack: Python, FastAPI, OpenAI API, Whisper API, AWS Lambda, EventBridge, S3, LangGraph, React Native, FFmpeg

Senior Software Engineer (Level 3) - R&D & AI Innovation

Bebridge Inc. | Seoul, South Korea | Jun 2023 - Dec 2023

Drove R&D initiatives as technical lead, building industry-first AI features and sharing knowledge across organization

• Industry-First AI Chat: Built conversational AI interface for educational notes before Notion AI launch, using LangChain and Pinecone vector DB with streaming responses - demonstrating ability to identify and execute on cutting-edge use cases
• RAG Architecture Pioneer: Implemented semantic search using Retrieval-Augmented Generation, increasing user session duration by 25% through improved content discovery
• Scalable AI Infrastructure: Built event-driven cloud engine for LLM video summarization achieving 1,500 MAU and 25% weekly retention with 40% cost reduction through intelligent caching
• Performance Engineering: Improved summarization speed by 66% via parallel processing and architectural optimization
• Developer Advocacy & Knowledge Sharing: Contributed to LangChain, Vercel AI SDK, and Quivr open-source projects, embodying culture of sharing learnings with broader community
• Cross-Functional Impact: Built universal export system (Word, PDF, Markdown, Notion) with 96% accuracy, reducing customer support burden by 75%
• Recognition: Awarded Hero Award 2023 for exceptional contributions; promoted to Level 4 AI Engineer & Team Lead

Full Stack Engineer (Level 2) | Founding Team Member

Bebridge Inc. | Seoul, South Korea | Jun 2022 - May 2023

Joined as early engineer (#5), scaling product from early prototype to production platform with thousands of users

• Real-Time AI Integration: Pioneered WebRTC → Socket.io → Google Cloud Speech STT pipeline for live transcription, increasing premium subscriptions by 51% through novel feature deployment
• Developer Community Impact: Published technical solutions that helped 5,000+ developers implement WebRTC/STT systems, demonstrating ability to share knowledge and build developer relations
• AI Cost Optimization Journey: Drove 90% transcription cost reduction through strategic provider evolution (Whisper → Google Cloud → Groq), proving ability to balance performance and economics
• Cross-Platform Solutions Architecture: Designed unified authentication system using AWS Cognito across Web, Chrome Extension, React Native Mobile, and Desktop - solving complex multi-platform challenges
• Payment Systems & Business Enablement: Built Stripe + Payple multi-gateway integration with 35% checkout improvement and 98%+ success rate, directly impacting revenue
• High-Velocity Engineering: Contributed 200+ commits across React Web App, React Native Mobile, Electron Desktop, and Chrome Extension, demonstrating ownership and throughput
• Performance Optimization: Reduced application load time by 57% through lazy loading and systematic optimization
• Open Source Contributions: Contributed to EditorJS and Redux Toolkit
• Recognition: Awarded Hero Award 2022; promoted to Level 3 Senior Engineer

Senior Full Stack Engineer (Consultancy → Freelance)

GoGymi (EdTech SaaS Platform) | Remote, Switzerland | Jan 2025 - Sep 2025

Delivered complete EdTech SaaS platform as technical consultant, managing full product lifecycle independently

• End-to-End Product Delivery: Led full-stack development of TexTutor AI-powered educational platform for Swiss teachers and students, handling requirements gathering, architecture, implementation, and deployment
• Modern Tech Stack Expertise: Built production platform using Next.js 15, React 19, PostgreSQL, TypeScript with comprehensive responsive design
• Monetization & Business Systems: Implemented complete Stripe subscription system with multi-tier plans, free trials, and automated workflows
• Global Product Development: Delivered internationalization supporting 5 languages (EN/DE/ES/FR/IT) with localized billing and culturally-appropriate UX
• Collaborative Features: Integrated Lexical editor with LiveBlocks for real-time collaboration and PDF export capabilities
• Tech Stack: Next.js 15, React 19, TypeScript, PostgreSQL, Drizzle ORM, Stripe, Supabase, Tailwind CSS, Docker

EDUCATION

Bachelor of Science in Electrical and Electronics Engineering

Korea University, Seoul | March 2019 - February 2023 | GPA: 4.02/4.5 (Magna Cum Laude)

• AI Research Publication: “Responsible Music Genre Classification using Interpretable Model-agnostic Visual Explainers” - Springer Nature Computer Science Journal (4th ICDSA 2023)
• Scholarships: Global Korea Scholarship (2018-2023), Ugandan Government Scholarship (2017)

AWARDS & RECOGNITION

• Bebridge-Slid Hero Award (2 consecutive years: 2022, 2023) - Top performer company-wide for exceptional technical and business impact
• Rapid Career Progression: Level 2 → Level 3 (2022) → Level 4 AI Team Lead (2023) in 18 months based on demonstrated technical leadership and delivery
• Korea University Academic Excellence Award (July 2020)
• Korea University Dean’s List (3 semesters: 2019-2020)

OPEN SOURCE CONTRIBUTIONS & DEVELOPER COMMUNITY

Active contributor to AI/LLM ecosystem, demonstrating commitment to knowledge sharing and community building

• LangChain (118K ⭐) - Leading framework for LLM applications
• Vercel AI SDK (18.7K ⭐) - AI-powered streaming UIs for JavaScript/TypeScript
• MemGPT (18.9K ⭐) - LLM agents with long-term memory systems
• Agno (19K+ ⭐) - Multi-agent AI framework, runtime and control plane
• FastAPI (84K ⭐) - High-performance Python API framework
• Editor.JS (25.1K ⭐) - Block-style text editor
• Redux Toolkit (11.1K ⭐) - Official Redux toolset
• Pytube (13.5K ⭐) - YouTube video downloading library
• Vexa (1.5K+ ⭐) - Real-time multilingual meeting transcription

Stack Overflow Impact: Solutions have helped 5,000+ developers implement complex technical systems (WebRTC, STT, LLM integration)

TECHNICAL WRITING & KNOWLEDGE SHARING

• Published technical guides on LLM integration, RAG architecture, and AI application development
• Active in developer communities sharing best practices for GenAI deployment
• Experience creating documentation and resources for technical and non-technical audiences

WHY I’M EXCITED ABOUT THIS ROLE

As someone who has lived the startup journey as a founder and early team member, I deeply understand the challenges and opportunities that AI-first startups face. I’ve guided teams from ideation to scale, built industry-first AI features, and translated complex AI capabilities into tangible business outcomes.

What excites me most about OpenAI’s Solutions Architecture role:

1. Startup DNA: My experience founding HoverNotes and joining Bebridge as employee #5 gives me authentic empathy for startup founders and the unique pressures they face
2. Technical Depth + Business Mindset: I’ve consistently delivered measurable business impact (40% retention ↑, 60% cost ↓, $1.1K MRR from zero) alongside technical excellence
3. Bilingual Bridge: As a fluent Korean and English speaker in Seoul, I can serve as a crucial bridge between OpenAI and the thriving Korean startup ecosystem
4. Proven AI/LLM Track Record: Built production AI systems using OpenAI APIs at scale, with deep understanding of RAG, agents, embeddings, and optimization
5. Knowledge Sharing Culture: My open-source contributions and Stack Overflow impact (5K+ developers) demonstrate commitment to elevating the entire community

I’m eager to bring this combination of technical expertise, startup experience, and passion for AI to help OpenAI’s strategic startup customers build the future.

REFERENCES

Junghyun Park

CEO & Founder, BEBRIDGE INC. Seoul, South Korea 📞 +82-10-4710-5607 Direct supervisor during tenure at Bebridge Inc. (Slid platform)

Beelee Chua

Associate Professor, Korea University Seoul, South Korea 📞 +82-10-4196-2689 Academic supervisor and research mentor