Immensus
Jun 2026 – PresentHead of Engineering (Full-time)
Leading development of Underpin, a SaaS platform for enterprise AI transformation (AX).
Product & Frontend Engineer
Seungmok Han
Seoul, South Korea
Interested in building products with AI agents and making human-AI interaction more efficient. Experienced in conventional software development with tools like Figma and Jira, as well as AI-native workflows.
For work:
- AI-native development methods
- HAI (Human-AI Interaction)
- UI/UX design
For hobbies:
- Anime and gaming enthusiast
- Poker player
- Amateur drummer
Experience
DirectorLabs
Mar 2026 – May 2026Product & Frontend Engineer (Intern)
Worked on product and frontend development for an agent platform for visual creators. Learned how a technology startup develops products, the fundamentals of system design, and key considerations when building products with AI agents.
Gigalkon
Sep 2025 – Feb 2026Frontend Engineer (Full-time)
Seoul
Led frontend development from the early stages of an ERP system for private academies. Selected the technology stack, designed the architecture, and implemented core features. Explored ways to improve the development environment using AI coding agents and MCP.
ReactNext.jsZustandTypeScriptEmotionClaude CodeCodex
DeepLeHR
Mar 2020 – Jan 2025Co-Founder / CTO (Full-time)
Seoul
Co-founded DeepLeHR and managed the development team as CTO, leading frontend development throughout the entire process from initial MVP to service launch and maintenance. Focused on enhancing user experience and building scalable systems, contributing to HR solution development.
ReactNext.jsZustandTypeScriptAWSExpress.js
W Concept Korea
Jun 2019 – Sep 2019Strategic Planning Intern
Seoul, Gangnam
Participated in the Strategic Planning Department through POSTECH's Summer Internship Program (SES). Conducted various data analysis and market research tasks, contributing to strategy development.
Education
POSTECH (Pohang University of Science and Technology)
Feb 2017 – Jun 2025B.S. in Computer Science and IT Convergence Engineering
GPA: 3.32
Rhode Island School of Design (RISD)
Jun 2017 – Aug 2017Exchange Student (Summer)
UC Berkeley
Sep 2017 – Dec 2017Exchange Student (Fall)
Gyeongnam Science High School
Mar 2015 – Feb 2017Projects
Credittalk Application Development
May 2025 – Sep 2025Korea Financial Consumers Union & KAIST
Handled full development and deployment of Credittalk, a voice phishing prevention application, as a freelance project.
MonoTouch
Feb 2020 – Jun 2020POSTECH
Developed in the Creative Design course for IT Convergence Engineering major. A smartphone accessibility app enabling one-handed operation, built using Java.
Sensing the City : Arduino
Jun 2017 – Aug 2017Rhode Island School of Design
Final project as RISD exchange student. Responsible for product design and Arduino software development.
Smart Cane for Visually Impaired
Mar 2015 – Sep 2016Gyeongnam Science High School
High school R&E program project. Responsible for product design, Arduino software development, and presentation.
Awards & Honors
World Quant Championship 5th Place
Jul 2025World Quant
5th Place in World Quant IQC National Championship
POSTECH Hackathon 3rd Place
Oct 2018POSTECH PoApper
3rd Place in POSTECH PoApper Hackathon
ISEF Alumnus
2017Intel International Science and Engineering Fair
Participated in 2017 Intel ISEF
Languages
English
Advanced (Professional proficiency)
TOEFL: 106 (2018)
Chinese
Intermediate (Limited working proficiency)
HSK: Level 6 (2013)
Get in Touch
Contact
Open to discussing new projects or collaboration opportunities. Feel free to reach out.