Jaxon Seo

Jaxon Seo · Product Engineer

Building technology around people.

I build web and mobile products, from the interface people use to the systems behind it.

My work spans frontend, backend and AI integration. I turn ideas into working products, then keep improving them after launch.

Experience

Covalent Collective

Product Engineer

Jan 2026–Present

Co-developed ideas with colleagues, then designed, built, deployed and operated two products serving 100+ paying users combined.

66days · Social journaling

Designed and shipped a journaling platform that turns shared writing into QR-accessed digital exhibits, helping people connect through in-person conversations.

Implemented the frontend, backend and a Discord AI agent for questions, editing and text generation from shared journal entries.

0.066 · AI speed-dating experience

Designed, built and operated an AI speed-dating experience with about 50 cumulative participants across events.

Added live transcripts so participants could read conversations while recordings uploaded in the background. Integrated speaker diarization and personalized compatibility reports.

Compared model outputs and tracked feature costs, keeping AI cost at approximately $1 per event.

Tissue Office

Software Engineer

Mar 2025–Oct 2025

Implemented all React Native and Expo app screens for PACBLE, an AI running coach that uses personal running and health data to adjust training plans and provide feedback.

Worked with designers, engineers and product managers, sharing user insights and carrying design intent through to the finished mobile experience.

CLIKA Inc.

Business Development Manager

Sep 2023–Mar 2024

Built sales pipelines and shaped business strategies to support commercial growth and government funding applications (TIPS, Startup Super Gap).

Software Engineer

Nov 2021–Sep 2023

Developed the React and Next.js platform and corporate site for an AI model-compression SaaS with design and business teams.

Samsung S-1 Corporation

Security Systems Engineer

Feb 2017–Apr 2018
Dec 2019–Feb 2021

Installed and maintained physical security systems and managed project costs and subcontractors through ERP.

Skills

Engineering

  • TypeScript
  • JavaScript
  • Python
  • SQL
  • React
  • Next.js
  • React Native
  • Expo
  • Node.js
  • Supabase
  • PostgreSQL
  • HTML/CSS
  • AI integrations
  • OpenRouter
  • PostHog
  • Git
  • Automated testing
  • Claude Code
  • Codex
  • GitHub Copilot

Product & Design

  • UI/UX design
  • User flows
  • Interaction design
  • Design-to-code implementation
  • Cross-functional collaboration

Education

Hongik University

B.A., Design & Business

2023–2025

Chosun University

Coursework · ICT Engineering

2020–2022

Contact

LinkedIn