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SENIOR FULL-STACK ENGINEER

PRODUCT · SEOUL · REMOTE HYBRID · FULL-TIME · 5+ YEARS · TOP OF MARKET — NEGOTIATED INDIVIDUALLY

Own entire product surfaces across Ridicar and Be-jib — from data model to interaction detail, shipped weekly to real users in multiple markets.

INTFRAME is a small senior crew designing, building and operating AI-native products — Ridicar, Be-jib and Velthos — across multiple markets, on our own infrastructure. No layers, no theater: you ship real things to real users, weekly.

  • Own features end-to-end across two live products — schema, API, interface, rollout.
  • Design systems that agents operate as first-class users, not just humans.
  • Drive performance and reliability of production services running across four languages.
  • Raise the engineering bar: code review, testing strategy, observability.
  • 5+ years building and operating production web services.
  • Deep TypeScript — React/Next.js and Node at scale.
  • Strong data modeling and API design; comfortable owning PostgreSQL.
  • A track record of shipping: features delivered to real users, not slide decks.
  • Experience embedding LLM and agent workflows into product.
  • Multi-market or i18n products; SEO-aware engineering.
  • Self-hosted or bare-metal infrastructure experience.
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01
APPLICATION

Resume and links. We read everything ourselves — no parsers.

02
INTRO CALL

30 minutes with the team. Mutual fit, both directions.

03
DEEP-DIVE

A 90-minute technical or portfolio session. Real problems, no puzzles.

04
FOUNDER INTERVIEW

Vision, ownership and how you think.

05
OFFER

Clear terms, fast decision.

THE WHOLE LOOP RUNS INSIDE TWO WEEKS.

TOP-SPEC HARDWARE

Latest M-series MacBook Pro and any peripherals you need.

UNLIMITED AI BUDGET

Frontier-model subscriptions and API credits, no questions asked.

REMOTE-FIRST

Work from anywhere. Seoul HQ when you want it.

FLEXIBLE TIME OFF

Take what you need. We measure output, not hours.

LEARNING & CONFERENCES

Books, courses and conference trips on us.

TOP-OF-MARKET COMP

Senior people, senior compensation. Reviewed yearly.

DROP YOUR RESUME HERE — OR CLICK TO BROWSE (PDF, MAX 10MB)

SENIOR FULL-STACK ENGINEER — Careers — INTFRAME®