Seoulstart's read

Visa tier (likely)

E-7 specialty / professional (likely)

Korean language

Business-level Korean required

English friendliness

Medium: English JD, mixed-language workplace

Context

Upstage is a well-funded Korean AI startup focused on sovereign AI for government; expect strong Korean language requirement for customer-facing technical support despite English-language JD,and likely E-7 sponsorship pathway for qualified engineers.

This is Seoulstart's analysis of the public job description, not the employer's stated policy. Verify visa sponsorship, language requirements, and remote allowances directly with the recruiter.