Software Engineer, Backend - 서비스 코어 (Identity Service)

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SEOULPosted today

Apply on Daangn's career page

Market pay check

Matched to Computer systems and software professionals

Source: Ministry of Employment and Labor wage information system (wage.go.kr), wage distribution by occupation.

What you'd do

Design and operate high-availability authentication architecture for 21 million MAU scale
Design and improve signup,login,and authentication flows for seamless user experience
Define and improve core conversion metrics such as registration conversion rate

What they want

Strong understanding of RESTful API,gRPC,and scalable interface design
Knowledge of distributed processing systems and microservice architecture
Self-directed with strong communication skills and fast execution ability

Nice to have

Experience designing and operating authentication systems based on OAuth 2.0 or OIDC
3 or more years of backend development experience
Experience with large-scale data storage systems

Seoulstart's read

Visa tier (likely): E-7 specialty / professional (likely)
Korean language: Native Korean fluency required
English friendliness: Low: Korean-language workplace
Context: Identity service backend roles at major Korean platforms handle authentication at tens of millions of MAU scale,requiring expertise in high-availability distributed systems

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.

Open posting