Senior Backend Engineer, Forge

Seoul, South Korea · Engineering · AI

Company: Video models turn footage into data that people and agents can find and use.
Role: Build APIs, identity, organizations and billing for the Forge developer platform.

What you will do

We rewrote the responsibilities and qualifications in plain language instead of copying the original posting.

Define APIs and backend designs with product and frontend teams and lead implementation.
Build identity, accounts, organizations, permissions, billing, metering and limits.
Develop video upload/management and model APIs while preserving customer integration compatibility.
Resolve traffic and data bottlenecks through database, asynchronous-processing and service-architecture improvements.
Own testing, delivery, monitoring and incident response to improve security and reliability.

5+ years in backend engineering and leadership of technical decisions/projects in fast-changing environments.
Deep Go, Java/Kotlin or comparable backend skills and production-system design and operations.
Relational-database knowledge and complex query optimization. Hybrid in Seoul; eligible for overseas travel; three-month probation at 100% salary.
Event-driven distributed systems using Kafka, SQS or similar.
Large cloud-native systems on Kubernetes/AWS with architecture ownership for scalability, reliability and operational efficiency.
Implementation of complex business requirements in OAuth/SSO, billing, organizations or related platform domains.

Enterprise B2B SaaS/multitenancy platform-domain experience.
Deep practical Go experience.
AI/ML or data-pipeline integration; video processing interest, FFmpeg or AWS Media Services.
CI/CD, monitoring and observability tools such as Prometheus/Grafana.

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Checked 2026-10-17

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