Senior Software Engineer, Backend — Seoul Studios (Tinder Seoul)
Core
Design and build scalable, low-latency backend systems powering real-time dating experiences and rapid experiments for Tinder members globally.
Role type
Senior IC backend software engineer
Builds
Scalable backend services, APIs, and real-time features for mobile and web dating applications
Domain
Dating / Social networking / Real-time systems
Deliverable
production ML models | product features
Required skills
Java, Kotlin, Spring, WebFlux, distributed systems, relational databases, NoSQL, Redis, Kafka, Kubernetes, cloud infrastructure (AWS/GCP/Azure), system architecture, code reviews, mentoring
Preferred skills
WebSocket, WebRTC, real-time streaming, high-scale data pipelines, experimentation platforms, 0→1 product building, legacy code modernization, AI tools
Technologies
Java, Kotlin, Spring, WebFlux, Redis, DynamoDB, Kafka, Kubernetes, AWS, GCP, Azure
Responsibilities
Design and operate scalable, low-latency backend services; lead technical architecture of complex systems; enable rapid iteration and A/B testing; ensure service performance and stability under real-world traffic; partner with cross-functional teams to deliver features end-to-end; drive engineering excellence through architecture and code reviews; mentor fellow engineers and contribute to technical direction
Seniority
Senior, hands-on IC with mentorship responsibilities
