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About the Role

We are seeking a Sr. Lead Engineer (Full Stack Developer) to own end-to-end system delivery, from architecture and data modeling through to production deployment, scaling, and long-term operation. This role involves defining and evolving the core platform architecture, ensuring scalability, performance, and maintainability across a distributed AI system, and leading AI inference optimization and latency reduction efforts.

Responsibilities

Own end-to-end system delivery, from architecture and data modeling through to production deployment, scaling, and long-term operation
Define and evolve the core platform architecture, ensuring scalability, performance, and maintainability across a distributed AI system
Refactor and reshape critical parts of the stack where needed to meet production-grade standards and scale requirements
Set and enforce engineering standards, leading code reviews and driving technical excellence across the team
Lead AI inference optimization and latency reduction efforts, ensuring high-performance, real-time user experiences across AI-driven services

Requirements

7+ years of software engineering experience, with full lifecycle ownership (architecture, development, deployment, production operations)
Strong proficiency in Python (Flask, FastAPI, or Litestar) and backend development
Experience with cloud platforms (AWS, GCP, or Azure), Docker, and production system deployment
Strong understanding of distributed systems, client-server architecture, and real-time protocols (WebSockets and/or SSE), including complex integrations across Web, Unity, and AI modules
Experience with databases and data modeling (PostgreSQL, MySQL, MongoDB, Redis, Memcached), including scalable schema design
Exposure to frontend technologies (React, or Svelte, or WebAssembly)
Experience with AI service integration and inference optimization, focusing on latency reduction and performance in production environments
Strong communication skills with ability to lead technical discussions and align engineering decisions across teams

Skills

Python
Flask
FastAPI
Litestar
Backend development
AWS
GCP
Azure
Docker
Distributed systems
Client-server architecture
WebSockets
SSE
Databases
Data modeling
PostgreSQL
MySQL
MongoDB
Redis
Memcached
React
Svelte
WebAssembly
AI service integration
Inference optimization
Latency reduction
Performance optimization
Communication skills

Location

Seoul, South Korea

Work Type

Full Stack Developer

Experience Level

7+ years

Equal Opportunity

All your information will be kept confidential according to EEO guidelines.