Backend Engineer – AI Applications

About the role

Join TikTok's Local Service AI Application team as a Backend Engineer, building intelligent platforms that power smart content generation, personalized shopping assistants, and automated merchant support for millions of users and thousands of merchants.

Key responsibilities

• Design and develop robust, scalable, high‑performance backend systems for AI‑driven products.
• Collaborate with product managers and frontend engineers to ship intelligent features.
• Build APIs, data pipelines, and microservices supporting content generation and operational tools for creators and merchants.
• Optimize reliability, latency, and cost efficiency in a high‑traffic environment.
• Participate in system architecture design and promote best practices for code quality and engineering excellence.

Required profile

• Bachelor’s degree or higher in Computer Science, Software Engineering, or a related field.
• Strong programming experience in Go, Java, or Python.
• Familiarity with microservice architecture and cloud‑native environments (Kubernetes, Docker).
• Experience with relational and non‑relational databases such as MySQL, Redis, and MongoDB.
• Solid understanding of data structures, algorithms, and distributed systems.
• Excellent communication skills and ability to work in cross‑functional, international teams.

Required skills

• Go
• Java
• Python
• Kubernetes
• Docker
• MySQL
• Redis
• MongoDB