Senior Backend Software Engineer - AI - Asset Services

San Jose, California, US Until 8/21/2026 H-1B sponsor history First posted May 1, 2026 Last posted May 1, 2026
Job description

Description

The Creation team is an international R&D group tasked with building creative capabilities for TikTok. We're dedicated to productizing AI and multimedia technologies to create world-class creation experiences for TikTok users. Our tech stack includes front-end, back-end, mobile, and desktop development, as well as multimedia technologies like audio/video processing and AR effects, in addtion to visual and graphic algorithms. Our team spans major cities in China (Beijing, Shanghai, Hangzhou, Shenzhen, and Guangzhou), Singapore, as well as the United States (San Jose, Seattle, and Los Angeles). Join us to craft the best creative tools with the most cutting-edge AI and multimedia technologies!

The Asset Service which has managed almost 100 million assets for multiple scenarios (such as TikTok effect and template). We manage the whole lifecycle of multiple assets, including creation, operations to consumption. Our distribution service QPS has reached 1 million, and we have provided the service for multi-regions in the global world, and distribute the material to the UGC creator. We will keep more efficient, stable and compliant to provide rich materials for the UGC creator to help them create more interesting content. Besides, we're also working on AIGC features in order to improve user experience and creator efficiency. The team is based in the US and CN, and our mission is to develop Loki into an efficient and reliable asset platform that, like the Norse god Loki, transforms assets into dynamic formats, to ensure magically easy asset creation, management, and consumption across multiple products.

As a Backend Engineer in our team, you'll play a key role in shaping this dynamic and ever-evolving platform, significantly contributing to TikTok's continued global impact.

Responsibilities
- Work closely with cross functional teams like product managers, designers, and Frontend engineers to deliver state of the art user experience in the above products mentioned;
- Build world-class products end-to-end, which combine usability, accessibility, elegance, performance, and maintainability;
- Guarantee the creation experience of 100 million-level UGC users and 10 million-level designers;
- Construct an AI Native service ecosystem and development workflow;
- Build an Agent system serving intelligent creation.

Requirements

Minimum Qualifications
- Experienced in building backend services for large-scale consumer-facing applications;
- Deep understanding of computer architectures, data structures, and algorithms;
- Have good team communication and collaboration skills;
- Understand modern distributed system architecture;
- In-depth AI application experience and understanding of AI Coding paradigms.

Preferred Qualifications
- BA/BS Degree in Computer Science or related major.
- Industry experience in a software development environment.
- Experience in building AI Agents and understanding the construction principles of knowledge bases/Skill systems/memory.

About this role

Summary

Develop large-scale backend systems for TikTok's AI asset platform.

Job title

Senior Backend Software Engineer - AI - Asset Services

Experience level

senior level

Industry

software

Location requirements

San Jose, remote work allowed

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

backenddistributed systemdata structuresalgorithmsAI

Preferred skills

AI agentsknowledge basesmemory systemsAI coding paradigms

Specializations

backendaidistributionmultimediaassets
Locations

Structured locations inferred from the posting.

California, USA

Remote State

San Jose, CA, USA

On-site City