Senior Software Engineer (Backend) - TikTok Open Platform

TikTok; San Jose (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

TikTok is seeking an Open Platform engineer in San Jose to advance the foundation of our B2B services, connecting developers, merchants, and partners with scalable APIs and secure infrastructure.

You will own system architecture and evolution of high‑concurrency server‑side components, focusing on API gateways, tenant isolation, and compliance as we push AI‑enabled platform services forward.

Responsibilities

• System Architecture & Evolution: Responsible for the architecture design, development, and evolution of B2B server-side services for TikTok Open Platform, creating standardized, reusable platform capabilities for

Job description

@2026 TikTok

Technology

Location

San Jose

Employment Type

Regular

Job Code

A208019

Responsibilities

The TikTok Open Platform team builds the foundational platform capabilities and infrastructure connecting TikTok's massive ecosystem with developers, enterprise merchants, and third‑party partners. We focus on high-concurrency architecture, API gateways, tenant isolation, security/compliance, and next‑generation AI‑enabled platform services.

• System Architecture & Evolution: Responsible for the architecture design, development, and evolution of B2B server-side services for TikTok Open Platform, creating standardized, reusable platform capabilities for