TikTok R&D Engineer (Open Platform)

TikTok's Open Platform team builds the core infrastructure that enables external developers to integrate with TikTok safely and efficiently. The team provides APIs, SDKs, and platform capabilities that allow partners to create innovative experiences while ensuring data security, ecosystem integrity, and scalable performance. We focus on delivering reliable developer tools, enforcing platform policies, and maintaining a secure, high‑quality environment for the broader TikTok ecosystem.

• Deliver end‑to‑end Open Platform APIs, including both server‑side and client‑side development.
• Design and implement an AI‑Agent‑based delivery model to accelerate the full development lifecycle (PRD coding testing launch).
• Ensure the security of the open ecosystem and build technical capabilities that connect native developers, supporting a secure and scalable open platform. Minimum Qualifications
• 1+ years of software development experience with strong business understanding and abstraction skills.
• Experience designing and developing distributed systems; able to independently complete system design and implementation.
• Strong ownership, self‑motivation, and a growth mindset.
• Experience exploring vertical domains or independently driving product or business initiatives.
• AI‑Native or related experience, such as Agent, LLM, Prompt Engineering, Agentic Workflow, or deep usage of tools like Cursor, Claude Code, Codex, Devin, etc.

Preferred Qualifications

• Experience leading Agent Fleet-type products and evaluating differences across major model families (Anthropic, OpenAI, GLM, Doubao, etc.).
• Experience building and scaling AI systems end‑to‑end, ideally in startup or 01 product environments.
• Strong intuition for model behavior, safety, and governance in generative‑AI systems.