Backend Engineer, AI-Driven Ad Tech Platform

TikTok Inc.; San Jose (CA); On-site; USD 162,000 - 317,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

401(k) match

Parental leave

Disability coverage

Wellbeing benefits

Paid holidays

Paid sick days

Paid Personal Time

Job summary

TikTok Inc. is seeking a Backend Engineer to join the Pangle SIA team.

You will design and build large-scale backend services for signal ingestion, identity matching, attribution, and ads measurement that power ads delivery and business growth across the global network. You will develop real-time and batch data pipelines, create ML infrastructure to support audience systems and ad performance, and apply AI-driven thinking to improve system reliability and product outcomes.

Qualifications

• BS or MS degree in Computer Science, Engineering, or related technical field.
• 2+ years of experience in software development (backend services) or infrastructure engineering.
• Strong coding skills in one or more languages (Go, Python, C++, Java).
• Solid understanding of distributed systems, backend architectures, and data processing frameworks.
• Ability to think critically, solve complex problems, and communicate across teams.
• Strong interest in AI technologies, including LLMs and AI agents, to accelerate development.

Responsibilities

• Design and build large-scale backend services for signal ingestion, identity matching, attribution, and ads measurement that power ads delivery and growth.
• Develop scalable real-time and batch data pipelines that maximize first-party and third-party signals value across global traffic.
• Build foundational data and ML infrastructure that supports audience systems, ads ranking, conversion optimization, and measurement.
• Apply backend engineering and data-driven thinking to improve signal quality, reliability, and product impact.
• Leverage AI agents and LLM-powered automation to enhance signal processing, data ops, optimization workflows, and productivity.

Skills

Go

Python

C++

Java

Education

BS or MS in Computer Science, Engineering, or related field

Tools

Distributed systems

Data pipelines

Job description

TikTok Inc. is seeking a Backend Engineer to join the Pangle SIA team.

You will design and build large-scale backend services for signal ingestion, identity matching, attribution, and ads measurement that power ads delivery and business growth across the global network. You will develop real-time and batch data pipelines, create ML infrastructure to support audience systems and ad performance, and apply AI-driven thinking to improve system reliability and product outcomes.