Backend Engineer Intern: Build Scalable Services & AI Tools

TikTok; San Jose (CA); On-site; USD 52,000 - 72,000; Part time

Benefits offered by this job

Health insurance

Housing allowance

Paid holidays

Job summary

TikTok is seeking interns for the Global E-Commerce Backend team in San Jose. You will develop backend services that power e-commerce experiences, optimize performance, and contribute to APIs and internal tools under guidance from experienced engineers.

The program emphasizes learning, social events, and development workshops, with a rolling application review process and a flexible start date. Interns may receive housing allowance and other benefits depending on location.

Qualifications

• Currently pursuing a Bachelor's or Master's degree in Computer Science or a related discipline.
• Familiarity with backend development and proficiency in at least one programming language such as Java, Golang, Python, Scala, or C++.
• Basic understanding of data structures, algorithms, computer networks, and database fundamentals.
• Familiarity with common backend components such as relational databases, cache systems, or messaging systems.

Responsibilities

• Develop efficient, scalable, and secure backend services that support E-commerce product experiences and platform operations.
• Assist with optimizing service performance, data processing, and system reliability under the guidance of experienced engineers.
• Contribute to APIs, internal tools, or platform components that improve engineering or business efficiency.
• Participate in system design discussions, code reviews, testing, and debugging as part of the development lifecycle.
• Learn and apply AI-assisted development practices to improve coding efficiency, documentation, debugging, and engineering productivity.
• Explore backend scenarios that support AI-enabled product features, automation, or intelligent decision-making workflows where applicable.

Skills

Backend dev

Java

Golang

Python

Scala

C++

Data structures

Algorithms

Databases

Education

Bachelor's or Master's in CS

Tools

Relational databases

Cache systems

Messaging systems

APIs

Job description

TikTok is seeking interns for the Global E-Commerce Backend team in San Jose. You will develop backend services that power e-commerce experiences, optimize performance, and contribute to APIs and internal tools under guidance from experienced engineers.

The program emphasizes learning, social events, and development workshops, with a rolling application review process and a flexible start date. Interns may receive housing allowance and other benefits depending on location.