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TikTok

Backend Engineer - TikTok Account

SingaporePosted Sep 23, 2026

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Why you should apply for a job to TikTok:

4.5/5 in overall job satisfaction
4.5/5 in supportive management
100% say women are treated fairly and equally to men
100% would recommend this company to other women
100% say the CEO supports gender diversity

Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›

Responsibilities

We own TikTok's core account, device, session, and user data systems, serving billions of users globally with built-in security requirements one of the most scalable and high-performance systems in the industry (100 millions QPS).

Here, you'll take on several defining challenges:
Extreme Performance: Optimize distributed architecture, storage engines, and traffic routing to ensure rock-solid stability under massive global scale.
Security by Design: Embed security into every layer of the system, from architecture to code, to combat fraud and protect billions of user accounts.
We thrive on solving hard problems-whether it's designing high-performance auth protocols, building risk control systems, or breaking through distributed consistency bottlenecks. Every line of code you write will directly impact hundreds of millions of users.
Account team is highly engineering-driven, we want to foster a culture of innovation, technical depth, and elegant problem-solving. If you're excited about all of these, it's the right place.

We also actively leverage cutting-edge AI technologies to solve complex engineering challenges in performance optimization, system reliability, security, and beyond.

Responsibilities:
1. Design, test, deploy and maintain backend services and core components of distributed systems.
2. Conduct system designs and code reviews.
3. Collaborate with other engineering teams to elevate technology and consistently apply best practices.
4. Constantly evaluate and improve efficiency, scalability, and stability of our systems.

Qualifications

Minimum Qualifications:
1. BS degree in Computer Science, Electrical Engineering, Computer Engineering or related areas.
2. Experience in one or more programming languages such as Go, Java, C++, Python etc.
3. Abilities to quickly ramp up on new technologies, tools and domain knowledge.
4. Experience in backend server development and database solutions.

Preferred Qualifications:
1. Good problem-solving, analytical thinking capabilities and exceptional attention to details.
2. Good communication and collaboration skills.

Responsibilities

Qualifications

Qualifications

Minimum Qualifications:
1. BS degree in Computer Science, Electrical Engineering, Computer Engineering or related areas.
2. Experience in one or more programming languages such as Go, Java, C++, Python etc.
3. Abilities to quickly ramp up on new technologies, tools and domain knowledge.
4. Experience in backend server development and database solutions.

Preferred Qualifications:
1. Good problem-solving, analytical thinking capabilities and exceptional attention to details.
2. Good communication and collaboration skills.

About TikTok

TikTok is the leading destination for short-form mobile video and our mission is to inspire creativity and bring joy.

Size: 10,000+ employees
Industry: Technology: Consumer Internet

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