Backend Software Engineer Graduate (Social) - 2027 Start Singapore Technology - Backend Regular[...]

TikTok; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

TikTok is seeking a backend engineer in Singapore to join the Messaging team and own server-side development for features like Streak, Stickers, Voice & Video Call, and cross-datacenter synchronization to ensure a reliable messaging experience.

You will work on performance, scalability, and privacy, and explore next-generation messaging powered by LLM and AI Agents to elevate user engagement across regions.

Qualifications

• Bachelor's degree in computer science or related discipline.
• Strong logical analysis and system abstraction abilities.
• Proficient with AI coding tools; interest in AI skills/agents preferred.
• Solid fundamentals in data structures, algorithms, OS; know at least one language (Java/Go/C++/Python).

Responsibilities

• Backend development and iteration of TikTok Messaging in the Singapore team; build and evolve server-side capabilities for Streak, Stickers, Voice & Video Call, and other core messaging features.
• Build and maintain server-side IM infrastructure (IMCloud) and ensure privacy and data compliance across regions.
• Explore AI-powered messaging experiences (LLM, AI agents) to enhance user engagement.
• Improve performance, stability, and scalability of the Messaging system under high concurrency.

Skills

Java

Go

C++

Python

AI tools

Analytical thinking

Education

Bachelor's degree in Computer Science

Tools

Linux

Cloud

LLM

Job description

Location:

Employment Type:

Regular

Job Code:

A213033

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Responsibilities

We are the messaging team on TikTok. Our team's mission is to facilitate meaningful user connections through TikTok's messaging experience, which is still in its infancy. We achieve our mission by building and shipping tools that help our users more easily connect and share the things they care about.We are looking for talented individuals to join our team. As a graduate, you will get opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth.Successful candidates must be able to commit to an onboarding date by the end of the year. Please state your availability and graduation date clearly in your resume.Candidates can apply to a maximum of two positions and will be considered for jobs in the order you apply. The application limit is applicable to our Company and its affiliates' jobs globally. Applications will be reviewed on a rolling basis - we encourage you to apply early.

• Responsible for the backend development and iteration of TikTok Messaging in the Singapore team, building and evolving server-side capabilities for Streak, Stickers, Voice & Video Call, and other core messaging features, and participating in the backend architecture design and implementation of TikTok Social Messaging;
• Build and maintain server-side IM infrastructure (IMCloud), including cloud-based IM data management and cross-datacenter synchronization, to ensure a reliable core messaging experience; safeguard user privacy and ensure IM data compliance with regulatory requirements across regions;
• Explore next-generation messaging experiences powered by LLM and AIGC, including conversational chatbots, AIGC-powered stickers, and other personalized features that elevate user engagement;
• Continuously improve the performance, stability, and scalability of the Messaging system under high-concurrency scenarios, reduce system access costs, and improve system reliability.

Qualifications

Minimum Qualifications:

• 1. Individuals who are completing or have recently completed a Bachelor's degree in computer science or a related discipline.
• 2. Strong logical analysis and system abstraction abilities;
• 3. Proficient in AI coding tools; those with interest in or practical experience with AI Skills/AI Agents are preferred;
• 4. Solid computer fundamentals (data structures, algorithms, operating systems, etc.); familiar with at least one programming language (Java/Go/C++/Python, etc.).

Preferred Qualifications：

• 1. Developers with strong self-drive and sense of responsibility, with internship experience in back-end development, and who have participated in complete projects will be given priority;
• 2. Strong learning and communication skills, and a sustained passion for technology;

Job Information

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an 'Always Day 1' mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

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