Backend Software Engineer Intern (Graph Neural Network System, Cloud Infrastructure) - 2026 Start (BS/MS)

Responsibilities

Team Introduction
The Infrastructure NoSQL team based in Singapore caters to the needs of TikTok and its affiliated mid-platforms and business lines. The team operates on a vast scale, managing tens of thousands of servers and handling data that exceeds the petabyte level. The team has developed its own distributed KV/caching systems, globally distributed table storage systems, and large-scale graph database products. Utilizing cutting-edge hardware and software stack technology, they are dedicated to advancing the next generation of products continually.

We are looking for talented individuals to join us for an internship in 2026. Internships at ByteDance aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at ByteDance.

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 ByteDance and its affiliates' jobs globally.

Applications will be reviewed on a rolling basis - we encourage you to apply early.

Successful candidates must be able to commit to at least 3 months long internship period.

Responsibilities:
- Participate in the design and development of our self-developed distributed Graph Neural Network (GNN) training/inference systems over a large-scale graph dataset;
- Apply Graph Embedding/GNN into real-world application scenarios, including but not limited to risk control, etc.

Qualifications

Minimum Qualifications
- Undergraduate, Postgraduate and/or PhD students in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
- Familiar with C++, and Python development in Linux environment, familiar with multi-threading, network programming, cloud-native K8S, and other technologies;
- Familiar with TensorFlow, PyTorch, and Ray framework;
- Possess good communication skills and the ability to work well in a team.

Preferred Qualifications
- Familiar with existing industry open source GE/GNN systems (e.g., DGL, PYG, Euler, GraphLearn, BigGraph, etc).
- Familiar with GNN algorithms, such GraphSage, GAT, Genipath

By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://jobs.bytedance.com/en/legal/privacy

If you have any questions, please reach out to us at apac-earlycareers@bytedance.com

Job Information

About Us

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.​

Inspiring creativity is at the core of ByteDance's mission. Our innovative products are 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 enrich life - a mission we work towards every day.​

As ByteDancers, 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. 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​

ByteDance 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 ByteDance, our mission is to inspire creativity and enrich life. 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.​