Backend Engineer Intern (ByteRec Recommendation Infrastructure) - 2026 Start (BS/MS)
Singapore
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
Employee well-being is supported via hybrid work, short-term counseling through our EAP and a premium subscription to Headspace.
We embrace diversity across all dimensions and provide employees with 9 employee resource groups globally, including our WOMEN ERG.
Comprehensive parental leave policy as well as fertility treatment through healthcare providers with a $20,000 lifetime maximum.
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Position summary
dered for jobs in the order you apply. The application limit is applicable to TikTok 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
- Be responsible for the service construction and iteration of the multi-modal content understanding pipeline, solve core problems such as service availability, throughput and storage bottlenecks, and improve the development efficiency of new features.
- Regarding the repetition and similarity issues of massive video content, closely collaborate with the algorithm team to continuously promote the application of industry-leading video representation models and large-scale vector retrieval technologies at the business level, and overcome engineering problems during the implementation process.
- Abstract and enrich the multi-modal vector computing components, optimize the model inference performance of vector computing, enhance the stability, performance, and scalability of the system, and strengthen platform-wide integration.
Qualifications
Minimum Qualifications:
- Undergraduate, or Postgraduate who is currently pursuing a degree/master in Computer Science, Computer Engineering, Information Systems or a related technical major.
- Have solid programming skills and basic computer knowledge, be familiar with Python/C++, have excellent design and coding styles, and possess strong abilities to solve practical problems.
- Have good communication and collaboration skills, be enthusiastic about solving challenging problems, and be able to explore new technologies with the team to promote technological development.
Preferred Qualifications
- Have development experience related to recommendation, search, and advertising. Have experience in recall and ranking or RAG systems.
- Have basic machine learning knowledge, be familiar with mainstream machine learning frameworks (PyTorch/TensorFlow) or Multi-Agent frameworks. Have experience in high-performance computing or CUDA development.
By submitting an application for this role, you accept and agree to our global applicant privacy policy, which may be accessed here: https://careers.tiktok.com/legal/privacy
If you have any questions, please reach out to us at [email protected]
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
Employee well-being is supported via hybrid work, short-term counseling through our EAP and a premium subscription to Headspace.
We embrace diversity across all dimensions and provide employees with 9 employee resource groups globally, including our WOMEN ERG.
Comprehensive parental leave policy as well as fertility treatment through healthcare providers with a $20,000 lifetime maximum.