Technology

Software Engineer Intern (TikTok Application Computing, Data + AI) - 2026 Start (BS/MS)

Location
:

Singapore

Employment Type
:

Intern

Job Code
:

A169849

Responsibilities

Team Introduction
TikTok's Recommendation Architecture Team is responsible for designing and developing the architecture and computing systems that power the recommendation engines behind products with over a billion users. The team ensures system stability and high availability, abstracts general-purpose real-time and batch computing frameworks, and builds flexible, scalable, high-performance storage systems and computing models. We provide core infrastructure and general-purpose components for key areas such as deduplication, counting, feature generation, training pipelines, and stream-batch computing engines, enabling the success of recommendation services at scale.

For roles looking to start before calendar year 2026 : We are looking for talented individuals to join us for an internship in from Sept. 2025 onwards. Internships at TikTok aim to offer students industry exposure and hands-on experience. Watch your ambitions become reality as your inspiration brings infinite opportunities at TikTok.

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 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

• Design and implement scalable distributed computing and training systems for large-scale recommendation systems.
• Build flexible, extensible, stable, and high-performance components for offline storage, computing, and training.
• Perform troubleshooting for production systems, and design and develop tools and mechanisms to ensure system stability and reliability.
• Develop industry-leading distributed training and computing frameworks for recommendation systems, providing robust infrastructure for massive datasets and large-scale business systems.

Qualifications

Minimum Qualifications:

• Undergraduate or Postgraduate currently pursuing a Degree/Master in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• Passionate about computer science and internet technologies. Proficient in programming languages such as Java, C++, Scala, or Python. Interested in data lake technologies like Hudi, Iceberg, or Paimon, and in distributed AI ecosystems such as Ray, PyTorch, Flink, or Spark.

Preferred Qualifications:

• Solid foundation in computer science, with deep understanding of data structures, algorithms, and operating systems.
• Strong logical and analytical skills, with the ability to abstract and decompose complex business logic.
• Strong curiosity and learning ability; capable of reading and understanding cutting-edge research papers; excellent communication and collaboration skills.

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 apac-earlycareers@tiktok.com

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.

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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.

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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.

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Diversity & Inclusion

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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.