Machine Learning Engineer Intern (Global E-Commerce, Search) - 2027 Start

TikTok; Singapore; On-site; SGD 20,000 - 33,000; Part time

Job summary

TikTok is seeking an Intern in Singapore to contribute to advanced search and ranking systems, improving user experience and GMV through multi-modal matching and personalized algorithms.

The role emphasizes learning in a fast-paced tech environment, applying statistics, scripting and programming skills, and collaborating with multiple platform teams to deploy models at scale.

Qualifications

• Currently pursuing a degree in software development, CS, or related technical discipline.
• Excellent coding skills and solid knowledge of data structures and algorithms.
• Strong analytical, modeling and problem-solving abilities from complex data.
• Industry ML experience and good product sense focused on user experience.

Responsibilities

• Improve basic search quality and user experience through query analysis and relevance matching.
• Design and implement end-to-end ranking systems to boost GMV across merchandise, video, and live streams.
• Promote ecosystem development: tackle supply-demand matching and cold-start challenges for sustainable growth.
• Explore AI search, focusing on harness engineering and automated evaluation for next-gen experiences.
• Collaborate in a team, applying statistics, scripting and required programming languages.
• Work with platforms where the models are deployed.

Skills

Software development

Algorithms & data structures

Problem solving

Machine learning basics

Education

Undergraduate or Master's degree in CS/Engineering or related field

Tools

Python

TensorFlow/PyTorch

Job description

Discover a career that energizes and excites you every day.

@2026 TikTok

Technology

Location:

Employment Type:

Intern

Job Code:

A145384B

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Responsibilities

• 1. Improve the basic search quality and user experience: Optimize query analysis and text relevance matching. Understand e-commerce video content and implement multi-modal matching. Improve users' perception of product authority, and deeply participate in the design and implementation of core search products. Comprehensively improve the end-to-end shopping experience from browsing to after-sales.
• 2. Design and implement the end-to-end ranking system (recall, first stage ranking, final stage ranking and mixed row): Improve users' personalized shopping interests model. Improve the shopping conversion efficiency for merchandise, video and live stream to promote GMV growth.
• 3. Promote the development of the ecosystem: From the perspective of the industry and businesses, solve challenging problems such as supply and demand matching, business cold start, and sustainable business growth, etc. Think, analyze and adjust the evolution of the system to achieve long-term and sustainable growth of GMV.
• 4. Participate in the exploration and development of personalized AI search, with a focus on harness engineering, post-training optimization, and rubric-based automated evaluation, to build next-generation search experiences that better understand users, reason over intent, and make intelligent decisions.
• 5. Work in a team setting and apply knowledge in statistics, scripting and programming languages required by the firm.
• 6. Work with the relevant software platforms in which the models are deployed.

Qualifications

Minimum Qualifications

• 1. Currently Pursuing a Undergraduate or Master's degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• 2. Excellent coding skills. Solid knowledge of data structure and algorithms.
• 3. Excellent in analysis, modeling and problem-solving, and can see the essence of problems from complex data.
• 4. Industry work experience in machine learning. Good product sense with a focus on user experience.

Preferred Qualifications

• 1. Self-driven, able to deeply understand the business, adapt to rapid business changes, have good personal expression and communication skills, and be able to promote project implementation.
• 2. Publication records in top journals or conferences will be a plus. Experience winning ACM-ICPC medals will be a plus.

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.