Machine Learning Engineer Graduate (Global E-Commerce) - 2027 Start (PhD)

TikTok; Singapore; On-site; SGD 150,000 - 210,000; Full time

Job summary

TikTok Singapore is seeking a PhD‑level ML engineer to design and deploy scalable AI systems for large‑scale e‑commerce use cases such as recommendation, ranking, and forecasting. You will work on data processing, feature engineering, model training, evaluation, deployment, and monitoring in a fast‑moving environment.

You will collaborate with product, engineering, and data science teams; strong experience with PyTorch or TensorFlow and multimodal models is preferred.

Qualifications

• PhD in Software Development, Computer Science, Computer Engineering, or related field.
• Strong foundation in machine learning, deep learning, statistics, and algorithms.
• Proficient in Python, C++, Java, Go, or Rust.
• Hands‑on experience with PyTorch or TensorFlow.
• Self‑driven mindset with ownership of solutions.
• Excellent communication and collaboration in cross‑functional teams.

Responsibilities

• Design and develop ML algorithms and intelligent systems for large‑scale e‑commerce scenarios: recommendation, ranking, retrieval, forecasting, content understanding, pricing, governance, and conversational AI.
• Apply ML, DL, NLP, CV, multimodal models, and LLMs to real‑world business problems.
• Build end‑to‑end algorithm solutions: data processing, feature engineering, model training, evaluation, deployment, monitoring, and optimization.
• Develop scalable systems for real‑time or offline learning and inference on large data.
• Partner with product, engineering, data science, and business teams to translate needs into high‑impact technical solutions.
• Run experiments, analyze model performance, debug production issues, and iterate rapidly to improve quality and efficiency.
• Explore next‑gen intelligent systems: foundation models, generative recommendation, multimodal reasoning, and AI agents.

Skills

Machine learning

Deep learning

NLP

CV

Multimodal models

Python

C++/Java/Go/Rust

PyTorch

TensorFlow

Communication

Education

PhD in Software Development, Computer Science, Computer Engineering, or related

Tools

PyTorch

TensorFlow

Job description

Discover a career that energizes and excites you every day.

@2026 TikTok

Technology

Location:

Employment Type:

Regular

Job Code:

A163919

Share this listing:

Responsibilities

1. Design and develop ML algorithms and intelligent systems for large-scale e-commerce scenarios: recommendation, ranking, retrieval, forecasting, content understanding, pricing, governance, and conversational AI.
2. Apply machine learning, deep learning, NLP, CV, multimodal models, and LLMs to solve real-world business problems.
3. Build end-to-end algorithm solutions: data processing, feature engineering, model training, evaluation, deployment, monitoring, and continuous optimization.
4. Develop scalable systems for real-time or offline learning and inference on large-scale structured and unstructured data.
5. Partner with product, engineering, data science, and business teams to translate needs into high-impact technical solutions.
6. Run experiments, analyze model performance, debug production issues, and iterate rapidly to improve quality and efficiency.
7. Explore next-gen intelligent systems: foundation models, generative recommendation, multimodal reasoning, and AI agents.

Qualifications

Minimum Qualifications

1. Individuals who are completing or have recently completed a PhD degree in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
2. Solid foundation in machine learning, deep learning, statistics, and algorithms.
3. Strong programming skills in Python, C++, Java, Go, or Rust.
4. Hands‑on experience with PyTorch or TensorFlow.
5. Self‑driven mindset, curiosity for challenging problems, strong ownership, and the ability to turn algorithm ideas into business‑impacting solutions.
6. Good communication and collaboration skills, with the ability to work effectively in cross‑functional teams and adapt to fast‑changing business needs.

Preferred Qualifications

1. Familiarity with one or more of: recommendation systems, NLP, CV, multimodal learning, LLMs, generative models, RL, or intelligent agents is preferred.
2. Practical experience in E-Commerce, overseas internet products, marketplace platforms, content platforms, logistics, supply chain, advertising, or growth‑related business scenarios.
3. Publications in top‑tier conferences or journals such as KDD, NeurIPS, ICML, ICLR, WWW, SIGIR, WSDM, RecSys, ACL, EMNLP, AAAI, IJCAI, or related venues, or strong performance in programming, data mining, or machine learning competitions such as ACM‑ICPC, Kaggle, or KDD Cup.

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.