WeChat - Data Scientist

About Tencent Tencent is an Internet-based platform company founded in Shenzhen, China, in 1998. We use technology to enrich the lives of Internet users and assist the digital upgrade of enterprises. Our mission is 'Value for Users, Tech for Good'. We embrace a culture of teamwork & creativity and are driven by our values - Integrity, Proactivity, Collaboration and Creativity.

We are rapidly expanding our international operations and are looking for top talent to propel us forward. Combining the results-oriented nature of a start-up with the resources of a profitable and leading Internet company, Tencent offers a unique opportunity for aspiring individuals to thrive.

About WeChat

With over 1.2 billion users worldwide, WeChat is changing the mobile landscape by connecting people, services, and businesses in China and around-the world. The WeChat team in Singapore is responsible for managing and growing our core product including messaging and social networking for users worldwide (excluding the Chinese mainland).

Join the WeChat team and play an impactful role in keeping people around the world connected, help redefine how people use their mobile devices to communicate and interact online, and understand user behavior and preferences of users worldwide.

Responsibilities

Explore both qualitative and quantitative data sets, perform in-depth analysis to derive actionable insights, identify problems, and propose data-driven solutions for the WeChat ecosystem

Collect large sets of structured and unstructured data from independent sources; clean, validate, and transform data to ensure accuracy, completeness, and uniformity

Design and maintain dashboards, reports, and automated data pipelines to support ongoing business monitoring and decision-making

Analyze data to identify patterns, trends, and anomalies, uncovering potential opportunities and/or threats to the WeChat ecosystem

Interpret findings to discover solutions or opportunities and build story-boards to communicate insights to the business for action

Own and evolve the computer vision infrastructure, including building, optimizing, and maintaining CV model training/serving pipelines, evaluation frameworks, and related toolchains

Develop and deploy computer vision solutions (e.g., image/video understanding, OCR, content moderation, multimodal analysis) to address business needs across the WeChat ecosystem

Leverage LLM-based approaches and other machine learning / deep learning techniques where appropriate to enhance analytical capabilities and support intelligent product features

Requirements

Bachelor's degree or above in Computer Science, Artificial Intelligence, Mathematics, Statistics, Data Science, or a similar quantitative field

Hands-on experience with LLM application development (e.g., fine-tuning, RAG, Agent frameworks such as LangChain/LlamaIndex/AutoGen) is strongly preferred

Experience with computer vision models (e.g., object detection, image classification, multimodal models) is a plus

Good knowledge of Python; familiarity with C/C++ is a plus

Familiarity with mainstream deep learning frameworks (PyTorch, TensorFlow) and model deployment tools (e.g., Docker, FastAPI, TensorRT) is preferred

Experience with vector databases (e.g., Milvus, FAISS, Pinecone) or data pipeline tools is a plus

Ability to communicate complex technical ideas to non-technical stakeholders in a clear and accessible manner

Self-driven, innovative, and collaborative, with strong communication and presentation skills; able to bridge business and technical audiences

Fluency in both English and Mandarin to collaborate with international stakeholders and headquarters-based teams