Senior Data Scientist - LLM

About the Role

We are building a multilingual Large Language Model tailored for Bahasa Indonesia and regional languages. We are looking for a passionate Senior Data Scientist to help shape the future of open and inclusive AI for Indonesia, as well as playing a pivotal role in identifying impactful AI use cases. As a Senior Data Scientist working on LLMs, you will design and build high-quality datasets, advanced model pre-training, fine tuning and alignment techniques, and collaborate closely with product and engineering teams to ship safe, reliable LLM-powered features to millions of users. This role offers the opportunity to drive innovation, solve critical business challenges, and shape the future of AI-driven solutions at GoTo Group.

What You Will Do

Work with large-scale multilingual corpora, including text, audio, and image modalities

Build high-quality datasets for both continual pretraining,post-training (SFT, RLHF, DPO), and benchmark evaluation

Contribute to the training and scaling of multilingual LLMs – from continual pretraining to supervised fine-tuning and alignment.

Implement state of the art methods and research for efficient and scalable operations.

Implement and improve safety alignment and guardrail systems to ensure responsible and culturally appropriate model behaviour.

Collaborate closely with business/product, engineers to deploy production-grade LLM-powered solutions.

Stay current with advancements in AI technologies. Frontier models, training methodologies, etc

What You Will Need

4+ years of experience in deep learning, NLP, computer vision, and voice.

Proficient in data preprocessing, model training, evaluation, and optimisation.

Practical experience in applying deep learning to solve real business problems, with models successfully deployed and used in production environments.

Proficient with Python and deep learning frameworks such as PyTorch or TensorFlow.

Experience with cloud platforms like Alicloud or Tencent.

Strong communication skills to understand business needs and effectively convey analytical solutions.

Ability to write clear and concise technical documentation.

A Master’s or PhD in Computer Science, Data Science, AI, or a related field.