Senior Data Scientist - LLM Platform (Artificial Intelligence/AI)

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

• Perform data annotation and labeling based on provided guidelines

• Validate language accuracy, grammar, and contextual relevance

• Review annotated datasets to identify and correct errors

• Ensure consistency and quality across large volumes of data

• Collaborate with internal teams to refine annotation processes

• Provide feedback to improve annotation guidelines and workflows

What You Will Need

• 4+ years of experience in LLM,Deep Learning, NLP, Computer Vision, or 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.

• Understanding Bahasa Indonesia will be an advantage.