Lead Data Scientist - AI

GoTo Group; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

GoTo Group is seeking a Lead Data Scientist in Singapore to shape the future of AI with a focus on multilingual Large Language Models. The role involves designing datasets, training and fine-tuning models, and collaborating with product and engineering teams. Candidates should have over 7 years of experience in deep learning and NLP, proficiency in Python and deep learning frameworks, and strong communication skills. The position offers a unique opportunity to innovate in the AI field for Indonesia's cultural needs.

Qualifications

• 7+ years of experience in deep learning, NLP, computer vision, voice.
• Proficient in data preprocessing, model training, evaluation, and optimisation.
• Practical experience in applying deep learning to solve real business problems.
• Proficient with Python and deep learning frameworks such as PyTorch or TensorFlow.
• Experience with cloud platforms like Alicloud, GCP, or AWS.
• Strong communication skills to understand business needs.
• Ability to write clear and concise technical documentation.

Responsibilities

• Work with large‑scale multilingual corpora, including text, audio, and image modalities.
• Build high‑quality datasets for continual pretraining and benchmark evaluation.
• Contribute to the training and scaling of multilingual LLMs.
• Implement state-of-the-art methods for efficient and scalable operations.
• Improve safety alignment for responsible model behavior.
• Collaborate with business/product, engineers for production‑grade solutions.
• Stay current with advancements in AI technologies.

Skills

Deep Learning

Natural Language Processing (NLP)

Computer Vision

Voice Processing

Python

PyTorch

TensorFlow

Cloud Platforms

Data Preprocessing

Technical Documentation

Education

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

Job description

About the Role

We are building a multilingual Large Language Model tailored for Bahasa Indonesia and regional languages. We are looking for a passionate Lead 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 Lead 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 behavior.
• 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

• 7+ years of experience in deep learning, NLP, computer vision, 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, GCP or AWS.
• 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.

About the Team

The AI‑LLM team is on a mission to build the most capable and culturally‑aligned multilingual LLMs for Indonesia. At GoTo Group, the AI‑LLM team is at the forefront of developing state‑of‑the‑art language models. We are building foundational AI models that understand and generate Bahasa Indonesia and regional languages – empowering more inclusive technology.

We work on everything from continual pretraining large‑scale LLMs to alignment and safety fine‑tuning, using both structured and unstructured data from diverse sources. Our projects span core model development, dataset curation, safety systems, and real‑world deployment in consumer and enterprise applications. Our team brings together members with diverse technical and cultural backgrounds, bringing expertise in machine learning and local languages.