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Entry LevelFull-timeData ScienceAI
Salary Range
$8,075 - $10,925 /year
This salary is estimated based on similar roles. The actual salary may vary.
Get to know the role
We're looking for Data Scientists specialising in post-training of large language models (LLMs) to join our team, working onsite in Bangalore. You'll be part of an enthusiastic and collaborative team, working as an individual contributor, reporting to the Head of Data Science, Integrity & COREX who is based at our One North Singapore office.
 
Your work will involve advancing fields such as reasoning, multi-modality, multi-lingual systems, and AI agents. You'll contribute to solutions that improve risk and safety measures, enhance customer support, personalise user experiences, and boost internal productivity. You'll work on end-to-end system deployments while collaborating with businesses and product teams to create solutions with measurable commercial impact.
Responsibilities:
• Implement post-training and optimisation tasks for large language models, including fine-tuning, distillation, performance evaluation, and low-resource training.
• Handle domain-specific data processes such as data collection, cleaning, labelling, augmentation, and synthetic data generation for model improvement.
• Develop systems that integrate reasoning, multi-modal processing, multi-lingual modelling, and AI agent behaviour for real-world applications.
• Deploy LLM-based applications in different scenarios, including risk control, customer support, personalization, and internal productivity use cases.
• Prepare technical documentation, patents, prototypes, and demonstrations to showcase project outcomes and advancements.
• Engage with business and product teams to ensure agreement on strategic goals and contribute to planning efforts.
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About Grab
Grab is a leading technology company operating in the transportation and financial services sector, providing innovative solutions across Southeast Asia. Founded in 2012 and headquartered in Singapore, Grab has rapidly expanded its footprint across the region, offering a wide range of services designed to simplify daily life for millions of users. The company leverages technology to connect people with essential services, from ride-hailing and food delivery to digital payments and insurance, making it a cornerstone of modern urban living in the markets it serves. Grab’s core offerings include ride-hailing services through its mobile app, which allows users to book rides with just a few taps, as well as GrabFood, a popular food delivery platform that partners with local restaurants to bring meals directly to customers. The company also provides financial services such as GrabPay, a digital wallet that enables seamless transactions, and GrabInsurance, offering convenient coverage options. These services are tailored to meet the needs of both consumers and businesses, particularly in densely populated urban areas where efficiency and reliability are paramount. Over the years, Grab has established itself as a dominant player in the region, serving over 125 million registered users across 14 countries. The company’s ability to integrate multiple services into a single platform has set it apart from competitors, creating a loyal ecosystem of users and partners. By prioritizing user experience, safety, and innovation, Grab continues to redefine convenience in Southeast Asia, solidifying its position as a trusted and indispensable service provider.
