NLP & GenAI Data Scientist (ML & LLMs)

ASTEK SINGAPORE INNOVATION TECHNOLOGY PTE. LTD.; Singapore; On-site; SGD 90,000 - 180,000; Full time

Job summary

Astek Singapore Innovation Technology Pte. Ltd. is seeking a Data Scientist to develop, evaluate, and improve NLP, Generative AI, and Machine Learning solutions.

You will work with product, engineering, and business teams to translate user needs into data-driven models suitable for production. The role focuses on building evaluation frameworks, experimenting with embeddings and language models, and ensuring responsible AI practices, privacy, and security while delivering reliable, scalable

Qualifications

• Degree in Computer Science, Data Science, Statistics, Artificial Intelligence, Computational Linguistics, or related quantitative discipline, or equivalent practical experience.
• Hands-on experience in Data Science / Machine Learning, preferably involving NLP, Generative AI, Search, or Information Retrieval.
• Strong programming skills in Python, with working knowledge of SQL, data processing, version control, and software development practices.
• Good understanding of statistics, experimental design, model evaluation, validation, sampling, and error analysis.
• Experience working with unstructured text data and evaluating ML/Generative AI systems.
• Familiarity with embeddings, language models, prompt design, and model evaluation.
• Ability to develop maintainable code and collaborate with engineers to deploy solutions into production.
• Strong analytical, problem-solving, communication, and stakeholder management skills.

Responsibilities

• Develop and evaluate NLP, Generative AI, and Machine Learning models for real-world use cases.
• Build evaluation frameworks and datasets to measure model accuracy, quality, reliability, latency, and cost.
• Conduct experiments, model validation, and error analysis to identify performance gaps and recommend improvements.
• Evaluate and apply appropriate AI models, techniques, embeddings, language models, and prompt strategies.
• Work with engineers to integrate validated models and improvements into production environments.
• Monitor model performance and establish automated and human evaluation methods.
• Ensure experiments, datasets, and model decisions align with Responsible AI, privacy, and security requirements.
• Present technical findings and recommendations clearly to both technical and non-technical stakeholders.

Skills

Python

NLP

Generative AI

Machine Learning

Data Analysis

Information Retrieval

Embeddings

LLMs

Prompt Design

Model Evaluation

Vector Search

MLOps

Education

Degree in Computer Science / Data Science / AI or related

Tools

SQL

Version Control

Data Processing

Software Development Practices

Cloud AI Services

MLOps

Job description

Astek Singapore Innovation Technology Pte. Ltd. is seeking a Data Scientist to develop, evaluate, and improve NLP, Generative AI, and Machine Learning solutions.

You will work with product, engineering, and business teams to translate user needs into data-driven models suitable for production. The role focuses on building evaluation frameworks, experimenting with embeddings and language models, and ensuring responsible AI practices, privacy, and security while delivering reliable, scalable