Healthcare AI Engineer: Build Production LLMs & Automation

FULLERTON HEALTHCARE GROUP PTE. LIMITED; Singapore; On-site; SGD 90,000 - 140,000; Full time

Job summary

Fullerton Health Group is seeking an AI Engineer to join the Technology arm and deliver production-grade AI solutions for document processing and medical-claim adjudication. You will own data ingestion, model adaptation (finetuning/RAG) and GPU deployment across regions, ensuring reliability, security and performance.

You will work with product and operations teams to ship AI features, monitor models for accuracy, latency and safety, and strengthen defenses against threats in healthcare AI

Qualifications

• Bachelor's degree in Computer Sciences, Mathematics, Statistics, Bioinformatics or a related field.
• 1-3 years in an AI Engineer / Machine Learning Engineer role with production AI systems.
• Strong Python skills for ML, data processing, and API/backend development.
• Hands-on experience building with LLMs, including prompt engineering, RAG pipelines, embeddings, and model evaluation.
• Proficiency with SQL/NoSQL databases and vector databases for embeddings and search.
• Awareness of data privacy, AI safety, and secure deployment practices (especially for healthcare data).
• Exposure to cybersecurity for AI/ML systems is a plus: secure network, APIs, and cloud security.

Responsibilities

• Build, integrate and maintain OCR and Document AI pipelines that extract structured data from medical documents for downstream adjudication.
• Deploy, fine-tune and optimise large language models, including inference optimisation and cost/latency tuning.
• Design and implement retrieval-augmented generation (RAG) pipelines, embeddings, and agentic workflows for complex automation.
• Expose AI capabilities via secure Python APIs/services and integrate with Fullerton Health systems.
• Ingest, cleanse and validate datasets; build scalable data pipelines across regions.
• Design evaluation frameworks and monitor model performance and safety controls.
• Strengthen the security posture of AI systems: defend against model poisoning and secure APIs and cloud infrastructure.
• Collaborate with product, backend, and ops teams to ship production-grade AI features.

Skills

Python

ML Engineering

LLMs

Prompt engineering

RAG pipelines

Embeddings

Model evaluation

SQL/NoSQL

Data privacy

Security in AI

Communication

Education

Bachelor's degree in Computer Science or related field

Tools

PostgreSQL

MongoDB

Vector databases

Job description

Fullerton Health Group is seeking an AI Engineer to join the Technology arm and deliver production-grade AI solutions for document processing and medical-claim adjudication. You will own data ingestion, model adaptation (finetuning/RAG) and GPU deployment across regions, ensuring reliability, security and performance.

You will work with product and operations teams to ship AI features, monitor models for accuracy, latency and safety, and strengthen defenses against threats in healthcare AI