Senior AI Lead Engineer — Production-Grade ML & LLM Systems

Codex Solutions; Singapore; On-site; SGD 150,000 - 190,000; Full time

Benefits offered by this job

Public sector projects

Supportive team culture

Career development

Cloud & DevSecOps tools

Job summary

Codex Solutions is seeking an experienced AI/ML Engineer to design, build, and deploy scalable AI solutions for public sector use cases in Singapore. You will work closely with software engineers to deliver production‑quality AI products powered by RAG, agentic AI, and multimodal techniques.

The role requires strong Python skills and hands‑on experience with Docker, Kubernetes, LangChain, and vector databases.

Qualifications

• Postgraduate/tertiary qualification in Computer Science, Computer Engineering, Data Science or related areas.
• Min. 6 years of software and AI engineering experience, including at least 3 years deploying production AI apps.
• Strong proficiency in Python with extensive experience developing production-quality software.
• Hands-on experience designing, developing, deploying and maintaining production AI/ML solutions.
• Experience with LangChain / LangGraph and open models such as Llama 4 and GPT OSS.
• Experience deploying AI apps using Docker and Kubernetes, with REST APIs.
• Experience with vector databases and model serving frameworks.
• Able to communicate complex technical concepts clearly to stakeholders.

Responsibilities

• Design, develop, integrate and optimise scalable AI/ML solutions for Home Team use cases.
• Handle data pre-processing, engineering and annotation for model training and development.
• Deploy AI products powered by AI/ML, RAG and agentic AI on Cloud Platform (GCC) or on-prem.
• Design and implement model evaluation, monitoring and performance optimisation.
• Develop and deploy risk mitigation measures and guardrails to meet regulatory standards.
• Collaborate with Product Management to translate product requirements into ML model specs.
• Provide technical advisory and review related technical articles to support decision making.
• Troubleshoot production AI issues and improve system reliability.

Skills

Python

Production AI

Docker

Kubernetes

LangChain

LangGraph

VectorDB

GCP

Model deployment

AI engineering

Education

CS/CE/Data Science

Tools

Docker

Kubernetes

LangChain

LangGraph

REST APIs

VectorDB

Job description

Codex Solutions is seeking an experienced AI/ML Engineer to design, build, and deploy scalable AI solutions for public sector use cases in Singapore. You will work closely with software engineers to deliver production‑quality AI products powered by RAG, agentic AI, and multimodal techniques.

The role requires strong Python skills and hands‑on experience with Docker, Kubernetes, LangChain, and vector databases.