Agentic AI Architect – RAG & Multi-Agent Systems

NCS Pte Ltd; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NCS Pte Ltd is seeking an AI Developer to lead the intelligent layer of our enterprise system, focusing on agentic reasoning and reliable, secure AI agents for complex workflows.

You will design stateful multi-agent networks using LangGraph/LangChain, build high-precision RAG pipelines, and deploy AI microservices in OCI/OpenShift environments, collaborating across software, data, and security teams to deliver high-impact AI capabilities.

Qualifications

• Expert in Python for asynchronous AI applications.
• Mastery of LangGraph and LangChain for building production-grade, stateful systems with human-in-the-loop verification patterns.
• Proven success in developing RAG capabilities, including chunking strategies, query expansion, re-ranking, hybrid search.
• Deep hands-on experience with vector DB, graph DB, NoSQL, and RDBMS.
• Experience building guardrails to mitigate risks such as prompt injection and data leakage.
• Experience integrating AI evaluation into CI/CD pipelines (e.g., Jenkins, GitLab CI).
• Experience serving AI agents via FastAPI, packaging and deploying in OCI-compliant environments and OCP.
• Proficiency in AI tracing, observability, and logging tools to identify bottlenecks.
• Experience implementing semantic caching and designing for parallel LLM invocation.
• Knowledge of prompt engineering and context engineering techniques.

Responsibilities

• Agentic AI Architecture & Development: Design and implement stateful multi-agent networks and/or workflows using LangGraph and LangChain.
• Architect and implement multi-layered guardrails to ensure agent actions remain within business scope, enterprise safety and policy boundaries.
• Build guardrails to mitigate risks such as prompt injection and data leakage.
• Develop sophisticated reasoning engines capable of handling complex, high-consequence autonomous workflows.

Skills

Python (async)

LangGraph

LangChain

RAG development

Vector DB

Graph DB

NoSQL

RDBMS

Guardrails

CI/CD pipelines

FastAPI

OCI

OCP

AI tracing

observability

semantic caching

parallel LLM invocation

prompt engineering

context engineering

Tools

LangGraph

LangChain

FastAPI

OCI

OCP

Jenkins

GitLab CI

Vector DB

Graph DB

NoSQL

RDBMS

Job description

NCS Pte Ltd is seeking an AI Developer to lead the intelligent layer of our enterprise system, focusing on agentic reasoning and reliable, secure AI agents for complex workflows.

You will design stateful multi-agent networks using LangGraph/LangChain, build high-precision RAG pipelines, and deploy AI microservices in OCI/OpenShift environments, collaborating across software, data, and security teams to deliver high-impact AI capabilities.