Senior AI Systems Engineer: GenAI & Multi-Agent Apps

JOY CONSULTING PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

JOY CONSULTING PTE. LTD. in Singapore designs, builds, and operates production-grade agentic GenAI systems end to end. You will ship services, robust APIs, reusable components, and secure pipelines that connect LLMs, tools, knowledge, and enterprise systems.

You will pair strong software engineering with modern AI practices (RAG, agent orchestration, policy chains, evals) to deliver measurable business outcomes at scale.

Qualifications

• BS/MS in CS or related field.
• Hands-on with LLMs and agent apps.
• Experience building production-grade APIs.

Responsibilities

• Design MAS with planning, tool-use, and delegation exposed via APIs.
• Implement tool adapters with strict contracts and sandboxes.
• Build model gateway integrations with routing, retries, and fallbacks.
• Orchestrate workflows using LangChain or LlamaIndex for multi-step state.
• Enforce typed outputs with schemas; ensure safe prompts.

Skills

6+ years in software engineering

Python

TypeScript/Node.js

Go/Java

CI/CD & IaC

LLM & AI apps

LangChain / LlamaIndex

Tools

Postgres

Redis

S3/Blob

pgvector

Pinecone

Weaviate

OpenSearch

Terraform

Vault

Job description

JOY CONSULTING PTE. LTD. in Singapore designs, builds, and operates production-grade agentic GenAI systems end to end. You will ship services, robust APIs, reusable components, and secure pipelines that connect LLMs, tools, knowledge, and enterprise systems.

You will pair strong software engineering with modern AI practices (RAG, agent orchestration, policy chains, evals) to deliver measurable business outcomes at scale.