AI Solutions Engineer: LLMs, RAG & AI Agents

NXERA SG PTE. LTD.; Singapore; On-site; SGD 120,000 - 190,000; Full time

Job summary

NXERA SG PTE. LTD. in Singapore seeks an AI Solutions Engineer to design, build and deploy enterprise AI solutions using LLMs, RAG and AI Agents.

You will translate business requirements into practical AI solutions, develop reusable prompt workflows and ensure secure, scalable AI experiences across enterprise systems.

Collaborate with product and engineering teams to deliver results, support demonstrations and produce clear technical documentation for production rollout.

Qualifications

• Bachelor's degree in CS, AI, Data Science or related field.
• 3–5 years of software engineering experience with Python.
• Hands-on experience building LLM applications, AI Agents or RAG solutions.
• Experience with LangChain, LangGraph, LlamaIndex or similar AI frameworks.
• Experience integrating APIs, databases and enterprise systems.
• Knowledge of vector databases and prompt engineering.
• Experience with Git, CI/CD and container technologies.

Responsibilities

• Design, develop and deploy AI agents using LLMs, RAG and prompt engineering.
• Build scalable AI workflows that automate enterprise business processes.
• Translate business requirements into practical AI solutions.
• Develop reusable prompt workflows, tool-calling capabilities and structured outputs.
• Build and optimize RAG pipelines connected to approved enterprise knowledge sources.
• Improve retrieval quality through chunking, embeddings, indexing and metadata strategies.
• Maintain trusted knowledge bases and ensure source-grounded AI responses.
• Integrate AI applications with enterprise systems, APIs, databases and internal platforms.
• Develop secure tool-calling capabilities and support deployment into production.
• Monitor and optimize AI application performance.
• Design evaluation frameworks to measure response quality, retrieval accuracy and hallucination risks.
• Optimize prompts, guardrails and model performance.
• Support governance, version control and human-in-the-loop review processes.
• Partner with product, engineering and business teams to deliver AI solutions.
• Support demonstrations, UAT, production rollout and technical documentation.
• Communicate technical concepts clearly to technical and non-technical stakeholders.

Skills

Python

LLM applications

RAG pipelines

Prompt engineering

API integration

LangChain

Vector databases

DevOps

Production deployment

Education

Bachelor's degree in CS/AI

Tools

LangChain

LlamaIndex

Ollama

Git

CI/CD

Containers

APIs

Job description

NXERA SG PTE. LTD. in Singapore seeks an AI Solutions Engineer to design, build and deploy enterprise AI solutions using LLMs, RAG and AI Agents.

You will translate business requirements into practical AI solutions, develop reusable prompt workflows and ensure secure, scalable AI experiences across enterprise systems.

Collaborate with product and engineering teams to deliver results, support demonstrations and produce clear technical documentation for production rollout.