AI Engineer: LLM, RAG & Proactive Agent Systems

COMTECNOVA PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

COMTECNOVA PTE. LTD. in Singapore seeks a developer to own end-to-end LLM, RAG, and AI agent projects. You will design, build, and optimize LLM-based applications and AI assistants for enterprise use, ensuring secure patterns and high reliability. Strong Python and AI development skills are essential.

You will collaborate across product, cloud, data, and security teams to deliver practical AI solutions, deployable across hybrid environments with containerization and modern tooling.

Qualifications

• Bachelor’s degree or higher in CS/AI/ML or related field.
• At least 2 years in LLM apps, information retrieval, RAG, or AI development.
• Strong Python and backend programming skills.
• Hands-on with LLM APIs, embeddings, vector databases, and retrieval.
• Understanding of RAG architecture, prompts, and evals.
• Experience with tool calling, APIs, and backend integration.
• CI/CD, Git, documentation, and container deployment.
• Excellent communication with technical and non-technical stakeholders.

Responsibilities

• Design, develop, and improve LLM-based applications, RAG systems, AI assistants, and agentic AI solutions for product and enterprise use cases.
• Build proactive AI agents that understand requests, retrieve data, call tools, run workflows, and interact via text or voice.
• Develop core capabilities: document ingestion, retrieval, prompting, memory, and agent orchestration.
• Integrate AI agents with devices, databases, APIs, document repos, and third-party services.
• Evaluate technologies: LLMs, speech models, vector DBs, knowledge graphs, and agent frameworks.
• Define evaluation metrics for retrieval quality, faithfulness, latency, reliability, and safety.
• Implement secure AI patterns: access control, guardrails, monitoring, and failure handling.
• Lead AI projects end-to-end from use-case to deployment and improvement.
• Collaborate with product, software, cloud, data, IT, security, and business teams.

Skills

Python

LLM development

Information retrieval

NLP

RAG

AI agents

Backend services

Git CI/CD

Docker

Kubernetes

Education

Bachelor's degree in CS/AI/ML

Tools

LangChain

Qdrant

Milvus

Elasticsearch/OpenSearch

Docker

Kubernetes

Job description

COMTECNOVA PTE. LTD. in Singapore seeks a developer to own end-to-end LLM, RAG, and AI agent projects. You will design, build, and optimize LLM-based applications and AI assistants for enterprise use, ensuring secure patterns and high reliability. Strong Python and AI development skills are essential.

You will collaborate across product, cloud, data, and security teams to deliver practical AI solutions, deployable across hybrid environments with containerization and modern tooling.