Gen AI Engineer: LLM Apps, RAG & Vector DB

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

Benefits offered by this job

Competitive salary

Medical insurance

Learning culture and growth

Job summary

Aleph PTE. LTD. is seeking a Gen AI Engineer to design and build production-ready AI solutions that integrate enterprise data, APIs, and web apps.

You'll work on LLM/GenAI applications, RAG pipelines, vector databases, and agentic AI within a global team serving public sector, healthcare and regulated industries. The role emphasizes strong Python and FastAPI skills, frontend integration with React, and a focus on logging, security, and human-in-the-loop controls, with opportunities for

Qualifications

• Strong hands-on experience in Python.
• Experience building backend APIs with FastAPI.
• Hands-on experience with LLMs and Generative AI.
• Experience implementing RAG architectures.
• Experience with vector databases (Pinecone, Weaviate, Qdrant, Milvus, Chroma, pgvector).
• Experience with Agentic AI / AI agents (tool calling, orchestration).
• Experience with OpenAI, Azure OpenAI, Anthropic, Gemini or other LLM APIs.
• Good understanding of prompt engineering and semantic search.

Responsibilities

• Design and develop LLM and Generative AI applications using Python.
• Build scalable REST APIs and backend services with FastAPI.
• Develop RAG pipelines with enterprise documents and data.
• Design vector database solutions for semantic search and retrieval.
• Integrate LLMs, embeddings, APIs and enterprise data sources.
• Develop AI agents and agentic workflows with tool calling and orchestration.
• Build frontend components with React for AI-enabled UX.
• Implement prompt engineering, context management and guardrails for LLM apps.
• Ensure logging, monitoring, traceability, security and human-in-the-loop controls.

Skills

Python

FastAPI

LLM/GenAI

RAG

Vector DBs

Agentic AI

React

REST APIs

data integration

Tools

Pinecone

Weaviate

Qdrant

Milvus

Chroma

pgvector

OpenAI APIs

Job description

Aleph PTE. LTD. is seeking a Gen AI Engineer to design and build production-ready AI solutions that integrate enterprise data, APIs, and web apps.

You'll work on LLM/GenAI applications, RAG pipelines, vector databases, and agentic AI within a global team serving public sector, healthcare and regulated industries. The role emphasizes strong Python and FastAPI skills, frontend integration with React, and a focus on logging, security, and human-in-the-loop controls, with opportunities for