Senior GenAI Applications Engineer (Production-Ready)

re-zoo-me; Singapore; Hybrid; SGD 140,000 - 180,000; Full time

Job summary

re-zoo-me is seeking a Senior GenAI Application Engineer in Singapore to lead production-grade GenAI projects across enterprise systems.

You will design, build, and operate GenAI applications using LangGraph, LangChain, RAG and agentic workflows, with a focus on reliability, observability, and maintainability.

The role requires deep backend skills in Python/Java, API integration, and the ability to deliver in a fast-moving enterprise environment.

Qualifications

• 6+ years of software engineering experience, focused on GenAI application development.
• Proven track record building production-grade GenAI applications, not prototypes.
• Hands-on experience with LangGraph, LangChain, RAG and agentic workflows.
• Experience integrating LLMs via APIs in enterprise environments.
• Strong backend skills in Python/Java and API design.

Responsibilities

• Build and improve production GenAI applications using LangGraph, LangChain or similar orchestration tools.
• Work with open weight models, hosted LLMs and model serving patterns.
• Develop agentic workflows, retrieval augmented generation, tool calling and prompt orchestration.
• Integrate GenAI apps with enterprise systems, APIs, data sources and platforms.
• Ensure production quality with logging, tracing, observability and reliability.
• Collaborate across application, data, platform, security and infra teams.

Skills

GenAI App Eng

LangGraph

LangChain

RAG

Agentic Workflows

Python

Java

APIs

Enterprise Integration

Job description

re-zoo-me is seeking a Senior GenAI Application Engineer in Singapore to lead production-grade GenAI projects across enterprise systems.

You will design, build, and operate GenAI applications using LangGraph, LangChain, RAG and agentic workflows, with a focus on reliability, observability, and maintainability.

The role requires deep backend skills in Python/Java, API integration, and the ability to deliver in a fast-moving enterprise environment.