Senior GenAI Engineer – Production-Grade AI Apps

UOB; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

United Overseas Bank Limited (UOB) in Singapore is seeking a Senior GenAI Application Engineer who operates at the intersection of software engineering, GenAI application development and enterprise integration.

This role focuses on building production-grade GenAI applications using LangGraph, LangChain and modern orchestration patterns, while integrating with enterprise APIs and data sources to deliver reliable, observable solutions for real users in a complex banking environment.

Qualifications

• Six or more years of software engineering experience.
• Proven experience building production-grade GenAI applications.
• Strong hands-on experience with LangGraph, LangChain or similar orchestration frameworks.
• Practical understanding of RAG, agentic workflows, tool calling, prompt orchestration and context management.
• Experience integrating LLMs into real applications using APIs, backend services and enterprise data sources.
• Experience with open-weight models or strong interest backed by hands-on experimentation.
• Strong backend engineering skills using Python, Java or similar languages.
• Good understanding of API design, distributed systems and production resilience patterns.
• Experience with observability, logging, tracing and troubleshooting for GenAI or backend applications.
• Familiarity with containerised deployment environments such as Kubernetes or OpenShift.
• Ability to write clean, maintainable and testable code.
• Strong analytical, debugging and troubleshooting skills.
• High ownership, high curiosity and genuine interest in building useful AI products.
• Ability to work in a fast-moving environment with incomplete information and evolving requirements.
• Strong communication skills, with the ability to challenge weak designs and coordinate across business, application, data, infrastructure and security teams.

Responsibilities

• Build and improve GenAI applications using LangGraph, LangChain and orchestration patterns.
• Integrate GenAI apps with enterprise systems, APIs, data sources and platforms.
• Engineer production-quality solutions with logging, tracing, evaluation and fallback behaviour.
• Develop agentic workflows, retrieval-augmented generation, tool calling and prompt orchestration.
• Collaborate across application, data, platform, security and infrastructure teams.

Skills

GenAI application dev

LangGraph

LangChain

Open-weight models

API integration

Python/Java

Observability

Production engineering

Tools

Kubernetes

OpenShift

Redis

vLLM

LangGraph

Job description

United Overseas Bank Limited (UOB) in Singapore is seeking a Senior GenAI Application Engineer who operates at the intersection of software engineering, GenAI application development and enterprise integration.

This role focuses on building production-grade GenAI applications using LangGraph, LangChain and modern orchestration patterns, while integrating with enterprise APIs and data sources to deliver reliable, observable solutions for real users in a complex banking environment.