Senior GenAI Engineer – Production-Grade AI Apps

UOB

Singapore

On-site

SGD 120,000 - 180,000

Full time

14 days+
Application generator

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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.

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