Lead AI Agent Engineer, Consumer AI

Grab; Singapore; On-site; SGD 80,000 - 120,000; Full time

Job summary

A leading superapp company in Singapore is seeking a Lead AI Agent Engineer to design and develop intelligent Agent systems. This role requires strong expertise in Python and Go, and involves collaborating with product and design teams to enhance user experiences across the platform. Passion for generative AI and experience with AI Agent frameworks is essential. Offering a robust benefits package that includes comprehensive medical insurance and flexible work arrangements.

Benefits

Term Life Insurance

Comprehensive Medical Insurance

FlexWork arrangements

Parental and Birthday leave

Grabber Assistance Programme

Qualifications

• 5+ years of professional programming experience.
• Proven expertise in Python and Go.
• Experience with RAG pipelines and vector databases.

Responsibilities

• Design and implement core AI Agent modules.
• Optimize Agent performance with prompt engineering.
• Build and maintain retrieval-augmented generation pipelines.

Skills

Python

Go

AI Agent frameworks (LangChain, LangGraph)

System design

Generative AI

Tools

Microservices

Databases

Caching

Message queues

React

Flutter

Web

Job description

Company Description

About Grab and Our Workplace

Grab is Southeast Asia's leading superapp. From getting your favourite meals delivered to helping you manage your finances and getting around town hassle-free, we've got your back with everything. In Grab, purpose gives us joy and habits build excellence, while harnessing the power of Technology and AI to deliver the mission of driving Southeast Asia forward by economically empowering everyone, with heart, hunger, honour, and humility.

Job Description

Get to Know the Team

The Business Platform team at Grab is building the next generation of AI-powered products for our consumers. We focus on applying large language models and agent technologies to enhance user experiences across Grab's ecosystem. The team values innovation, fast iteration, and a strong sense of ownership. Joining us means you'll be part of a group driving Grab's transformation into an AI-driven company.

Get to Know the Role

As a Lead AI Agent Engineer in Consumer AI, you will design and develop intelligent Agent systems that power consumer-facing features and take the ownership and leadership in AI Agent development. You will work on both AI prototypes and production‑grade systems, leveraging Python for model‑driven components and Go for backend microservices. You will collaborate closely with product, design, and platform teams to bring AI capabilities into real‑world applications.

You will report to the Head of Engineering and work onsite at Grab Office.

The Critical Tasks You Will Perform

• Design and implement core AI Agent modules, including dialogue orchestration, tool invocation, and memory/state management.
• Optimize Agent performance with prompt engineering, LangChain, and LangGraph, ensuring reliable and efficient execution.
• Build and maintain retrieval‑augmented generation (RAG) pipelines with vector databases and caching for large‑scale deployment.
• Rapidly prototype and validate new consumer AI features, iterating from concept to proof‑of‑value.
• Drive architectural decisions for large‑scale Agent systems, ensuring reliability, scalability, and efficient orchestration.
• Define and implement evaluation benchmarks and automated pipelines to measure Agent performance across accuracy, latency, robustness, and user satisfaction.
• Work closely with Product Managers and Researchers to validate new consumer AI features and ensure practical business impact.

Qualifications

What Essential Skills You Will Need

• 5+ years of professional programming experience, with proven expertise in both Python and Go.
• Proven expertise in AI Agent frameworks (LangChain, LangGraph) and experience with RAG pipelines and vector databases.
• Solid foundation in backend technologies: microservices, databases, caching, and message queues.
• Excellent system design capabilities with high standards for code quality and scalability.
• Strong ownership mindset with the ability to work independently in fast‑paced environments.
• Passion for generative AI, emerging research into practical applications.
• Frontend skills (React/Flutter/Web) to build lightweight AI prototyping and evaluation tools will be an advantage.

Additional Information

Life at Grab

We care about your well‑being at Grab, here are some of the global benefits we offer:

• We have your back with Term Life Insurance and comprehensive Medical Insurance.
• With GrabFlex, create a benefits package that suits your needs and aspirations.
• Celebrate moments that matter in life with loved ones through Parental and Birthday leave, and give back to your communities through Love-all-Serve-all (LASA) volunteering leave
• We have a confidential Grabber Assistance Programme to guide and uplift you and your loved ones through life's challenges.
• Balancing personal commitments and life's demands are made easier with our FlexWork arrangements such as differentiated hours

What We Stand For at Grab

We are committed to building an inclusive and equitable workplace that enables diverse Grabbers to grow and perform at their best. As an equal opportunity employer, we consider all candidates fairly and equally regardless of nationality, ethnicity, religion, age, gender identity, sexual orientation, family commitments, physical and mental impairments or disabilities, and other attributes that make them unique.