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Grab

On-demand parcel delivery in Southeast Asia

Lead AI Analytics Engineer - Trust & Safety

AI Application Engineering +1Confirmed live in the last 24 hours
Full-timeSingaporeNo salary listedIn-person

About the Job

Requirements

  • At least 6 years of experience in data-heavy systems, backend engineering, applied machine learning, or a related field.
  • A Bachelor's degree or higher in Computer Science, Data Engineering, Analytics, Software Engineering, or a related quantitative field.
  • Deep technical proficiency in Python, backend system architecture, and building secure APIs.
  • Strong foundational data engineering expertise, including data structures, pipelines, extract, transform, and load (ETL), vectorization, and embeddings.
  • Hands-on experience deploying and orchestrating large language models using modern frameworks such as LangSmith and LangGraph.
  • Fluency in Trust & Safety or fraud domain context is a strong plus; openness to learning the domain and experimenting with new technology is required.

Responsibilities

  • Build and optimize AI data ingestion pipelines, including vector databases, embeddings generation, and parsing unstructured data such as Slack logs and historical investigations to enrich the agent knowledge base.
  • Design, deploy, and maintain end-to-end multi-agent systems using orchestration frameworks such as LangChain, LangSmith, and LangGraph to automate complex risk detection workflows.
  • Implement automated code-level intercepts, including Abstract Syntax Tree parsers and EXPLAIN query cost evaluations, to block hallucinated or destructive AI-generated SQL or rules before they reach production.
  • Build tenant-owned Model Context Protocol servers and restricted API wrappers that enable AI agents to interact safely with the core Risk Engine without compromising platform stability.
  • Own technical stability, latency optimization, including resolving deep asyncio blocking bugs, and token-cost efficiency of internal agent platforms.
  • Partner with domain-expert Data Analysts to translate Trust & Safety knowledge into structured, machine-readable formats and scalable agentic skills.

Desired Qualifications

  • Experience building and transitioning legacy, pre-large-language-model systems into modern AI infrastructures.

About the Company

Grab

On-demand parcel delivery in Southeast Asia

Grab operates a range of services in Southeast Asia, including ride-hailing, food delivery, and logistics. Its GrabExpress on-demand parcel delivery lets customers and businesses send documents and packages through the Grab app, with real-time tracking, options for up to 10 concurrent deliveries, and islandwide coverage (with some restricted areas). The service relies on a large network of delivery partners and charges fees based on distance, time, and item type. Its advantage comes from offering an integrated, all-in-one platform for transportation, meals, and parcel delivery to support the region’s growing e-commerce and urban activity.

Company size
10,001+
Company stage
IPO
Headquarters
Singapore, Singapore
Founded
2012

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