AI Platform Engineer - Backend & APIs

YTL AI Labs; Kampung Malaysia Tambahan; On-site; MYR 120,000 - 240,000; Full time

Job summary

YTL AI Labs is seeking a Backend Platform Engineer to design and build reusable AI capabilities powering our AI-enabled products. The role emphasizes API design, system-level optimization, and turning cutting-edge AI workflows into developer-friendly infrastructure.

You will design services for RAG, memory APIs, agent orchestration, and prompt workflows, build libraries and SDKs, and collaborate with product engineers to drive performance and reliability.

Qualifications

• 3+ years of software engineering experience, with focus on backend systems or developer platforms.
• Proficiency in Python and experience with FastAPI or similar frameworks.
• Familiarity with LLM APIs (e.g., OpenAI, Anthropic), vector search (Milvus, Weaviate, pgvector), and RAG logic.
• Experience building internal libraries, services, or APIs used across teams.

Responsibilities

• Designing and maintaining services for RAG, memory APIs, agent orchestration, and prompt workflows
• Building APIs and SDKs that abstract away LLM provider specifics and enable easy integration
• Supporting AI Product Engineers and researchers to tune for performance, reliability, and usability
• Following production-grade practices with observability, test coverage, and documentation

Skills

Python

FastAPI

LLM APIs

Vector search

RAG

Tools

Milvus

Weaviate

pgvector

Job description

YTL AI Labs is seeking a Backend Platform Engineer to design and build reusable AI capabilities powering our AI-enabled products. The role emphasizes API design, system-level optimization, and turning cutting-edge AI workflows into developer-friendly infrastructure.

You will design services for RAG, memory APIs, agent orchestration, and prompt workflows, build libraries and SDKs, and collaborate with product engineers to drive performance and reliability.