AI Backend Engineer — Low-Latency, Scalable Inference

ActAI; Singapore; On-site; SGD 120,000 - 210,000; Full time

Job summary

ActAI is seeking a Backend Engineer, AI to own the inference and orchestration layer powering AI interactions in our product. You will build fast, reliable APIs that run between models and clients, ensuring low latency and clear interfaces.

You will ship production systems and improve observability in a fast-paced environment. Based in Singapore, you will join a small, high-talent team focused on practical AI at scale, collaborating with ML researchers and frontend engineers to deliver reliable

Qualifications

• Experience running high-throughput, low-latency services.
• Familiarity with AI inference patterns (LLMs, embeddings, multimodal).
• Bias toward shipping and learning from production behavior.

Responsibilities

• Build and operate backend systems that serve AI-powered features in production.
• Design inference pipelines, orchestration layers, and service boundaries around models.
• Own production concerns: monitoring, logging, alerting, and incident response.
• Optimize latency and throughput across inference, caching, batching, and streaming.

Skills

Python

NodeJs

Pytorch

LLMs

SQL

NoSQL

Docker

Tools

Docker

Job description

ActAI is seeking a Backend Engineer, AI to own the inference and orchestration layer powering AI interactions in our product. You will build fast, reliable APIs that run between models and clients, ensuring low latency and clear interfaces.

You will ship production systems and improve observability in a fast-paced environment. Based in Singapore, you will join a small, high-talent team focused on practical AI at scale, collaborating with ML researchers and frontend engineers to deliver reliable