Backend Engineer, AI (Agent Systems)

Stack

Responsibilities

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

Requirements

• ▹Strong backend engineering fundamentals in production environments
• ▹Experience running high-throughput, low-latency services
• ▹Familiarity with AI inference patterns (LLMs, embeddings, multimodal)
• ▹Comfortable debugging distributed systems under load
• ▹Bias toward shipping and learning from production behavior
• ▹Tech stack: Python, Node.js, PyTorch, OpenAI/Anthropic and open-source LLMs, SQL & NoSQL, Kubernetes, Docker

Soft skills

About the company

ActAI aims to build proactive, AI-native applications for the 5 billion users who currently rely on non-AI-native basic apps (email, notes, tasks, calendar), with minimal prompting.