Backend Engineer, AI (Agent Systems)

BJAK· Remote (United States)

Posted October 29, 2026

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Experience
Not specified
Pay
Not disclosed
Education
Not specified
Location
Remote (United States)
Work mode
Remote
Job type
Full-time

About this role

BJAK/ActAI builds proactive AI-native applications that bring intelligence to everyday communication, tasks and workflows with minimal prompting for billions of non-expert users. The backend engineer owns the inference and orchestration layer powering every AI interaction.

What you will do

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

What the employer expects

  • 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

Skills

  • Python
  • Node.js
  • PyTorch
  • OpenAI
  • Anthropic
  • SQL
  • NoSQL
  • Kubernetes
  • Docker

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