Bjakcareer

Full Stack Engineer, AI systems

Portugal, Remote. Posted 7 days ago

The role

This person will build the product layer to turn AI capabilities into production-grade workflows. They will design agent workflows, integrate LLMs, and build end-to-end product features across frontend, backend, and AI integrations.

What you will do

  • Build end-to-end product features across frontend, backend, and AI integrations
  • Design agent workflows that handle planning, tool use, failure, and recovery
  • Integrate LLMs, memory, and external tools into systems
  • Design real-time AI interactions with streaming and tight latency constraints
  • Improve system reliability, observability, and fallback mechanisms
  • Collaborate closely with ML, backend, and product teams
  • Continuously iterate based on real usage and failure modes
  • Own and ship AI-native product features
  • Design and deploy agent workflows that complete multi-step tasks
  • Reduce latency and improve responsiveness of AI interactions

Required qualifications

  • Strong experience in full stack engineering (frontend + backend)
  • Solid understanding of system design and API architecture
  • Ability to handle ambiguity and make pragmatic engineering decisions
  • Strong ownership - able to take features from idea to production
  • Comfort working in fast-moving environments with evolving requirements

Nice to have

  • Experience working with LLMs, RAG systems, or AI-powered applications

About the company

Actai aims to build proactive applications for anyone in the world with minimal to no prompting. Their first application is an agent-first mobile communication app.

Full Stack Engineer, AI systems at Bjakcareer | JobZoey