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.