Full-Stack AI Systems Engineer — Build Proactive Workflows

Bjak; Germany (OH); On-site; USD 110,000 - 170,000; Full time

Job summary

Bjak is hiring a Full Stack Engineer - AI Systems to build product layers that turn AI capabilities into usable, production-grade workflows. You will design how agents operate, fail, recover, and deliver consistent value to users.

Join a team focusing on end-to-end features, integrating LLMs, memory, and external tools, with emphasis on real-time AI interactions, system reliability, and low latency.

Qualifications

• Experience in full stack development across frontend and backend.
• Experience with LLMs, RAG, or AI-powered applications.
• Ability to handle ambiguity and pragmatic engineering decisions.
• Strong ownership and production-grade delivery mindset.
• Comfort working in fast-moving environments with evolving requirements.

Responsibilities

• Build end-to-end product features across frontend, backend, and AI integrations.
• Design agent workflows that handle planning, tool use, failure, and recovery across multiple steps.
• Integrate memory and external tools into reliable systems.
• Design real-time AI interactions with streaming, partial results, and tight latency constraints.
• Improve system reliability, observability, and fallback mechanisms.
• Collaborate closely with ML, backend, and product teams to ship features end-to-end.
• Continuously iterate based on real usage and failure modes.

Skills

Full stack

System design

LLMs / AI systems

API architecture

Ownership

Fast-paced environment

Tools

Next.js

Python

NodeJs

Pytorch

OpenAI / Anthropic / LLMs

SQL & noSQL

Kubernetes

Docker

Job description

Bjak is hiring a Full Stack Engineer - AI Systems to build product layers that turn AI capabilities into usable, production-grade workflows. You will design how agents operate, fail, recover, and deliver consistent value to users.

Join a team focusing on end-to-end features, integrating LLMs, memory, and external tools, with emphasis on real-time AI interactions, system reliability, and low latency.