Staff Engineer, AI
Atlanta, GA, United States On-site
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About the role
At Sema4.ai , we’re building an Enterprise AI Agent platform that fundamentally changes how knowledge work gets done—by enabling people and AI agents to collaborate in durable, trustworthy ways. As a Staff Engineer on the AI team , you’ll design, build, and extend Sema4.ai ’s cognitive architectures —the core platform at the center of our agents. You’ll blend cutting-edge AI research with production-grade rigor to deliver high-leverage capabilities to the agents our customers build daily. This is an early, high-impact role. You’ll be building foundational infrastructure in a fast-moving environment where decisions matter and tradeoffs are real. We’re looking for engineers who are comfortable operating with ambiguity, but who bring rigor, taste, and strong technical judgment to everything they build.
What you'll bring
- 7+ years of software engineering experience, including 2+ years building AI/ML systems in production
- Deep experience with backend systems in Python, including performance, observability, and reliability concerns
- Hands-on experience designing and operating LLM-based systems (agents, orchestration, retrieval, tools, etc.)
- Strong communication skills: whether you’re talking to colleagues, customers, or machines, you communicate clearly, concisely, and collaboratively
- A high-ownership mindset: you care deeply about the systems you build, and you take responsibility for their long-term health