Senior AI Engineer - Agent Infrastructure & Safety

Workday Sweden Aktiebolag; Stockholms kommun; On-site; SEK 1,200,000 - 1,800,000; Full time

Job summary

Sana, an AI lab within Workday, is building the core agent infrastructure to bring superintelligence to work. You’ll design and implement systems that plan, reason, and execute across enterprise contexts, focusing on architecture, tool routing, and production-grade infra.

Join a product-focused, engineering-heavy team redefining AI agents with safety guarantees, latency/ cost controls, and robust error handling in a greenfield setting.

Qualifications

• 3+ years of software engineering experience building production backend or platform systems.
• 3+ years of experience in TypeScript, with reliable, maintainable services.
• 3+ years of experience designing scalable, observable systems.
• Experience with distributed systems, APIs, and service-oriented architectures.

Responsibilities

• Architect multi-step planning, orchestration, and tool routing for agents.
• Implement code generation agents and sandboxed code execution.
• Engineer memory, state, and context packing/ grounding strategies.
• Balance latency, quality, and cost controls for agent execution.
• Develop safe fallbacks and robust error handling.

Skills

TypeScript

Distributed systems

APIs

Scalability

Observability

Tools

Kubernetes

PostgreSQL

Redis

Modal

Langfuse

LangSmith

Job description

Sana, an AI lab within Workday, is building the core agent infrastructure to bring superintelligence to work. You’ll design and implement systems that plan, reason, and execute across enterprise contexts, focusing on architecture, tool routing, and production-grade infra.

Join a product-focused, engineering-heavy team redefining AI agents with safety guarantees, latency/ cost controls, and robust error handling in a greenfield setting.