Software Engineer - AI Agent Infrastructure

We're seeking a talented Software Engineer to join our AI lab, Sana, building superintelligence for work. You'll work on the core agent infrastructure that powers Sana's mission to bring superintelligence to work. This is a greenfield opportunity to define how AI agents plan, reason, and execute across enterprise environments.

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, graceful degradation and robust error handling
• Collaborate with platform and search teams to deliver reusable agent infrastructure
• Establish safety guarantees and measurable quality improvements

Requirements:

• 3+ years of software engineering experience building production backend or platform systems
• 3+ years of experience in TypeScript, with a strong track record of writing reliable, maintainable services
• 3+ years of experience with distributed systems, APIs, asynchronous workflows, and service-oriented architecture
• 3+ years of experience designing systems with a focus on scalability, reliability, observability, and maintainability

Nice to Have:

• Experience building and deploying LLM-powered applications in production
• Experience building agent platforms or AI infrastructure
• Deep understanding of the low-level details of the OpenAI, Google, and Anthropic LLM APIs
• Familiarity with LLM application patterns, including tool calling, retrieval-augmented generation (RAG), memory and context management, multi-step orchestration, and human-in-the-loop systems

What We Offer:

• Competitive salary: kr810,000 SEK - kr1,214,000 SEK per year
• Comprehensive benefits package
• Flexible work arrangements: spend at least half (50%) of your time each quarter in the office or in the field

Equal Opportunity Employer: Workday is an Equal Opportunity Employer including individuals with disabilities and protected veterans.