Senior Software Engineer, Agentic AI

The role

You will build all aspects of Neo, an autonomous infrastructure engineering agent. This includes agent orchestration, tool interfaces, web experiences, and model orchestration and fine-tuning.

What you will do

• Build planning and execution systems for multi-step infrastructure operations across AWS, Azure, GCP, and Kubernetes
• Design tool interfaces for semantic understanding of cloud resources and engineering workflows
• Develop context systems to help Neo understand customer infrastructure patterns and usage
• Create feedback loops and self-correction mechanisms for autonomous operation
• Build evaluation frameworks to measure agent performance
• Work on the web interface for task assignment, progress visibility, and approval workflows
• Integrate Neo's capabilities into Pulumi's MCP Server
• Collaborate with platform teams to integrate agent capabilities into the CLI, SDKs, and Pulumi Cloud

Required qualifications

• Built production systems using LLMs, including experience with skill design, tool use, function calling, and multi-step orchestration
• Write production-grade Go
• Working proficiency in Python and TypeScript
• Communicate clearly and work well with a distributed team

Nice to have

• Experience with cloud infrastructure (AWS, Azure, GCP) or infrastructure-as-code tools
• Background in building developer tools, CLIs, or platform engineering systems
• Familiarity with container orchestration (Kubernetes, Docker)
• Experience building evaluation frameworks and benchmarks for AI systems
• Knowledge of prompt engineering, fine-tuning, MCP, or retrieval-augmented generation

Benefits

• Medical, dental, vision, and supplemental insurance at no cost to U.S. employees
• Unlimited PTO with a requirement to take at least three weeks off annually
• 13 U.S. holidays
• 401(k) plan with an employer match
• 20 weeks of paid leave for birthing parents or primary caregivers
• 16 weeks of paid leave for non-birthing parents or secondary caregivers
• Annual work from anywhere stipend
• Annual learning and development budget
• Equity ownership
• Monthly wellness fund
• Quarterly happiness fund

About the company

Pulumi is reimagining how teams build cloud software through programming languages, tools, and systems innovation. Founded in 2017, it serves over 3,250 customers with a global community of more than 350,000 members.