Senior Software Engineer, AI & Infrastructure Planning

Job Description

We're seeking a Senior Software Engineer to join our AI & Infrastructure Planning team at Cloudflare. You'll help build, deploy, and operate one of the world's largest distributed networks, focusing on creating an auditable multi-agent system to replace notebooks and email threads with agent-driven forecasts, supply plans, cost models, and workflow approvals.

Responsibilities

• Collaborate with capacity planning, networking, and data center engineering teams to encode technical domain expertise into structured specifications, formal data contracts, and agent functional capabilities.
• Architect, deploy, and maintain scalable production agents and durable workflows using Cloudflare Workers ecosystem, including Durable Objects, Workflows, D1, R2, Queues, Vectorize, Workers AI, and AI Gateway.
• Translate core infrastructure planning functions into automated LLM deployment or deterministic logic-based agent workflows designed for critical decision-making analysis.
• Implement rigorous risk tiering, formal approval checkpoints, detailed audit logs, and execution lineage to ensure safe autonomous operations.
• Incorporate predictive statistical and machine learning models into agent systems, establishing robust BigQuery data pipelines, optimized access patterns, and continuous monitoring.
• Author comprehensive technical specifications and Requests for Comments (RFCs), perform peer design reviews, and establish architectural standards for AI agent deployment across the organization.

Desirable Skills, Knowledge, and Experience

• Senior-level software engineering experience with security-conscious production systems.
• Strong TypeScript skills and comfort building on serverless or edge runtimes (Cloudflare Workers preferred).
• Experience with LLMs and agents, durable state and workflows, and infrastructure planning.
• Solid data skills: SQL, a cloud data warehouse (BigQuery preferred), and working knowledge of forecasting and statistical modeling.
• Clear written communication: specs, RFCs, and explanations that planners and executives can use.

Compensation

• Estimated annual salary of €66,000-€91,000 for Portugal-based hires.

Equity

• This role is eligible to participate in Cloudflare's equity plan.

Benefits

• Health & Welfare Benefits: Medical/Rx Insurance, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Commuter Spending Accounts, Fertility & Family Forming Benefits, On-demand mental health support and Employee Assistance Program, Global Travel Medical Insurance.
• Financial Benefits: Short and Long Term Disability Insurance, Life & Accident Insurance, 401(k) Retirement Savings Plan, Employee Stock Participation Plan.
• Time Off: Flexible paid time off covering vacation and sick leave, Leave programs, including parental, pregnancy health, medical, and bereavement leave.