Senior Software Engineer, AI & Infrastructure Planning

Cloudflare · Hybrid · €66,000-€91,000 · hybrid 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.