Senior Software Engineer, AI & Infrastructure Planning

Cloudflare

. Build, deploy, and operate systems supporting one of the world's largest distributed networks .

Posted 11/5/2026full-timeLisbon • PortugalSenior💰 €66,000 - €91,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building and deploying scalable systems on Cloudflare's platform, with a strong focus on TypeScript, SQL, and machine learning integration. Proficient in collaborating across teams to automate workflows and establish architectural standards for AI agent deployment.

Highest-signal resume keywords

Senior-Level Software Engineering ExperienceStrong TypeScript ProficiencyExperience with LLMs and AgentsSolid Data Skills: SQL and BigQueryInfrastructure Planning Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

TypeScriptSQLMachine LearningCloudflare WorkersDurable ObjectsData ModelingCapacity PlanningPredictive Statistical ModelsHTTP APIsAsynchronous Programming

Soft Skills

Clear Written Communication

Tools & Technologies

BigQueryGitLab CITerraformCloudflare WorkflowsOpenAPIReactAstroHonoZodLangGraph

Industry Keywords

Distributed NetworksCapacity PlanningForecastingNetworkingCDNCloud Data WarehouseAudit LogsAgent FrameworksInfrastructure as CodeBGP

Tech Stack

Tools & technologies

BigQueryCloudPythonReactSQLTerraformTypeScript

About the role

Key responsibilities & impact

Build, deploy, and operate systems supporting one of the world's largest distributed networks
Build an auditable multi-agent system on Cloudflare’s platform for forecasts, supply plans, cost models, and workflow approvals
Collaborate with capacity planning, networking, and data center engineering teams
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 the Cloudflare Workers ecosystem
Automate forecasting, supply planning, cost modeling, narrative documentation, and executive approvals into agent workflows
Implement risk tiering, formal approval checkpoints, detailed audit logs, and execution lineage
Incorporate predictive statistical and machine learning models into agent systems
Establish BigQuery data pipelines, optimized access patterns, and continuous monitoring
Author technical specifications and RFCs, perform peer design reviews, and establish architectural standards for AI agent deployment

Requirements

What you’ll need

Senior-level software engineering experience, with security conscious production systems you can point to (repos, releases, services you operated)
Strong TypeScript, and comfort building on serverless or edge runtimes (Cloudflare Workers preferred)
HTTP APIs, async, queues, performance
Experience with LLMs and agents: tool calling, structured output, multi-step or multi-agent orchestration, prompt and eval iteration
Experience with durable state and workflows (Durable Objects, Cloudflare Workflows, or equivalents)
Demonstrated experience in infrastructure planning: capacity planning, forecasting, networking, CDN, cloud or data center capacity, or adjacent work
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
Bonus: data science or ML background and Python for scientific computing
Bonus: experience with Hono, Zod, OpenAPI, Astro or React
Bonus: experience with peering, BGP, ASN and IX data, backbone or transit planning, or colo, power, and procurement planning
Bonus: experience with agent frameworks such as LangGraph, Autogen, and A2A
Bonus: CI/CD and infrastructure as code, including GitLab CI and Terraform
Bonus: experience building LLM evaluation frameworks or human-review workflows

Benefits

Comp & perks

Equity plan participation
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
Short and Long Term Disability Insurance
Life & Accident Insurance
401(k) Retirement Savings Plan
Employee Stock Participation Plan
Flexible paid time off covering vacation and sick leave
Leave programs, including parental, pregnancy health, medical, and bereavement leave