Senior Software Engineer - Agentic Discovery (Equity)

Cloudflare, Inc.; Lisboa; Hybrid; EUR 66,000 - 91,000; Full time

Job summary

Cloudflare, Inc. is seeking a Senior Software Engineer for its Agentic Discovery team in Lisbon or London (hybrid).

You will define architecture, core protocols, and multi-team standards powering agent-web interactions, mentoring engineers across Cloudflare and shaping product roadmaps. You will drive engineering excellence across edge infrastructure, data pipelines, and API layers, ensuring resilient systems and reduced complexity for peers.

Qualifications

• Experience designing scalable system architecture and setting performance metrics in a distributed environment.
• Experience writing technical specifications and leading cross-functional technical initiatives to completion.
• Deep understanding of HTTP, APIs, proxies, caching, web security, and performance bottlenecks spanning multi-service architectures.
• Hands-on experience and deep conceptual understanding of AI agents, tool calling, MCP, or agent harnesses.
• Ability to partner with product managers and customers to navigate ambiguous problem spaces and iteratively deliver large-scale architecture.
• Experience mentoring junior and mid-level engineers, contributing to hiring, and driving improvements to engineering processes and incident response workflows.

Responsibilities

• Architect and ship high-throughput, resilient production services that make web properties Readable, Discoverable, and Callable for autonomous agents.
• Define emerging agent protocols and integrations (MCP, MCP Apps, UCP, MPP, WebMCP). Author architectural specifications and technical designs.
• Partner directly with Product Management, customers and stakeholders to translate customer needs into technical requirements, clarify KPIs, and shape roadmaps.
• Drive improvements in system health and observability. Lead incident responses and retrospectives, and rearchitect systems to reduce failure modes.
• Elevate the engineering process through code reviews, mentorship, architectural governance, and hiring evaluations.

Skills

System architecture

Distributed systems

APIs & security

AI agents

Mentoring engineers

Job description

Cloudflare, Inc. is seeking a Senior Software Engineer for its Agentic Discovery team in Lisbon or London (hybrid).

You will define architecture, core protocols, and multi-team standards powering agent-web interactions, mentoring engineers across Cloudflare and shaping product roadmaps. You will drive engineering excellence across edge infrastructure, data pipelines, and API layers, ensuring resilient systems and reduced complexity for peers.