Senior Backend Engineer, AI Platform

What You'll Get to Do:

• Build the application-layer foundations for AI integration at Roofr — the integration patterns, agent scaffolding, and shared architecture that product teams depend on when shipping AI-powered features
• Design and implement reliable, scalable integrations with third-party services and APIs
• Build data pipelines that feed Roofr's AI systems — including structured data feeds, embeddings, and retrieval infrastructure
• Design and maintain rigorous evaluation frameworks for AI systems — including accuracy benchmarks, regression suites, and automated quality checks that give the team confidence to iterate quickly
• Collaborate horizontally across engineering teams to understand needs, establish shared patterns, and ensure the platform is built for real use cases
• Take strong ownership of what you build — reliability, performance, and developer experience are part of the job, not an afterthought
• Contribute to standards and best practices for how Roofr builds with AI
• Stay close to the evolving AI landscape and bring pragmatic, well-reasoned ideas to the team

What You'll Bring to the Role:

• 5–8 years of backend software development experience
• Practical, production experience building AI-powered systems — you've shipped agents, integrations, or LLM-powered features at scale
• Hands-on familiarity with LLM APIs and agent frameworks (e.g. Anthropic Claude, OpenAI, LangChain, or similar)
• Experience building evaluation pipelines for LLM-powered systems — you understand why 'it seems to work' isn't good enough and have built the tooling to prove it
• Strong integration engineering background — you know how to design reliable connectors to external services that hold up in production
• Experience building data pipelines for AI use cases, including familiarity with RAG, embeddings, and vector search
• A track record of building backend systems that scale — you care about architecture, not just shipping
• Experience with PHP/Laravel is an asset; what matters most is deep backend engineering fundamentals and the ability to ramp on a stack
• Strong sense of ownership — you don't wait to be told when something needs fixing or improving
• Clear communicator who can collaborate across teams and explain technical decisions without jargon