Staff Backend Software Engineer

This is a role that TechTree is recruiting for on behalf of one of our clients. TechTree is an AI-driven recruitment platform working with high-growth companies. When you apply, our AI Agent matches you not just to this role, but to other relevant opportunities across our network, so one application can unlock multiple roles. Staff Backend Software Engineer — Set the technical direction for AI systems that automate insurance operations. Remote (US, Canada).Our client's platform processes billions of unstructured data points every day and surfaces precise, explainable insights that insurers rely on for high-stakes decisions. It's a small team where individual contributions have outsized impact. You'll own the central evals framework and the back-office automation pipeline, make architectural calls under ambiguity, and help set the technical direction for how LLM-based systems are built and operated at scale. What You'll Do→ Lead backend initiatives across services, data models, async pipelines and evals on AWS→ Set technical direction for LLM systems: reliability, cost, latency, evaluation and explainability→ Lead architecture decisions and code reviews across the product→ Partner with business and product owners on firm-wide decisions What We're Looking For→ 8+ years building and operating backend systems at scale→ Tech lead experience on at least one major initiative→ LLMs in production and what it takes to deploy them at scale→ Strong Python, AWS serverless (Lambda, Step Functions) and PostgreSQL performance skills