Senior Software Engineer, Backend

Why Auctor Auctor is building the AI layer for professional services and software implementation. Think of us as the brain behind the best solution engineers, forward-deployed engineers, and onboarding teams— automating the documentation, the discovery, and the decision-making that powers $400B+ in services work. We’re going after one of the biggest software categories of the decade. The Opportunity As a Backend Software Engineer at Auctor, you will own and lead engineering projects across our software offerings. You will work closely with our operations, GTM, and deployed services teams to build state-of-the-art systems that provide value to our customers. We’re looking for people who want to do the most meaningful work of their career—people who are sharp, fast, and relentless. No fluff. Just speed, execution, and a shot to build something generational. This role is based in New York, NY, in person 5 days per week. What You'll Build Retrieval over large corpora of enterprise documents Backend infrastructure for AI-powered collaborative workflows Building multi-step planning agents for enterprise project management Enterprise-grade security for sensitive organizational data Evaluating LLMs across document generation and synthesis tasks Data ingestion pipelines from enterprise integrations (Confluence, Jira, SharePoint, etc.) What You Bring 4+ years (post-BS/MS) of backend-focused software engineering experience on product-centric teams Track record of building fast-growing SaaS products Experience building backend platforms that can support multiple product lines Strong programming skills and general Computer Science knowledge Experience architecting scalable systems to support rapid growth and enterprise-level traffic Grit - experience working at early-stage startups is a plus