Principal Backend Engineer Jobs - February 2026

Hiring 7+ years Senior or Staff (Principal) engineers to join as founding members at a stealth AI-security startup (seed $15M) in NYC. Ship end-to-end: design → production → detection stories used daily. Prefer experience at scale (Google/Meta/AWS/Abnormal/Wi…

Scale the backend for the AI that will edit all real estate photos on the internet! Lead our dev team training AI editing models, building new features, and architecting a fast/scalable backend architecture. We intend to 5X our daily photo editing volume in t…

I'm Preetam, co-founder and chief architect of FunnelStory. We're building a revenue data platform that helps Go-to-Market teams analyze customer behavior, predict churn, and optimize engagement using data, machine learning, and AI agents. We're looking for a…

We’re an early stage startup building an identity platform. Our goal? Bring authentication for users, machines and APIs under the same (secure) umbrella (aka one identity platform to rule them all). We’re looking for people who can design, build, and maintain…

Obsidian Security is at the forefront of SaaS security, dedicated to detecting and mitigating threats effectively. With our advanced threat detection solution, we visualize user activity, identify employee compromise, and mitigate insider threats, ensuring da…

Point is a modern charge card that provides card-members a simple, transparent, and rewarding spending experience. Traction: Scaled debit product to 100k customers, + 30k waitlist for new card (100% organic growth) Financials: Solid runway, backed by Valar (P…