Hybrid Senior / Staff Backend Software Engineer, Core Product

at Backflip

• Job title: Senior / Staff Backend Software Engineer, Core Product
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, JavaScript, Node.js, Python
• Location requirements: Hybrid, San Francisco, United States

About the role

• Senior Backend Engineer architecting backend systems for AI-driven design at Backflip. Collaborating with AI, design, front-end, and product teams to deliver impactful products.

Responsibilities

• Architect and own the backend systems that power AI-driven design workflows for our customers, including architecture, scaling, and performance.
• Deploy products to production, and iterate on them based on customer experiences and feedback.
• Collaborate with the AI team, design, front-end, and product to set and deliver engineering initiatives and projects that turn our cutting-edge AI into impactful products.
• Architect backend systems around AWS services, vector databases, and modern data infrastructure.
• Design multi-tenant systems that support enterprise customers securely and efficiently.
• Own authentication and authorization systems (RBAC, SSO, OAuth, SAML).
• Improve observability through logging, monitoring, tracing, and alerting.
• Own performance and scale: build APIs, indexes, and search systems that make high-dimensional data feel instant.
• Own security and enterprise-readiness, including authentication / authorization.
• Contribute to product direction: work with customers, design, AI, and leadership to turn technical capabilities into delightful user experiences.
• (Optional but exciting): advance 3D visualization, geometry, or rendering that make engineering feel magical.

Requirements

• You’ve architected and operated production backend systems at scale.
• You’re fluent in the modern back-end development stack and best practices (Python, RESTful APIs, CI/CD, Node.js, etc.).
• You’ve built secure, multi-tenant systems used by enterprise customers.
• You’re comfortable designing APIs, services, and data flows end-to-end.
• You have experience with AWS databases, and you enjoy thinking about indexing, search, and vector data systems.
• You’re pragmatic, product-minded, and enjoy owning features from concept to deployment. You enjoy being flexible and doing whatever it takes to achieve the mission.
• You operate with a leader’s mindset: set technical direction, create alignment and clarity with engineers and leadership, and deliver results.
• You are passionate about seeing your work shape the physical world.
• You have exposure to the world of mechanical engineering or related fields (aerospace, civil engineering, 3D printing, CAD, etc).
• Experience building AI-powered or ML-backed products.
• You have an interest in math, geometry, topology, rendering, or computational geometry.

Benefits

• Competitive salary
• Flexible working hours
• Professional development budget
• Home office setup allowance
• Global team events