Backflip

Senior / Staff Backend Software Engineer, Core Product

Backflip

full-time

Posted on:

Location Type: Hybrid

Location: San Francisco • California • United States

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Job Level

Senior

Tech Stack

AWSJavaScriptNode.jsPython

About the role

  • 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
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
backend systemsAWSPythonRESTful APIsCI/CDNode.jsauthentication systemsauthorization systemsAPIsvector databases
Soft Skills
collaborationleadershipproduct-mindedflexibilitypragmatismalignmentclaritycustomer-focusedproblem-solvingcommunication