The Role Backflip is looking for a Senior Software Engineer to join our team as a highly skilled individual contributor. In this role, you’ll work across the stack to build new user-facing features and develop integrations with CAD and other third-party applications. You’ll collaborate closely with product managers, AI researchers, and other engineers to bring new ideas to life and scale them into production-ready systems. This is a hybrid role based in our San Francisco headquarters . What You’ll Do Build and maintain full-stack web applications using modern frameworks and tools Develop integrations with CAD software, 3D tools, and other third-party applications Create and maintain connections with external web services and APIs Collaborate with product managers, designers, and AI researchers to design and deliver user-facing features Contribute to technical architecture, design reviews, and engineering best practices Own projects from prototype through production, ensuring reliability, performance, and excellent user experience What We’re Looking For 5+ years of professional software engineering experience Strong experience in full-stack development, ideally with JavaScript/TypeScript and Python Familiarity with frameworks like React and Express, and technologies like Redis, Postgres, and Docker (or equivalent experience with similar systems) Experience building plugins for desktop applications Strong product sensibility and ability to work closely with cross-functional teams Excellent problem-solving skills with a balance of pragmatism and attention to detail Expertise in 3D graphics for the web, including frameworks like three.js or react-three-fiber, WebGL, and a strong understanding of rendering pipelines, geometry, and graphics performance optimization Nice to Have Experience with CAD, 3D graphics, or geometry-related software development Background in another engineering discipline (mechanical, electrical, civil, etc.) or experience bridging hardware and software UI/UX sensibilities or experience working closely with design teams Exposure to building products around core AI technologies Compensation The expected base salary range for this role is $175,000 – $240,000 , plus equity. Final offers will be based on experience, interview performance, and alignment with role requirements. Why Backflip Repeat founders in 3D printing/CAD with a prior $2.1B exit Backed by a16z and NEA ; small, senior team with outsized impact Flexible PTO and competitive compensation 3 days a week in our San Francisco office, 2 days remote with the option to come in more often Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Software Development

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