JavaScript Developer / Hybrid El Segundo / Full time / Backend / AWS / 3D

Job Description

Job Description
\nThis is a hybrid, full-time opportunity with a fast-growing startup at the intersection of AI, automation, and 3D design. The team builds intelligent desktop and web tools that streamline how digital dental models are created, reducing manual design work by up to 95% through a combination of AI integration, 3D geometry processing, and real-time visualization.
\nYou’ll work across a modern stack that blends Electron, React, and AWS serverless backend services, helping build powerful, production-ready tools used by dental labs and clinicians worldwide. This role is perfect for a developer who enjoys working across multiple layers of a system — from 3D rendering to backend APIs — and wants to solve complex, technical problems that directly impact real-world outcomes.
\nCandidates must be able to commute to the El Segundo office two days per week, with remote flexibility for the remaining days.
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\nRequired Skills & Experience
\n· Strong proficiency in JavaScript and React
\n· Experience developing and maintaining Electron desktop applications (file system access, local storage, JSON config/state management)
\n· Working knowledge of AWS serverless technologies (Lambda, DynamoDB, S3)
\n· Familiarity with Three.js and foundational 3D geometry concepts (STL files, point clouds, transformations)
\n· Ability to work confidently across frontend, backend, and desktop codebases
\n· Bachelor’s degree in Computer Science, Software Engineering, or a related field
\n· Must reside within commuting distance of El Segundo, CA
\n· U.S. citizenship required
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\nDesired Skills & Experience
\n· Experience designing and refining UI/UX interfaces
\n· Background in Python or experience with 3D/CAD software
\n· Knowledge of geometry processing, including mesh manipulation or point cloud optimization
\n· Interest in CAD systems, medical device technology, or workflow automation
\n· Strong communication skills and comfort working in small, fast-moving teams
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\nWhat You Will Be Doing
\nTech Breakdown
\n· 60% Electron + React application development
\n· 25% Backend development using Node.js and AWS (Lambda, DynamoDB, S3)
\n· 15% 3D rendering, geometry processing, and visualization (Three.js)
\nDaily Responsibilities
\n· 80% Hands-on development (desktop app, backend, and 3D rendering)
\n· 10% Code optimization and feature architecture
\n· 10% Team collaboration, planning, and testing
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\nYou’ll enjoy benefits like:
\n• Equity
\n• Comprehensive health, dental, and vision insurance
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\nNote: Applicants must have current and ongoing authorization to work in the U.S. without sponsorship.
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