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Three Js Developer Jobs in California (NOW HIRING)

Knightscope

Senior Full Stack Engineer

Sunnyvale, CA · On-site

$185K - $250K/yr

... Three.js, Babylon.js, Cesium, or WebGL; sensor/telemetry data integration into live spatial ... Collaborate cross-functionally with robotics, AI/ML, audio/video, DevOps, and UI/UX teams ...

Knightscope

Senior Full Stack Engineer

Sunnyvale, CA · On-site

$185K - $250K/yr

... Three.js, Babylon.js, Cesium, or WebGL; sensor/telemetry data integration into live spatial ... Collaborate cross-functionally with robotics, AI/ML, audio/video, DevOps, and UI/UX teams ...

Profound

Software Engineer, Frontend

San Francisco, CA · On-site

$140 - $260/hr

Work closely with design and engineering to bring ideas to life with precision and speed ... Experience with Three.js, React Three Fiber (R3F), or immersive 3D experiences Location This is an ...

OpenReq

Senior Full Stack Engineer

San Francisco, CA · On-site

... Three.js, or a similar renderer • A creative and analytical approach to problem-solving, with the ability to work on complex, interactive 3D environments. • Excellent communication and ...

Forhyre

Consultant NodeJs with AWS (cloud)

Sunnyvale, CA

$60.25 - $77.75/hr

... Developer and experience in Java Backend +Node JS +AWS or Fullstack + Node JS + AWS kind of ... CSS 3 * Unix shell scripting is preferred * Ability to work in Agile sprint teams * Strong ...

VDart Inc

AngularJS Developer

Pleasanton, CA · On-site

$61 - $74.50/hr

Three-time consecutive winner of Best Places to Work in Atlanta and Best and Brightest Award, VDart ... JS and Javascript • Able to develop hand coded HTML HTML5 CSS CSS3 JavaScript • Good ...

VDart Inc

AngularJS Developer

Pleasanton, CA · On-site

$61 - $74.50/hr

Three-time consecutive winner of Best Places to Work in Atlanta and Best and Brightest Award, VDart ... Strong experience in AngularJS Strong Technical Experience with jQuery Bootstrap JSON Angular JS ...

Moon

Senior 3D Engineer

Glendale, CA · On-site

$160K - $200K/yr

Role Overview You will build the 3D heart of Moon's platform - real-time 3D in React Three Fiber and Three.js that homeowners experience in their own homes. This is a role for an engineer who loves ...

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All JobsThree Js Developer JobsThree Js Developer Jobs in California

Three Js Developer information

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How much do three js developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for three js developer in California is $57.47, according to ZipRecruiter salary data. Most workers in this role earn between $48.65 and $62.88 per hour, depending on experience, location, and employer.

What is the difference between Three Js Developer vs WebGL Developer?

AspectThree Js DeveloperWebGL Developer
Required SkillsProficiency in JavaScript, 3D graphics, and the Three.js libraryDeep understanding of WebGL API, shader programming, and graphics programming
Work EnvironmentWeb development projects involving 3D visualizations and interactive graphicsLow-level graphics programming, often in game engines or custom rendering engines
Industry UsageWeb-based 3D applications, data visualization, interactive websitesGame development, simulations, advanced graphics applications

While both roles involve 3D graphics programming, a Three Js Developer focuses on using the high-level Three.js library to create interactive 3D content for the web, whereas a WebGL Developer works with the lower-level WebGL API for more complex and performance-critical graphics programming. The choice depends on project complexity and desired control over graphics rendering.

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Three Js Developer jobs near you
Infographic showing various Three Js Developer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 94% Physical, 3% Hybrid, and 3% Remote job distribution, with an average salary of $119,538 per year, or $57.5 per hour.

Senior Full Stack Engineer

Knightscope

Sunnyvale, CA • On-site

$185K - $250K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 9 days ago

Job description

About Knightscope

Knightscope (NASDAQ: KSCP) is a security technology company building the nation's first Autonomous Security Force — autonomous machines, AI-driven software, and elite security professionals operating as one integrated managed service. The Company is on a mission to make the United States of America the safest country in the world. One Team. One Force.


About the Role

Knightscope is seeking a Senior Full Stack Engineer to design, build, and own the web platform powering the Signals intelligence platform and the ASR robot software stack across our full fleet — including the K1, K1Hv2, H1, K5, and K7. Signals is a complex, multi-layered web application integrating live robot telemetry, AI-driven alert management, real-time audio/video streaming, and a 3D digital twin visualization layer. This role is the bridge between backend services and the operator-facing experience — you will own full-stack feature delivery from RESTful API design through frontend implementation, and contribute to the architectural decisions that shape how security operators interact with a nationwide robot fleet.


Location Requirement: Full-time, on-site at Sunnyvale HQ (No relocation provided)

Key Responsibilities

  • Design and build scalable RESTful and GraphQL APIs supporting live media pipelines, alert management, reporting, investigation workflows, and 3D digital twin data feeds.
  • Develop highly responsive, accessible web interfaces for the Signals platform — including real-time dashboards, alert management views, investigation workspaces, and multi-stream video review with timeline scrubbing, frame-based navigation, and playback controls.
  • Architect and implement the 3D digital twin layer: real-time synchronization between physical robot state and digital environment using Three.js, Babylon.js, Cesium, or WebGL; sensor/telemetry data integration into live spatial visualizations.
  • Build and maintain live and recorded media pipeline integrations: WebRTC, RTSP, HLS, MP4 playback, and media storage/retrieval via AWS S3 and equivalent cloud services.
  • Integrate network camera APIs and device controls (Axis VAPIX, ONVIF, or equivalent) into Knightscope platforms.
  • Build backend services for media indexing, retrieval, playback logging, and archival using AWS S3/Glacier or equivalent.
  • Contribute to ASR robot platform software across the full fleet — including check-in/checkout flows, IMU bring-up, configuration management, and streaming and storage pipelines.
  • Maintain high code quality through peer code reviews, automated testing, and CI/CD practices; leverage AI-assisted development tools (GitHub Copilot, Claude.ai, or equivalent) to improve productivity and code quality.
  • Collaborate cross-functionally with robotics, AI/ML, audio/video, DevOps, and UI/UX teams; contribute to high-level product and architectural decisions.

Required Qualifications

  • 7–10 years of full stack software engineering experience with a strong focus on production-grade web applications; enterprise SaaS, security operations, or IoT-connected platforms strongly preferred.
  • Expert proficiency in React, Redux, Node.js, ES6/TypeScript, HTML5, and CSS3; experience with component-based design systems and WCAG AA accessibility standards.
  • Strong backend experience in Python, Java, or Node.js; proficiency with a major web framework (Django, Flask, Rails, Express, or equivalent) and RESTful/GraphQL API design.
  • Hands-on experience with live and recorded video/audio technologies: WebRTC, RTSP, HLS, MP4 — including frontend video player development with timeline scrubbing, frame navigation, and event markers.
  • Experience building 3D or 2D interactive digital twin interfaces using Three.js, Babylon.js, Cesium, or WebGL — including real-time sensor/telemetry data integration and live spatial visualization.
  • Solid experience with AWS services: S3, SQS, DocumentDB, Kinesis, or equivalent cloud-native media and data pipeline services.
  • Proficiency with SQL and NoSQL databases (MySQL, MongoDB, Amazon DocumentDB, or equivalent); experience with media indexing and retrieval patterns.
  • Familiarity with network camera APIs and protocols (Axis VAPIX, ONVIF, or equivalent) is a strong differentiator.
  • Experience with FedRAMP compliance or U.S. Government security protocols is a plus.
  • BS in Computer Science, Software Engineering, or related field — or equivalent professional experience.

Compensation & Benefits

  • Base Salary: $185,000 – $250,000 (DOE)
  • Equity: Stock options
  • Benefits: Medical, dental, vision, 401(k), paid time off
  • Location Requirement: Full-time, on-site at Sunnyvale HQ