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Remote Prototype Design Jobs in California (NOW HIRING)

De Circle

UI/UX Engineer - Semiotic.ai

San Francisco, CA · On-site +1

$110K - $137K/yr

Design and prototype product interfaces through mock-ups, wireframes, and interactive prototypes ... Fully remote and flexible work environment. * Opportunity to shape the UI and UX of products that ...

Atlassian

Lead Product Designer, Loom

San Francisco, CA · On-site +1

$129K - $169K/yr

This is a remote role. To help our teams work better together, you must be located between PST and ... Prototype and ship innovation : Partner with Product and Design partners to rapidly explore ...

Atlassian

Lead Product Designer, Loom

San Francisco, CA · On-site +1

$129K - $169K/yr

This is a remote role. To help our teams work better together, you must be located between PST and ... Prototype and ship innovation : Partner with Product and Design partners to rapidly explore ...

Akraya Inc.

UX Designer: 26-01768

Mountain View, CA · On-site +1

$60 - $65/hr

... Prototyping (advanced), Usability Testing (intermediate), Design Frameworks (intermediate) Contract Type: W2/C2C Duration: 6+ Months Contract (High possibility of extension) Location: Remote Pay ...

AKQA

Freelance Senior Product Designer

San Francisco, CA · Remote

$2.8K - $3.6K/wk

... the design process. This is a remote freelance role starting as soon as possible and running ... Develop and deliver high-fidelity wireframes, flows, and interactive prototypes primarily utilizing ...

Augment CXM

Lead Product Designer

San Francisco, CA · On-site +1

$182K - $224K/yr

Prototype and iterate challenging UX paradigms that incorporate AI technologies based on user ... Design conversational information architectures for various industry verticals * Lead, mentor, grow ...

Thunkable

Product Designer

San Francisco, CA · On-site +1

$100K - $150K/yr

Expertise with modern design and prototyping tools such as Figma * Experience working in a fast ... Global remote flexibility - The opportunity to directly influence the future of no-code and AI ...

Thunkable

Product Designer

San Francisco, CA · On-site +1

$100K - $150K/yr

Expertise with modern design and prototyping tools such as Figma * Experience working in a fast ... Global remote flexibility - The opportunity to directly influence the future of no-code and AI ...

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All JobsPrototype Design JobsRemote Prototype Design JobsRemote Prototype Design Jobs in California

Remote Prototype Design information

What is the difference between Remote Prototype Design vs Remote UX Designer?

AspectRemote Prototype DesignRemote UX Designer
Primary FocusCreating interactive prototypes to test conceptsDesigning overall user experience and interface
Skills & ToolsPrototyping tools (Figma, Adobe XD), UI/UX principlesUser research, wireframing, usability testing
Work EnvironmentCollaborates with designers and developers on prototypesWorks on user flows, wireframes, and interface design
Industry UsageUsed across tech, product, and design agenciesCommon in tech, startups, and digital agencies

Remote Prototype Design focuses on building interactive models to validate ideas, while Remote UX Designer emphasizes overall user experience and interface design. Both roles often collaborate but serve different stages of the product development process.

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Remote Prototype Design jobs near you

UI/UX Engineer - Semiotic.ai

De Circle

San Francisco, CA • On-site, Remote

$110K - $137K/yr

Full-time

Posted 10 days ago

Job description

Semiotic Labs is an AI research and development company working at the intersection of machine learning, cryptography, and decentralized protocols. We are best known for our contributions to The Graph, where we've built open-source tools, incentive layers, and protocol infrastructure to help decentralized networks scale securely. More recently, our work has expanded into AI-to-AI payments, agent coordination, and transaction settlement layers that will enable the next generation of decentralized systems.
We are a small, ambitious, and highly technical team looking for individuals excited to solve hard design and engineering problems in Web3.
The Role
We are looking for a UI/UX Engineer who is equally comfortable creating mock-ups, wireframes, and design assets as well as implementing them in production-ready code. You'll collaborate closely with product managers, researchers, and engineers to translate complex ideas into intuitive, beautiful, and performant user interfaces.
This role is ideal for someone who can bridge design and engineering, bringing strong visual sensibilities while also writing clean, maintainable code in modern frontend frameworks.
Responsibilities
  • Design and prototype product interfaces through mock-ups, wireframes, and interactive prototypes.
  • Translate designs into pixel-perfect, accessible, and responsive implementations in React, Typescript, and Next.js.
  • Work closely with product and engineering teams to refine user journeys and ensure high usability.
  • Contribute to the overall design system, ensuring consistency across products and components.
  • Implement smooth animations, transitions, and interactions to improve user experience.
  • Continuously test, iterate, and improve the UI based on user feedback.
  • Stay up-to-date with best practices in UI/UX design, frontend engineering, and Web3 tooling.

Why Join Us
  • Work at the frontier of AI, cryptography, and decentralized networks.
  • Small, world-class team with high autonomy and impact.
  • Fully remote and flexible work environment.
  • Opportunity to shape the UI and UX of products that will be used across the Web3 ecosystem.

  • 5+ years of experience in UI/Frontend Engineering, ideally with exposure to design responsibilities.
  • Proficiency in React, Typescript, and Next.js.
  • Strong design skills with experience in Figma, Sketch, or similar tools.
  • Ability to create wireframes, mock-ups, and prototypes that communicate design intent effectively.
  • Familiarity with building and maintaining design systems and reusable component libraries.
  • Strong understanding of responsive design, accessibility, and UX principles.
  • Attention to detail and ability to balance visual design with performance and usability.
  • Comfortable working in a remote, async-first environment with a globally distributed team.
  • Bonus: Interest or experience in Web3, cryptography, or decentralized protocols.

Apply