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Freelance Prototyping Engineer Jobs (NOW HIRING)

... prototypes) for internal reviews. Ensures that graphics and programming aspects follow the tenets ... Successful candidates for freelancer opportunities will not be considered employees of The Procter ...

... interactive prototypes) for internal reviews. * Ensures that graphics and programming aspects ... Light Brand Guidelines experience P&G's freelancer opportunities are for project-based or other ...

CNC Machinist/Programmer

Houston, TX ยท On-site

$25.25 - $34.50/hr

... and Freelance Recruiters. We have strong relationships with IT services companies focussed on ... a-kind complex prototypes on a variety of materials. * This person must also be capable of ...

CNC Machinist/Programmer

Houston, TX

$25.25 - $34.50/hr

... and Freelance Recruiters. We have strong relationships with IT services companies focussed on ... a-kind complex prototypes on a variety of materials. * This person must also be capable of ...

Work directly with product owners, developers, and other stakeholders to define user flows ... Use Figma to create and iterate on designs, from low-fidelity flows to high-fidelity prototypes

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Freelance Prototyping Engineer information

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How much do freelance prototyping engineer jobs pay per hour?

As of Jun 8, 2026, the average hourly pay for freelance prototyping engineer in the United States is $47.71, according to ZipRecruiter salary data. Most workers in this role earn between $24.28 and $61.78 per hour, depending on experience, location, and employer.

What is the difference between Freelance Prototyping Engineer vs Freelance Product Designer?

AspectFreelance Prototyping EngineerFreelance Product Designer
CredentialsEngineering background, technical skills in prototyping toolsDesign background, skills in UI/UX, graphic design
Work EnvironmentTechnical labs, workshops, digital prototyping toolsDesign studios, digital platforms, client meetings
Industry UsageProduct development, hardware/software prototypingApp/website design, user experience projects
Search & ComparisonOften compared for technical prototyping rolesCompared for visual and user experience design roles

Freelance Prototyping Engineers focus on creating functional prototypes using engineering skills, while Freelance Product Designers emphasize visual and user experience aspects. Both roles collaborate closely in product development but differ in technical and design expertise.

More about Freelance Prototyping Engineer jobs
What cities are hiring for Freelance Prototyping Engineer jobs? Cities with the most Freelance Prototyping Engineer job openings:
What are the most commonly searched types of Prototyping Engineer jobs? The most popular types of Prototyping Engineer jobs are:
What states have the most Freelance Prototyping Engineer jobs? States with the most job openings for Freelance Prototyping Engineer jobs include:
Infographic showing various Freelance Prototyping Engineer job openings in the United States as of May 2026, with employment types broken down into 61% Full Time, 7% Part Time, 30% Contract, and 2% Nights. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution, with an average salary of $99,230 per year, or $47.7 per hour.

Senior Full-Stack Engineer - LLM-Powered Code Review PoC

Fuku

San Francisco, CA โ€ข On-site

Full-time

Posted 10 days ago


Job description

Senior Full-Stack Engineer (Freelance/Contract, Remote)
NexaFlow is developing a proof-of-concept automated code review tool powered by large language models (LLMs). We are seeking a Senior Full-Stack Engineer to design and deliver the prototype end-to-end.
Key Responsibilities:
  • Own the entire proof-of-concept (PoC) development process, from architecture to deployment.
  • Integrate webhooks for pull request (PR) analysis.
  • Build a hybrid review engine combining LLMs and static analysis tools.
  • Implement custom rule configuration for code reviews.
  • Develop a review dashboard for users.
  • Ensure Docker-based deployment of the solution.

Requirements:
  • 5+ years of full-stack development experience with Python (FastAPI) or Node.js and React.
  • Proven experience integrating LLM APIs (such as OpenAI GPT-4, Anthropic Claude) into production systems.
  • Hands-on experience with CI/CD pipelines, including GitHub Actions or GitLab CI.
  • Familiarity with code review tooling.
  • Ability to work independently, handling all aspects from system architecture to deployment.
  • Experience with static analysis tools (e.g., Semgrep, CodeQL) is a strong plus.

Engagement Details:
  • Freelance/contract position.
  • Fully remote work.
  • Competitive rate based on experience.

About Fuku

Sourced by ZipRecruiter

Industry

Food services and drinking places

Company size

51 - 200 Employees

Headquarters location

New York, NY, US

Year founded

2015