1

Freelance Prototyping Engineer Jobs (NOW HIRING)

Develop and deliver high-fidelity wireframes, flows, and interactive prototypes primarily utilizing ... Expertise in cross-functional collaboration across design, product, strategy, and engineering

Develop and deliver high-fidelity wireframes, flows, and interactive prototypes primarily utilizing ... Expertise in cross-functional collaboration across design, product, strategy, and engineering

Overview We're looking for freelance Creative Technologists to help push the studio's work forward ... engineering expertise * Small-scale fabrication and material prototyping skills Soft Skills That ...

Develop and deliver high-fidelity wireframes, flows, and interactive prototypes primarily utilizing ... Expertise in cross-functional collaboration across design, product, strategy, and engineering

Develop and deliver high-fidelity wireframes, flows, and interactive prototypes primarily utilizing ... Expertise in cross-functional collaboration across design, product, strategy, and engineering

... 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 ...

... 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 ...

next page

Showing results 1-20

Freelance Prototyping Engineer information

See salary details

$14

$47

$132

How much do freelance prototyping engineer jobs pay per hour?

As of Jul 23, 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 July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% 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

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

Fuku

San Francisco, CA • On-site

Full-time

Posted 25 days ago


Job description

Job Title: Senior Full-Stack Engineer (Freelance/Contract)
NexaFlow is seeking a Senior Full-Stack Engineer to develop a proof-of-concept code review tool powered by large language models (LLMs).
Key Responsibilities:
- Design and implement a prototype tool that leverages LLMs to automatically review pull requests.
- Integrate LLM APIs (OpenAI/Anthropic) to identify bugs, security vulnerabilities, and code style issues in code submissions.
- Post contextual feedback directly on pull requests.
- Handle the entire development process independently, from architecture through deployment.
- Collaborate remotely with the NexaFlow team as needed.
Requirements:
- 5+ years of full-stack development experience.
- Proficiency in integrating LLM APIs such as OpenAI or Anthropic.
- Experience developing code review tools and working with CI/CD pipelines.
- Strong ability to independently manage end-to-end product development.
- Backend expertise in Python or Node.js.
- Frontend experience with React or Vue.
- Familiarity with Docker-based deployment.
Additional Information:
- This is a freelance/contract position, not a full-time employment role.
- Location: San Francisco (remote friendly).

Fuku logo

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