Find the best Product Engineering Services jobs in California, US for remote work experts & freelance professionals

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See the latest 14 Product Engineering Services jobs in California

SUBCONTRACTOR OPPORTUNITY: Plastic Injection Molding / Product Engineer

Remote - Posted
Part-time Expert level Under 1-month Fixed-rate
SUBCONTRACTOR OPPORTUNITY: Plastic Injection Molding / Product Engineer We are a small startup developing a patented plastic injection molded consumer product. We have a p...
Product Engineering Services Injection Molding Design 3D Modeling
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CAD Designer Needed to Bring Dog Toy Concepts from Sketch to Manufacture-Ready Files

Remote - Posted
Part-time Expert level 6+ months Hourly
📝 Project Description: We design and launch pet products for clients in the pet industry. We’re seeking a freelance CAD designer with strong mechanical design and manufac...
CAD Drafting Services Product Engineering Services 2D CAD Design Services
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Design a 3D Printable Underwater Scooter Shell Around My Water Jet Kit (Fusion 360/CAD)

Remote - Posted
Part-time Intermediate level Under 1-month Fixed-rate
I am looking for an experienced CAD designer or mechanical engineer to design a custom underwater scooter (similar to a Seabob) around a propulsion system that I have already...
Product Engineering Services Mechanical Design Services 3D Printing Design 3D Design Services 3D Modeling
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Mechanical Engineer / Product Designer Needed — Folding Chair Mechanism & CAD Development

Remote - Posted
Part-time Expert level 1-3 months Fixed-rate
Project Overview We are developing a premium, lightweight, durable folding outdoor/camping chair where the frame, joints, hardware, fabric, and accessories are engineered for...
Product Engineering Services 3D Modeling Mechanical Design Services Mechanical CAD Design Machine Design
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4-axis wood Stock laguna machine

Remote - Posted
Part-time Any level Under 1-month Hourly
I have laguna 4-axies cnc machine. I want a 3D design to convert the wood blanks into the shotgun stock. Please see the attached pictures of machine, wood blank and end produ...
3D Modeling Product Engineering Services Concept Design Prototype Design Services Manufacturing Drawings
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Design Engineer / Product Designer

Remote - Posted
Part-time Expert level Under 1-month Hourly
About the Role We’re looking for a creative Design Engineer to help us bring a new consumer product to life. The product should be practical, visually striking, and appealing...
Industrial Design Services Product Engineering Services Mechanical Design Services
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Product Design + Prototype: iPhone TPU Case with Real Fabric Hoodie Exterior (Movement)

Remote - Posted
Part-time Any level Under 1-month Fixed-rate
I am developing a fashion-forward iPhone case that combines a protective TPU phone case with a real fabric hoodie exterior. This is NOT a molded decorative silicone case....
3D Product Modeling Prototype Design Services Product Engineering Services Design for Manufacturability (DFM Services)
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Mechanical Engineer with Showerhead / Spray Nozzle Experience

Remote - Posted
Part-time Expert level 1-3 months Hourly
We are looking for a mechanical/product engineer with specific experience designing showerheads, hand showers, spray heads, or similar water-dispensing products to help refine...
Industrial Design Services Mechanical Design Services Mechanical Engineering Product Engineering Services
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Design Refinement for Compact, Waterproof Plastic Tray

Remote - Posted
Part-time Any level Under 1-month Fixed-rate
We are seeking a skilled CAD designer to refine a 3D model for a compact, waterproof plastic tray intended for mass production. The tray should have a foldable design, similar...
3D Product Modeling 3D Design Services Product Engineering Services Prototype Design Engineering Mechanical Design Services
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Orthodontic CAD Product Engineer

Remote - Posted
Part-time Intermediate level Under 1-month Hourly
Looking for a 3D Product Designer with Ortho/Dental CAD experience. We have a designed a new braces ortho bracket, and we are looking to create a new design based on a new m...
General CAD Drafting Medical Devices Design Product Engineering Services 3D Product Modeling 3D Product Rendering and Design
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CAD Engineer Needed – Showerhead Project

Remote - Posted
Part-time Expert level Under 1-month Hourly
We’re looking for a CAD engineer to create working drawings for a showerhead. We are specifically looking for someone with experience designing shower sprayers/showerheads....
Industrial Design Services Mechanical Design Services Product Engineering Services
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Need Experienced Mechanical Engineer to Help With Prototyping

San Diego, United States - Posted
Part-time Expert level Under 1-month Hourly
For this, we need someone local to come on-site in San Diego, CA. Please apply or message for more information.
2D to 3D Modeling Product Engineering Services Mechanical Engineering Prototype Design Services Prototype Design Engineering
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Freelance mechanical engineer for ongoing product design work

Remote - Posted
Part-time Expert level 6+ months Hourly
Hi, We're seeking a mechanical engineer with deep experience in new product design & development and manufacturing expertise. Experience working with teams on electronics d...
Mechanical Engineering Product Engineering Services
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Mechanical Engineer for CNC-Machined Product Development

Remote - Posted
Part-time Expert level 1-3 months Hourly
RealBlanks is seeking an experienced mechanical design engineer to develop a precision-machined product from an initial concept through production-ready files. The project...
Product Engineering Services Mechanical Design Services Machine Design CNC Programming Mechanical Engineering
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Last updated: Sep 23, 2026

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