I spend 11/12 months in China to fast track R&D and manage supply chain for big Amazon clients.
Besides full product solutions, I also offer ongoing China supply chain management service starting from 2000 USD/month flat rate.
🏆Sold >$1M of my own product. Own 12+ patents all over the world. Been there, done that.
🔝Managing supply chain for Amazon top sellers. 10+ years of developing products for Amazon, B2B, retail, and Kickstarters.
📐Repertoire of robust manufacturing contracts, bilingual NNNs, and other contracts. Discounted pricing from top China intellectual property and corporate law firms.
💲Commercialized products from toys, kitchenware to electronics.
🏭Relationships with tier 1 factories across the industry (Ikea, Lululemon, viewsonic, Walmart, Home Depot, Cosco, etc). No more sourcing from agents on Alibaba.
🔝Currently managing supply chain for top sellers on Amazon, from new product roll-out, lifecycle management, to tariff optimization. Understands the ins-and-outs of mass production & quality control.
🧪Familiar with various materials: silicone rubber, plastics, metal, EVA, foam, wood, fabric, glasses, PCBs, batteries, glass fiber, carbon fiber, granite, and optical lenses, etc
🛠️Experienced in rapid prototyping techniques (3D printing, silicone casting, CNC, laser cutting, factory sampling, etc)
🚧Why choose me as your product designer or professional sourcing contact?🚧
🔺Want to launch succesful products on Amazon, Etsy, or Shopify?
🔺Had bad experience with Alibaba sellers and need consistent quality?
🔺Are you worried about having to keep hiring different people for different phases of the product development cycle (design, prototyping, sourcing, sampling, DVT, EVT, PVT, quality control, MP)?
🔺Do you feel overwhelmed by the whole process from an idea to delivering a finished product to the customer's doorstep?
🔺Need intellectual property protection help along the way?
Shoot me a message and I would be happy to hop on a call to discuss further!
I am an experienced product designer. I can walk a client from the initial product formulation stage, to the prototyping stage, and all the way through supply chain management, and mass production stage if necessary, essentially the whole product cycle. I think in many dimensions - cost, durability, ease of manufacturing, ease of prototyping, material availability, aesthetics, ease of use, etc.
SolidWorks
Rapid Prototyping
Product Design
Mechanical Design
3D Modeling
3D Printing
Injection Mold Design
CAD
Material Design
3D Rendering
Design for Manufacturing
Quality Control
3D Design
Mechanical Engineering
Sourcing
Christopher R.
San Antonio, Texas
$30/hr
4.4
12 jobs
Hello and welcome to my profile!
I’m a mechanical engineering student specializing in CAD design, FEA simulations, and prototype development. I help clients turn ideas into clear 3D models, engineering drawings, and 3D-printable parts using SolidWorks and ANSYS. Recently I’ve designed and prototyped a circular-correction mechanism for industrial aerospace rings, studied vibration and thermal behaviour of an automotive brake disc, and created several functional assemblies and housings ready for fabrication.
Here’s what I can help you with:
* 3D modeling of parts and assemblies from sketches, photos, or ideas
* Manufacturing-ready drawings with dimensions and basic GD&T
* STL/STEP files for 3D printing and CNC machining
* Basic FEA (static, modal, and simple thermal) to validate designs
* Fast communication, clear documentation, and revisions until you’re satisfied
If you need a reliable, detail-oriented CAD designer for student, hobby, or entry-level industry projects, I’d be glad to work with you.
CAD
Modeling
Mechanical Engineering
Blender
ANSYS
Dimitrios D.
Austin, Texas
$84/hr
4.9
83 jobs
Please make sure you open the attachments in the proposal. Few engineers have done single-handed such high level design/development in such wide range of fields as I. Also, technical problems that I have resolved via analysis/design/prototyping had been declared "impossible" or "unsolvable" by industry experts.
I am an experienced mechanical designer with analysis capabilities. I can take a design from conception, design, analysis, fabrication and development. I have particular experience in lubrication, sealing, and automotive engineering. I hold a PhD in Mechanical Engineering. In addition to CAD software/FEA, I have expertise in Matlab based modeling, ranging from dynamics, energy integration, to thermodynamics.
SolidWorks
Mechanical Engineering
Mechanical Design
Structural Analysis
English
Steve L.
Georgetown, Texas
$70/hr
4.8
43 jobs
“To the optimist, the glass is half full. To the pessimist, the glass is half empty. To the engineer, the glass is twice as big as it needs to be.” ― Unknown
I view the world in exploded views and how it was designed for functionality. I specialize in bringing your concepts to reality. My professional career began as an Applications Engineer where I learned to MIG weld; program a 3-axis Haas CNC, turn chips on a manual lathe/mill, and think outside the box to create custom automation that tailored to the plastic mold injection industry, typically involving medical devices. Through the use of parametric drafting my ideas came to life involving robotics, inspection vision systems, and pneumatic driven assemblies which became my solutions for customer needs. Problem solving became the foundation I built my career on.
I have been a proficient SolidWorks designer since 2009. I have received a SolidWorks Expert Mechanical Design Certification along with the advanced sheet metal, sustainable design, simulation, drawing tools, weldments, surfacing and drawing tools certifications. I acquired my drafting and design degree from ITT Technical Institute in Orange California Dec. 2012. I have 10+ years of experience with System and Component level design, layout and documentation, which includes but is not limited to Automated Machine design, Welded structures, Vacuum Chambers, Electro-Optical design, Sheet Metal, Medical Device design, and Plastic Part design and surfacing.
I have worked in a wide variety of manufacturing industries supplying solutions for their Engineering teams. I am currently a Mechanical Engineer for a Robotics manufacturer. Prior to robotics I worked as a process improvement engineer for a composite material manufacturer. Previous to that I was a Design Drafter II at Fender Musical Instrument Corporation as a part of the Research and Development team. My first engineering opportunities took place as a mechanical designer for a Cryogenic Pump and Turbo Expander Manufacturing company utilizing my SolidWorks and AutoCAD capabilities to design skid piping layouts and turbo-expander blades.
As of recent I have completed two advanced 3D modeling courses at Irvine Valley College which entail new methods of rapid prototyping and manufacturing. I decided dive deep on how and where all of these parts I was designing were created. I wanted to know more about what went into manufacturing and the complications involved with poor designs. I completed a beginning and advanced MasterCam CNC Programming course along with an Advanced CNC 5-axis setup/operation course to better my knowledge of how products should be designed for not only easier manufacturing and assembly but also a longer life cycle. I have designed for a variety of manufacturing methods including 3D printing, CNC lathe and mill, laser cutting, vacuum forming, sheet metal, and welded structures. I believe design for manufacturability starts at the conceptual design phase. Small changes in the initial design can have large effects in the final cost of a product. I have deep understanding of most manufacturing processes, and leverage that knowledge to simplify designs whenever possible.
Proficient in the following Software:
-SolidWorks
-AutoDesk Inventor
-AutoDesk AutoCAD
-MasterCAM
-Adobe Photoshop
-Adobe Illustrator
SolidWorks
Autodesk AutoCAD
3D Modeling
3D Rendering
Mechanical Design
Product Design
CAM Software
Mastercam
Mechanical Engineering
Drafting
2D Design
Design for Manufacturing
Carlos R.
Dallas, Texas
$50/hr
4.7
84 jobs
Hi, I’m Carlos Reyes, a Top Rated CAD Designer & 3D Rendering Specialist with 10+ years of experience delivering high-performance warehouse layouts, architectural drafting, and photorealistic 3D visualizations for commercial, industrial, and residential projects.
With 250+ completed projects and 100% Job Success, I help warehouse operators, developers, contractors, and real estate professionals plan smarter, optimize space, and present projects with confidence.
Warehouse Layout Design & Industrial CAD Planning
Specialized in warehouse design, logistics optimization, and industrial space planning:
• Warehouse layout design (new builds, expansions, reconfigurations)
• Pallet racking layouts & equipment positioning
• Receiving, staging, and shipping flow optimization
• Forklift traffic flow & safety clearance planning
• Space utilization analysis & operational efficiency
• Permit-ready and construction-ready CAD drawings
I design layouts that reduce wasted space, improve workflow, and support scalable operations.
Architectural Drafting & Photorealistic 3D Renderings
High-quality 3D rendering and architectural visualization to help you sell, present, and build with clarity:
• Commercial & residential 3D renderings
• Interior & exterior visualizations
• Floor plan renderings & colored layouts
• Investor presentation visuals
• MLS marketing images
• City & permit presentation graphics
Site Planning & Space Optimization
• Industrial site planning
• Commercial lot layout design
• Warehouse land-use planning
• Truck circulation & access planning
• Scalable facility master planning
Every design balances operational performance, code compliance, and real-world practicality.
Why Clients Hire Me
✔ Top Rated on Upwork | 100% Job Success
✔ 250+ CAD & 3D projects delivered
✔ Engineering background with practical solutions
✔ Fast turnaround & clear communication
✔ Reliable long-term collaboration
✔ Bilingual: English & Spanish
If you’re looking for a warehouse layout designer, CAD drafting expert, or 3D rendering specialist who understands logistics, construction, and real-world operations.
Send me a message and let’s move your project forward.
SolidWorks
Autodesk AutoCAD
Autodesk Revit
Layout Design
Office Design
Interior Design
Architectural Drawing
Floor Plan
Exterior Rendering
3D Architectural Rendering
Building Design
Plant Layout Design
Process Optimization
SketchUp
CAD Drafting
James G.
San Antonio, Texas
$80/hr
5.0
1 jobs
13 years of experience in all aspects of RF design and high-speed PCB development, including antennas, RF front-end circuits, RFID systems, BLE/Wi-Fi/LoRa products, RF components, impedance matching, filters, amplifiers, RF switches, baluns, and antenna tuning. Much of my work has involved RF PCB design, wireless product development, and high-speed digital hardware. This background also extends to RFID readers, transponder-based systems, and FPGA-related hardware projects.
I have strong experience in RF and antenna simulation using tools such as HFSS, CST Studio Suite, and Ansys tools for antenna design, RF matching, radiation pattern analysis, impedance optimization, RF front-end validation, and wireless performance improvement.
I have strong experience in high-speed PCB design, including multilayer board layout, controlled impedance routing, differential pairs, signal integrity, power integrity, EMI/ESD protection, RF grounding, shielding, and manufacturability. I have worked on FPGA-related projects involving Xilinx, Zynq, Artix-7 FPGA platforms, including data acquisition, signal processing, timing-sensitive interfaces, and high-speed digital board design.
My embedded hardware experience includes the setup, integration, and debugging of microcontrollers and embedded platforms such as STM32, ESP32, ESP32-S3, Nordic nRF52832/nRF52840, Raspberry Pi, Arduino, and embedded Linux-based systems.
I am familiar with RF and wireless ICs/modules including Semtech SX12 series LoRa devices, Nordic BLE chips, ESP32 wireless modules, Quectel LTE/GPS modules, u-blox GPS modules, RFID reader modules, RF filters, LNAs, PAs, RF switches, baluns, and matching networks.
For PCB design, I use Altium Designer, KiCad, EasyEDA, Eagle, and OrCAD
I also have experience with enclosure design for RF and embedded products, including plastic and metal enclosures, antenna placement, RF keepout areas, mechanical fit checks, connector positioning, thermal considerations, waterproofing concepts, mounting features, and PCB-to-enclosure integration. I understand that enclosure design can directly affect RF performance, antenna efficiency, heat dissipation, usability, and manufacturability, so I always consider the mechanical structure together with the electronics.
I have worked for years on IoT devices, wireless sensors, RFID products, antenna-integrated PCB designs, FPGA boards, digital electronics, embedded controllers, data acquisition systems, and prototype-to-production hardware. System engineering and integration have been important parts of many of my projects, especially where RF, firmware, FPGA, PCB design, and enclosure design must work together reliably.
My main strength is not only designing a schematic or PCB, but building complete hardware that works reliably in the real world. I always consider RF performance, signal integrity, grounding, shielding, power stability, EMI/ESD protection, enclosure integration, manufacturability, testing, and long-term reliability from the beginning of the design.
SolidWorks
STM32
ESP32
Raspberry Pi
Altium Designer
KiCad
WiFi
LoRa
FPGA
RF Design
Antenna Design
EasyEDA
Internet of Things
Firmware
Prototype
Electrical Engineering
Electronics
Layout Design
Embedded System
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