Prototyping projects — HireLancer archive

ID / Date Listing

Full 3D CAD Backpack Model

I’ve sketched a backpack concept and now need it turned into a production-ready 3D CAD model that I can attach to my patent application and share with manufactu...

HL-40586954

Compact Mobile Charger Prototype Design

I’m bringing a brand-new electronic charger to market and need an engineer who can turn my concept into a fully working prototype. The focus of this engagement...

HL-40587015

High-Durometer Silicone Tube Fabrication

I need a cylindrical tube made of high-durometer silicone with the following specifications: - Inner diameter: 2.25 inches - Outer diameter: 2.5 inches - Length...

HL-40587026

Mechanical Engineer for Premium Dog Leash Emergency Release System

We are developing a premium adjustable dog leash designed to integrate with an existing premium dog collar. We need an experienced mechanical/product design eng...

HL-40586495

Plug in Solar Solar Demo Product Development

I'm seeking an experienced IoT mechanical engineer to design and assemble a demo product in the plug-in solar energy space. Key Requirements: - Design accessory...

HL-40586116

Swappable NE5532 Audio Preamp PCB -- 2

I want a small, low-noise pre-amplifier built around the NE5532, powered from + - 15v. The board will slot straight into my DIY projects, so please place the op...

HL-40585972

Prototype Machine Boisson Automatique

Je démarre la conception d’une machine automatique centrée avant tout sur la qualité des boissons servies. Basé à Guangzhou, je souhaite avancer très vite et j’...

HL-40585997

Manufacturing Ready Product CAD/3D Design

I am looking for a 3D designer for a component prototype. Once I review the first pass we may go through one or two quick iterations for fit or cost optimisatio...

HL-40585833

Compact BJT 2-Bit Counter

need a straightforward 2-bit counter designed entirely with discrete Bipolar Junction Transistor (BJT) logic. My priority is to keep the component count as low...

HL-40585094

Custom Rubberized Bobby Pins

I need bobby pins designed to hold and secure hair. The pins should be made from coated spring steel very thing inner and feature a rubberized coating. The rubb...

HL-40584957

Louver Product Line Engineering

I'm seeking a mechanical engineer to assist with a new louver product line. The project involves: - Design and Prototyping - Material Selection and Testing - Ma...

HL-40584834

UX for Fitness tracking mobile app

Figma UI/UX Designer Required for Fitness Tracking App (Strava-Inspired) Project Overview I am building a fitness tracking mobile application inspired by the ov...

HL-40584306

Saas app with react js next js firebase skills

Saas app with react js next js firebase skills Project for @ZahidBangash123

HL-40584180

Impact-Resistant Knee Pad Design

I'm looking for a designer to create a mountain biking knee pad with a primary focus on impact protection. The ideal candidate should have experience in designi...

HL-40583989

Handheld Force-Sensing Probe Development

# Prototype Brief — Handheld Force-Sensing Probe ## Summary I need a working prototype of a small handheld instrument that measures the contact force applied th...

HL-40583389

Portable Utility Gadget Prototype Development

I want to bring a compact, consumer-friendly utility gadget to market and need an engineer who can take it from idea to production. The core of the device is si...

HL-40583474

Navigation-Focused UI/UX Revamp

I’m looking for a skilled UI/UX designer to rework the navigation of my digital product. The current layout confuses users and buries key actions; I need a clea...

HL-40582959

All-Purpose Rechargeable Table Fan Design

I am seeking an expert Embedded Electronics & Product Designer to develop a customized, high-performance "All-in-One Convertible AC/DC Fan" from scratch. We req...

HL-40582661

N Scale 3D Gas Engine Model

I need a 3D model of a twenty-cylinder natural gas engine and a 180' scale exhaust stack, both in N scale. The model should have moderate detail and be suitable...

HL-40582400

Custom Water Leak Detector PCB

I’m developing a compact, sensor-based water leak detector and have already finished the schematic. Now I need a specialist to turn that schematic into a produc...

HL-40582291

Shift Documentation Tracker App

Project: Documentation Follow-Up Tool (working prototype exists) What it does: Tracks missed documentation entries (paper or digital logs) in shift-based workpl...

HL-40581961

LED PCB Layout Design

I need a PCB layout design for a small general lighting application using standard LEDs. The PCB size should be less than 10x10 cm. Ideal skills and experience...

HL-40581981

Design an oscillator circuit using a 555 IC to produce a square waveform.

The square wave should have an equal mark-to-space ratio, a frequency equal to that of the resonant frequency of the metal bar estimated in Part 1, and an outpu...

HL-40581691

AI SaaS Platform UI/UX Design

Complete UI/UX Design for an AI SaaS Platform We are looking for an experienced UI/UX designer to create a complete design for a modern AI-powered SaaS platform...

HL-40581348

Senior EV Circuit Design Mentor

I’m leading a young EV startup made up mostly of engineering students, and we’ve reached the point where our concept demands heavyweight industrial experience....

HL-40581214

Doide/LED Tester

I already have a KiCad v10.4 design exported to Gerber and will share the schematic, PNG layout images and an initial BOM. What I need now is a careful re-work...

HL-40581265

AVEVA Edge Expert for Industrial HMI UI

# AVEVA Edge HMI Developer Needed – Industrial Panel UI (MetaFerm) We are looking for an experienced **AVEVA Edge HMI developer** to recreate and implement a mo...

HL-40580880

Minimalist Social Media Screens

I’m fleshing out an early-stage social media concept and need a small set of polished Figma screens to illustrate the core experience. The focus is narrow: a cl...

HL-40580941

Comprehensive Water Flosser Design

Hi, I'm developing a consumer oral care product and looking for an industrial designer to collaborate on taking the concept to production-ready stage. The Produ...

HL-40579924

ESP32: IoT Embedded System PCB Design

This project focuses on the custom PCB Design of an advanced Embedded System powered by the ESP32 for scalable IoT applications. By leveraging the ESP32 microco...

HL-40580768

Embedded Hardware Engineer for Custom WIFI Board

I am looking for an experienced Embedded Hardware Design Engineer to develop a custom production-ready WIFI Board for a proprietary embedded electronic product....

HL-40580480

Ultra-Thin Wallet-Sized Wireless Charger Design

I am looking for an experienced electrical and product design engineer to **design and develop a working prototype** of an ultra-thin, sleek, and lightweight wa...

HL-40580234

Child-Safe Laser Maze Upgrade

I need our existing laser-maze exhibit adapted before we use it so children can explore it safely It comes with class 3 lasers but we need to change these to cl...

HL-40580204

Prosthetic Hand: CAD Design & Rendering

Prototype: fully mechanical, dial-actuated hand. We are developing a fully mechanical (non-motorized, non-electronic) prosthetic hand prototype, actuated by a s...

HL-40579927

SolidWorks Sheet Metal Engineering

I have a fabrication project that must move from concept to the shop floor inside SolidWorks. Your task is to convert my existing models into proper sheet-metal...

HL-40579704

Minimalist Android App UI/UX

I’m building a new Android mobile app and need a UI/UX specialist to craft a clean, minimalist interface from first tap to final interaction. The look I’m after...

HL-40579478

Colorful Website Figma Design and Development

I’m starting this website from a blank canvas and need a designer who can shape both the visual identity and the complete Figma layout. Because I don’t yet have...

HL-40579365

Low-Noise 24 V Audio PSU Design

I’m putting together a single-rail power supply for sensitive audio gear and need a clean, hum-free output. The brief is straightforward: • Topology: prefer an...

HL-40578976

Plastic Household Item Manufacturing

I need a household item manufactured using plastic. Requirements: - The product is a household item. - Material should be plastic. - Preferred manufacturing pro...

HL-40578740

Reposition Misaligned PCB Pin Header

A pin header on my small production PCB was accidentally soldered one pad off its intended footprint, so the connector now sits in the wrong position. The task...