Prototyping projects — HireLancer archive

ID / Date Listing

Jersey Design Prototyping

I need a skilled engineer for jersey design and prototyping. We're at the prototyping stage, so I'm looking for someone who can take our initial designs and tur...

HL-40235457

Fusion 360 Mechanical Refinement/Redesign – Oscillating Tool Attachment (DFM Ready)

I have a working Fusion 360 model of a patented oscillating tool attachment. The existing Fusion 360 assembly was intentionally created to clearly communicate s...

HL-40235244

Smart Phone Case Electronics Design & Prototyping

I’ve completed the physical shell for a phone case with a built-in drawer. I now need a freelancer to design and prototype the **electronics + firmware** that d...

HL-40235297

Sleek Stainless Steel Lunchbox Design

I'm looking for a creative and functional lunchbox design tailored specifically for office workers. The lunchbox should not only be practical but also stylish,...

HL-40234757

Senior Power Platform Support Needed

I’m looking for a seasoned Power Platform professional who can step in for 2–3 hours every day and work side-by-side with me on real production workloads. You’l...

HL-40233584

Prototype Assembly & Housing: Dual Arduino RF Proximity System Project Overview

I am seeking a US-based hardware developer or electronics technician to assemble two physical prototypes of an RF-based proximity system. I have already develop...

HL-40232601

Connect PCB to Lead-Acid Battery + Sensors Integration (ESP32)

I need an embedded engineer to help safely connect a PCB to a lead-acid battery pack in series and integrate 4 external sensors (temperature, humidity, water pr...

HL-40233055

Figma UI Polish & Color Optimization – Review & Improve 5 Key Screens for Upcoming Project

Hello! I'm preparing to launch a new project (currently live but not yet fully released), and I need a talented Figma UX/UI designer to take a fresh look at my...

HL-40232983

Ionic Fingerprint Schematic using ESP32

Need getting Ionic Fingerprint from Saliva Need the schematic design circuit for this, with its components

HL-40232901

High-Precision Golf Ball Motion Laser

I need a compact laser-based device that can track a golf ball in real time, capture its rolling speed frame-by-frame, calculate deceleration, and then switch s...

HL-40232350

Adjustable Mechanical Device Development

I'm looking to develop a mechanical device with 4 adjustable roads coming in and going out from the center diagonally. The roads should have adjustable lengths,...

HL-40232276

3D CAD PRODUCT DESIGN - Aerosol “Stencil Cap” with Paint Collection Bottle

Project Overview I am developing a functional aerosol accessory for graffiti artists called a Stencil Cap. This device mounts onto a spray can and reduces paint...

HL-40232298

Unique Heron Scarer Device

I'm seeking a creative professional to design a unique and effective Heron scarer that operates from inside a property, similar to a room air freshener. Key Fea...

HL-40232083

Schematic + PCB ESP32version Industrial

I need a complete hardware design based on an ESP32 with CAN-bus communication and ADXL355 plus a gyroscope sensor. I want to receive both the electrical schema...

HL-40231699

Final-Year UI/UX Design Internship

I’m opening two fully-remote internship slots on ExamDuo, the learning platform I’m building to help students study smarter. As a final-year design student, you...

HL-40231312

Prototype Development: Wall-Mounted GSM/Satellite Distress Beacon

Seeking experienced hardware engineer to build a prototype of a wall-mounted emergency device. Specs: Form Factor: Wall-mounted, compact, durable enclosure (wea...

HL-40231192

Ergonomic Zero-Drop Safety Boot Design

I am bringing a new slip-on work boot to market and need a product designer who can translate my concept into a manufacturing-ready package. The boot must combi...

HL-40231146

Integrate Solar Charging Solution

My 4.5 V circuit needs a small solar panel and the proper charge-management hardware so daylight tops the battery up automatically. I’m not sure what panel volt...

HL-40231062

Crib Design Mimicking Car Ride

I'm seeking a skilled designer and engineer to create a baby crib that simulates the motion of a car ride. The crib should provide a soothing environment for in...

HL-40230347

NFC-Based Children's Audio Player Development - 14/02/2026 07:36 EST

Project Description I am developing an educational NFC-based audio player for children (ages 2–7). The concept is simple: a child places an NFC figurine on the...

HL-40230383

Need expert Ui/ux Designer

I’m building an online portfolio and need a UI/UX designer who can translate my work into an engaging, creative web experience. The project is strictly a websit...

HL-40230168

LabVIEW Specialist

I need a seasoned LabVIEW developer to turn a loose set of functional ideas into a clean, modular VI that can grow as my project evolves. At this stage the exac...

HL-40229608

Men's Fashion Belt Prototype

I'm looking for a skilled designer and maker to create a prototype of a men's fashion belt. Requirements: - Materials: Velvet or suede, metal, magnet, rubber -...

HL-40229407

ESP32 – Pruebas y validación de firmware en protoboard (proyecto real en fase final)

DESCRIPCIÓN: Busco estudiante o técnico de electrónica para realizar pruebas y validación de firmware en un proyecto real basado en ESP32. El firmware ya está d...

HL-40229297

Backgammon Piece Reconstruction

I'm seeking a skilled artisan to reproduce a missing backgammon piece for a board game. The piece is originally made of stone. Requirements: - Experience with s...

HL-40228627

Utility Radio Design

I'm seeking an experienced product designer to create a utility-focused radio. Key Requirements: - Design a functional and user-friendly radio - Focus on durabi...

HL-40228465

Desain Admin Mobile Elegan

Saya sedang menyiapkan aplikasi admin yang akan diakses sepenuhnya lewat perangkat seluler dan membutuhkan rancangan antarmuka yang profesional serta elegan. Fo...

HL-40227991

Waterproof Battery-Powered Scales - 13/02/2026 07:04 EST

I'm looking for a device that can measure weight in pounds and operate underwater. It's essential that this device is powered by long-lasting batteries. Key Req...

HL-40228142

API Integration for Web Application

Description: We are looking for an experienced developer to integrate an API into our web application. The front-end is under development, and we want to connec...

HL-40228011

Figma E-commerce App UI

I need a polished, conversion-focused mobile shopping interface designed in Figma for both iOS and Android. The project covers every customer touchpoint—from on...

HL-40227872

Build Motorized Filament Spool Winder

I’d like the design published here https://makerworld.com/en/models/2065480-completely-motorized-filament-respooler turned into a finished, fully-working machin...

HL-40227399

ESP32-based IoT PCB Layout Design & Review

Hello, I am looking for an experienced PCB designer to complete schematic review and PCB layout for an ESP32-based industrial IoT board using EasyEDA (Collabora...

HL-40227240

2D cad Medical-Grade Prototype Designer.

I’m ready to turn a concept for a medical-grade product into a fully realized prototype, complete with a functional interior and a refined exterior. The goal is...

HL-40227274

Double-Layer PCB Design for Radio

I'm seeking an experienced PCB designer to create a double-layer PCB for a consumer electronics radio project. The PCB will include microcontrollers as key comp...

HL-40227054

Food & Beverage Website Wireframe

I need a clear, user-friendly wireframe for a five-page website that presents my food and beverage distribution company—complete with our import-export complian...

HL-40226348

跨平台移动App开发

我计划启动一款跨平台移动应用，希望从软件架构设计到首个可运行原型都由同一位开发者完成。核心需求 • 应用类型：移动应用，需一次开发同时覆盖 iOS 与 Android。 • 开发...

HL-40226219

Earin M-2 Earbuds: Upgrade and Miniaturization

Custom TWS Earbuds Prototype - Earin M-2 Miniaturization** UNIVERSITY PROJECT: Redesign Earin M-2 earbuds SMALLER to reduce ear protrusion. CURRENT SPECS: 24×15...

HL-40226235

Bangun Aplikasi Perangkat Lunak

Saya ingin merealisasikan sebuah aplikasi perangkat lunak dan membutuhkan bantuan pengembang berpengalaman untuk memulainya dari nol. Fokus utama saya adalah: •...

HL-40226073

Handheld Device Hardware Prototype

I am developing a compact handheld consumer device prototype that requires integration of a rechargeable battery and small electronic module inside a custom 3D...

HL-40225589

USB-Gamecontroller Umbau: Originaler Straßenbahn-Fahrhebel

Ich besitze einen originalen Fahr-/Bremshebel aus einer Bremer Niederflurstraßenbahn Typ GT8N. Dieser Hebel soll nicht als Sammlerstück, sondern als voll funkti...