
Closed
Posted
Paid on delivery
We are seeking experienced Hardware and Firmware Development Engineers to lead the end-to-end development of a consumer-grade embedded IoT system. This is a collaborative project requiring close coordination between hardware and firmware teams to deliver a production-ready industrial IoT device with advanced wireless capabilities and sensor integration. HARDWARE DEVELOPMENT ENGINEER Key Responsibilities: - System-level hardware architecture and design freeze - Component selection (MCU/SoC, power ICs, storage interfaces, wireless modules) - Schematic design and PCB layout (high-speed + mixed-signal, EMI-aware) - Power integrity, grounding, shielding, and DFM/DFA compliance - Prototype fabrication support and manufacturer Q&A - Hardware bring-up support and validation with firmware engineer - Clear documentation for handover and future revisions Deliverables & Milestones: Milestone 1 – System Architecture & Design Freeze (10 days): - System block diagram - MCU/SoC selection with justification - Storage interface definition - Power budget & thermal assumptions - Preliminary BOM with cost estimates - Key risks & assumptions documentation Milestone 2 – Schematic Design + PCB Layout (14 days): - Complete Altium schematic and PCB layout - ERC/DRC-clean design - Stack-up and impedance details - Manufacturing files (Gerber, PnP, BOM) - Design notes (PDF + native files) Milestone 2-Extension – Prototype Fabrication Support: - Manufacturer Q&A support - Assembly file verification - Footprint/polarity confirmation Milestone 5 – Integration & Handover (7 days): - Schematics, PCB files, BOM handover - Bring-up notes - Hardware validation support - Test points/debug guidance FIRMWARE DEVELOPMENT ENGINEER Key Responsibilities: - Develop, optimise, and debug firmware for industrial IoT devices - Integrate wireless communication protocols (Wi-Fi, BLE) and sensor systems - Work with high-speed data interfaces and advanced wireless technologies - Ensure seamless hardware-software integration and system reliability - Collaborate with hardware teams for system bring-up and testing - Participate in hardware validation and integration milestones Required Qualifications: - Proven experience with consumer electronics and mixed-signal designs (Hardware) - Strong background in embedded firmware development for IoT devices (Firmware) - Experience with wireless protocols (Wi-Fi, BLE) and sensor integration - Prior experience with EU/US consumer products strongly preferred - Ability to work collaboratively across hardware-firmware boundaries - Strong documentation and communication skills Preferred Freelancer Locations: China, Japan, Taiwan, South Korea, Thailand, Vietnam, Eastern Europe, India Timeline: Hardware: Fixed by milestones as detailed above (approximately 31 days + fabrication support) Firmware: 2-3 months Both roles must coordinate closely throughout the development cycle Note: Both engineers must strictly adhere to the milestone plan and deliverables. Clear communication and collaboration between hardware and firmware teams is essential for project success. AI/ML Project Overview: Develop a mobile application (iOS/Android) that serves as the interface between our haptic IoT device and Google Gemini's Music AI capabilities, enabling users to generate, customise, and experience music through synchronised haptic feedback. Key Responsibilities AI/ML Integration: Integrate Google Gemini Music Generation API ([login to view URL]) Develop intelligent music generation workflows based on user preferences and haptic profiles Implement real-time audio-to-haptic conversion algorithms Optimise API calls for performance and cost efficiency Create custom music generation parameters and controls PATENT TECHNICAL WRITER Project Overview: This role supports our ongoing Hardware & Firmware Development project for a consumer IoT device that combines: - Haptic feedback technology - AI-driven music generation (integrating Google Gemini Music AI) - Advanced wireless connectivity and sensor integration - Real-time audio-haptic synchronisation Key Responsibilities: - Conduct prior art searches and patentability assessments - Draft detailed patent specifications including claims, descriptions, and technical drawings - Collaborate with hardware, firmware, and AI development teams to understand technical innovations - Document novel aspects of haptic-music integration, sensor technologies, and AI implementation - Prepare provisional and/or non-provisional patent applications - Coordinate with patent attorneys for filing strategy - Create clear technical diagrams and flowcharts for patent illustrations - Ensure comprehensive coverage of hardware, firmware, and software innovations
Project ID: 40312059
29 proposals
Remote project
Active 4 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
29 freelancers are bidding on average €4,092 EUR for this job

As a veteran company at ZAWN Tech, we bring a unique blend of skills and experiences to handle your comprehensive embedded IoT project. Our adaptable team is well-versed in Hardware Development — delivering intricate schematics, PCB layouts, and ensuring DFM/DFA compliance. We understand the nuances of component selection (choosing the right MCU/SoC, power ICs, wireless modules) as well as working with high-speed and mixed-signal interfaces efficiently. With great attention to detail, we also offer rigorous product testing and validation. On the firmware side, we have a proven track record in developing and optimizing embedded software for industrial IoT devices, encompassing advanced wireless protocols integration (Wi-Fi, BLE) and sensor systems. Literally, our collaborative successes span enormous geographical spheres from EU to the US consumer products, thereby understanding and adapting to numerous environments rapidly. Our strengths are rooted in our ability to not just deliver top-tier outputs that satisfy the different project milestones but also maintaining seamless collaboration and communication throughout projects.
€5,000 EUR in 30 days
7.1
7.1

Hello, I can lead your IoT system from concept to production with a strong hardware–firmware co-design approach ensuring reliability and performance. With 12+ years in embedded systems, I specialise in mixed-signal PCB design, RF-aware layouts, and robust firmware for real-world deployment. I will deliver a clean system architecture, optimised component selection, and EMI-compliant multi-layer PCB ready for manufacturing. On firmware, I build scalable RTOS-based systems with stable Wi-Fi/BLE, efficient sensor integration, and seamless hardware bring-up. For your AI vision, I will implement low-latency audio-to-haptic mapping with optimised API integration for smooth user experience. My focus is always first-pass success in fabrication and stable prototypes, reducing costly iterations. I maintain clear documentation, structured milestones, and strong communication across all phases. I understand that synchronisation, power integrity, and wireless stability are critical, and I design for them from day one. You will get a production-ready, scalable, and well-documented solution—not just a prototype. I am confident I can deliver this project with precision, speed, and engineering depth. Regards, Engineer Muhammad Usman Hardware & Software Developer | Embedded Systems (12+ Years Experience)
€3,000 EUR in 7 days
6.6
6.6

Hi there, I read your full brief and I can take the Hardware Development role, delivering end-to-end embedded IoT hardware aligned with your milestone plan while collaborating closely with firmware teams. I’m Samuel Tshibangu, a mechatronics engineer with strong experience in consumer embedded systems, mixed-signal PCB design, wireless integration (Wi-Fi/BLE), and EMI-aware layouts. I can handle system architecture, component selection, schematic + PCB (Altium/KiCad), power integrity, and DFM-ready outputs, along with bring-up and validation support. I’ll follow your milestones strictly (architecture freeze → schematic/layout → fabrication support → handover) with clear documentation and smooth hardware–firmware integration. Best regards, Samuel Tshibangu
€4,000 EUR in 7 days
6.3
6.3

I have over a decade of experience in web and mobile development, specializing in a wide range of technologies such as WordPress, Shopify, Magento, Python, Django, and more. I understand the challenges in developing a consumer-grade embedded IoT system that requires close collaboration between hardware and firmware teams to deliver a seamless product. In the realm of IoT, I have successfully delivered projects in the FinTech and HealthTech sectors, showcasing my ability to create innovative solutions that meet specific industry needs. My expertise in AI/ML development further complements the requirements of your project, enabling me to integrate Google Gemini's Music AI capabilities seamlessly. For your hardware and firmware development needs, I bring a wealth of experience in system architecture, MCUs/SoCs selection, PCB layout, and more. My track record in delivering high-quality products on time and within budget aligns perfectly with the deliverables and milestones you have outlined. Let's collaborate closely to bring your vision to life. Feel free to reach out to discuss how we can work together to ensure the success of your project.
€4,000 EUR in 45 days
6.0
6.0

Hello, We've thoroughly reviewed your project requirements for the development of a consumer-grade embedded IoT system. Your need for expert coordination between hardware, firmware, and AI-driven music generation aligns perfectly with our expertise. We've successfully executed projects involving similar intricate integrations in IoT and AI domains. Our team, led by Puru Gupta, excels in end-to-end AI-first product development. We recently completed a project that involved building an intelligent IoT interface with advanced sensor integration and real-time data processing, paralleling your current needs. This experience ensures that we understand the nuances of seamless hardware-software integration and patent technical writing. With over 8 years of experience and recognition as a top 1% freelancer, we bring unmatched skills in AI, LLMs, RAG systems, and web platforms. Our expertise in developing scalable, secure systems using technologies like FastAPI, n8n workflows, and cloud-native architectures will enhance your project’s success. Please message us with more details so we can provide a detailed, tailored proposal within 24 hours. We look forward to a potential collaboration. Best regards, Puru Gupta and Team
€5,000 EUR in 30 days
5.4
5.4

I have carefully reviewed your end-to-end requirement for a consumer-grade embedded IoT system covering hardware, firmware, AI/ML integration, mobile app development, and patent documentation, and clearly understand the complexity and collaborative nature of this project. With 10+ years of experience across embedded systems, IoT architecture, mobile app development, and AI integrations, I can contribute effectively across system design, firmware coordination, and mobile application development with Gemini API integration. I have hands-on experience with BLE/Wi-Fi communication, real-time data synchronization, and scalable system architecture, ensuring seamless hardware-software interaction and low-latency performance. I follow a structured, milestone-driven approach, ensuring clear documentation, smooth collaboration between teams, and production-ready deliverables aligned with your timeline and quality expectations. I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE, WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES. I am ready to collaborate closely with your hardware, firmware, and patent teams and can start immediately. I eagerly await your positive response. Thanks.
€4,500 EUR in 7 days
5.2
5.2

With over a decade of experience in hardware and firmware development in the field of industrial automation, I am convinced that I am the ideal candidate for your project. From wastewater treatment plants to water treatment plants, I have seen my work make a real impact on various industries. Throughout my career, I have designed circuits and written system software with programs like TIA Portal and Simatic Manager, skills which make me confident in delivering sterling results for your IoT device. Additionally, my experience with SCADA (WinCC), Energy Automation(HES), and ventilation systems using ABB AC500 PLC has equipped me with extensive knowledge on how to best combine hardware and firmware to deliver flawless IoT devices. Furthermore, I have the agility to use different programs such as OMRON PLC, Honeywell DCS C200 depending on the given scenario. And most importantly, my understanding of the importance of clear documentation and report templates is crucial to your handover requirements.
€4,000 EUR in 28 days
5.2
5.2

Hi there, I'm Kristopher Kramer from McKinney, Texas. I’ve worked on similar projects before, and as a senior full-stack and AI engineer, I have the proven experience needed to deliver this successfully, so I have strong experience in Gemini, Patents, Electrical Engineering, PCB Layout, Electronics, Embedded Systems, Artificial Intelligence, AI (Artificial Intelligence) HW/SW, Circuit Design and Bluetooth Low Energy (BLE). I’m available to start right away and happy to discuss the project details anytime. Looking forward to speaking with you soon. Best regards, Kristopher Kramer
€4,000 EUR in 7 days
0.0
0.0

Hello, With a career rooted in cutting-edge technology, I bring a wealth of knowledge to your hardware and firmware development project. My extensive experience in consumer electronics, mixed-signal design, and embedded firmware development for IoT devices make me an ideal choice for this endeavor. Furthermore, my understanding of wireless protocols and sensor integration will be instrumental in creating a robust and reliable industrial IoT solution for you. I have successfully delivered comparable projects that make me fluent in the kind of coordination required for this venture. Speaking of coordination, I excel at bridging the often-fragmented hardware and firmware boundaries. My collaborative approach ensures seamless integration by working harmoniously with both teams throughout the development cycle. Clear communication, thorough documentation, and precise adherence to milestones are hallmarks of my professional practice - attributes essential for successful project completion as outlined by your team. I am confident that with my profound hardware and firmware design expertise, I can navigate challenges promptly on this project and deliver results that exceed Thanks!
€3,000 EUR in 9 days
0.0
0.0

Having successfully spearheaded the end-to-end development of several consumer-grade IoT devices—from initial multi-layer PCB prototyping to global manufacturing—I am confident I can lead the technical execution of your system. My recent work includes a wearable health monitor that integrated real-time Edge AI processing with a cross-platform mobile app, achieving high reliability and strict power efficiency. I understand the unique challenges of balancing hardware constraints with a seamless user experience, and I am prepared to translate your vision into a production-ready, patentable product that stands out in the consumer market. I will begin by architecting a robust hardware foundation using high-efficiency components and a multi-layer PCB design optimized for EMI/EMC compliance and DFM (Design for Manufacturing). For the firmware, I’ll implement a low-latency RTOS or optimized bare-metal C++ to manage sensor data fusion, secure encryption, and seamless OTA updates. On the software side, I plan to leverage a unified mobile framework to integrate your AI models via TensorFlow Lite for on-device inference or RESTful APIs for cloud-based processing. Throughout the development lifecycle, I will document every technical novelty to provide your patent writers with comprehensive descriptions of the underlying IP and unique system architecture. Do you have a preferred wireless protocol in mind, such as BLE, Wi-Fi, or Matter, to ensure interoperability and battery longevity for the end user? Additionally, are there specific regulatory certifications like FCC or CE that we need to prioritize during the initial hardware design phase? I would welcome the opportunity to jump on a brief call to discuss your technical roadmap and see how we can streamline the path from your current prototype to a patent-protected market entry.
€4,454 EUR in 21 days
0.0
0.0

Hi there, I am thrilled to see your project focused on developing a consumer-grade embedded IoT system, as it perfectly aligns with my expertise. With extensive experience as a top freelancer from California, I've successfully led similar hardware and firmware projects, enjoying a 5-star rating from my previous clients. My strengths lie in crafting system-level hardware architecture, ensuring seamless integration between hardware and firmware, and delivering exceptional documentation for future revisions. Understanding the crucial need for collaboration across teams, I’m confident I can drive the project's milestones forward effectively. I can oversee the hardware design and ensure stringent adherence to your timeline, while also fostering communication around firmware development to ensure a robust end product. Together, we can deliver an IoT device with exceptional wireless capabilities and sensor integration that resonates with your vision. What specific challenges do you foresee in integrating wireless communication protocols for this embedded IoT system? Thanks,
€4,885 EUR in 2 days
0.0
0.0

I have guided several consumer-grade IoT projects from initial PCB design to production, including a recent wearable integrating real-time data processing and a custom mobile interface. My background aligns with your need for a multidisciplinary lead who bridges the gap between low-level firmware optimization and high-level AI integration. By combining technical execution with patent-ready documentation, I ensure your intellectual property is as robust as the physical hardware itself. My roadmap involves utilizing Altium for multi-layer PCB layout with a focus on signal integrity and power management. I will implement firmware using a modular C framework on FreeRTOS for low-latency communication between sensors and the edge-AI model, optimized via TensorFlow Lite Micro. For the mobile layer, I prioritize Flutter for unified performance, ensuring seamless OTA updates and secure TLS encryption. I maintain a technical log to simplify patent drafting, detailing novel claims and unique hardware architectures as they emerge. Regarding the AI component, is the focus on on-device recognition or cloud-based inference? I’d also like to know your preferred wireless protocol—BLE or Wi-Fi—as this dictates our power budget and component selection. I am available to chat or jump on a call to discuss how we can expedite the prototyping phase while securing your technical innovations through precise and professional documentation.
€4,400 EUR in 21 days
0.0
0.0

Hello!!! Quantum Code Solutions is prepared to lead the end-to-end development of your IoT system and AI-driven mobile application. Our team specializes in high-speed PCB layout, EMI-aware design, and seamless firmware integration for Wi-Fi/BLE enabled consumer electronics. We have successfully delivered similar projects involving real-time audio-to-haptic conversion and Google Gemini API workflows. We will handle everything from Altium schematics to the intelligent music generation layer, while our technical writers document every innovation for patent filing. Best regards, Quantum code solutions
€3,000 EUR in 7 days
0.0
0.0

Hi, I’m Karthik, a Full Stack Architect with 15+ years of experience delivering IoT, AI, and mobile platforms end-to-end. I can lead and coordinate your **hardware, firmware, AI, and mobile app integration** ensuring smooth delivery across all milestones. **What I bring:** • System architecture (device → firmware → cloud → mobile → AI) • IoT expertise (BLE/WiFi, sensors, haptics, device communication) • Mobile app (Flutter/React Native) with Gemini Music AI integration • Backend APIs (Node/Python), real-time sync, WebSockets • Strong testing, CI/CD, and deployment support **Patent Support:** • Technical documentation, diagrams, and coordination with patent writers I focus on structured execution, cross-team collaboration, and production-ready delivery. Ready to start and align on timeline & milestones. Thanks, Karthik
€4,990 EUR in 7 days
0.0
0.0

Garches, Greece
Payment method verified
Member since Feb 9, 2020
$30-250 USD
€250-750 EUR
₹600-1500 INR
$10-30 USD
$10-30 USD
₹750-1250 INR / hour
₹12500-37500 INR
₹12500-37500 INR
$250-750 USD
$750-1500 USD
$3000-5000 USD
$30-250 USD
£1500-3000 GBP
₹1500-12500 INR
€30-250 EUR
$10-30 USD
$25-50 USD / hour
₹1500-12500 INR
$250-750 USD
$3000-5000 USD
$1500-3000 USD
$250-750 USD
$20-30 SGD / hour
£10-20 GBP
$30-250 USD