
Open
Posted
•
Ends in 1 day
Paid on delivery
Full-Stack Developer with IoT Agent Experience We are looking for an experienced developer to build a modular system consisting of: Central Server (Cloud Backend) • Multi-tenant user and role management. • Reliable data management with Supabase / PostgreSQL (or equivalent). • Secure API (REST/GraphQL/WebSocket) for real-time communication with edge devices. • Media/file management (audio, schedules, messages) in a scalable way. • Monitoring, logging, and reporting integrations. Edge Agent (Device-Side) • Development of a lightweight Agent running on small Linux-based devices (ARM – Raspberry Pi / NanoPi / similar). • Multi-device management: registration, heartbeat, logs, OTA updates, two-way sync with the server. • Real-time communication with the central server (MQTT / WebSocket / HTTPS). • Offline support with local caching and task execution. UI/UX • Professional web management interface (React / Vue / Angular) in English and Hebrew (RTL support). • Dashboards for user, device, and system management. • Clear, modern, user-friendly design. Technical Requirements • Proven experience with Backend (FastAPI / Go / Node.js) and Frontend (React/Tailwind/[login to view URL]). • Strong database skills (PostgreSQL / Supabase / Firebase or equivalent). • Experience in IoT development – Docker on Linux ARM devices. • Knowledge of MQTT/WebSocket secure communication. • Bonus: OTA tools (Mender/Balena), WireGuard/Tailscale. What we are looking for: • A developer who understands both backend and device-side agents, and can connect them together. • Ability to design a stable, scalable architecture ready for future features. • Long-term collaboration potential. A full project specification (system architecture and strategy) will be shared with the selected developer.
Project ID: 39733617
145 proposals
Open for bidding
Remote project
Active 22 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
145 freelancers are bidding on average $3,825 USD for this job

Hello, I understand you are seeking a full-stack developer with IoT experience to create a modular system comprising a central server, edge agent, and a user-friendly interface. My approach will involve building a robust cloud backend with secure API functionalities to ensure real-time communication and efficient data management. For the edge agent, I will develop a lightweight solution for Linux-based devices, ensuring reliable multi-device management and offline support. The UI/UX design will prioritize user-friendly features and support for both English and Hebrew, ensuring a seamless experience for all users. I'm excited to potentially collaborate on this project and bring your vision to life! What specific features are considered essential for the UI/UX design to meet your expectations? Thanks, Muhammad Awais
$3,000 USD in 12 days
9.0
9.0

Having over 10 years of experience in web and mobile development, specializing in IoT solutions, I understand the complexities involved in building a modular system like the one you described. From multi-tenant user management to real-time communication with edge devices, I have the expertise to deliver a robust and scalable solution for your project. In the realm of IoT development, I have successfully completed projects that involve secure API communication, edge device management, and real-time synchronization. My experience with FastAPI, React, and database technologies like PostgreSQL align perfectly with the technical requirements of your project. In the past, I have worked on similar projects in the IoT space, ensuring seamless integration between backend systems and device-side agents. My focus on stable and scalable architecture design will lay a solid foundation for future enhancements and features on your platform. I am excited about the opportunity to collaborate on this project and bring my expertise to the table. If you are interested in discussing how we can make your IoT-enabled system a reality, feel free to reach out. Let's work together to build something extraordinary.
$2,400 USD in 30 days
8.1
8.1

Dear Hiring Manager, I am excited to submit my proposal for the IoT-Enabled Full-Stack Developer position. With a strong background in Full-Stack development and IoT expertise, I am confident in my ability to deliver a modular system that meets your requirements. For the Central Server, I will implement a robust multi-tenant user management system, secure API for real-time communication, and efficient data management using PostgreSQL. On the Edge Agent side, I will create a lightweight Agent for Linux-based devices, ensuring seamless communication with the server and offline support. In terms of UI/UX, I will design a professional web interface with dashboards for easy management in both English and Hebrew, focusing on a modern and user-friendly design. My technical skills in Backend (Node.js), Frontend (React), and database management, coupled with IoT development experience, make me a suitable candidate for this project. I am committed to designing a stable and scalable architecture that aligns with your long-term goals. I am eager to discuss the project further and share insights on how I can contribute to its success. Please find my portfolio links for your reference. Thank you for considering my proposal. I look forward to the opportunity to work together. Sincerely,
$3,000 USD in 60 days
8.2
8.2

Hello, I hope this message finds you well. My name is Narayanan S., and I am a web and mobile app expert with over 12 years of experience in the industry. I have successfully completed more than 100 projects on Freelancer, all maintaining a perfect 5-star rating. I see that your project requires strong skills in web and mobile app development, particularly with React.js and Node.js, which align perfectly with my expertise. I have extensive experience in creating responsive and high-performing applications that cater to user needs. Recently, I completed a project for a client where I developed a cross-platform mobile app using React Native and integrated it with a Node.js backend. This app included features like user authentication, real-time notifications, and seamless API integration, resulting in a significant increase in user engagement. For your project, I suggest a high-level plan that includes gathering requirements, designing the UI/UX, developing the frontend and backend, and thorough testing before deployment. I am eager to discuss your vision in more detail and tailor my approach to meet your specific needs. Thank you for considering my proposal. I look forward to the opportunity to work together. Best regards, Narayanan S.
$2,250 USD in 7 days
6.8
6.8

Most IoT projects struggle with integration and scalability until we build a cohesive system that harmonizes backend and edge devices. I propose a modular architecture that connects a robust cloud backend with lightweight edge agents. Here’s how I can help: - Develop a multi-tenant server using FastAPI and PostgreSQL for solid data management. - Create a reliable edge agent for Linux devices with real-time communication and offline support. - Design a user-friendly web interface using React, ensuring full RTL support for Hebrew. In a recent project, I helped a healthcare company streamline their IoT operations, reducing device management time by 30% while enhancing data reliability. As a tip, consider focusing on the user experience early on; a well-designed interface can significantly improve adoption rates. Let me know if you’d like to discuss a tailored approach for your project.
$2,700 USD in 15 days
6.6
6.6

Hello, I understand that you need a skilled full-stack developer with IoT experience to create a modular system that includes a central server and edge agents for seamless communication. My approach will focus on building a reliable cloud backend with robust data management and secure APIs to ensure real-time interaction with devices. For the device-side agents, I will develop lightweight applications that can effectively manage multiple devices and support offline capabilities for efficiency. With proven expertise in both backend and frontend technologies like FastAPI, Node.js, React, and PostgreSQL, I am well-equipped to design a scalable architecture that meets your requirements and supports future enhancements. I am excited about the opportunity for long-term collaboration and to contribute to a project that has significant potential. What specific features or metrics do you consider essential for monitoring and logging in this system? Thanks, Shamshad
$3,000 USD in 22 days
6.5
6.5

Hi, This is Elias from Miami. I’ve checked your requirements and understand you’re building a modular IoT system with a cloud backend, edge agent, and modern management UI. With 10+ years in full-stack and IoT projects, I’ve delivered platforms combining FastAPI/Node.js backends, React dashboards, and lightweight Linux agents (Dockerized on ARM devices). I’ve also implemented MQTT/WebSocket comms, OTA updates, and device fleet management at scale. Please see my previous IoT and SaaS projects that share similar architecture. I’d love to discuss how I can structure this for reliability, scalability, and smooth device–server sync. A few questions I’d like to clarify early: Q1: For the edge agent, do you prefer an always-connected model (persistent MQTT/WebSocket) or a hybrid with scheduled sync + offline task execution? Q2: Should OTA updates be container-based (Docker image refresh) or binary-level with tools like Mender/Balena? Q3: For the web UI, do you need Hebrew/RTL support at MVP, or can we phase it after English launch? Q4: Are you leaning toward Supabase for backend + auth, or should I set up a custom PostgreSQL with self-hosted APIs for tighter control? Looking forward to your thoughts. Regards, Elias
$2,250 USD in 7 days
6.7
6.7

Having worked in web development for over seven years, I have amassed considerable skills and experience in the specific areas your project requires. I'm adept at both front-end and back-end development, with proficiency in popular frameworks like React, Vue.js, Angular and alike. I also possess a high level of database management expertise with a focus on PostgreSQL and other platforms such as Supabase, MongoDB and Firebase which I have employed throughout my professional career to efficiently handle large datasets. My involvement in AI & ML projects which sometimes require dealing with IoT devices has given me a solid understanding of architecture design and scalable application development. In addition, my DevOps capabilities encompassing AWS, Docker and Kubernetes have proven invaluable in ensuring seamless deployment as well as optimal performance throughout the development process. By engaging me for this critical project, you're guaranteed not only a creative software craftsman but also a keen problem-solver. My collaborative spirit will make me an excellent fit for connecting the backend and device-side agents cohesively to create a stable ecosystem that robustly hinges the different parts of your system together.
$3,000 USD in 30 days
6.3
6.3

Hello, I truly appreciate the opportunity to work on your IoT-Enabled Full-Stack Development project. Understanding the depth of your requirements, I am excited to bring my expertise in both backend and device-side development to help build your modular system. I specialize in creating scalable architectures that merge a robust cloud backend with efficient edge agents. My services include: - Building a secure and reliable API for real-time communication using REST/GraphQL/WebSocket. - Leveraging PostgreSQL and Supabase for effective data management. - Crafting professional UI/UX interfaces with support for both English and Hebrew, ensuring a modern, user-friendly experience. - Implementing multi-device management and OTA updates on small Linux-based devices. For your project, I can ensure: - Clean, maintainable code with the ability to iterate based on feedback. - 6 months of free post-launch support to fine-tune the system as needed. I invite you to review my work, including related projects such as IoT dashboards and multi-tenant applications: https://www.freelancer.in/u/ixorawebmob **Estimated Timeline:** - UI/UX Design: 7–10 days - Development: 20–25 days - Testing & Launch: 5–7 days Let's connect via chat or call to discuss your project further! Thanks, Arpit
$2,500 USD in 20 days
7.4
7.4

Osem, Could you clarify the specific features you’d like prioritized in the modular system? For instance, is it the multi-tenant user management or the real-time communication you want to focus on first? I’ve spent the last 5+ years developing cloud-based systems and IoT solutions. My expertise includes backend development with FastAPI and Node.js, as well as frontend with React/Next.js. I have hands-on experience in PostgreSQL and working with ARM-based devices for data management. With this project, I’m confident I can build a stable and scalable architecture to connect the backend and edge agents effectively. I’m always open to discussing long-term collaboration. Let’s discuss further details! Regards, Atta
$3,000 USD in 30 days
6.0
6.0

We are a small team with a strong track record in IoT, full-stack development, and cloud-native architectures, and we would be excited to support your project. Our dedicated team includes experts in backend, frontend, and IoT edge development, allowing us to deliver a robust and scalable modular system end-to-end. Have a Strong Reference in Tel Aviv. Looking forward. Thanks!!
$2,250 USD in 7 days
5.8
5.8

Hi osem1980, I came across your project "IoT-Enabled Full-Stack Dev Needed" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in Mobile App Development, Node.js, Full Stack Development, PostgreSQL. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
$2,200 USD in 30 days
5.6
5.6

Hey There!!! ⭐⭐⭐⭐ full-stack + iot system with real-time edge connectivity ⭐⭐⭐⭐ I understand you're looking to build a robust, modular IoT system with a cloud backend, edge device agent, and modern web interface. The project covers secure real-time communication, multi-device control, and a scalable architecture—something I’ve worked on across several edge-connected systems. Here’s my plan: * Backend using FastAPI or Node.js with PostgreSQL/Supabase for multi-tenant data * Secure REST/WebSocket/MQTT communication with JWT and role-based access * Device-side agent built for Linux ARM using Docker, with local caching and two-way sync * React with Tailwind for responsive RTL-friendly dashboards * OTA and VPN-ready with Mender or Tailscale if needed Project highlights: 1. Real-time secure API with scalable backend 2. Lightweight Linux agent with heartbeat and offline support 3. Modular UI with Hebrew and English support 4. Device monitoring, logging, OTA updates 5. Scalable design for long-term features With 9+ years in full-stack and IoT systems, I offer reliability, great communication, and clean architecture. Let’s build something future-ready together! Best Regards, Farhin B.
$1,515 USD in 15 days
5.9
5.9

Hello Client, We have recently developed asset tracking system track device. We are ready to show demo as well. Regards, Manish
$2,250 USD in 7 days
5.6
5.6

Hello, With expertise in IoT and full-stack development, I propose to build a robust system. The project includes a central server, edge agents, and a professional UI. I have experience in FastAPI, React, and IoT development. Let's discuss the details further. Thanks, John Allen
$2,000 USD in 15 days
4.9
4.9

Hi, I can develop a secure, scalable IoT system with robust backend, lightweight edge agents, and a modern bilingual UI, ensuring seamless integration and long-term reliability. Can we discuss on chat. Regards Abhishek
$2,250 USD in 7 days
5.5
5.5

Hello, I am an expert with 15+ years of experience in the technical world, delivering simple to complex websites, e-commerce platforms, membership systems, and custom portals. I ensure clear communication, continued support after delivery, and 100% client satisfaction. I specialize in Mobile App Development, creating fast, user-friendly, and feature-rich apps for both Android and iOS. My focus is on modern UI/UX, API integration, real-time features, and cross-platform compatibility, ensuring your app is scalable and future-ready. If you are looking for a dedicated Mobile App Developer who delivers quality, innovation, and timely results, I’d be happy to bring your project to life. Best regards, Dev
$1,500 USD in 7 days
5.2
5.2

✋ Hi there. I can build a full-stack IoT system with cloud backend, edge devices, and a web management interface. ✔️ I have strong experience in developing IoT platforms with multi-tenant backends, real-time device communication, and React-based dashboards. I previously built a system where Raspberry Pi devices synced with a central server via MQTT and WebSocket, including offline caching and OTA updates. ✔️ I will develop the cloud backend with secure APIs, PostgreSQL for data management, and scalable media handling. On the device side, I will create a lightweight agent with multi-device management, heartbeat, logging, and offline task execution. I will also build a clear web interface with dashboards and RTL support. ✔️ The system will be modular, secure, and scalable, with monitoring and logging integrated for easy maintenance and future feature expansion. Let's chat so I can go over your requirements and start building the system. Best regards, Mykhaylo
$2,250 USD in 7 days
4.6
4.6

Hi There!!! I have studied your project description very well and understand you are seeking a full-stack developer with strong IoT expertise to build a modular system with both a cloud backend and edge-side agent for real-time device communication and management. I am the best fit for the project because I have hands-on experience developing IoT systems from device to cloud with real-time sync and secure communication. * I have built lightweight agents for ARM-based devices (like Raspberry Pi) supporting MQTT, WebSocket, and OTA updates. * I have designed multi-tenant backend systems using FastAPI and PostgreSQL with secure APIs and media handling. * I am skilled in RTL-supported frontend development using React and Tailwind with clear, modern UI/UX. My basic services will include backend and frontend development, Docker-based device agent setup, API security, testing, deployment support, source code, and documentation—all essential for your project. I have 9+ years experience as a full stack developer working on cloud-connected IoT systems using MQTT, WebSocket, FastAPI, and device monitoring with dashboards. I have delivered similar projects involving real-time sync between Raspberry Pi agents and cloud dashboards with multi-user management and OTA features. Looking forward to chat with you for make a deal. Best Regards, Elisha Mariam!
$1,616 USD in 21 days
4.4
4.4

Hello! {{{I have developed similar task based solutions I can show you demo DEMO }}} also 2 year free support and maintenance Your project scope is clear and aligns perfectly with my expertise in IoT systems, backend architecture, and full-stack development. I have experience building cloud backends with FastAPI/Node.js + PostgreSQL/Supabase, developing lightweight agents on Linux ARM devices (Dockerized), and implementing secure real-time communication via MQTT/WebSockets. For your system, I can deliver: Cloud Backend with multi-tenant role-based access, secure APIs, and reliable media/file handling. Edge Agent capable of registration, OTA updates, heartbeats, and offline-first caching on Raspberry Pi/NanoPi devices. Web Management UI (React + Tailwind, with RTL support for Hebrew) featuring intuitive dashboards for devices, users, and system monitoring. Scalable Architecture designed for stability, security, and easy future feature expansion. I also bring experience with OTA frameworks (Balena, Mender), VPN-based device management (WireGuard/Tailscale), and real-time dashboards. My approach is to create a modular, production-ready system that’s easy to extend and maintain for the long term. If you’d like, I can propose a high-level architecture draft before diving into implementation, so we’re aligned on design and scalability from day one. Looking forward to discussing your project and collaboration. Best regards, Sushma
$1,500 USD in 7 days
4.2
4.2

Tel Aviv, Israel
Payment method verified
Member since Jun 21, 2021
$8-15 USD / hour
$250-750 USD
$15-25 USD / hour
min $50 USD / hour
₹75000-150000 INR
₹1500-12500 INR
min £36 GBP / hour
$30-250 CAD
₹1000-2500 INR
$1500-3000 USD
₹12500-37500 INR
₹750-1250 INR / hour
$250-750 USD
₹1500-12500 INR
$15-25 USD / hour
$25-50 USD / hour
₹12500-37500 INR
$30-250 USD
₹37500-75000 INR
$750-1500 CAD
$250-750 USD
$1500-3000 USD
₹600-1500 INR