
Completed
Posted
Paid on delivery
I’m building a truly mobile-first energy management system that must run smoothly on both iOS and Android from day one. The app will let end-users watch their energy usage in real time, control connected devices remotely, and pull clear consumption reports, all from their phones. Authentication will rely on a classic email-and-password flow reinforced by a one-time verification code before access is granted. I’m open to expanding to social or biometric login later, but they are not part of this initial scope. Beyond the three core features above, I also need: • Behaviour-pattern monitoring to surface efficiency tips and anomalies • A financial registration module, ready to plug into a payment interface when required • Continuous status/error monitoring for every device linked to the system • Separate dashboards and login flows for standard users versus facility managers Deliverables I expect: • Universal mobile app (Swift/Kotlin, React Native, or Flutter—use what you’re fastest with) fully tested on current iOS and Android versions • Secure back-end and API endpoints supporting the listed features • Clear, concise documentation covering build steps, API routes, and user/manager role separation • Source code in a Git repo, handed over at project completion The system needs to be lightweight, intuitive, and ready for incremental feature upgrades after launch. If you have proven experience with energy IoT, real-time data streams, or similar SaaS dashboards, that’s a big plus—let’s create something powerful together. Technical Requirements Frontend React.js Responsive design Mobile-first UI Desktop support Modern lightweight interface Compatible with iOS and Android browsers Compatible with major desktop browsers Fast performance on low-bandwidth connections Backend Node.js REST API Database integration Secure authentication Real-time or near-real-time energy status updates Role-based access for managers and guests
Project ID: 40639063
211 proposals
Remote project
Active 6 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

Hi Johan, I understand you need a mobile-first energy management system with real-time usage monitoring, remote device control, consumption reporting, and separate user/manager dashboards. I can build this using React/React Native with a Node.js backend, secure email/password + OTP authentication, REST APIs, role-based access, and near-real-time device status and error monitoring. I can also structure the backend for behaviour/anomaly monitoring and future payment integration, while keeping the system lightweight, scalable, and easy to extend. I’ll provide tested iOS/Android builds, clean source code in Git, API documentation, and clear deployment instructions. Looking forward for your positive response in the chatbox. Best Regards, Hunain H
€250 EUR in 7 days
2.9
2.9
211 freelancers are bidding on average €229 EUR for this job

Hello, I checked your "Mobile Energy Management System Development" project description, it looks like the focus is on delivering a clean, responsive website that works well across all devices. I prefer understanding the expected layout and user experience first, then building pages that closely match the design while keeping the code organized and easy to maintain. Feel free to share the design or current website, and I'll suggest the best implementation along with a realistic timeline. Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
€98 EUR in 5 days
7.9
7.9

Hello, As the founder of A4Logic with over 15 years of diverse experience, including extensive knowledge in Mobile App Development and JavaScript skills, I am confident that I can bring immense value to your project and ensure it thrives. I also find a natural fit with the Technical Requirements you have outlined. I'm well-versed with Android and iOS development through Flutter, React Native, and Kotlin/Swift which will allow me to create a truly powerful mobile-first energy management system that aligns with your objectives. Additionally, my command on backend technologies like Node.js and REST APIs combined with my talent for database integration will help me set up a robust, secure backend for your system - one that supports real-time energy status updates, role-based access, and more. My commitment to clean code writing coupled with my expertise in cloud deployment will guarantee a lightweight yet high-performing application that is ready to scale and easy to upgrade as per future needs. Let's collaborate to create something great: a fast, intuitive, and secure energy management system that helps end-users effectively manage their energy consumption while providing you the full control you need as a facility manager. Thanks!
€130 EUR in 3 days
7.9
7.9

With a strong background in developing mobile-first applications, I understand the need for a seamless energy management system for both iOS and Android platforms. My experience in building similar real-time monitoring and remote control apps equips me to tackle your project effectively. How do you envision user engagement and retention strategies within the app to ensure long-term usage and satisfaction? Regards, Yogesh Kumar
€60 EUR in 7 days
7.8
7.8

Our approach combines technical excellence with domain expertise to develop a mobile-first energy management system. Using React Native for frontend and Node.js for backend, we ensure seamless cross-platform functionality and real-time data processing. Security features include one-time verification codes and role-based access control. Real-time energy monitoring, behavior-pattern analysis, and extensibility for future integrations are key features. Agile development ensures scalability and ease of maintenance. Let's collaborate to build a cutting-edge energy management platform that aligns with your vision and business goals.
€225 EUR in 5 days
7.6
7.6

Hi, this is a substantial custom app and backend build, not just a simple frontend task, and I’ve worked on systems that need clean role separation, secure login flows, and real-time status handling. For this kind of energy dashboard, I’d focus on a lightweight mobile-first interface with a stable Node.js API structure so future upgrades stay manageable. I can handle the full flow from app screens to backend endpoints, testing, and clean documentation. If you want, I can also outline the best first-release structure here before we begin.
€250 EUR in 7 days
7.4
7.4

Hey, I’ve carefully reviewed your project, and I understand you need a mobile-first energy management platform that combines real-time monitoring, device control, reporting, and role-based dashboards across iOS and Android. I can build the system with a lightweight architecture designed for reliable data updates and future expansion. I will develop the React-based responsive interface, Node.js REST API, secure email/password plus verification-code authentication, real-time energy/device status, consumption reporting, anomaly and efficiency insights, financial registration, and separate user/manager access. I’ll also thoroughly test the mobile experience, document the API and role structure, and deliver the complete source through Git. I have hands-on experience with similar real-time dashboards and IoT-style applications and would be happy to share relevant examples during our discussion. One quick question: What protocol or API currently provides the energy and connected-device data? Portfolio: https://www.freelancer.com/u/Hammadhassan21 Best Regards, Hammad Hassan
€200 EUR in 10 days
7.4
7.4

Hi, I have extensive experience in developing mobile applications using React Native, ensuring seamless performance on both iOS and Android platforms. For the Mobile Energy Management System project, I will create a user-friendly interface for real-time energy monitoring and device control. Authentication will be implemented with email-and-password verification, with potential for future expansion. In addition to the core features, I will integrate behavior-pattern monitoring, financial registration, and continuous device status monitoring. Separate dashboards for users and facility managers will be included. Deliverables will comprise a universal mobile app, secure back-end with API endpoints, comprehensive documentation, and Git repository handover. With expertise in energy IoT and SaaS dashboards, I am well-equipped to deliver a lightweight, intuitive system ready for future enhancements. Let's collaborate to build a powerful solution. Thank you.
€75 EUR in 2 days
6.6
6.6

Hello Building a truly mobile-first energy management app presents unique UX challenges. My experience developing intuitive, responsive interfaces for demanding mobile applications, including , will ensure your users have a seamless and effective experience. I'm eager to discuss how I can help you achieve a powerful, user-centric launch. Let's connect Giáp Văn Hưng
€250 EUR in 7 days
6.7
6.7

Hi there, I understand your requirement for a mobile-first energy management system that functions seamlessly on both iOS and Android. I can leverage my skills in React Native to create an intuitive app that showcases real-time energy usage, allows device control, and generates consumption reports. I'll ensure that the solution includes a robust back-end with secure API endpoints, plus thorough documentation for easy future enhancements. Your satisfaction is my priority, and I guarantee a high-quality result. Regards, Ali
€30 EUR in 1 day
6.4
6.4

Hello, I understand this is a real-time IoT energy platform where reliability, secure role separation, and responsive data delivery are more important than simply building a mobile UI. I’d recommend React Native + TypeScript for the iOS/Android app and Node.js for the backend, with REST APIs and WebSockets for near-real-time device telemetry and status updates. Authentication will use secure email/password plus one-time verification, with RBAC separating end users and facility managers. I’ll structure the system for live consumption monitoring, remote device control, historical reporting, anomaly/behavior analysis, device health monitoring, and a payment-ready financial module. The backend will include validation, secure credential handling, audit logging, error recovery, and scalable data storage. The architecture will be modular so future biometric/social authentication, additional devices, and payment integrations can be added without rebuilding the core system. I’ll test across current iOS/Android versions and low-bandwidth scenarios and provide complete source, API documentation, and deployment instructions. Best regards
€30 EUR in 1 day
6.4
6.4

Hi there, Energy management systems often run into high latency, dropped device telemetry, and heavy battery drain when mobile apps rely on constant polling for real-time updates. The priority isn't just delivering cross-platform screens—it's establishing an efficient data pipeline where device updates, anomaly alerts, and role-segregated management controls sync in real time without lag or auth state breaks. I recommend a React Native / Node.js stack with WebSockets: • React Native & Mobile-First UI: Delivers a single cross-platform app codebase (iOS/Android) with crisp mobile and desktop browser compatibility for managers. • Node.js REST API + WebSockets: Handles real-time device telemetry streams, continuous device error monitoring, and instant anomaly alerts without excessive mobile data usage. • Secure RBAC & Auth: Email/OTP access control isolating Guest and Facility Manager dashboards, coupled with scalable database schemas ready for financial integrations. I've engineered cross-platform IoT dashboards handling real-time sensor streams and role-based access with under 100ms sync latency. If you'd like, send over your device connection protocols or initial database layout, and I'll outline a lightweight system architecture plan for your team to review.
€140 EUR in 7 days
6.5
6.5

Hi, I understand you’re looking to build a mobile-first energy management system that works smoothly across iOS and Android, allowing users to monitor energy usage in real time, control connected devices remotely, and access clear consumption reports. I will build the mobile application using Flutter with a secure Node.js REST API and database backend. I’ll implement email/password authentication with one-time verification, separate user and facility manager dashboards, real-time device status and error monitoring, consumption reports, behaviour-pattern insights, and the financial registration module so it can be connected to a payment system later. I have experience working with Flutter, Node.js, real-time dashboards, and API-based applications, so I understand the importance of reliable data updates and a clean architecture that can support future IoT and SaaS features. I can complete the initial version within 6–8 weeks, with a realistic budget of $2,500–4,000 depending on the device/API integration requirements. Here, you can review my previous work as an experienced professional: https://www.freelancer.com/u/zainalitariq245 I can start immediately. Let's discuss further. Thanks.
€250 EUR in 7 days
6.4
6.4

Hi, I will build the email OTP authentication flow construct device health monitoring pipelines and deliver separate user and manager dashboards backed by secure API endpoints and full documentation. Let us connect on chat to review your IoT device protocols and backend requirements so we can get started. Thanks!
€140 EUR in 7 days
6.6
6.6

Your project is well thought out, and the mix of real-time monitoring, device control, reporting, and manager/user role separation makes it an interesting build. I’d approach it with a clean mobile-first architecture so the app stays fast, intuitive, and easy to extend after launch. I’m comfortable with React/Node-based systems and can deliver tested code, API documentation, and an organized handover repository. Happy to discuss the best tech path through the platform.
€250 EUR in 7 days
6.0
6.0

Real-time device state must stay trustworthy across weak connections and delayed device acknowledgements. I’d build the Node.js/TypeScript API around clear user, manager, device, reading, and command boundaries, then connect the mobile-first React interface to near-real-time updates. Device controls should track requested, acknowledged, and failed states separately; otherwise the UI can show a command as successful before the device confirms it. Role isolation, verification codes, anomaly reporting, low-bandwidth behavior, and device error monitoring would be tested from the start. One scope detail needs resolving: should v1 be an installable React Native app, a responsive React.js web app with desktop support, or both?
€140 EUR in 7 days
5.9
5.9

Hi there, Mobile-first energy management with real-time usage, device control, and role-separated dashboards needs a clean architecture from day one. I’ve spent the last 4 years solving exactly this type of problem. I’ve delivered a React Native IoT dashboard with live status updates and a Node.js control layer for device telemetry, and I built a manager/user portal with secure OTP login and audit-ready API routes. The real risk here is not the UI; it’s keeping state, permissions, and device events consistent across iOS, Android, and the backend without creating latency or role leaks. I’ll design the app around lightweight screens, a secure email/password + verification code flow, and a REST API that cleanly separates guest and manager access. I’ll wire real-time or near-real-time status updates, consumption reporting, anomaly flags, and a financial registration module that can later attach to a payment provider. I’ll keep the codebase modular, documented, and ready for incremental upgrades after launch, with source handover in a Git repo. Best regards, John allen
€155 EUR in 4 days
5.7
5.7

hello, Polling real-time energy telemetry over standard REST endpoints creates heavy server load and drains mobile device battery life quickly. Implementing WebSocket connections or Server-Sent Events with Node.js ensures instant power consumption updates without forcing constant background API requests on mobile devices. For the first milestone, I will set up the React Native mobile foundation, email OTP authentication, and the real-time energy data API. Implementation steps: - Build the cross-platform mobile shell with email and OTP verification screens - Construct Node.js REST and WebSocket endpoints for real-time device power updates - Implement role-based authorization middleware differentiating standard users from facility managers Once core authentication and real-time data streaming are validated, we can build the device control interface and consumption reports. Would you prefer using WebSockets or MQTT for handling real-time device status and energy consumption streams?
€100 EUR in 3 days
6.2
6.2

I am excited about the opportunity to develop a mobile-first energy management system that will enhance users' ability to track their energy consumption and control their devices seamlessly. My experience with similar IoT applications and real-time data management equips me to deliver a secure, efficient, and user-friendly app for both iOS and Android platforms. For this project, I propose to utilize React Native for a universal mobile app, ensuring a responsive design that prioritizes mobile-first UI. I will ensure the backend built on Node.js integrates well with a REST API to provide real-time energy updates and secure authentication for all users. In addition to the core features outlined, I will implement behavior-pattern monitoring and a financial registration module, preparing for future payment integration. Documentation will be comprehensive, covering build steps and API structures to facilitate smooth handover. Let’s make this project a success together by ensuring it is lightweight, intuitive, and primed for future upgrades. What specific features do you envision for the behavior-pattern monitoring? Looking forward to your thoughts and collaborating on this innovative solution. Best, Talha
€30 EUR in 11 days
5.8
5.8

Hello, this is really two systems: a mobile-first control surface and a telemetry backend that has to keep device state, reporting, and role boundaries consistent under continuous updates. The real engineering risk is not the UI layer; it’s state synchronization between live meter feeds, remote control commands, and manager/user views when devices go offline or report late. I’ve built production systems in this category, including Dent-Cloud, a near-real-time energy metering and forecasting platform with Node.js APIs, anomaly detection, dashboards, and RBAC. I’ve also designed monitoring-heavy control architectures where endpoint health and operational telemetry matter as much as the primary user flow. I usually structure this as separate layers for ingestion, command/control, reporting, and auth so device events and user actions do not compete in the same path. For your case, I’d keep REST APIs clean for app flows and isolate the live status channel so reporting remains stable under bursty updates. Behavior monitoring and anomaly surfacing should be grounded in explicit event history, not just current readings, with clear fallback handling for stale device state. These are the kinds of systems I design for long-term production use and incremental feature growth. If useful, I can sketch the backend service boundaries and the device-state flow before implementation. Clifton
€200 EUR in 7 days
5.6
5.6

Hi There! I specialize in mobile energy management systems with 9+ years of experience, building secure React Native/Node.js solutions with real-time IoT data and role-based dashboards. Here’s how I can help: 1. Build iOS/Android apps for usage, controls and reports. 2. Implement secure authentication, device monitoring and alerts. 3. Develop Node.js APIs, real-time updates and manager dashboards. Do you already have the IoT device/API specifications available?
€140 EUR in 7 days
5.3
5.3

Wassenaar, Netherlands
Payment method verified
Member since Nov 23, 2022
€30-250 EUR
€250-750 EUR
min €36 EUR / hour
€30-250 EUR
€30-250 EUR
₹37500-75000 INR
₹37500-75000 INR
₹12500-37500 INR
₹750-1250 INR / hour
$8-15 USD / hour
₹750-1250 INR / hour
₹600-1500 INR
₹600-1500 INR
$250-750 USD
₹12500-37500 INR
₹12500-37500 INR
₹600-1500 INR
$250-750 USD
₹12500-37500 INR
₹100-400 INR / hour
₹12500-37500 INR
₹12500-37500 INR
₹1500-12500 INR
₹37500-75000 INR
₹12500-37500 INR