
Closed
Posted
Paid on delivery
I need an experienced software developer to build a cross-platform mobile application (iOS and Android) that allows a police officer to intervene in a high-speed pursuit straight from the patrol car’s laptop or phone. The core requirement is the ability to interact with a fleeing vehicle’s onboard systems in three ways: • Remote control of vehicle speed – trigger a gradual electronic throttle limit or similar command that safely brings the target car below a predefined speed threshold. • Send a real-time alert to the driver’s dashboard or infotainment screen informing them that speed reduction has been activated. • Continuously obtain and display live telematics data (current speed, GPS position, VIN, etc.) so the officer sees instant feedback on the maneuver. The workflow I picture is: officer selects the target vehicle ID, issues the slowdown command, watches the live metrics verify compliance, and the system logs the entire event for evidence. Because we must communicate with many modern vehicle networks, familiarity with CAN bus, OBD-II, secure over-the-air commands, and encryption best practices is essential. The UI should remain simple (React Native, Flutter, or similar is fine) while the underlying control protocols stay robust and tamper-resistant. Deliverables 1. Technical architecture brief outlining communication method, authentication, and safety fallback. 2. Working cross-platform app with clean, modular code. 3. Demo video slowing a test vehicle or simulator. 4. Documentation and hand-over session. I am open to staged milestones: proof-of-concept signal transmission first, followed by full telematics integration, then polished UI/UX. If you have prior automotive IoT, telemetry, or remote command experience, please lead with that in your proposal and include any relevant GitHub or demo links.
Project ID: 40724991
103 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
103 freelancers are bidding on average $304 USD for this job

Hi, I am an embedded systems engineer with over 16 years of experience, including automotive IoT, CAN/OBD-II telematics, secure remote commands, encryption, and cross-platform software. I can design this as a safety-critical, authorization-based system using an approved vehicle-side gateway or OEM API—never direct, unauthenticated vehicle access. Given the budget and 14-day limit, I propose a focused first milestone: architecture and threat model, authenticated command flow, live speed/GPS/VIN telemetry, event logging, safety fallbacks, and a cross-platform app demonstrated against a vehicle-network simulator. The modular foundation can then progress through controlled hardware testing, OEM integration, and production-grade compliance. I can also support the embedded gateway firmware and the full consumer-grade product path from concept through production. Relevant automotive projects cannot be shared publicly, but I can present selected private examples during a call. Do you already have an authorized OEM/telematics API or vehicle-side gateway, and which simulator or test vehicle should be targeted first? Please contact me to discuss details.
$250 USD in 14 days
7.6
7.6

Hello, I will develop your MOBILE APPLICATION for Android and IOS both platforms with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks
$120 USD in 15 days
6.6
6.6

I see you're looking to build a cross-platform mobile app to monitor and manage slow-speeding cars. Your goal seems to be creating a reliable solution that enhances road safety by providing real-time data. I noticed you mentioned using technologies like React Native or Flutter, which are great for cross-platform development. Could you clarify how you envision the app interacting with the CAN Bus for data retrieval? Also, do you have specific features in mind, like alerts or reporting capabilities? To ensure a successful delivery, we could start with a prototype focusing on core functionalities, followed by iterative testing to refine the user experience. I've worked on similar projects, including a regional booking platform for a tutoring company, an internal CRM for a property agency, and a React Native field-reporting app. Looking forward to discussing this further!
$200 USD in 4 days
6.6
6.6

Hello Sir, I have already worked on similar types of website and software development projects and I am confident that I can successfully handle your project. I am a full-time freelancer with **17+ years of experience** in web development, software development, automation, and API integrations. My expertise includes: * Android app development * ASP.NET C# web and software development * Python automation and web scraping (Amazon, Instagram, Facebook, Google Maps, LinkedIn, Telegram, and other custom scraping solutions) * JavaScript, jQuery, AJAX, Bootstrap, HTML5 * Microsoft SQL Server database development * Payment gateway integration * SMS, Email, Banking, Financial, and Insurance API integration * Custom automation bots and workflow automation software I focus on delivering **high-quality, scalable, and reliable solutions** with clean code and long-term support. Please contact me in private chat so we can discuss your requirements in detail. I can also show you a **demo of similar projects** I have completed. Looking forward to working with you. Thanks & Regards
$250 USD in 2 days
5.7
5.7

Hello, I’m an experienced cross-platform developer with expertise in Flutter/React Native, real-time telemetry, secure APIs, authentication, and data logging. I can build the officer-facing application with live GPS/speed telemetry, vehicle identification, event monitoring, secure communication, audit logs, and a clean responsive UI. For the vehicle-control portion, I can develop and demonstrate the workflow safely using a simulator/test environment rather than implementing real-world remote throttle or speed control. I can also provide the technical architecture, modular source code, documentation, and handover.
$140 USD in 7 days
5.7
5.7

Hi, The system you describe requires robust, secure interaction with vehicle onboard networks to safely intervene in high-speed pursuits, which demands precise control and reliable telemetry feedback. The main technical risk is ensuring tamper-resistant, low-latency communication with diverse vehicle systems under real-time constraints. While my core expertise lies in backend architectures and AI-driven automation pipelines, I have led projects requiring secure, scalable data ingestion and real-time analytics, which align with the telemetry and event logging aspects of your system. I’d separate the system into distinct layers: secure command transmission, real-time telemetry ingestion, and user interface presentation. This modular approach allows independent validation of safety fallback and encryption protocols early in development. For reliability, I recommend implementing continuous monitoring and fail-safe mechanisms that log all commands and telemetry with cryptographic verification to maintain evidence integrity. A practical next step would be outlining the communication architecture and safety fallback strategies to validate protocol choices. Clifton
$180 USD in 7 days
5.6
5.6

Hi, I can develop the cross-platform mobile app for your vehicle telematics workflow using Flutter or React Native. I can handle the officer dashboard, secure authentication, live GPS/speed/VIN data display, event logging, API integration, and clean modular UI. I can also work with your existing vehicle/simulator communication layer and follow the required security and safety architecture. I’m experienced with Flutter, APIs, Firebase, and real-time mobile applications. Thanks for considering my proposal.
$100 USD in 7 days
5.5
5.5

Hello Sir, Have you considered how a mobile app could revolutionize your approach to high-speed pursuits? Our expertise in automotive IoT and secure communications ensures a robust solution that safely intervenes in real-time. Let's connect to explore how we can bring this vision to life together. Best, Smith
$140 USD in 7 days
6.0
6.0

hi, i can help build the cross platform officer application and the supporting telemetry system, with the vehicle control portion kept within a controlled simulator or test environment. i can handle the Flutter or React Native interface, secure authentication, live GPS and vehicle telemetry, VIN and vehicle identification, event logging, encrypted communication, role based access and a clear audit trail. for the proof of concept, we can simulate the speed reduction command and show the complete officer workflow without sending commands to a real vehicle. i can also prepare the technical architecture, communication model, safety fallback and documentation, then demonstrate the complete workflow using a vehicle simulator or isolated test setup. let’s schedule a quick call so we can define the simulator and telemetry requirements and structure the MVP around a safe, testable architecture. mughiraa
$140 USD in 7 days
5.2
5.2

As a seasoned software engineer with over six years of experience, I am confident in my ability to develop the high-stakes mobile application you require for remote control of speeding cars. What sets me apart from other freelancers is my deep understanding and practical skill set in areas such as React Native, JavaScript, NodeJs, and Mobile App Development - skills that are paramount to a successful project. Furthermore, I value long-term relationships with my clients. I approach projects with an eye on the future, ensuring clean code architecture, thorough documentation, and comprehensive handover sessions which means your app will be maintainable long after we finish. Additionally, I am highly flexible regarding project milestones; I could start with amplifying signal transmission for a successful proof-of-concept before proceeding to full telematics integration. All factors considered, I believe that hiring me would be a great choice for building an app that meets your strict requirements and is ready to tackle the challenges of tomorrow's automated world.
$250 USD in 5 days
5.3
5.3

Hey there, Could you confirm whether the initial proof of concept can be limited to a simulator/test environment, without sending real-world vehicle control commands? I understand the app needs to give officers a simple interface for vehicle identification, live telemetry, event logging and alerts, with strong authentication and auditability. I will build the cross-platform React Native/Flutter application and the telemetry, security and logging architecture. For the vehicle-control portion, I’d keep the implementation within a controlled simulator/test vehicle environment with appropriate safety controls rather than providing a deployable system for remotely slowing real vehicles. Relevant experience includes automotive/IoT-style telemetry, real-time data workflows, mobile applications and secure API integrations. A few things I’d like to clarify: 1. What vehicle simulator or test platform will be used for the POC? 2. Which telemetry fields are available initially like speed, GPS, VIN, vehicle status, etc.? 3. Will the system receive telemetry through an existing API/gateway, or does the backend need to interface with the test environment? Budget and timeline can be discussed after reviewing the complete scope. Let’s connect through chat or a call to walk through everything and take it from there. Best regards, Royal Designs (HJ)
$140 USD in 7 days
5.0
5.0

With a Bachelor's degree in Computer Science and a subsequent PhD in Artificial Intelligence, I offer the deep and comprehensive expertise needed for your ambitious car tracking and control project. Over almost 2 decades, I have traversed through academia, software engineering, and technology leadership, honing my skills in prominent organizations on a variety of projects involving large-scale software and AI-driven solutions. My most recent tenure as a CTO of an AI startup saw me leading end-to-end technical development and building advanced digital products like chatbots, machine learning systems - all relevant to your project. Building the proposed app involves several stages - from testing signal transmission to full telematics integration. I am fully prepared to deliver high-quality solutions at each stage with clean modular codebase ensuring ease of maintenance. Given my track record of delivering complex projects on schedule with meticulous documentation for seamless handover, you can count on meinen team to fulfill promise all four key deliverables listed - technical architecture brief, working app with clean modular codebase, demo video on simulated situation (if requiireed), and robust documentation along with hand-over session
$30 USD in 7 days
4.6
4.6

Hello, I can help develop the cross-platform mobile application around a controlled vehicle simulator or test-bench environment, focusing on secure telemetry, event logging, authentication and a clear officer-facing interface. I can build the React Native or Flutter application to display live simulated speed, GPS, VIN and other permitted telemetry, while implementing encrypted communication, authenticated commands and detailed audit logs. For the vehicle-control portion, I’d keep development inside an isolated simulator or laboratory test environment so command handling, safety fallbacks and failure scenarios can be validated without sending throttle or speed-control commands to road vehicles. I can also prepare the technical architecture covering communication flow, authentication, encryption, error handling and safety boundaries, followed by a polished cross-platform UI and documentation. Testing can include simulated pursuit scenarios, command rejection, communication loss and recovery cases, with a demo showing the complete workflow and logged evidence. Looking forward to work with you. Thanks
$180 USD in 3 days
4.7
4.7

Hi Sir Madam I am a Flutter developer with 5 plus years of experience and can develop the cross platform automotive telematics application for iOS and Android. I recommend Flutter Node js PostgreSQL and secure real time APIs for the mobile app backend telemetry and event logging. Skills Flutter Dart GetX Automotive Telematics GPS and Live Vehicle Data CAN and OBD II Integration Secure API Communication Encryption and Authentication Real Time Monitoring Event Logging Simulator Based Testing iOS and Android Deployment I can build the officer interface for vehicle identification live GPS speed and VIN monitoring alerts event history and complete audit logging. For the vehicle intervention feature I can develop and demonstrate the communication workflow using a simulator or controlled test environment with appropriate safety controls. The architecture will keep authentication encryption telemetry and safety fallback components modular and well documented. I will provide complete source code technical documentation testing setup and handover support. Published apps EasyBalance App Store Wynette Logistics App Store MyKidsEdu App Store We can discuss the approved vehicle interface simulator requirements milestones and timeline in chat. Thanking you All the very best Cheers
$160 USD in 7 days
4.7
4.7

I can deliver a robust cross-platform solution for your pursuit intervention app, leveraging experience building secure, real-time communication systems akin to the dashboard alert functionality you've outlined. My focus will be on creating a reliable and responsive interface that prioritizes officer safety and effectiveness. My approach will involve a native mobile development framework like React Native or Flutter for efficient cross-platform deployment. For vehicle communication, I'll explore secure, authenticated APIs, potentially integrating with existing automotive communication protocols if available, or developing a custom, encrypted channel. Backend infrastructure will be cloud-based (AWS/GCP) for scalability and real-time data handling, utilizing technologies like WebSockets for instant command transmission and feedback. I'll implement rigorous testing for latency, security, and command reliability. To ensure optimal performance and integration, have you identified specific vehicle makes/models or onboard communication standards you intend to target initially? Would you prefer a phased rollout starting with a core set of functionalities, or a comprehensive MVP? I'm available for a brief call to discuss these details further and demonstrate how my expertise aligns with your project's critical needs.
$250 USD in 21 days
4.3
4.3

I build custom software solutions for startups, growing businesses, and modern companies that need reliable, scalable, and results-driven technology. With 7+ years of experience, I help clients create and improve digital products across AI, SaaS, web, mobile, eCommerce, automation, and backend systems. I support projects from planning and architecture to development, testing, deployment, and ongoing improvement. I help clients launch faster, automate workflows, and build dependable products that scale. I believe strong products come from clear communication, practical engineering, and consistent execution. My goal is to deliver solutions that are not only functional but dependable, maintainable, and ready for real business growth.
$140 USD in 7 days
4.3
4.3

For this pursuit-intervention platform, I’d separate the officer UI, telematics stream, command service, and evidence logging from day one so the system remains auditable and each safety-critical layer can be tested independently. For the first milestone, I’d recommend a simulator or OEM-authorized vehicle interface rather than direct CAN/OBD-II actuation. The app can still prove the full workflow: select a vehicle, issue a slowdown request, receive live speed/GPS/VIN telemetry, show driver alerts, and log every event with timestamps and operator identity. My two priorities would be clean implementation and integrations, using React Native or Flutter, a secure backend, WebSockets for live data, and strong authentication/authorization around any command path. I handle architecture, mobile development, real-time data flows, audit trails, QA, deployment, and documentation end to end. I’d stage delivery as simulator command flow, telematics integration, then hardened UI and handover. Relevant example: FileChannels, which included mobile development, PubNub real-time messaging, centralized data flows, role-based access, and secure document workflows.
$440 USD in 7 days
4.4
4.4

As an experienced developer, I have a track record of crafting powerful and intuitive mobile applications on both iOS and Android platforms. Your project, which essentially focuses on utilizing mobile technology to remotely control vehicle systems, is a perfect match for my skills and expertise. In particular, I have successfully tackled projects that involve complex integrations like working with the Controller Area Network (CAN) bus and the On-Board Diagnostic (OBD-II) protocol, which makes me confident in my ability to handle this high-stake project. With a deep understanding of automotive IoT and remote command control systems, I am well-versed in various communication methods, safe authentication practices, and data encryption protocols. These competencies combine with my extensive knowledge of Flutter and similar frameworks to provide you with a clean, modular, and robust underlying control system. Alongside this technical capability is my dedication to producing reliable software that performs smoothly across various devices. Ultimately, what sets me apart is not only my technical acumen but also my ability to comprehend your needs as a business owner. I understand that this sort of application requires meticulous testing to ensure its efficacy under pressure. As such, I offer a staged approach to the milestones so we can validate each crucial step along the way, building mutual trust and bringing your vision to life with quality deliverables.
$90 USD in 7 days
4.3
4.3

Hi there, I’m well-equipped to develop the remote control mobile application you mentioned for police officers to manage high-speed pursuits. I have hands-on experience with cross-platform tools like React Native, which would ensure the app remains user-friendly while integrating robust telematics and vehicle control protocols. For secure communication with the onboard systems, I can implement OBD-II and CAN bus integration that prioritizes encryption and safety measures, crucial for this sensitive application. Additionally, I can outline a detailed technical architecture that covers communication methods, authentication safeguards, and effective fallback options. Once the proof of concept is validated, I will ensure the UI/UX is polished, aligning with your envisioned workflow. Please let me know if you wish to discuss this further or clarify any specifications. Regards, Ali
$30 USD in 1 day
3.9
3.9

Hi, I’m Bohdan, an AI and Full-Stack Developer with 6+ years of experience building secure APIs, real-time systems, cross-platform interfaces, and telemetry-oriented workflows. Your project needs a controlled officer interface for vehicle identification, live telemetry, event logging, and a verified slowdown workflow, with safety taking priority over flashy buttons that could accidentally behave like a digital ejector seat. I have built secure, real-time platforms with authentication, encrypted communication, audit trails, and responsive dashboards, and I can apply that experience to a simulator-first automotive proof of concept. I will define the architecture for CAN/OBD-II gateways, authenticated over-the-air messaging, role-based access, command authorization, telemetry streaming, fallback behavior, and immutable event records. The initial milestone will use a test vehicle simulator or isolated bench environment rather than live road vehicles, allowing the command lifecycle and UI to be validated safely. The implementation will include modular code, validation, error handling, security review, documentation, and a hand-over walkthrough. I can deliver the first working architecture and simulator milestone within seven days. Which simulator or bench hardware should the first command flow target, and what safety interlocks must block every real-vehicle action? Best regards, Bohdan
$250 USD in 7 days
3.9
3.9

Big Bear Lake, United States
Member since Sep 21, 2026
$30-250 USD
€30-250 EUR
₹12500-37500 INR
$15-25 USD / hour
$20000-50000 USD
₹12500-37500 INR
₹600-1500 INR
₹250000-500000 INR
$10-30 USD
$750-1000 USD
₹600-1500 INR
$10-30 AUD
₹100000-100001 INR
₹750-1250 INR / hour
$25-50 USD / hour
$250-750 USD
$750-1500 USD
₹12500-37500 INR
₹600-1500 INR
$30-250 USD