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This app is for a car-hire business where the app needs to handle both invoicing and staff rostering, I’d think of it less as a simple car-booking app and more as an operations management app. Core app concept A central dashboard that connects: Customer → Booking → Vehicle → Driver/Staff → Job → Invoice → Payment That way, information only needs to be entered once. Key features I’d consider 1. Booking management * Customer details * Pick-up/drop-off locations * Date & time * Vehicle allocated * Driver allocated * Hire duration * Special requests * Booking status: Enquiry → Confirmed → In Progress → Completed → Invoiced → Paid 2. Rostering * Calendar view of all drivers/staff * Drag-and-drop shifts * Assign driver to a specific booking * Driver availability * Leave/sick days/ Block out Dates * Prevent double-booking * Automatic notifications when a roster changes * Daily/weekly roster for drivers 3. Vehicle management * Vehicle availability * Registration and insurance expiry dates * Service/maintenance schedule * Current mileage * Fuel level * Vehicle location/status * Cleaning status * Damage/inspection checklist 4. Invoicing This could be one of the strongest parts of the app. Automatically create an invoice from a completed booking: * Hire fee * Driver fee * Extra hours * Kilometres * Waiting time * Tolls * Cleaning fees * Damage charges * Discounts * GST * Deposit * Amount owing Then: Completed job → Generate invoice → Email/SMS customer → Track payment 5. Driver app Give drivers a simplified version of the app: * Today’s jobs * Pick-up/drop-off details * Customer contact * Navigation * Start/end job * Digital vehicle inspection * Upload photos * Record kilometres * Record fuel * Capture customer signature * Mark job complete 6. Automatic timesheets This is particularly useful if drivers are paid based on hours. For example: Driver starts job at 7:45 AM Arrives 8:15 AM Passenger collected 8:30 AM Job completed 11:40 AM The app can automatically create the driver’s timesheet from the booking. And have the app pay the drivers as well based on payments received from that booking. A really useful feature: profitability per job Instead of only showing revenue, show: Job Revenue Driver Cost Vehicle Cost Other Profit Airport Transfer $180 $70 $25 $15 $70 Corporate Hire $650 $240 $90 $30 $290 This lets the business see which types of bookings are actually profitable. Admin Management dashboard The owner/manager could open the app and immediately see: TODAY * 18 bookings * 12 drivers rostered * 23 vehicles available * $4,850 revenue * 7 invoices outstanding * 2 vehicles due for service * 1 driver unavailable And a calendar showing the day’s bookings. Automation could make it really powerful For example: Booking confirmed → Customer receives confirmation → Vehicle becomes unavailable → Driver is notified → Job appears on roster Job completed → Driver submits kilometres/time → Booking marked complete → Invoice automatically generated → Customer receives invoice Invoice overdue → Automatic reminder sent → Manager sees it on outstanding invoices list Vehicle service due → Vehicle automatically flagged → Manager receives notification → Vehicle can be blocked from future bookings Different user types I’d have different permissions: Owner/Admin * Everything * Financial reports * Staff management * Settings Operations Manager * Bookings * Vehicles * Rostering * Drivers Accounts * Invoices * Payments * Statements * Reports Driver * Own roster * Jobs * Vehicle inspections * Timesheets Customer * Bookings * Quotes * Invoices * Payment history One feature I’d especially recommend Build a “Job Card” as the centre of the system. Every booking gets one job card containing: JOB #10482 Customer: ABC Corporation Date: 12 Sept Pick-up: Sydney Airport Drop-off: CBD Vehicle: Mercedes V-Class Driver: John Start: 8:00 AM End: 11:30 AM KM: 86 Tolls: $24 Hire: $450 Extras: $65 Total: $539 From that same job card, the system can handle rostering, vehicle allocation, driver timesheets, invoicing and reporting. That would make the app much more useful to a car-hire business than having separate booking, roster and invoicing screens that don’t communicate with each other. Later down the track have the ability for other companies to register and pay a subscription to use these features as well for their business
Project ID: 40689907
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201 freelancers are bidding on average $2,382 AUD for this job

Hi, I’m Christina, and I understand you’re building an operations platform for a car-hire business, not simply a booking app. The key is connecting Customer → Booking → Job → Vehicle → Driver → Invoice → Payment through one central Job Card so data is entered once and flows everywhere. I’ve worked on similar business management platforms covering bookings, staff rostering, vehicle management, driver workflows, invoicing, payments, automated notifications and profitability reporting. I’d build the MVP around the Job Card, with role-based dashboards for Admin, Operations, Accounts, Drivers and Customers. The system would support availability/double-booking prevention, drag-and-drop rostering, inspections, driver timesheets, automatic invoice generation, payment tracking, job-level profitability and workflow automation. I’d keep the architecture modular so additional companies can later register, subscribe and run their own isolated business accounts—turning the platform into a scalable SaaS product. I’d be happy to map the MVP into milestones and recommend the right stack, architecture and development plan. THANKS CHRISTINA
$1,500 AUD in 15 days
8.5
8.5

Hello, I am Dr. Rajesh Rolen, PhD in Computer Science & Engineering, with experience of over 20+ years in API Development, App Development, Mobile App Development, Software Development, User Interface / IA As a preferred freelancer in the top 1%, I have done 400+ projects here on freelancer.com, I have 4.9 ratings out of 5 on average, which showcases my quality of work and timely delivery. Key Highlights: - Free Hosting Support on the Cloud or any desired platform. - Free 3 months of post-delivery support to ensure that our client doesn’t face any challenges after the launch of the project. - Free Dedicated tester on projects to ensure quality delivery, so clients don’t need to act as a tester. - 10+ Years experience UI/UX team to ensure intuitive UI. Portfolio: https://www.freelancer.com/u/Microlent Please open the chat and send me a message, so we can have a more detailed discussion about the project to give you the project timeline and cost. Thank you for considering my services. I look forward to engaging in a productive conversation and understanding how I can be of assistance in bringing your project to life. Regards Rajesh Rolen
$2,250 AUD in 60 days
8.5
8.5

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your car hire management app project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham
$1,500 AUD in 24 days
8.0
8.0

With over a decade of experience in digital services, my team at 360 Elevate is well-equipped to handle the complexity of your comprehensive car-hire operations management app. Our journey began in content creation and online publishing, but as the needs of our clients evolved, so did our skills and offerings. Today, we are a full-service digital agency with a diverse range of expertise, including mobile app development, project management, and user interface design. We have built complex systems such as ERP, HRM, CRM using different full-stack frameworks in the past and have successfully navigated through various technical challenges. Moreover, we are no stranger to automation processes which is a significant component in your project. We can provide the efficient automated timesheet system you mentioned that can automatically create the driver’s timesheet from the booking. In addition to technical prowess though, we also bring a strong business mindset to the table. We understand that your app shouldn't just be a tool for bookings and management but a way to analyze and enhance profitability. That's why we loved your idea of showing job profitability rather than just revenue - allowing your business to make more data-driven decisions.
$1,500 AUD in 14 days
7.5
7.5

Hi, Your ops flow—customer through to paid invoice in one system—is the hard part, and we've built exactly this for logistics and driver apps. The rostering + invoicing combo with a separate driver interface is where most projects stumble. We can handle it. The budget and timeline shown are starting points only. Let's talk. Regards, Nurul Hasan
$2,100 AUD in 30 days
7.3
7.3

Dear Ahmad Ayaz, I appreciate your detailed project outline for an operations management app for a car-hire business. Your comprehensive understanding of the requirements, from booking to invoicing, is impressive. Key aspects such as central dashboard integration, booking management, rostering, vehicle management, invoicing, driver app, timesheets, and profitability analysis stand out as critical components for operational efficiency. Automation features for notifications, invoicing, and payment management can enhance the app's utility. The proposed Admin Management dashboard provides real-time insights for informed decision-making. User permissions tailored for different roles ensure data security and access control. The "Job Card" concept as the app's centerpiece is innovative, consolidating booking details for operational cohesion. A robust architecture, user-friendly interface, scalable infrastructure, data security measures, and seamless integrations are essential for long-term success. With experience in developing applications to streamline operations and drive business growth, I am confident in delivering a solution aligned with your vision. Let's discuss further to define project timelines and establish a strategic roadmap for collaboration. Best regards, Ahmad Ayaz
$2,700 AUD in 5 days
7.1
7.1

Hi, I reviewed the Comprehensive Car-Hire Operations Management App concept and it needs a central dashboard to connect bookings, rostering, vehicles, jobs, invoicing, and payments. I’ll build the Mobile App Development workflow so one “Job Card” becomes the source of truth for vehicle allocation, driver shifts, digital inspections, and automatic invoice creation with GST, deposits, discounts, and payment tracking. Using Database Management and Software Development best practices, I’ll keep the data consistent to prevent double-booking and support profitability reporting per job. I’m responsive and deliver clean, easy-to-manage work. Let’s discuss here now.
$1,500 AUD in 30 days
7.3
7.3

Hello, I will design and develop your TAXI BOOKING APP for Android and Ios both Platforms with Web admin panel (customer and driver app). Will provide following Features: Fair calcualtion , Online ride booking with Cash and Online payment, Request Live tracking, google map, notification, Ride Discount Feature etc. 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
$1,500 AUD in 35 days
6.5
6.5

Hi there, We understand you're looking for a comprehensive car-hire operations management app that integrates booking management, staff rostering, vehicle management, and invoicing. Our team at Webbook Studio has experience in developing similar complex systems, including a learning platform website for children and a website for an electric bike company, both of which involved custom PHP development and WordPress integration. With our expertise in PHP, JavaScript, and MySQL, we can deliver a centralized dashboard that connects customers, bookings, vehicles, drivers, jobs, invoices, and payments. We'll implement key features such as booking management, rostering, vehicle management, and invoicing, ensuring a seamless user experience. Our previous projects, like the online shop for a Scandinavian fashion brand and the British online store for baking supplies, demonstrate our ability to handle complex e-commerce and ERP systems. We'll create a "Job Card" system, where every booking is assigned a unique card containing all relevant details, allowing for efficient rostering, vehicle allocation, driver timesheets, invoicing, and reporting. What is your expected timeline for the development and launch of this app, and are there any specific third-party integrations you'd like us to consider? Feel free to message us to discuss the details! — Webbook Studio
$2,100 AUD in 30 days
6.7
6.7

What makes this project valuable is the operational link between customer, booking, vehicle, driver, job, invoice, and payment—not the booking form itself. If those pieces are built separately, staff end up re-entering data and mistakes show up in rosters, billing, and reporting, so I’d design the system around a single live job record that updates every connected area. I’ve handled custom admin systems with calendars, status workflows, role-based permissions, automated notifications, and finance-related tracking, which is very close to what your car-hire business needs. The driver side is also important here, because inspections, kilometres, fuel, signatures, and timestamps are what make automated timesheets and job profitability accurate. I can also help define the phase split so you launch the core operations side first and keep later expansion clean. - Do you already have branding/wireframes, or would the UI/UX need to be designed from scratch? - For notifications, do you want email only first, or email plus SMS from the beginning? - Will accounts need downloadable statements/BAS-style tax reporting, or mainly invoices and payment tracking?
$1,500 AUD in 7 days
6.3
6.3

Hey, This is really an operations platform rather than a standard car hire booking app. The value is in connecting the booking, vehicle, driver, job, invoicing, and payment data so the business is not managing the same information across separate systems. I’d structure the core workflow around that single operational record, with rostering and availability preventing conflicts, driver job updates feeding back into the booking, and completed jobs producing the financial information needed for invoicing and profitability. The driver side should stay much simpler than the admin side, focused on today’s jobs, inspections, photos, time, kilometres, signatures, and completion. The automation is also important here. A booking change should flow through the relevant vehicle and roster states, while job completion can trigger invoice creation and customer communication. For the owner, profitability per job and operational alerts would make the dashboard useful for decisions rather than just displaying data. There is quite a lot in the full scope, so I would establish the core booking to job to invoice workflow first and build the other operational modules around it without creating unnecessary complexity. For the first version, do you want driver payments to be automatically calculated and processed from customer payment status, or only have the app calculate the driver amount for payroll?
$2,500 AUD in 30 days
6.0
6.0

Hi, The strongest part of your concept is the Job Card. I would make that the operational source of truth connecting customer, booking, vehicle, driver, timesheet, invoice and payment rather than building those as separate modules. My background includes mobile apps, backend APIs, PostgreSQL, payments, role-based systems and workflow automation. I would design Phase 1 around the booking lifecycle, driver/vehicle allocation, double-booking prevention, job execution, timesheets, automatic invoice calculation and profitability reporting. The data model would also include tenant boundaries from the beginning so the later subscription version can support multiple car-hire companies without rebuilding the core. For the posted budget I recommend a production-ready Operations MVP rather than promising the entire long-term platform. I can start immediately after award.
$3,000 AUD in 21 days
6.2
6.2

Hi I will be able to help you in your service-based app. I have done many service based app before also and can help you in better way. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native, and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1,800 AUD in 30 days
6.5
6.5

Hi I can build this as a complete operations management platform for the car-hire business, with the Job Card acting as the central record connecting customers, bookings, vehicles, drivers, rostering, timesheets, invoices and payments. The system can include role-based dashboards, booking workflows, drag-and-drop rostering, vehicle availability and maintenance tracking, driver job management, inspections, photo uploads, signatures, automatic timesheets, invoice generation, payment tracking and profitability per job. I would also automate key workflows such as booking confirmations, driver notifications, vehicle blocking, invoice reminders and service alerts. The architecture can be designed from the beginning to support future SaaS expansion, allowing other companies to register, manage their own teams and vehicles, and subscribe to the platform. I can handle the backend, database, mobile/web interfaces, APIs, payment integration and scalable multi-tenant architecture. Best, Justin
$2,000 AUD in 15 days
6.3
6.3

Hi, This car-hire operations management system aims to unify booking, rostering, invoicing, and vehicle management into a single source of truth, which is critical for operational efficiency. The main technical risk is ensuring reliable orchestration and data consistency across these interconnected modules to prevent conflicts such as double bookings or incorrect invoicing. While my recent projects focus on AI-driven document intelligence and scalable SaaS platforms, the architectural principles of modular design, automated workflows, and real-time data pipelines are directly applicable here. I’d separate core domains—booking, rostering, vehicle management, and invoicing—into distinct services with clear APIs, enabling independent scaling and easier testing. Early validation should focus on synchronization logic and conflict resolution between these services. To support reliability, implementing event-driven updates and robust permission controls will reduce errors and improve user experience. This approach also facilitates future automation and subscription-based multi-tenant expansion. I can start by outlining the ingestion and orchestration architecture to ensure smooth data flow and integrity. Thanks, Clifton
$2,200 AUD in 7 days
5.9
5.9

Hi, You’re not describing a simple booking app , you’re defining the operational nerve center that ties bookings, drivers, vehicles, invoicing, and profitability into one flow. That’s exactly the kind of system I build in PHP/MySQL with clean dashboards, role-based access, and automation that removes double entry. I can structure this around a central Job Card so every booking can drive rostering, vehicle allocation, timesheets, invoice generation, payment tracking, and profitability reporting from one record. I’ve built similar business systems with Laravel/PHP, MySQL, CRM-style workflows, admin panels, and notification logic, so the goal would be to keep the app practical for operations while making it scalable for future subscription-based multi-company use. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you share whether you want this built as a single-company system first, or as a multi-tenant SaaS from day one? Could you share whether you want this built as a single-company system first, or as a multi-tenant SaaS from day one? What payment and SMS/email services do you prefer for invoices, reminders, and driver notifications? Would you like the driver app as a responsive web app first, or a separate mobile build later? Looking forward to your reply so we can finalize the exact plan. Best regards, Asad
$1,500 AUD in 30 days
6.1
6.1

Hi, Mateo here, from Toronto. The Job Card idea is exactly right, and it's the single decision that determines whether this becomes a genuinely unified system or five screens pretending to talk to each other, so I'd build the entire data model around one Job Card entity that booking, rostering, vehicle allocation, timesheets and invoicing all reference and update, rather than five separate tables synced by application logic that inevitably drifts out of sync under real use. Given the automation chains you've described, booking confirmed triggering driver notification and roster placement, job completed triggering invoice generation, I'd implement those as event-driven state transitions off the Job Card's status field itself, so the automation isn't a separate system bolted on, it's just what happens when the job card's state changes. Given the real breadth here, booking, rostering, vehicle management, invoicing, driver app, admin dashboard, profitability reporting, I'd build the Job Card data model and core booking-to-invoice flow first as Phase 1, since every other feature reads from and writes to that same structure, then layer in the driver app, automatic timesheets and profitability reporting once that foundation is proven. Looking forward to working with you.
$2,400 AUD in 28 days
5.9
5.9

Hello! We are an experienced agency with a skilled team of app developers and over 10 years of experience in creating comprehensive management solutions. Our background is perfectly aligned with your need for a car-hire operations management app that integrates booking, invoicing, and rostering. We understand you want a robust platform that streamlines all aspects of your operations, from customer bookings to driver management and invoicing. Our goal is to enhance efficiency, reduce manual entry, and provide clear insights into profitability. To achieve this, we will develop a central dashboard using technologies such as Flutter for cross-platform compatibility, Firebase for real-time data, and integrated payment gateways for seamless transactions. We'll ensure automatic notifications and reporting features are built in, allowing for real-time updates and analytics. Deliverables: - Centralized dashboard for operations - Automated invoicing and payment tracking - Staff rostering with calendar integration - Vehicle management system - User-specific permissions and features Our team is ready to start and deliver a solution that meets your needs. Best regards, Ezra
$1,500 AUD in 14 days
6.0
6.0

Hello, I understand this is much more than a booking app. You need a centralized car-hire operations platform connecting Customer → Booking → Vehicle → Driver → Job → Invoice → Payment, with the Job Card acting as the single source of truth. With 7+ years of development experience, I can build this as a scalable web + mobile solution using Flutter + Node.js/NestJS + PostgreSQL, with role-based access for Owner/Admin, Operations, Accounts, Drivers, and Customers. The Job Card will connect booking details, vehicle/driver allocation, roster, live job status, kilometres, waiting time, tolls, inspections, timesheets, invoice generation, payments, and profitability. This avoids duplicate data entry and gives management a complete view of every job. I’ll implement automated workflows such as booking confirmation → vehicle allocation → driver notification → roster update, and completed job → timesheet → invoice → customer notification. The dashboard will provide real-time operational, financial, vehicle, and staff insights. The architecture will also be multi-tenant ready, allowing the platform to later onboard other car-hire companies through subscriptions without rebuilding the core system. You’ll receive 3 months of free post-delivery support. PLEASE INITIATE CHAT SO I CAN SHARE MY RELEVANT FLEET, BOOKING & BUSINESS MANAGEMENT PROJECTS. Best Regards, Nikita Gupta
$1,500 AUD in 25 days
6.0
6.0

I'd start by locking down what "Job Card" actually needs to reference before touching UI: a booking creates the Job Card, and every downstream piece, vehicle and driver assignment, the timesheet, the invoice line, reads off that same record rather than recalculating its own view of the job. Get that foreign key structure right first and rostering automation, the driver app and profitability reporting all become additive later instead of reworks. For phase one I'd build bookings through to a Job Card, vehicle and driver assignment against that card, a basic timesheet that derives its hours from the card's actual start and end rather than a manual entry, and GST invoicing that pulls its line items straight off the completed card so the invoice and the job are never two sources of truth. Driver-facing inspections and signature capture, and the smarter side of rostering, sit in the milestones after that once the core record is proven under real bookings. 3000 AUD across 30 days, five milestones. M1: Job Card data model plus booking creation, $600, 5 days. M2: vehicle and driver assignment against the Job Card, $600, 6 days. M3: timesheet generation from completed cards, $600, 6 days. M4: GST invoicing off the Job Card, $600, 6 days. M5: profitability reporting per job plus the driver mobile view for inspections and signatures, $600, 7 days. That's the number I can commit to off the brief as written, and the one thing likely to move it is how much the driver app in M5 needs to do offline versus just being a mobile browser flow, so I'd want that nailed down before M5 is priced for real. Is the multi-tenant SaaS direction something to keep in mind architecturally from day one, or is that genuinely a later, separate build once this operation's own version is running? And on the vehicles and drivers, are you bringing an existing fleet and driver list to import, or is that data entry from scratch in M1?
$3,000 AUD in 30 days
6.0
6.0

Sydney, Australia
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