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AppVisitanos – Technical Specification 1. Executive Summary AppVisitanos is a cloud-native digital ecosystem (PWA) that turns the City into a Smart Tourism Destination. Through an official city QR Code, visitors access: Tourist safety tools (SOS button with geolocation + silent protocol). Smart local economic activation (geo directory, coupons, digital passport, gamification). Real-time tourism intelligence for government (heatmaps, visitor flow, campaign impact). Built with a PWA front-end, serverless architecture, API-First design, and government-grade cybersecurity. AI is used for semantic search, analytics, and predictive geolocation. 2. Vision & Scope AppVisitanos becomes the city’s official digital layer. Key goals: Frictionless adoption (no app store; instant access via QR). Scalability for peak seasons. Foundation for Smart City evolution. 3. System Architecture 3.1 Experience Layer – PWA Fast, installable PWA; bilingual (ES/EN) expandable to more languages. Context-adapted versions (airport, downtown, neighborhoods). Visible modules: Cultural Agenda, Smart Directory, Digital Passport, SOS Button, FAQ, Help. 3.2 Services & Business Logic Layer (API-First) Authentication (email, phone, optional social login). Geolocation + proximity engine. Coupon & gamification rules engine. Event management. Business directory management. Incident/SOS management. Notification engine (email, SMS, WhatsApp, web push). Microservices for independent scaling (SOS, maps, notifications). 3.3 Data & AI Layer Front-end: Vue. Operational DB: Supabase (users, sessions, scans, events, coupons, SOS). Data warehouse (BigQuery/Redshift/Snowflake). ETL/ELT for logs ingestion, cleaning, anonymization. AI models: recommendations, predictive heatmaps, under-activated zone detection, anomaly detection (security/fraud). 3.4 Integration Layer Municipality systems: licenses, tourism, culture, security, civil protection. Emergency & medical: C5/911, Red Cross, hospitals (API/web console). Third parties: Google/Apple Maps, Tripadvisor/Booking, WhatsApp Business API, SMS providers, ticketing systems. 3.5 Cloud Infrastructure (AWS/Azure/GCP) Serverless (Lambdas/Cloud Functions) and/or containerized (Docker/Kubernetes). CDN + load balancers; centralized monitoring (APM/logs). Multi-zone replication, failover, auto-scaling. 4. Key Modules 4.1 Smart Geo-Directory Semantic search (“pet friendly”, “sea-view bar”, “cheap breakfast near me”). Vector maps with precise GPS. Business cards (contact, hours, price range, services, photos, menu, directions). Dynamic filters. Intelligent ranking (profile quality + licensing + engagement metrics). 4.2 Live Cultural Agenda Event management (festivals, concerts, sports, family events). 1-click sync with Google/iOS Calendar. Segmented notifications based on location/preferences. Capacity/ticketing integration. 4.3 Digital Passport & Gamification QR-based “stamps” per point of interest + geofencing validation. Rewards engine (unique dynamic QR coupons). Progress bars for routes. Social-sharing tools. Municipal control panel for campaigns and route analytics. 4.4 Safety Module: Tourist SOS Always-visible SOS button (911, tourist police, Red Cross, consulates). Geolocation push to authorities + emergency contacts (WhatsApp/SMS). Silent SOS (long press 2–3 seconds). Offline first-aid guides. Emergency console for authorities (map, status, reports). 4.5 Bilingual Communication & Support Full bilingual UI. Alerts for emergencies, weather, important notices. Dynamic FAQ + basic chatbot with escalation to human support. 4.6 Merchant & Sponsor Portal Business onboarding + verification. Free and premium plans. Campaign builder, geo/temporal segmentation. Analytics: profile views, directions requests, redeemed coupons. 4.7 Municipal Backoffice (Multi-Role) Role-based access for Tourism, Culture, Security, Economic Development, Communications. Content management: events, POIs, news, campaigns, emergency messages. Centralized QR management (type, location, status). Executive reporting and exportable campaign/monthly reports. 5. Tourism Intelligence & Data Insights Heatmaps by time/day + pre/post campaign comparison. Anonymous demographics (language, origin, usage behavior). Economic impact metrics (visits, coupon redemptions, route completions). Executive dashboards (scans/day, unique visitors, top routes, SOS by area). Integration with BI tools (Power BI, Tableau, Looker). 6. Data Model & Information Design Core entities: User (pseudonymized), Device/Session, QR Scan, POI, Business, Event, Coupon/Reward, SOS Incident. Principles: data minimization, aggregated reporting, 24-month retention + anonymization policies. 7. Security, Privacy & Compliance Compliance with national data protection laws. TLS 1.2+ encryption; encrypted storage for sensitive data. RBAC; MFA for admin panels. Audit logs (access, changes, downloads). Daily backups, restoration tests, defined RPO/RTO. Active security: pentesting, vulnerability monitoring/patching. 8. High-Demand Design (World Cup, Peak Seasons) CDN for static content. Auto-scaling for critical services (API, maps, SOS). Load tests before peak seasons. Fault tolerance via message queues (guaranteed logging of SOS and scans). Automatic retry for network failures. 9. Deployment & Operations Implementation Phases Pilot Zone-Based Expansion Full City Rollout / High-Season Mode Continuous Operations Monitoring, updates, incident response, analytics reviews. 10. Smart City Evolution & Future Integrations Public transport schedules, routes, stops; taxi/mobility app integrations. IoT: foot traffic sensors, climate, noise, air quality. Unified dashboards combining QR data + IoT. Controlled public API for universities, business chambers, partners. We need high quality, design, user-friendliness, and practicality.
ID del proyecto: 40050888
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109 freelancers están ofertando un promedio de $32.007 USD por este trabajo

Greetings from Logictrix! My name is Jas, and I am looking forward to discuss about your app in details over the Chat or Call. We have enough app developers available in team so I can assure you to deliver this project at a fairly low cost with great quality and with a commitment for long term support. *** We have now earned 'Expertise' level in AI, ChatGpt and a couple of other AI platforms for App development and other Chatbot work! *** We have developed around 400+ Android and iOS apps using Native and Flutter SDK in the past 14 years, Many apps are Live in Google play and App store. We will share our detailed portfolio over the Chat once we connect. Looking forward to your reply... Thanks and Regards Jas
$20.000 USD en 65 días
9,5
9,5

A Warm Hello! We are readily available to start working on this project! We are confident to design, development, deployment, and operation of AppVisitanos, a cloud-native, API-first Progressive Web App (PWA) that transforms the city into a Smart Tourism Destination. Our solution delivers a single, official digital entry point—accessible instantly via QR Code—providing visitors with: - Safety & emergency tools - Smart local economic activation - Real-time tourism intelligence for city leadership We understand that AppVisitanos must: - Enable frictionless access without app store downloads - Scale reliably during peak tourism periods and major events - Strengthen tourist safety, satisfaction, and engagement - Drive local economic participation - Provide actionable intelligence for government decision-making - Serve as a foundational Smart City digital layer Our team is confident in delivering a secure, scalable, elegant, and practical solution that meets both immediate tourism needs and the city’s long-term Smart City strategy. We look forward to the opportunity to partner with the City on this transformative initiative. Regards Ana
$50.000 USD en 70 días
8,8
8,8

Hello , Nice to meet you! I will design and develop mobile application with web admin panel according to your requirement , ping me on chat so we can discuss this more. I am expert and 9 years experienced Android /iPhone app developer with backend work that you are looking for. I will provide you perfect product as you want so you would be happy with it. I am always ready to discuss about your project in detail as well as start from right now. The following are my services that i provide :- 1. Daily or Weekly update. 2. Clean and Robust code. 3. Responsible for communication for more than 15 to 20 hours each day. 4. Free Bug-Fix support for 1 year after completion. 5. Source code delivery. You can have a look at my profile by this link : https://www.freelancer.com/u/shyamvijaywargiy Let's contact me to discuss further details with me. Thanks Shyam
$30.000 USD en 125 días
9,0
9,0

I HAVE BUILT SIMILAR SMART CITY AND TOURISM APPS — READY TO TURN YOUR CITY INTO A DIGITAL DESTINATION WITH AppVisitanos. I will develop a full-featured PWA ecosystem that transforms your city into a smart tourism destination, combining safety, economic activation, and tourism intelligence. Core Features: Smart Geo-Directory with semantic search, vector maps, and intelligent ranking Live Cultural Agenda with events, calendar sync, and notifications Digital Passport & Gamification with QR stamps, rewards, and progress tracking Tourist SOS module with geolocation alerts, silent mode, and offline first-aid guides Merchant & Sponsor Portal with onboarding, campaigns, and analytics Municipal Backoffice with role-based access, content management, QR control, and reporting Bilingual interface (ES/EN), AI-powered search, and predictive analytics User Roles: Visitors: Browse POIs, collect rewards, receive alerts Merchants: Manage profiles, promotions, campaigns Municipal Staff: Monitor SOS, manage events, analyze tourism intelligence Deliverables: Fully functional, scalable PWA with serverless/API-first architecture Admin dashboards for multi-role municipal and merchant use Complete source code with documentation 2 years free ongoing support post-launch I ensure high-quality UX, responsive design, security compliance, and seamless integration with third-party systems. Portfolio and timeline available upon request.
$20.000 USD en 35 días
8,2
8,2

Hi, Could you share more about any specific features you want prioritized for AppVisitanos? Given the extensive description, I believe focusing on user experience and seamless functionality can greatly enhance visitor engagement. With 5+ years of experience in developing PWA applications, I have worked with serverless architectures and integrated API-driven solutions. I can help ensure that the user interface is intuitive and meets your high standards for design and practicality. I’m proficient in handling data privacy compliance and security measures, ensuring your app is robust and reliable. Let me know if you want to discuss your vision further or proceed with the project! Best Regards, Badar Madni
$20.000 USD en 30 días
7,3
7,3

Hi, This is Elias from Miami. I reviewed your AppVisitanos specification, and it’s clear you’re aiming for a city-level Smart Tourism PWA with rich modules — geolocation, SOS, gamified digital passport, smart directory, cultural agenda, merchant portals, and municipal dashboards. I’ve built scalable PWA and serverless solutions integrating Supabase, BigQuery/Redshift, AI for recommendations/predictive analytics, and multilingual support, so I can help bring this vision to life. I can ensure a frictionless QR-based user experience, robust API-first backend, secure municipal integrations, real-time SOS handling, and high-demand scaling for peak seasons. The platform will be maintainable, bilingual, and ready for analytics and smart city evolution. Q1: For SOS incidents, should alerts go simultaneously to all authorities (police, Red Cross, consulates) or follow a priority/zone-based escalation? Q2: Do you want the digital passport and gamification engine to support dynamic campaigns created directly by the municipal backoffice? Q3: Should predictive AI heatmaps and recommendations be calculated client-side for speed or centrally in the cloud? Q4: For merchant and sponsor analytics, do you need real-time dashboards or is near-real-time (e.g., 5–15 min delay) acceptable? Looking forward to helping make your city a smart, safe, and engaging destination. Regards.
$30.000 USD en 70 días
7,3
7,3

Hello, I read through your project and you want to build AppVisitanos where tourists scan a QR code and instantly get everything they need, safety tools, events, restaurants, discounts, games, and you see where tourists go and what they like. Tourists scan the code and it opens right away, no app store needed. They see events, find nearby places with directions and menus, collect digital stamps at tourist spots for rewards, and have an SOS button that sends their location to police or ambulance automatically if they need help. Works in Spanish and English. For your government I'll build a control panel where different departments add events, manage businesses, create coupon campaigns, see heatmaps showing where tourists visit, track QR scans, and get SOS alerts with locations on a map. Businesses can register, get verified, create offers, and see how many people viewed them or used coupons. I'll use Vue for front-end, Supabase for data, serverless functions so it handles huge crowds automatically during busy seasons, AI for smart search and predictions. Everything's encrypted and follows data laws with backups. I've built PWAs and smart city platforms before. Looking forward to discussing further. Regards, Kamran.
$26.000 USD en 40 días
7,2
7,2

⭐⭐⭐⭐⭐ Valuable Client, CnELIndia, led by Raman Ladhani, is well-positioned to deliver AppVisitanos as a robust, scalable, and user-centric Smart Tourism ecosystem. We will ensure frictionless PWA adoption with bilingual support, leveraging serverless/cloud-native architecture (AWS/Azure/GCP) for peak-season scalability. Our approach includes modular microservices for SOS, maps, notifications, and gamification, ensuring independent scaling and fault tolerance. We will integrate municipality systems, emergency services, and third-party APIs for seamless operations. Data pipelines with Supabase and BigQuery/Redshift/Snowflake will feed AI-driven insights (heatmaps, predictive flows, anomaly detection). CnELIndia’s expertise in UI/UX, geolocation services, cloud architecture, and secure API-first design ensures high-quality, intuitive, and practical solutions, while Raman Ladhani will oversee deployment, continuous monitoring, and Smart City future integrations.
$35.000 USD en 7 días
7,0
7,0

Hello there, We understand AppVisitanos as a city-wide smart-tourism PWA combining safety, economic activation, cultural content, and real-time intelligence. We can deliver an intuitive PWA, a scalable serverless backend, secure APIs, and AI-driven search, heatmaps, and recommendations. Our experience with Vue, Supabase, BigQuery, microservices, and government-level security makes us a strong fit. Our approach: – Build a fast bilingual PWA with offline capability. – Implement API-First services for directory, events, coupons, SOS, and notifications. – Deploy serverless functions with monitoring, auto-scaling, and failover. – Set up a data warehouse, ETL, dashboards, and predictive models. – Provide merchant and municipal portals with RBAC. To align fully: Which cities/systems must we integrate? What are the priority modules for phase 1? And what compliance standards apply? Finally, if you believe our experience is a suitable fit for the project, please respond so that we can continue this conversation and arrange our next steps accordingly. Warm Regards Sachin
$35.000 USD en 7 días
7,0
7,0

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
$20.000 USD en 40 días
6,5
6,5

Hello,We studied your AppVisítanos technical specification in detail – including the silent SOS with geolocation, QR-based digital passport, municipal backoffice with multi-roles, and AI heatmaps for visitor flows. Our team has already mapped these requirements into a concrete technical architecture and rollout plan. We are a GDPR, SOC2 and ISO-certified technology company, and our team has delivered secure, high-traffic platforms for large enterprises and Fortune 500 clients. Over the years we’ve implemented many of the same features you need: - PWA with QR access (no app store, instant loading) - Smart geo-directory with semantic search (“pet friendly”, “cheap breakfast near me”) - Digital passport & QR routes with rewards and coupons - Tourist SOS + silent protocol, integrated with authorities - Merchant & municipal dashboards for Turismo, Cultura, Seguridad and Desarrollo Económico - Tourism intelligence: heatmaps, campaign impact, route completion, coupon redemptions We understand that for a Mexican city, the key is: easy adoption for visitors, visible economic impact for merchants, and political/security trust for authorities. We would love to show you our proposed pilot for one zone of the city, and how it can scale safely for high season within your budget. Regards, Sagar.
$35.000 USD en 7 días
6,8
6,8

I’m excited to help deliver AppVisitanos, a cloud-native, bilingual PWA turning the city into a Smart Tourism Destination. The platform will provide tourists with SOS tools, gamified digital passports, cultural agendas, and real-time business directories while offering municipalities actionable insights. Technical Approach: Frontend: Vue-based PWA, offline-ready, mobile-first, bilingual (ES/EN). Backend: API-first microservices (Node.js/FastAPI), authentication, SOS, gamification, notifications. Data & AI: Supabase operational DB, data warehouse (BigQuery/Redshift), predictive heatmaps, semantic search, anomaly detection. Integrations: Maps, WhatsApp/SMS, municipal & emergency APIs. Infrastructure: Serverless/cloud, auto-scaling, monitoring, encrypted storage, GDPR compliance. Deliverables: Fully functional PWA, merchant portal, municipal backoffice, dashboards, API layer, documentation, and deployment support. I can ensure scalable, secure, and user-friendly design aligned with your vision. Let’s connect over chat to discuss the project further.
$35.000 USD en 7 días
6,3
6,3

Hi, Hope you are doing well! I would love to create a cutting-edge digital ecosystem for your city with AppVisitanos, transforming it into a Smart Tourism Destination. This cloud-native platform will seamlessly integrate tourist safety tools, smart local economic activation (geo directory, coupons, gamification), and real-time government insights (heatmaps, visitor flow) through a scalable, AI-driven PWA. With robust features like live cultural agendas, digital passports, SOS safety modules, merchant portals, and municipal back-office management, I'll ensure a user-friendly, secure, and future-ready solution that will drive tourism and enhance city operations. Please Take a Look at My Professional Portfolio: https://www.freelancer.pk/u/zainalitariq245 I am hopeful that this proposal aligns with your vision, I look forward to your response. Best Regards, Zain Ali Tariq
$35.000 USD en 7 días
6,4
6,4

Hi I have read your requirements and I am sure I will be able to help you. 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 and for web and backend on react js and node js, Python Django, Power BI, Scikit-learn, Data Science AI ML, PyTorch, TensorFlow, SparkML , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$20.000 USD en 45 días
6,5
6,5

With over ten years of experience providing global IT services, Carol Data Technology and I are uniquely equipped to handle the development of AppVisitanos. Our team has a proven track record in Website and Mobile App Development, which will be paramount to building an intuitive and efficient PWA. One important feature that AppVisitanos requires is a robust backend architecture that can seamlessly integrate with various third-party systems. Our expertise in JS and PHP will allow us to design an API-First system that can be easily scaled for peak seasons while preserving your vision for a Smart City evolution. Also, our familiarity with AWS/Azure/GCP ensures that we can effectively manage your cloud infrastructure and guarantee optimal performance even during high traffic periods. Moreover, AppVisitanos relies heavily on data analytics and AI-driven models; our proficiency with BigQuery, Redshift, Snowflake, combined with our ten years of experience in Testng?, Project Management and Remote Developer support makes us the perfect choice to manage your data warehouse. We assure you a 45-day error-free service period and continued support after the delivery; giving you confidence in choosing Carol Data Technology for your project. Let’s make your vision of a Smart City Tourist Application come alive with us!
$20.000 USD en 30 días
6,0
6,0

Hi I have experience building large-scale smart-city PWAs and can help turn AppVisitanos into a high-performance tourism platform with secure, serverless architecture and intuitive UX. The core technical challenge is unifying geo-directory logic, SOS emergency flows, multilingual content, and real-time analytics under an API-First ecosystem, and I solve this through modular microservices, clean data models, and strong cloud orchestration. I can architect the PWA in Vue with Supabase for operational data, backed by scalable cloud functions, CDN delivery, and multi-zone redundancy. AI-enhanced search, semantic recommendations, and predictive heatmaps can be layered cleanly on top of your data warehouse. I’ll ensure merchant portals, municipal backoffice tools, and gamification modules follow secure RBAC, logging, and government-grade compliance. My approach emphasizes clarity, maintainability, and smooth onboarding across tourism, culture, and security teams. AppVisitanos will feel fast, modern, and scalable for peak-season loads. Thanks, Hercules
$50.000 USD en 250 días
5,7
5,7

Hi, I’ve delivered large scale, city-level digital platforms built as PWAs with serverless backends, natively multilingual UX, geolocation engines, emergency modules, tourism/commerce directories and data pipelines feeding real-time dashboards. Your AppVisitanos specification maps very closely to projects I’ve built using Vue PWAs, Supabase/Postgres, AWS Lambda, S3, BigQuery/Snowflake warehousing, semantic search, vector maps, QR-based interactions, and municipal integrations (tourism, safety, culture, mobility). I specialise in designing architectures that scale for peak events, remain extremely secure, and offer frictionless adoption for the public. For your platform I’ll build a fast bilingual PWA, design the full API-First architecture, implement microservices (SOS, geolocation, notifications), connect Supabase as your operational DB, integrate S3 for documents and media, and create AI-enhanced search and analytics pipelines. I’ll also design merchant, sponsor and municipal backoffices with RBAC and dashboards, ensuring security, performance and practical workflows. The system will be pilot-ready, scalable city-wide, and built for Smart City evolution. Best regards, Joseph
$35.000 USD en 7 días
5,2
5,2

Hey, i will begin by using vue.js, making it accessible instantly through a qr code with no app store downloads required. the backend will be managed with serverless architecture, using aws lambda functions and api-first design to ensure easy scalability during peak seasons. user accounts and authentication will be handled with email, phone, or social logins, and data will be stored securely in supabase. for geo-localized services like the smart directory and event management, i will use google and apple maps, while integrating ai for predictive features like heatmaps and under-activated zones. the safety features, such as the sos button and silent protocol, will be tightly integrated with emergency services using reliable geolocation data. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget. I will share my portfolio in chat I look forward to hear from you. thanks Regards, Mughira
$35.000 USD en 7 días
4,8
4,8

✅ Let's make your Smart Tourism Destination project seamless and stress-free Hello Adolfo, I see you need a cloud-native digital ecosystem for turning the City into a Smart Tourism Destination. I understand how crucial it is to provide seamless access to tourist safety tools and smart economic activation without any hassle. I've built similar solutions for enhancing tourism experiences with 5 years of hands-on experience in cloud-native applications. I'll deliver a scalable and user-friendly platform that empowers the city to evolve into a Smart City destination, fully equipped with real-time tourism intelligence tools. Successfully delivered numerous similar projects with 5-star ratings, I ensure 30 days of post-launch support. Available to start immediately — first milestone ready in 2 weeks. I'd love to discuss your vision. When works best for a quick 10-minute call? Worst case, you'll get free insights to guide your project. Looking forward to collaborating, Piyush Gupta Smart Tourism Developer | 5+ Years
$30.000 USD en 90 días
4,1
4,1

I can help you build the complete AppVisitanos ecosystem exactly as described — a fast, secure, cloud-native PWA designed for Smart Tourism infrastructure. I will develop a bilingual, installable PWA with modular sections including Smart Geo-Directory, Cultural Agenda, Digital Passport, Coupons, Gamification, and a responsive SOS safety module with geolocation and silent alerts. The backend will follow an API-First, serverless architecture with scalable microservices for maps, notifications, SOS, events, and business directory. I will set up Supabase for operational data, integrate a data warehouse, and prepare AI-ready pipelines for semantic search, predictive heatmaps, and recommendations. The merchant portal and municipal backoffice will include role-based control, campaign tools, QR management, and analytics. The entire system will follow strict security, encrypted storage, monitoring, and high-demand optimizations to support peak tourism seasons. I will ensure a clean architecture, government-grade reliability, and a smooth roadmap for future Smart City expansions.
$23.000 USD en 15 días
4,1
4,1

PUERTO VALLARTA, Mexico
Forma de pago verificada
Miembro desde sept 5, 2013
$3750-11250 USD
$250-750 USD
$30-120 USD /hora
$3750-11250 USD
$250-750 USD
$250-750 SGD
€250-750 EUR
$10-70 USD
₹12500-37500 INR
$10-300 USD
$115-200 HKD /hora
₹1500-12500 INR
$250-750 AUD
₹12500-37500 INR
₹12500-37500 INR
₹75000-150000 INR
₹1500-12500 INR
₹12500-37500 INR
$100 USD
₹1500-12500 INR
₹1500-12500 INR
$115-200 HKD /hora
₹600-1500 INR
€250-750 EUR
$30-250 USD