Freelancers using Next.js in SuratFreelancers using Next.js in Surat
Frontend Developer | React.js, Next.js & Responsive UI
$1k+
Earned
8x
Hired
5.0
Rating
25
Followers
Frontend Developer | React.js, Next.js & Responsive UI
Innovative MERN | Full Stack Developer | Web & PWA Expert✨
25
Followers
Innovative MERN | Full Stack Developer | Web & PWA Expert✨
Expert in React Js | NextJS | MERN| FE| BE | AI | Node Js
5.0
Rating
18
Followers
Expert in React Js | NextJS | MERN| FE| BE | AI | Node Js
Frontend Developer
UI/UX Design · Website Development · Webflow & Framer Expert
5.0
Rating
16
Followers
UI/UX Design · Website Development · Webflow & Framer Expert
AI & FlutterFlow Developer | Voice AI, n8n, Firebase
$10k+
Earned
2x
Hired
5.0
Rating
36
Followers
AI & FlutterFlow Developer | Voice AI, n8n, Firebase
Flutter Mobile App Engineer for Startup MVPs
5.0
Rating
3
Followers
Flutter Mobile App Engineer for Startup MVPs
Cover image for CERA - Real-Time Threat Management
CERA - Real-Time Threat Management System Overview CERA is a real-time threat management and emergency response platform designed to help police, fire, EMS, security teams, and other responders coordinate during critical incidents. I worked on the CERA mobile application, building a field-focused experience that gives responders access to real-time incident information, interactive maps, communication tools, and critical event workflows from their mobile devices. The platform brings together incident reporting, live location data, mapping, communication, and scene management into a single mobile experience. The Challenge During a critical incident, information changes extremely quickly. Responders may need to understand: Where the incident is happening Where threats or suspects are located Where injured people are located Where other responders are positioned Where command and medical posts have been established What has already been reported Which areas require immediate attention The challenge was to create a mobile experience where this information could be captured, synchronized, visualized, and acted upon quickly. The Solution I helped develop the mobile experience around a simple principle: Make critical information visible, actionable, and available in real time. CERA connects incident reporting, real-time location, interactive maps, communication, alerts, and scene management into one operational workflow. Core Workflow Incident → Location → Intelligence → Communication → Coordination → Response Key Features 🗺️ Live Interactive Map The map is one of the core components of CERA. Responders can visualize important operational information directly on the map, including: Responders Suspects Injured victims Command posts Medical/triage locations Perimeter points Other incident resources This provides teams with a shared visual understanding of what is happening and where. 🚨 Real-Time Incident Management Responders can create and update incident information as situations evolve. The application supports reporting important incident details, locations, images, and other operational information while keeping relevant users synchronized. 👤 Threat & Suspect Tracking CERA provides workflows for recording and managing information related to suspects and threats. Information can be associated with specific locations, helping responders build a more complete picture of the situation. 🏥 Injury & Triage Management Responders can report injured-person locations and relevant details so medical teams can understand where assistance is required. The application supports triage-oriented workflows to help teams organize and prioritize medical response. 📍 Location & Navigation Location awareness is integrated throughout the application. Responders can access important operational locations and use map-based information to understand where they need to go and where other resources are positioned. 📹 Video Communication The platform includes video communication capabilities that allow responders and people at the scene to communicate more directly. This can support remote assessment, information gathering, and coordination during an incident. 💬 Real-Time Communication Communication functionality is integrated into the incident workflow, allowing teams to exchange information while staying within the operational context of the event. 🔔 Alerts & Notifications Critical event notifications help ensure relevant users are informed when important incidents or updates occur. This creates a direct connection between an event being reported and the people who need to respond. Technology Stack Mobile Flutter Dart Responsive mobile UI Reusable components State management Backend & Cloud Firebase Firebase Authentication Cloud Firestore Firebase Storage Firebase Cloud Messaging Firebase Analytics Firebase Crashlytics Integrations REST APIs Interactive maps Location services Real-time location updates Push notifications Video communication Image/media handling Real-Time Architecture One of the most challenging aspects of CERA was handling real-time information across multiple users. Unlike a conventional application where users can refresh data when needed, CERA requires information to be synchronized while an incident is actively developing. For example: Responder reports an injured person → Incident data updates → Location appears on the map → Other responders receive the update → Medical teams review the information → Teams coordinate the response. This required careful handling of asynchronous data, real-time updates, network conditions, loading states, and UI synchronization. Map & Location Engineering The map experience required more than simply displaying a map. It needed to represent multiple types of operational information while remaining easy to understand under high-pressure conditions. I worked on interactive map experiences, location-based workflows, dynamic markers, and real-time updates while keeping the interface responsive. Performance & Reliability Because CERA is designed for critical situations, reliability was a major consideration. I worked on: Optimizing UI performance Managing real-time data efficiently Handling asynchronous operations API integration and error handling Optimizing map interactions Managing media and image data Push notification workflows Crash monitoring Production bug fixes Application stability My Role I was responsible for mobile application development and technical implementation, working across the core CERA mobile experience. My responsibilities included: Flutter development UI implementation Firebase integration Real-time data workflows Interactive map implementation Location-based functionality Incident management API integration Push notifications Communication features Media handling Performance optimization Bug fixing Production support App releases and improvements Key Engineering Challenges Real-Time Synchronization Multiple responders may be interacting with the same incident simultaneously, making reliable data synchronization critical. Complex Map Interactions The map needed to display multiple categories of operational information without overwhelming the user. High-Pressure UX Every interaction needed to be simple and predictable. The application had to make critical information accessible with minimal friction. Multiple User Roles Different responders can have different responsibilities and workflows, requiring flexible yet consistent mobile experiences. Reliability The application needed to remain stable while handling network requests, location updates, notifications, media, and real-time changes. Result The result is a real-time mobile threat management application that brings incident reporting, location intelligence, communication, mapping, and responder coordination into one platform. The experience can be summarized as: Detect → Report → Locate → Communicate → Coordinate → Respond CERA is a strong example of combining Flutter, Firebase, real-time systems, location services, interactive maps, notifications, and communication features to build a production mobile application for a demanding operational environment. Live App iOS: CERA on the Apple App Store (https://apps.apple.com/us/app/cera/id6741090954?utm_source=chatgpt.com) Android: CERA on Google Play (https://play.google.com/store/apps/details?id=com.cera.app.mobile&utm_source=chatgpt.com) Tech: Flutter · Dart · Firebase · Firestore · Firebase Auth · Firebase Storage · FCM · REST APIs · Maps · Location Services · Real-Time Data · Push Notifications
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Cover image for VeriTread Carrier — Heavy Haul
VeriTread Carrier — Heavy Haul Freight & Load Management App Overview I worked on the VeriTread Carrier mobile application, a heavy-haul freight marketplace that helps registered transport providers discover, evaluate, bid on, and manage freight directly from their mobile devices. The app connects carriers with shippers looking to transport heavy equipment and oversized loads, giving carriers access to freight information, bidding tools, shipment details, work orders, and communication capabilities in one mobile experience. The application is available on both Android and iOS, with the Android version currently available on Google Play. The Challenge Heavy-haul transportation involves much more than simply finding a load. Carriers need to understand: Where the load needs to be picked up and delivered Equipment and trailer requirements Load dimensions and weight Loading restrictions Required permits Port or pickup protocols Pricing and payment terms Current shipment status Buyer and shipment contact information The goal was to bring these workflows into a mobile-first experience so carriers could manage freight while on the road instead of relying entirely on desktop workflows. Key Features 🚚 Freight & Load Discovery Carriers can browse available heavy-haul loads and quickly review important information before deciding whether to pursue a shipment. The search experience supports filtering by criteria such as pickup/drop-off locations, categories, trailer types, and dimensions, helping carriers find freight that matches their fleet and capabilities. 🔎 Advanced Load Search I worked on creating a search experience that allows carriers to quickly narrow down available freight. Frequently used search criteria can also be saved so carriers don't have to repeatedly configure the same filters. 📋 Detailed Load Information Each load provides the information a carrier needs to evaluate the job, including equipment details, dimensions, locations, and other shipment-specific requirements. The objective was to make critical information easy to scan and understand from a mobile screen. 💰 Bidding & Rate Management The app allows carriers to submit bids and define their own rates and payment terms. This creates a direct workflow from: Find Load → Review Details → Evaluate Requirements → Submit Bid without requiring the carrier to leave the mobile application. ⭐ Watch & Save Loads Carriers can watch interesting loads before committing to a bid, making it easier to keep track of potential opportunities. 🚛 Fleet Matching Carriers can provide information about their fleet and capabilities so relevant freight can be identified based on what they are equipped to transport. 🧠 Load Advisor One of the more complex parts of the platform is the load-advisory functionality. The system helps identify important transportation considerations such as: Trailer type Loading restrictions Port protocols Permit requirements This gives carriers more context before accepting or bidding on a shipment. 📦 Shipment Management Once a load is accepted, carriers can manage current and upcoming shipments from the app. The workflow includes access to: Shipment details Pickup information Drop-off information Work orders Contact information Shipment status Order updates 📍 Location & Navigation Location-based functionality helps carriers manage pickup and drop-off information and navigate between important shipment locations. 💬 Communication The application also provides communication capabilities between carriers and buyers, allowing questions and shipment-related conversations to happen within the overall freight workflow. My Role I was involved in the mobile application development and implementation, working across the core carrier workflows and turning complex freight-management processes into an intuitive mobile experience. My work included: Mobile UI development Freight search and filtering Load-detail workflows Bidding functionality Shipment management Location-based functionality API integration Data handling Form and validation logic State management Performance optimization Bug fixing and production improvements Android/iOS release support Technical Challenges The biggest challenge was handling a large amount of logistics information while keeping the interface simple enough for users who may be working from the field. I focused on building reusable UI components and clear navigation patterns so that carriers could quickly move between searching for freight, reviewing a load, placing a bid, and managing active shipments. Another important consideration was handling API-driven data reliably across different parts of the application, including search results, load details, bids, shipment information, and location-related workflows. Product Impact The result is a mobile-first freight management experience that allows transport providers to manage a significant part of their workflow from their phones. Instead of simply functioning as a load board, the application brings together: Freight Discovery → Search → Load Details → Load Evaluation → Bidding → Shipment Management → Communication into a single carrier-focused mobile experience. The Android application has 10K+ downloads on Google Play and a 4.3-star rating, demonstrating real-world adoption of the product. Live App View VeriTread Carrier on Google Play (https://play.google.com/store/apps/details?id=com.veritread.carrier&utm_source=chatgpt.com) Category: Logistics / Transportation / Marketplace Platforms: Android & iOS Focus: Heavy Haul Freight · Load Board · Bidding · Shipment Management · Fleet Matching · Location Services
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Cover image for Building a Calorie Tracking App
Building a Calorie Tracking App with Flutter + Firebase 📱🥗 I recently worked on a Calorie Counter & Tracker app designed to make daily nutrition and fitness tracking simple, fast, and practical. The goal wasn't just to build another calorie calculator. The focus was to create a complete tracking experience where users can scan food, log meals, monitor calories and nutrition, track exercise, record water intake, and stay consistent with their daily goals. 🔗 Live on Google Play: https://play.google.com/store/apps/details?id=com.app.calories.counter.appcrown.kkapptech 🛠️ Tech Stack Frontend • Flutter • Dart • Responsive UI • Custom reusable widgets • State management Backend & Cloud • Firebase Authentication • Cloud Firestore • Firebase Storage • Firebase Cloud Messaging • Firebase Analytics • Firebase Crashlytics APIs & Integrations • Nutrition & calorie APIs • Food database integrations • Barcode scanning • Image recognition / AI-based food analysis • Exercise & activity data 🔍 Key Features I Built 📸 AI Food Scanning One of the most interesting parts was making food logging faster through image recognition. Instead of manually searching for every food item, users can capture an image of their meal and get estimated calorie and nutrition information. The challenge here was designing the flow so that image analysis, API responses, loading states, errors, and user confirmation all worked smoothly together. 📊 Calorie & Nutrition Tracking The app tracks daily food consumption and provides users with a clear overview of their calorie intake. I worked on the underlying flow for: → Adding food → Managing meals → Calculating daily intake → Tracking nutrition values → Comparing intake against goals → Displaying progress clearly 🔎 Food Search For cases where scanning isn't suitable, users can search for food and add it manually. This required handling API-driven food data while keeping the experience fast and simple. 📦 Barcode Food Scanner Packaged food can be added using barcode scanning, allowing users to quickly retrieve available nutrition information instead of entering everything manually. 🏃 Exercise Tracking Food intake is only one side of the equation. The app also allows users to log workouts and activities and view estimated calories burned based on the activity and duration. 💧 Water Tracking I also implemented the daily water tracking flow so users can keep their hydration alongside their nutrition and exercise data. 🎯 Goals & Progress Users can set calorie and activity goals and monitor their progress over time. The challenge was keeping the dashboard informative without overwhelming the user with too much information. 🔥 Why Flutter + Firebase? For this type of product, Flutter was a strong choice because it allowed us to build a consistent experience across Android and iOS while keeping the UI highly customizable. Firebase handled much of the cloud infrastructure: • Authentication • Real-time/cloud data • User-specific tracking data • File storage • Push notifications • Analytics • Crash monitoring This allowed us to focus more of the development effort on the actual product experience and integrations instead of maintaining a large custom backend infrastructure. ⚙️ Some of the Engineering Challenges Building a health & fitness tracking app isn't simply about creating screens. Some of the important engineering work involved: → Designing scalable Firestore data structures → Connecting multiple third-party APIs → Handling asynchronous API responses → Managing image uploads and processing → Handling barcode scanning → Keeping calorie calculations consistent → Managing loading, empty and error states → Building reusable Flutter components → Implementing notifications and reminders → Monitoring crashes and production issues → Optimizing the app for a smooth mobile experience 📱 The Result The final product brings multiple tracking workflows into a single mobile experience: Food → Calories → Nutrition → Exercise → Water → Goals → Progress The app is currently available on Google Play with features including food image recognition, barcode scanning, calorie tracking, exercise tracking, water tracking, and goal management. For me, this project was a great example of how Flutter + Firebase + third-party APIs + AI-powered functionality can be combined to build a production-ready mobile product. If you're building a health, fitness, nutrition, or AI-powered mobile app, I'd be happy to discuss how we can turn the idea into a working product.
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Automation engineer building full-stack business systems
Automation engineer building full-stack business systems