
Closed
Posted
Paid on delivery
I need a full-stack Flutter developer to turn my concept for a habitat-condition data collection system into a production-ready product. Mobile app • Built with Flutter for Android and iOS • Works fully offline, including photo capture, GPS tagging and entry of vegetation cover, soil health, water quality, field notes and any other custom fields I configure • Stores records locally and auto-syncs to a secure cloud MySQL database the moment connectivity returns (no data loss permitted) Admin & analytics web console • Role-based access: researchers / ecologists will need dashboard privileges alongside standard survey managers and system admins • Create and edit survey templates on the fly, activate / retire them and manage user accounts • Leaflet will power the interactive map so that every record can be reviewed spatially, with layers toggled on demand • Real-time charts, summary statistics and printable reports generated from 1,000+ records without lag • One-click export to CSV and Excel (UTF-8 compliant) Core deliverables 1. Cross-platform Flutter app with offline data store and sync logic 2. Web dashboard (preferred stack: Node/Express or comparable) linked to a MySQL backend 3. REST or GraphQL API that both layers share 4. Documentation for deployment, environment variables and versioned database schema 5. Source code in a private Git repository with at least two intermediate milestones for review Acceptance criteria • Offline surveys sync flawlessly after reconnection • Dashboard remains responsive while paging through a minimum of 1,000 records • Excel export opens in MS Office and LibreOffice without encoding issues In your proposal, please outline: • Relevant Flutter, GIS (especially Leaflet), MySQL and data-sync experience • The specific technology stack you intend to use for the web console and API • Estimated timeline with major milestones • Links or screenshots of past projects solving similar offline-first or survey-based challenges I’ll be available for quick feedback throughout the build and can supply detailed field definitions and UI wireframes once we start.
Project ID: 40496710
80 proposals
Remote project
Active 24 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
80 freelancers are bidding on average ₹104,840 INR for this job

Hello, I can develop your full-stack habitat-condition data collection system. I’ve already built similar offline-first field data platforms with Flutter, GPS tagging, media capture, and reliable background sync to cloud databases, along with GIS-based dashboards for environmental and survey analytics. Development approach: Requirement finalization + survey schema engine design Flutter app with offline storage (SQLite) + GPS/photo modules Secure REST API + MySQL schema with audit/versioning Web dashboard with Leaflet maps, filters, and analytics Sync engine testing + export (CSV/Excel UTF-8 validated) Deployment + documentation + milestone reviews I’ll deliver in iterative milestones with full testing on offline/online transitions and performance validation for 1,000+ records. Questions: Do you need fully dynamic survey builder (field types editable from admin) or fixed templates? Should sync support multi-device conflict resolution or last-write-wins is acceptable? I can start immediately and ensure production-ready stability with clean, scalable architecture. Thanks Rahul
₹150,000 INR in 20 days
8.7
8.7

Offline-first Flutter apps with GPS, photo capture, and reliable cloud sync are a core strength of mine, making this habitat survey platform a great fit. My proposed stack: Flutter (Android + iOS) with SQLite/Drift for local storage and auto-sync to MySQL via a Node.js/Express REST API. The admin web console will use React with Leaflet for spatial map review with toggleable layers, real-time charts, and summary statistics paginating through 1,000+ records smoothly. I'll also implement role-based access (admins, survey managers, researchers/ecologists), dynamic survey template management, and one-click CSV/Excel export with UTF-8 compliance. Deliverables: cross-platform Flutter app, web dashboard, shared API, database schema docs, deployment guide, and source in a private Git repo with milestone checkpoints. Regards, Harsh Thoriya
₹150,000 INR in 7 days
8.6
8.6

Hello, Your project is a great fit for my experience in Flutter, Node.js, MySQL, and offline-first mobile applications. I understand that the most critical requirement is reliable offline data collection with seamless synchronisation once connectivity is restored. I would build the solution with a robust local database, conflict-handling strategy, background sync queue, GPS/photo capture support, and a scalable backend to ensure zero data loss. Questions ========== Will survey templates contain dynamic field types (text, dropdown, image, GPS, numeric, etc.)? Do records require approval workflows before becoming visible in reports? How many concurrent field users do you expect initially? Should photos be compressed before synchronisation to reduce bandwidth? Do you prefer REST API or GraphQL for long-term scalability? I can deliver a scalable, production-ready solution with clean documentation, version-controlled source code, and milestone-based reviews throughout development. Best Regards,
₹132,500 INR in 20 days
7.2
7.2

Your project calls for a robust offline-first Flutter app that syncs habitat survey data seamlessly, paired with a responsive web dashboard for managing surveys and users. I recently helped an environmental NGO build a similar offline data collection app in Flutter with photo, GPS, and custom fields, syncing to a PostgreSQL backend once online. For your web console, I’d use Node.js with Express for the API and React for the dashboard, integrating Leaflet for spatial data visualization. This stack balances speed and scalability while supporting real-time charts using libraries like Chart.js. To ensure smooth offline sync, I’d set up conflict resolution based on timestamps and user roles, which worked well in my last project. For exports, UTF-8 encoding and XLSX generation via server-side libraries will guarantee compatibility with both MS Office and LibreOffice. Timeline-wise, I suggest: • Week 1–2: Flutter app with offline store and photo/GPS capture • Week 3–4: API and database setup, sync logic • Week 5–6: Dashboard with Leaflet maps, user management, and real-time charts • Week 7: Export features, testing, and documentation Quick question: Do your field definitions include any nested or repeatable fields? That can affect the local data model design. Also, are you open to incremental sync or prefer full uploads each time? I’m ready to start building it out once you share wireframes and field details.
₹150,000 INR in 7 days
6.0
6.0

Hi, I came across your project "Flutter Habitat Survey Platform" and I'm confident I can help you with it. About Me: I'm a full stack developer and agency owner with over 8+ years of experience in PHP, Mobile App Development, Node.js, Flutter, MySQL, Android. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak
₹120,000 INR in 30 days
6.0
6.0

Hello, I reviewed your Flutter Habitat Survey Platform requirement and would love to help build a scalable, field-ready application designed for efficient ecological data collection, habitat monitoring, and survey management. I understand the importance of creating a reliable platform that works seamlessly for researchers, field teams, and administrators while handling large volumes of survey data accurately. I can develop the application using Flutter with a secure backend, real-time synchronization, offline data capture, GPS/location tracking, photo uploads, mapping integration, and comprehensive reporting dashboards. The platform can support habitat assessments, species observations, survey forms, analytics, user role management, and data export capabilities while maintaining a clean and intuitive user experience. I focus strongly on responsive UI/UX, scalable architecture, performance optimization, and maintainable code to ensure the platform remains reliable as data and user activity grow. The final delivery can include source code, deployment support, documentation, and future scalability recommendations. Looking forward to discussing the project further.
₹129,999 INR in 35 days
6.1
6.1

Field surveys rarely happen in areas with reliable connectivity, so the real constraint for a habitat platform isn't the form design or the Node API. It's what happens when the surveyor walks into a wetland with no signal and comes back two days later. Either the app queued and synced cleanly, or you lost observations. For this stack I'd build the Flutter side as offline-first from day one: SQLite with Drift locally, background sync to the Node/MySQL backend via GraphQL mutations when connection restores, with conflict resolution at the record level. GraphQL suits this well since you can batch a full queue of observations in a single mutation call on reconnect instead of firing N individual requests. The backend I'd structure as Node/Apollo Server over MySQL, with survey forms modeled as JSON-schema-driven structures in the DB so new habitat-condition fields can be added without shipping an app update. A thin REST layer alongside GraphQL covers any GIS export or third-party integration hooks you'll want later. M1: Auth + DB schema + base API scaffolding, 32,000 INR, 5d. M2: GraphQL mutations + Flutter app shell with offline queue wired in, 32,000 INR, 5d. M3: Habitat survey forms + GPS/camera capture + sync tested end-to-end on device, 32,000 INR, 6d. M4: Admin dashboard + data exports + QA pass, 32,000 INR, 5d. What does a single survey record actually contain at the field level, fixed checklist fields, free-text observations, photos, GPS points, or a mix of all of them? That shapes both the schema and the offline storage budget on the device.
₹128,000 INR in 21 days
5.6
5.6

As a seasoned full-stack developer with a passion for transforming ideas into reality, I believe I am uniquely positioned to take on this challenging project. With over 5 years of professional experience under my belt, including in Flutter and GIS (Leaflet), I have a solid understanding of the technologies required. My proficiency in both frontend and backend development also ensures that I can deliver the cross-platform Flutter app and the web-based admin console with aplomb. In terms of tools, for the web console and API, I intend to use Node/Express or an equivalent, ensuring high performance and stability. Additionally, my skills in MySQL will ensure seamless data management and reliability throughout the habitat survey process. Moreover, having past experience with offline-first and survey-based systems, I am familiar with the dynamics of your project and will work diligently to meet your specific acceptance criteria. Commitment to delivering coding excellence within agreed-upon timelines is at the core of my work ethic. You can rely on me to leverage my expertise not only in Flutter but also in Node.js, PHP, and other technologies to design a scalable solution for your needs. And most importantly, as someone who values communication and feedback immensely, you can be assured of staying informed about the progress while also making key decisions along the way. You've found a partner who is experienced, skilled, efficient - now let's create something amazing together!
₹112,500 INR in 7 days
5.6
5.6

Hi, This fits very well with my experience building offline-first Flutter applications, field data collection systems, dashboards, and GIS-enabled platforms. I can help build: Flutter Android/iOS app offline local storage with reliable sync photo capture + GPS tagging dynamic survey templates Node.js API layer MySQL backend role-based admin dashboard Leaflet-based mapping CSV/Excel exports analytics and reporting The most important part here is the offline sync architecture. I have worked on systems where data integrity and synchronization were critical, ensuring records are never lost when users move between offline and online environments. I focus on clean architecture, scalability, and long-term maintainability, with milestone-based delivery and complete documentation
₹112,500 INR in 7 days
4.9
4.9

Hello, I can create/modify the app/web as you wish. I have 6.5+ years of experience in this field. Let's connect and discuss more about your requirements. Thank you.
₹85,000 INR in 18 days
5.0
5.0

Dear Sir, I hope this message finds you well. I am a Flutter Developer with 8+ years of experience building high-performance mobile apps, specializing in clean architecture, state management, and scalable UI/UX. I specialize in developing Flutter applications and have strong domain knowledge. I can complete your project within the agreed timeframe and budget. Having worked on similar projects, I am confident I can exceed your expectations. Please let me know if you would like to discuss this further in chat. Best regards.
₹75,000 INR in 20 days
4.9
4.9

Hello there, I reviewed your project "Flutter Habitat Survey Platform" and can help you complete it efficiently and professionally. I have experience with PHP, Mobile App Development, iPhone, Android, Software Testing, MySQL, Node.js, Flutter, GraphQL, REST API and have worked on similar projects before. Based on your requirements, I can deliver a reliable solution with clean, well-structured work. • Bid Amount: ₹77,250.00 INR • I will deliver on time • Quick communication and regular updates • Post-delivery support included I can start immediately and would be happy to discuss any specific requirements or questions you may have. Looking forward to working with you. Best regards, {your_name}
₹77,250 INR in 7 days
4.7
4.7

With over a decade in the software development space, I'm Murtuza, a seasoned professional who stops at nothing short of excellence. One of my biggest strengths is my adaptability from UI/UX design to AWS/Kubernetes deployment, which will be essential in developing your Flutter Habitat Survey Platform. My experience extends to working on both large scale applications and encompassing features and functionalities to precisely meet clients' needs, such as yours. Regarding your project, I have solid proficiency in all the technologies you require - Android, Flutter (as a significant dev language), GraphQL (for seamless API integration), Mobile App Development (with extensive offline capabilities), MySQL & Node.js (for your backend and web console). I am sure these skills coupled with a detail-oriented and UX-focused approach are what you need for this project. To further assure you of my competence, I invite you to scrutinize my portfolio which includes past projects aligning with your needs: offline-first and survey-based solutions. I consistently deliver refined products without technical debt and maintain a 100% Job Success Rate. Let me bring that same level of drive, dedication and problem-solving ability to create an exceptional habitat-condition data collection system for you!
₹112,500 INR in 17 days
5.4
5.4

Being in the realm of Full-Stack Development for over 7 years, I have not only gained expert fluency with Android and Flutter (which you've rightly specified as what you're desirous of), but also procured valuable experience in solving similar offline-first and survey-based challenges. From developing production-grade Mobile apps to building REST API and a polished and performance-driven Web Dashboard, I possess all the proficiency you need for this project. To deliver your expected mobile app that syncs data flawlessly, even when offline, I'll leverage my detailed understanding of Flutter's capabilities. To ensure the responsiveness of your dashboard while paging through a minimum of 1,000 records alongside the seamless export of records to Excel without any punnet issues, I'll draw from my expertise across diverse frameworks and databases like Node/Express stack along with MySQL backends. I intend to follow an agile approach for this project with two intermediate milestones for review and provide a documented system which would include deployment procedures and environment variables. Rest assured, my commitment to timely delivery has made 98% of my projects ship on or before the deadline.
₹112,500 INR in 7 days
4.5
4.5

Hi, We can build your habitat survey platform with an offline-first Flutter application, secure cloud synchronization, and a GIS-enabled analytics dashboard designed for large-scale ecological data collection. We've worked on Flutter apps with offline sync, GPS tracking, field-data collection workflows, and dashboard systems, making this a strong fit. We can deliver this for ₹89,000 within 12 days. Our approach: • Flutter app for Android & iOS • Offline local storage with automatic sync • Photo capture, GPS tagging, field notes, and custom survey fields • Reliable conflict-free synchronization to MySQL • No data loss during offline operation Web Console: • Node.js + Express backend • MySQL database • Role-based access (Researchers, Ecologists, Managers, Admins) • Survey template management • User management • Leaflet map integration • Real-time charts and reporting • CSV & Excel exports (UTF-8 compliant) API Layer: • Shared REST API for mobile and web • Scalable architecture for future expansion • Complete deployment documentation Timeline: Day 1–3: Database, API & authentication Day 4–7: Flutter app + offline sync Day 8–10: Admin dashboard + Leaflet maps Day 11: Reports & exports Day 12: Testing, deployment & documentation Ready to build a production-ready survey platform optimized for field operations and large datasets.
₹89,000 INR in 12 days
4.3
4.3

Hi, I understand that reliability is critical: the Flutter app must work fully offline with photos, GPS, and configurable survey fields, then synchronize safely to MySQL without any data loss once connectivity returns. With 8+ years of experience, I have built cross-platform applications with offline-first architecture, background sync, REST APIs, and scalable dashboards, and I would use Flutter + SQLite, Node/Express, MySQL, and Leaflet for spatial visualization. Your requirements for role-based access, dynamic survey templates, responsive analytics over 1,000+ records, and UTF-8 compliant CSV/Excel exports are clear, and I can structure the system with milestone reviews and versioned schemas. This project aligns closely with my expertise, and I would be glad to discuss your field definitions and wireframes to deliver a production-ready solution rather than just a prototype.
₹112,500 INR in 25 days
3.8
3.8

Having executed multiple Flutter-based projects and developed complex web platforms using Node.js and MySQL, I am the perfect fit for your vision. My skill-set uniquely complements this project's requirement of building both a mobile app and an administrative web console. Most notably, my proficiency with Flutter, Android, iOS and relational databases is exactly what you need to ensure seamless offline data storage and sync. Additionally, I've successfully integrated geographic information systems (GIS) in past projects using tools like Leaflet hence familiar with its potential for your spatial data analysis needs. Moreover, my ability to deliver highly scalable solutions like health care dashboards which process significant and diverse data sets without a hint of lag bodes well for your analytics requirements; regardless of the volume of data you intend to process, I am confident that my work will remain fast and responsive. As a technology partner, my aim is not just to "write code" but to collaborate with my clients in planning, building, and evolving their products. This aligns perfectly with your request for someone looking towards long-term collaboration rather than one-off tasks. Providing a private Git repository with constant feedback on major milestones demonstrates my commitment to clear communication ensuring both parties achieve the desired goal. let us sit down and bring your Flutter Habitat Survey Platformicism to life.
₹80,000 INR in 7 days
3.8
3.8

With your ambitious project to create a Flutter Habitat Survey Platform, it's crucial to find a versatile and experienced developer. And that's where I come in. My comprehensive skill set as a Senior Full Stack Developer includes several key areas that directly align with your needs. On the front end, I have extensive experience with Flutter, ensuring cross-platform functionality for flawless Android and iOS operation. I also bring valuable back-end skills, particularly with Node.js, providing you with the full package for your mobile app and administrative web console. Moreover, my understanding of GIS technologies – including Leaflet – will prove invaluable for your interactive mapping feature, allowing seamless spatial review of survey records. And make no mistake - I'm not just about developing; I excel in delivering production-ready applications too. I am well-versed in MySQL for creating reliable databases, and my REST or GraphQL API design will ensure efficient and consistent data exchange between the app and web console. Crucially, my commitment to quality is unwavering. I understand the importance of offline functionality for a field-centric habitat survey platform like yours. I will use my proven track record of building scalable and secure digital solutions to meet your unique requirements in terms of data syncing, customization of the surveys and user management within your timeframe.
₹75,000 INR in 15 days
3.6
3.6

Hello, I have read your Complete proposal your Need a Experienced Flutter developer for habitat survay app . I have more than 3 years of work experience in Mobile application developemnt have a hand-on expeirence in Many terms like Figma to Flutter, Firebase, Google maps and Rest APIs integrations I am Confident that will handle your task in a reasonable price and time and I am available to start working on it Let's chat to Proceed
₹75,000 INR in 7 days
3.7
3.7

I can develop your offline-first habitat data collection platform using Flutter, Node.js, MySQL, and Leaflet, with reliable sync architecture, GPS/photo capture, dynamic survey templates, role-based dashboards, GIS visualization, and high-performance analytics designed for field research workflows.
₹112,500 INR in 7 days
2.8
2.8

Karnataka, India
Member since Jan 11, 2025
₹37500-75000 INR
$10-30 USD
$250-750 USD
$250-750 USD
$10-30 USD
₹1000000-2500000 INR
$30-250 CAD
$25-50 USD / hour
₹12500-37500 INR
₹37500-75000 INR
₹750-1250 INR / hour
£250-750 GBP
$30-250 USD
₹1500-12500 INR
$15-25 CAD / hour
₹1250-2500 INR / hour
$30-250 USD
$30-250 USD
$250-750 USD
₹400-750 INR / hour