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I’m building a unified productivity solution that starts with a fully-functional web application and extends to a companion Flutter mobile app. Top priority: the web app. I need it coded with clean, well-documented practices and connected to a reliable SQL backend. Core modules should include: • Task management – create, edit, prioritize, and mark tasks complete • Note-taking – rich-text notes that can be linked to tasks Once the web interface is solid, the same features must be available in a Flutter app so users can manage tasks and notes on the go. A shared SQL database (or scalable alternative you recommend) should keep data synced in real time. Key expectations • Responsive, modern UI (React, Vue, or similar—open to your suggestion) • Secure authentication and role-based access • RESTful or GraphQL API layer for the Flutter client • Clear documentation and deployment scripts so I can reproduce the setup locally or on a cloud host If you have experience delivering web + Flutter solutions with robust SQL integration, let’s talk about timelines and milestones.
ID Projek: 40332090
119 cadangan
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119 pekerja bebas membida secara purata $515 USD untuk pekerjaan ini

Hi, I will deliver the web app — task management, rich-text notes, and secure auth — followed by the Flutter companion app, both powered by a shared API and SQL backend. For real-time sync, I will build a RESTful API with WebSocket channels so the Flutter app receives instant updates when tasks or notes change on the web side. This avoids polling overhead and keeps both clients consistent without draining mobile battery life. For the backend, PostgreSQL with row-level security pairs well with role-based access and scales cleanly. Questions: 1) Do you have a frontend framework preference — React or Vue — or should I recommend based on your team's stack? 2) How many user roles do you anticipate beyond a standard admin/member setup? Looking forward to discussing further. Best regards, Kamran
$270 USD dalam 10 hari
7.5
7.5

Hi there, I have read your project requirement. You need a unified productivity solution starting with a robust web application (task management + note-taking) connected to a SQL backend, followed by a Flutter mobile app that syncs data in real time via a secure API layer. We can build a clean, scalable system using a modern web framework (React/Vue) with a structured backend (Node.js + PostgreSQL or similar). The platform will include task management, rich-text notes linked to tasks, secure authentication, and role-based access. Once the web app is stable, we will extend the same functionality to a Flutter mobile app using REST/GraphQL APIs for seamless real-time sync. The codebase will be well-documented with deployment scripts for easy local and cloud setup. A few questions to clarify: ===================== Do you prefer REST or GraphQL for the API layer? Should real-time sync be instant (WebSockets) or periodic (API polling)? Any preferred cloud provider (AWS, GCP, DigitalOcean)? Do you need collaboration features (shared tasks/notes) in this phase or later? Best Regards, Srashtasoft Team
$500 USD dalam 7 hari
7.0
7.0

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, 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 , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$400 USD dalam 7 hari
6.5
6.5

Hello, I’ve read your plan for a Web & Flutter Productivity Platform and I’m confident I can deliver a solid, scalable foundation first for the web app, then extend it to Flutter with real-time data sync against a robust SQL backend. I bring hands-on experience building task management and note-taking modules, with clean, well-documented code and secure, RBAC-enabled authentication. I propose a modern UI with React or Vue (your choice) and a REST/GraphQL API layer to power the Flutter client, plus a reliable SQL store or a scalable alternative we can evaluate together. From my experience, a modular architecture with a clear API contract makes future extension smooth: a Task module (create, edit, prioritize, complete) and a rich Note module linked to tasks. I’ll implement a well-structured data model, migrations, and comprehensive docs, along with deployment scripts to reproduce locally or on cloud. I’ve shared an initial estimate based on your description, and once we go over a few technical details, I’ll confirm the exact cost and delivery schedule. As a mentalist-style observer, I understand the hidden goal: seamless, real-time sync across web and mobile, while keeping security and maintainability at the core. Could you share: (1) your preferred frontend framework (React or Vue) and any design system you want to adopt, (2) the database choice if you have a strong bias (PostgreSQL vs. a managed alternative like Supabase/Hasura), and (3) preferred real-time synchronizati
$250 USD dalam 10 hari
6.2
6.2

Your biggest risk here isn't the tech stack - it's data sync conflicts. If a user edits the same task on web while their phone is offline, you'll get race conditions that corrupt records. I've seen this break 3 production apps because teams treat sync as an afterthought instead of designing for it upfront. Before we architect this, I need clarity on two things. First - what's your expected concurrent user load? The sync strategy for 50 users is completely different than 5,000. Second - do you need offline-first capability on mobile, or can we assume users always have connectivity? That decision changes whether we use optimistic locking, CRDTs, or a simpler last-write-wins approach. Here's the architectural approach: - VUE.JS + TYPESCRIPT: Build a component library with Vuex for state management so the same data models work across web and mobile without duplicating business logic. - POSTGRESQL + ROW-LEVEL SECURITY: Implement RLS policies that enforce role-based access at the database layer, not just the API - prevents privilege escalation bugs. - GRAPHQL SUBSCRIPTIONS: Real-time sync using Apollo Client so task updates appear instantly across devices without polling the server every 5 seconds. - FLUTTER + DRIFT: Local SQLite cache with conflict resolution timestamps - when the app reconnects, it merges changes intelligently instead of overwriting data. - DOCKER COMPOSE: Package the entire stack (API, database, Redis for session management) so you can spin up the environment with one command. I've built 4 cross-platform productivity tools where sync reliability was non-negotiable - one handles 12K daily active users with zero data loss incidents. Let's schedule a 20-minute call to walk through edge cases like concurrent edits and offline queuing before I draft the technical specification.
$450 USD dalam 10 hari
6.4
6.4

Hello There!!! ★★★★ (Build unified web & Flutter productivity platform) ★★★★ I understand you need a modern web app with task management and rich-text notes, backed by a reliable SQL database, followed by a Flutter app that syncs in real time. Security, responsive UI, and clean documentation are key, along with a RESTful or GraphQL API to connect both platforms seamlessly. ⚜ Web app development with React or Vue ⚜ Flutter mobile app integration ⚜ Task management and note-taking modules ⚜ SQL database setup with real-time sync ⚜ Secure authentication and role-based access ⚜ API development (REST/GraphQL) ⚜ Documentation and deployment scripts I have 3+ years building web + Flutter solutions with SQL integration, focusing on clean code, scalability, and smooth UX. I’ll deliver web first, ensure data sync, then extend features to Flutter, fully documented for easy deployment. Excited to collaborate and make this productivity platform a reality. Warm Regards, Farhin B.
$256 USD dalam 10 hari
6.5
6.5

With comprehensive experience spanning over six years encompassing the realms of web and graphics design as well as mobile development, I assure you high-quality deliverables in a timely manner with unwavering communication and regular updates. I specialize in platforms like Wix, Squarespace, Wordpress, Woocommerce, Shopify et al, including mobile app development. My proficiency in SQL, paired with a deep understanding of Flutter places me at a vantage point for this project. Having executed numerous projects that married the classic and digital worlds, I am adept at creating robust SQL-backended solutions coupled with sleek front-end user interfaces. Whether it be task management or data synchronization across platforms - I have the necessary skillset to pull it off effortlessly. Moreover, your key expectations resonate perfectly with my work ethics as well; ensuring security, role-based access and providing clear documentation on deployments is second nature to me. Don't just take my word for it- my portfolio is here to bear testament to my skills. Let's not wait; send me a message today to discuss all the microscopic details and inaugurate our fruitful collaboration!
$500 USD dalam 7 hari
6.1
6.1

Hi, I’m a Flutter & full-stack developer with experience building web + mobile apps with shared backend (SQL + APIs). I can develop your web app using React + Node/Laravel + SQL, then connect a Flutter app via clean REST APIs for real-time sync. I focus on clean architecture, secure auth, and well-documented code for easy deployment and scaling. I can share similar projects and deliver a smooth, production-ready solution within your timeline.
$500 USD dalam 7 hari
5.8
5.8

Building a clean, easy-to-maintain web app with task and note modules that syncs smoothly with a Flutter mobile app fits well with challenges I've tackled before. I helped a client in productivity software create a React-based task manager with rich-text notes linked to tasks and backed by PostgreSQL, ensuring real-time sync via GraphQL subscriptions. For your stack, React is a practical choice with great community support and libraries for rich text and auth. I recommend using PostgreSQL or another ACID-compliant SQL database and deploying a GraphQL API to serve the Flutter client—that greatly simplifies data sync and roles management. A couple of questions: - What kind of real-time sync are you envisioning—push updates via subscriptions, or periodic polling? - Should role-based access extend to specific task/note ownership or just broad user roles? I’ll provide clean code with comments, clear docs, and deployment scripts so you can run or scale the setup anywhere. Ready to lay out the milestones and get started on the web app right away.
$500 USD dalam 7 hari
5.7
5.7

Hi M A., This is quite similar to a project I delivered last week, so I can jump straight into execution. Ready to start immediately. - Which SQL stack and hosting do you prefer (PostgreSQL vs MySQL) and are there data‑residency/backup constraints? - For real-time sync, do you want true bidirectional live updates with offline edits in Flutter, and how should conflicts be resolved (last-write-wins or per-field merge)? - Use PostgreSQL with strict FKs, row-level tenancy, and LISTEN/NOTIFY bridged to WebSockets for efficient push sync; store notes as Quill Delta JSON so the web editor (Quill) and Flutter (flutter_quill) render consistently and diff cleanly. - Implement a typed REST API in NestJS with OpenAPI, JWT + refresh tokens and role-based guards, fronted by rate limiting and Redis caching; ship Dockerized environments and automated migrations for reliable deployments and easy local repro. Action Plan: - Phase 1 (1 week): Finalize requirements, schema, roles, conflict policy; pick stack; wireframes. - Phase 2 (2–3 weeks): Web app in React + component library; auth/RBAC; tasks, notes (rich text), linking; tests. - Phase 3 (1–2 weeks): REST API, WebSockets real-time bridge, pagination/filtering; OpenAPI docs; Docker Compose; CI. - Phase 4 (2–3 weeks): Flutter app with parity features; sync layer; basic offline queue if in scope; tests. - Phase 5 (1 week): Hardening, performance pass, backups, monitoring hooks; deployment scripts; handoff docs. Best Regards, Sid
$727 USD dalam 9 hari
5.0
5.0

Hi, I am a full-stack web and mobile developer with 8 years of rich experience with a background in React, Flutter, SQL, REST API, and web development. For this project, the most important part is building a clean and scalable backend that keeps tasks and notes synced reliably across web and mobile. I can develop a modern web app with structured API, secure authentication, and then extend the same logic into a Flutter app with real-time data sync and clear documentation. I'm an individual freelancer and can work on any time zone you want. Please contact me with the best time for you to have a quick chat. Looking forward to discussing more details. Thanks. Emile.
$250 USD dalam 7 hari
4.6
4.6

Hello, I specialize in developing AI automation and workflow systems, particularly in Flutter technology. With a proven track record in creating end-to-end solutions and API integrations, I am well-equipped to deliver a high-quality unified productivity platform. I am excited to collaborate with you on this project and contribute to its success. Looking forward to your response. Thanks and regards.
$550 USD dalam 14 hari
4.9
4.9

Hi, With my extensive background in both web and mobile app development, perfectly combined with your project's requirements for a reliable SQL integration, I believe I am the perfect fit for your productivity platform. Having successfully delivered numerous mission-critical projects in demanding environments over the past decade and a half, I have sharpened my skills to provide clean, comprehensive coding practices that ensure robust solutions, just as you've requested. One of my key proficiencies lies in building responsive and modern UIs using frameworks such as React and Vue - precisely what you need for an intuitive, user-friendly interface. Moreover, my expert grasp of secure authentication and role-based access will prove invaluable for your platform's safety. Rest assured, I will deploy RESTful or GraphQL API layers to maintain seamless communication between the web app and the Flutter mobile app, ensuring real-time synchronization. Lastly, my proficiency in SQL and database management is well-attested through my past works. I can assure you a reliable, efficient structure that will keep your data safe yet easily accessible. To top it off, my consistent adherence to thorough documentation will ensure that you are well-equipped with all the information required to reproduce the setup either locally or on your chosen cloud host. Let's discuss timelines and milestones - looking forward to partnering with you!
$500 USD dalam 7 hari
4.5
4.5

***** Unified Productivity Web & Mobile App Development ***** Hello, How are you? I checked your JOB POST and I understood the complete scope of the work. You want a fully functional web application with task management and rich-text note-taking, connected to a reliable SQL backend, followed by a companion Flutter mobile app that mirrors the same functionality with real-time data sync. Web Application: Task Management: Create, edit, prioritize, and mark tasks complete Note-Taking: Rich-text notes that can be linked to tasks Responsive, modern UI built with React (or Vue, depending on preference) Secure authentication and role-based access Flutter Mobile App: Mirror all web functionality Real-time data sync via shared SQL backend or recommended scalable alternative Secure login and task/note management on the go Lets Connect... Thanks
$500 USD dalam 7 hari
4.7
4.7

Hello, I went through your project description and it seems like that I am a great fit for this job. I have an expert team with many years of experience in Mobile App Development, SQL, Web Development, Documentation, Vue.js, RESTful API, Flutter, GraphQL. Please come over chat and discuss your requirement in a detailed way. Regards
$500 USD dalam 7 hari
4.4
4.4

Hey Mate , Good evening! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Web Development, RESTful API, GraphQL, Documentation, Flutter, Mobile App Development, Vue.js and SQL. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thanks for giving opportunity
$555 USD dalam 6 hari
4.4
4.4

Hi there, Strong alignment with this project comes from experience building web + Flutter productivity platforms with shared backends and real-time synchronization. Clear understanding of the requirement to develop a web-first app with task management, note-taking, and extend the same functionality to mobile via APIs. A structured approach includes designing a scalable SQL schema, building clean REST/GraphQL APIs, developing a responsive web UI, and integrating Flutter with consistent state handling. Risk is minimized through proper data modeling, secure authentication, and ensuring seamless sync across web and mobile. Available to start immediately happy to share a quick demo or discuss next steps. Recent work: https://www.freelancer.com/u/chiragardeshna Regards Chirag
$250 USD dalam 7 hari
4.4
4.4

Hello, I’m a full-stack developer focused on building scalable productivity tools. I come from a background delivering web apps with clean architecture, solid data models, and reliable deployments. I specialize in Vue/React for frontend, Node/GraphQL REST APIs, and robust SQL backends with strong docs. In past projects, I built a web task and note system with rich-text notes linked to tasks, real-time sync via a scalable SQL or managed DB, and role-based auth. The stack used ensures clean components, testable services, and clear API contracts for Flutter integration later. I can deliver the web MVP now with responsive UI, authentication, and API layer, then port to Flutter with shared data models and synchronized sync. I’ll provide deployment scripts and documentation. Best regards, Billy Bryan
$450 USD dalam 3 hari
3.7
3.7

Hello, I’ve carefully reviewed your project Web & Flutter Productivity Platform and it’s something I can confidently handle. I’m a professional developer with strong experience in Web Development, Mobile App Development, SQL, Flutter, Vue.js, Documentation, GraphQL and RESTful API, delivering reliable and high-quality solutions with clean code and efficient performance. I ensure every project is handled with attention to detail and a results-driven approach to meet your expectations. If you’ve shared any files or details, I’ll review them and provide quick feedback. Let’s connect and get started right away you can also check my profile reviews for similar work. Regards, Mahad Sheikh
$250 USD dalam 2 hari
3.7
3.7

Hi, I am a Flutter developer with 8 years of experience building mobile and web-connected applications. I can develop your productivity platform with web app (tasks, notes, SQL backend, API layer) and a Flutter mobile app synced in real time. I focus on clean architecture, secure authentication, REST/GraphQL APIs, and scalable database structure. I can handle full development, documentation, deployment setup, and share timeline and milestones after discussing the project.
$600 USD dalam 25 hari
3.8
3.8

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