
Closed
Posted
Paid on delivery
Description: I am looking for a highly skilled Mobile App Developer (Flutter or React Native) to build a sophisticated closed-community platform. Status: I have the UI designs in Figma. I need a developer who can implement them but also polish the UX (add animations, micro-interactions) to create a premium feel. Who I am looking for (READ CAREFULLY): I am NOT looking for a task-completer who just wants to finish the job quickly for money. I need a partner who shows genuine enthusiasm for the project. You must be able to think critically, suggest improvements, and care about the end product as much as I do. Fluent English is mandatory. We will have voice calls, and communication must be flawless. Confidentiality: This is a stealth project. The specific target audience will be revealed after signing an NDA. Key Features / Scope: Strict Privacy (German DSGVO/GDPR): The app targets the German/European market first. Strict adherence to data privacy laws and secure server architecture (EU-based) is non-negotiable. Multi-Language Support (Localization): The app structure must support dynamic language switching within the settings. Required Languages: German, English, French, Spanish. Restricted Access: Whitelist-based registration (Domain check). Smart Dashboard: Overview of stats, daily tasks, and a "My Network" list (Friends) directly visible on the home screen. Document Repository: System to upload, categorize, and view files (PDFs, Images) within groups. Advanced Calendar & Events: Full calendar integration. Create events, invite friends/groups, manage RSVPs. Gamified Challenge Logic ("The Battle"): A competitive feature where users/groups compare activity stats in real-time. Leaderboards and scoring logic. Communication: Real-time Messenger (Chat) & Group Messaging. Native Widgets: Home screen widgets for iOS/Android for quick view of Calendar/To-Dos. More Features: Additional unique logic features will be discussed in detail during the interview phase. Requirements: Personality: Passionate, communicative, and detail-oriented. Tech: Flutter/React Native, Firebase/AWS (EU Zones), API Integration, Matching algorithm Experience: Proven track record with GDPR compliance and App Localization (i18n). How to apply: To prove you read this and you are not a bot/agency just copy-pasting: Start your bid with the word: "PASSION". Tell me briefly about a project where you improved the design/UX because you cared about the result.
Project ID: 40180463
208 proposals
Remote project
Active 3 mos ago
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208 freelancers are bidding on average $1,368 USD for this job

Hello, I’m genuinely excited to partner on your closed‑community app with GDPR compliance, EU data hosting, and multilingual support. From Figma to a polished Flutter or React Native app, I will translate the designs into a scalable, secure product with micro‑interactions and a premium UX. I will implement strict access control (domain whitelist), dynamic i18n for German, English, French, and Spanish, and ensure seamless language switching. The architecture will use EU‑based hosting (Firebase/AWS), robust privacy, API integrations, and a scalable backend. Core features—Smart Dashboard, My Network, Document Repository, Advanced Calendar & Events, Real‑time Messenger, Native Home Widgets—and the gamified Battle with live leaderboards will be delivered with pixel‑perfect UI and smooth interactions. I’ll pursue NDA readiness, proactive design reviews, and thoughtful enhancements beyond basic implementation, delivering GPT5‑level polish. What are your exact data residency and compliance expectations beyond GDPR? Do you have a preferred cloud stack (Firebase vs AWS) and any integration with existing systems or authentication providers (OIDC, SSO)? How many users and groups do you anticipate in the initial rollout, and any peak concurrency targets for real‑time features (chat, battles, leaderboards)? Are there any must‑have accessibility requirements or specific i18n needs (date formats, RTL support, etc.)? What is your NDA timeline and availability for weekly voice calls and de
$1,600 USD in 14 days
9.4
9.4

Hi cancxc I’m your web developer, ready to turn your project Closed-Community Collaboration App Development -- 2 into reality! I’d love to discuss the details and create something amazing together. Feel free to message me anytime, and we can also hop on a quick video or audio call whenever it's convenient for you. I’ve developed many projects exactly like what you’re looking for. If you want to see more relevant samples, just contact me through the chatbox, and I’ll share them instantly. ★ Why Clients Trust Me 500+ successful web projects delivered 430+ positive client reviews Expert in PHP, Mobile App Development, iPhone, Android, German Translator, API, Full Stack Development, React Native, Flutter, Chatbot WordPress, Shopify, PHP, JavaScript, HTML, CSS, Plugin/Theme Development, Laravel, WebApp Clean, modern, responsive and SEO-optimized designs Fast delivery, great communication, and long-term support Available during EST hours for smooth collaboration If you want a professional developer who delivers quality work on time and stress-free, let’s connect. I’m excited to help build something amazing for you. Best regards, Kausar Parveen
$1,300 USD in 10 days
8.3
8.3

PASSION I’m a senior mobile developer with 10+ years of experience building privacy-focused, high-polish apps using Flutter and React Native, and I strongly prefer projects where product quality actually matters. This one clearly does. A relevant example: on a closed professional community app for the EU market, I was given finished Figma designs but felt the UX was too static for daily engagement. I proactively added micro-interactions, subtle haptics, animated state transitions, and empty-state storytelling, which significantly improved retention. None of this was requested — it came from caring about how the product feels, not just how it works. I’m very comfortable with GDPR/DSGVO-first architecture, EU-hosted infrastructure (Firebase EU / AWS Frankfurt), i18n with live language switching, real-time chat, calendars, gamified logic, and secure access controls. I communicate clearly in fluent English, enjoy critical product discussions, and work best as a long-term partner rather than a task executor. I’m happy to sign an NDA and discuss how to elevate your existing designs into a truly premium experience. Looking forward to speaking.
$1,250 USD in 7 days
8.4
8.4

PASSION I read your description carefully, and this is exactly the kind of project I look for: one where the goal isn’t just to “ship an app,” but to build something refined, private, and meaningful. I’m not interested in rushing through tasks—I care deeply about product quality, UX details, and long-term maintainability, and I enjoy challenging ideas when it leads to a better end result. I work with Flutter and React Native and have delivered closed-community and productivity-focused platforms where privacy, performance, and polish were critical. I’m very comfortable taking Figma designs and not only implementing them accurately, but elevating them with thoughtful animations, micro-interactions, and subtle transitions that create a premium, calm, and confident feel rather than visual noise. I actively think about user flow, friction points, and emotional response, not just screens. One example that fits your request: on a previous private community app, the initial designs were functional but flat. I reworked interaction states, added motion to dashboard stats, refined onboarding feedback, and redesigned parts of the navigation logic to reduce cognitive load. The result was a noticeably higher engagement rate and very positive feedback from users who described the app as “smooth” and “well thought out.” These improvements weren’t requested explicitly—they came from caring about how the product would feel in daily use.
$1,500 USD in 28 days
8.1
8.1

PASSION Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT — I bring 11+ years of proven experience building privacy-first, premium mobile apps and I clearly understand what you’re looking for in a true product partner, not a task-runner. The goal is to deliver a secure, scalable, closed-community app with polished UX, thoughtful micro-interactions, and strict GDPR compliance for the EU market. -->> Whitelist-based access, multi-language i18n (DE/EN/FR/ES) -->> Real-time chat, groups, events & document repository -->> Gamified challenges, dashboards & native widgets I work with clean architecture, EU-based infrastructure, secure APIs, refined animations, and an iterative, detail-driven workflow. Happy to share a past project where I actively improved UX beyond Figma because I cared about the outcome—let’s connect in chat and take this further.
$900 USD in 7 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 community collaboration 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
$900 USD in 24 days
8.0
8.0

Hi there, We’ve developed several social networking apps, including a community-driven platform for connecting local businesses with users. We understand the importance of creating a product that users genuinely love, rather than just delivering a basic MVP. With our extensive experience in both Flutter and React Native, we can choose the best framework for your specific needs. We also have strong expertise in backend technologies like Node.js and Python, ensuring that we can deliver a fully optimized solution. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. Best, Adil
$990 USD in 21 days
7.6
7.6

PASSION ... Hi, I’m interested in learning more about your project. I’d start by carefully reviewing your Figma designs and understanding the product vision, then translate them into a polished Flutter/React Native build with refined UX, smooth animations, and thoughtful micro-interactions. With a clear roadmap covering privacy, localization, and core features, the first production-ready version can be delivered in structured phases without compromising quality. If you award me this project, I’d be happy to discuss it further and get started right away. Short Development → Deployment Road-Map: • NDA, requirement deep-dive, and Figma/UX review • App architecture setup (Flutter/React Native + EU-based backend) • Core features: restricted auth, dashboard, chat, calendar, documents • Advanced modules: gamification, widgets, localization (DE/EN/FR/ES) • GDPR validation, testing, polish, and release preparation I’m also interested in a long-term collaboration and future enhancements. For better feature understanding and accurate estimation, reviewing reference apps or similar platforms and discussing the finer UX and logic details together would be ideal—can we connect on chat to go deeper? Best regards, Prakash.S
$1,299 USD in 7 days
7.8
7.8

"PASSION". Hello, I'm Mayank! Your project title and description have thoroughly caught my attention, as they deeply resonate with my core values. With over 12 years in website and mobile app development, I've gathered extensive Full-stack knowledge to handle the complexity of your Closed-Community Collaboration App. My expertise in frontend tools like React Native and web/data protection compliance aligns perfectly with your need for GDPR compliance and secure server architecture. Additionally, fluid communication is paramount for effective collaboration; offering privacy, multi-language support, and native widgets will bring cohesiveness to our interaction. As an AI enthusiast specializing in chatbot development, I truly understand the nitty gritty that stems from a single detail going amiss. To guarantee seamless workflow and transparency unsere Projektarbeit voranzutreiben, I commit to daily communication and updates along with ongoing support to cater to any post-delivery needs you may have. Let's make this project worthy of your vision!
$1,250 USD in 7 days
7.5
7.5

Hi there What stands out to me is that you’re not looking for someone to “implement screens,” but for a partner who genuinely cares about the end product. That mindset is exactly how I work. A closed-community app like this succeeds or fails on UX details, trust, and polish—not just features. I’ll implement your Figma designs accurately in Flutter or React Native, but I won’t stop there. I actively refine transitions, micro-interactions, and feedback states so the app feels calm, premium, and intentional. On a past product, I reworked navigation flow and subtle animations mid-build because the original design technically worked—but didn’t feel right. That extra care noticeably improved engagement and retention. On the technical side, I’m comfortable building GDPR-first architectures using EU-based Firebase/AWS, handling localization (DE/EN/FR/ES), whitelist-based access, real-time chat, events, and competitive logic cleanly. I communicate clearly, enjoy critical discussion, and treat stealth projects with discipline. Once scope details are aligned, I’ll confirm an exact timeline and budget before execution.
$1,250 USD in 7 days
7.0
7.0

"PASSION" Hello! As per your project post, you are looking to build a closed-community mobile app with a focus on privacy, gamification, and advanced collaboration features. The goal is to create a polished, premium-feel platform for a German/European audience with strict GDPR compliance, multi-language support, dynamic dashboards, event management, document sharing, real-time messaging, and gamified challenges, all wrapped in a responsive and highly interactive mobile experience. My focus will be on delivering a secure, performant Flutter or React Native application that mirrors your Figma designs while enhancing UX with animations, micro-interactions, and smooth workflows. The platform will include EU-based hosting, whitelist registration, home screen widgets, leaderboards, calendar integration, and a flexible localization framework. Real-time communication, gamified logic. I specialize in building high-quality mobile apps that balance functionality, security, and polished UX. My focus will be on GDPR-compliant architecture, scalable real-time features, and a fully localized experience that supports multiple languages and a dynamic user network. Let’s connect to align on NDA, feature prioritization, and platform architecture so we can deliver a secure, engaging closed-community app that scales efficiently and maintains a premium UX. Best regards, Nikita Gupta.
$1,000 USD in 28 days
6.8
6.8

"PASSION". I assure you, as someone whose passion for creating exceptional digital experiences aligns perfectly with your vision, I am the ideal choice for your closed-community collaboration app. With over a decade in web and mobile app development, I have strong expertise in both Flutter and React Native and I'm well-versed in developing in multiple languages for localization purposes as well. This includes key languages like German, English, French, and Spanish which is tailor-suited to your target market. Notably, I have a proven track record of understanding and adhering to data privacy laws such as the german DSGVO/GDPR that are non-negotiable for this mission. This is why my works always satisfy both the functional and legal requirements. Additionally, my ability to integrate APIs efficiently will ensure your app has all the required features e.g. database document repository integrating functionalities, and matching algorithm etc. Moreover, my focus on constant communication and penchant for suggesting improvements is just what you're looking for in a collaborator. With me by your side, this project won't just be another job completion; it'll be a passionate creation that we both believe in. Lets Chat.
$1,500 USD in 15 days
6.9
6.9

Hello, I hope you are doing well. I understand that you are looking to build a CLOSED COMMUNITY COLLABORATION MOBILE APPLICATION and I would be happy to help. I have extensive experience in designing and developing Application and have successfully delivered many projects. What I offer: -Development using the latest technologies -Daily project updates and clear communication -On-time delivery within the agreed timeline -Complete source code provided after project completion -One year of support for the developed work -10+ years of experience in web and app development -Fully responsive, fast-loading, and SEO-friendly design -A powerful super admin panel to manage the entire system Please feel free to initiate a chat so we can discuss your requirements in detail. Thank you and regards, Dheeraj K.
$1,000 USD in 15 days
7.2
7.2

Hi there, I’m excited to take on the development of your closed-community collaboration app! With extensive experience as a top California freelancer, I have successfully completed numerous projects and received 5-star reviews for my attention to detail and commitment to delivering premium quality. Your focus on both the UI from Figma and enhancing the UX through animations aligns perfectly with my expertise. I believe that a truly successful app integrates thoughtful design with seamless functionality. I am not just a developer; I’m a partner ready to discuss improvements and ensure the end product exceeds your expectations. I understand the importance of privacy, especially for a German/European market, and I have a proven track record in GDPR compliance and localization. I can ensure your app is engaging, user-friendly, and packed with unique features that resonate with your audience. Please feel free to message me right away so we can discuss the next steps and any specific functionalities you envision for the app. Could you share more about the specific types of interactions or animations you envision for the app?
$1,530 USD in 8 days
6.3
6.3

PASSION Hello cancxc, I am an experienced mobile developer specializing in Flutter and React Native with a strong track record building GDPR-compliant apps, and in a recent project I redesigned onboarding and added micro-interactions and refined animations that notably increased retention and user satisfaction. I will implement your Figma designs with polished UX, using Flutter (or React Native if you prefer), EU-hosted Firebase/AWS, dynamic i18n for German/English/French/Spanish, whitelist-based registration, real-time chat, calendar/events, document repository, home widgets, and the gamified "Battle" logic with secure server architecture and leaderboards. Why We Work Together: - You get a passionate partner who cares about product quality. - Proven GDPR-first architecture and EU hosting experience. - Focus on polished UX, animations, and long-term collaboration. Best regards, Sherman
$1,250 USD in 7 days
6.4
6.4

PASSION Hi there I can build your closed-community mobile app in Flutter or React Native using your Figma designs, while polishing UX with animations and micro-interactions for a premium feel. I’m used to thinking beyond tasks, suggesting improvements, and caring deeply about the final product, not just shipping fast. I have experience with GDPR-compliant apps (EU servers), localization (DE, EN, FR, ES), restricted access, real-time chat, calendars, and gamified logic. On a past project, I improved UX flows and interactions because the design felt flat, and the client later said users stayed longer and engaged more. Regards Vijay
$950 USD in 7 days
6.1
6.1

Hi, PASSION: In my previous project, I worked on an educational app for children. The client was satisfied with the initial design but felt it lacked engagement. I suggested integrating more animations and interactive elements to enhance user interaction and retention. We added micro-interactions like subtle animations when a child completes a task or receives a reward. These changes significantly improved user satisfaction and engagement metrics. I am Reed, an experienced developer with over a decade of experience in the field. My skills align perfectly with your project requirements, particularly in Flutter/React Native, Firebase/AWS (EU Zones), API integration, and GDPR compliance. I am excited about bringing your vision to life while ensuring a premium user experience through thoughtful design choices. You can check my portfolio on my profile for references.
$1,300 USD in 25 days
6.3
6.3

PASSION — I specialize in building premium closed-community mobile apps using Flutter with a strong focus on GDPR-compliant EU architectures, polished UX, and scalable feature design. I will translate your Figma designs into pixel-perfect screens while enhancing them with micro-interactions, motion design, and native-feeling animations to elevate the overall experience. The app will be architected with clean domain separation, supporting dynamic i18n, whitelist-based onboarding, and secure authentication flows. For backend services, I propose Firebase or AWS (EU regions only) with encrypted storage, role-based access control, and audit-friendly data handling to meet DSGVO requirements. Real-time features such as chat, events, dashboards, and competitive challenges will be implemented using scalable pub/sub and WebSocket-based logic. Document management will include structured metadata, permission layers, and optimized preview rendering for PDFs and images. Native iOS and Android widgets will surface calendar and task data with secure background sync. I actively challenge UX decisions when needed, suggest improvements, and treat this as a long-term product partnership rather than a delivery-only contract. Regards, Justin.
$1,250 USD in 7 days
6.2
6.2

Greetings! I’m a top-rated freelancer with 16+ years of experience and a portfolio of 750+ satisfied clients. I specialize in delivering high-quality, professional community collaboration app development services tailored to your unique needs. Please feel free to message me to discuss your project and review my portfolio. I’d love to help bring your ideas to life! Looking forward to collaborating with you! Best regards, Revival
$900 USD in 30 days
6.1
6.1

PASSION Hello There!!! ⚜⭐⭐⭐⭐⚜(( Build a premium, privacy-first closed community app with polished UX ))⚜⭐⭐⭐⭐⚜ What stood out to me is that this is not just an implementation job. You already have Figma designs and you want a partner who cares about the experience, the details, and the long-term quality. That mindset matches how I approach products. The core concept is a secure, invite-only community platform for the European market, where privacy, performance, and emotional engagement all matter. You are looking for someone who can faithfully implement your designs while elevating them through smooth animations, thoughtful micro-interactions, and smart UX decisions. I have delivered cross-platform apps in Flutter and React Native where I actively improved flows, reduced friction, and enhanced visual feedback because the final feel mattered. I have hands-on experience with GDPR-compliant architectures, EU-hosted Firebase and AWS setups, and full app localization. Three key features I would focus on first: 1. Whitelist-based onboarding with secure authentication and localization 2. Real-time chat, events, and dashboard with smooth state transitions 3. Gamified challenge logic with live updates and fair scoring I would love to discuss your vision, sign the NDA, and explore how we can make this feel truly premium. Warm Regards, Farhin B.
$900 USD in 15 days
6.7
6.7

Langen, Germany
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