
In Progress
Posted
Paid on delivery
I’m building a mobile application that helps professionals discover and connect with potential colleagues. The app must run natively on both iOS and Android, so a cross-platform approach such as Flutter, React Native or Kotlin Multiplatform makes sense, but I’m open to your expert recommendation as long as the final result is smooth on each store. Core experience Users should be able to create rich profiles with photos, short bios and work-related details. From there, other members need to search and filter those profiles by role, location or skill set, then start a private conversation. Real-time or near real-time messaging is essential, and I want push notifications to alert users whenever they receive a new message or a relevant match. Key deliverables • iOS and Android builds ready for App Store / Play submission • Profile module with secure sign-up, edit and delete flows • Powerful search & filter that returns results quickly even with a large dataset • In-app messaging (text, emojis, basic file/photo share) • Push notifications for new messages and match alerts • Clean, well-documented code plus a brief handover guide If you have previous work that shows profile management, search or chat features, please share it when you reply. I’m ready to move fast once we agree on the technical stack and timeline.
Project ID: 40449469
120 proposals
Remote project
Active 6 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
120 freelancers are bidding on average $504 USD for this job

Hi - Elias here from Miami. The main challenge in building a colleague finder app is efficiently matching users based on professional criteria while ensuring scalability and responsiveness. A naive implementation can lead to slow database queries and a poor user experience during peak usage. Common pitfalls include tightly coupled systems that fail under load, inadequate indexing strategies, and insufficient handling of user data privacy, which can introduce security vulnerabilities. These architectural mistakes can severely impact performance and reliability. I propose a microservices architecture that separates the matching logic from the user interface, allowing for independent scaling of the recommendation engine and mobile front-end. This will improve response times and enhance security through robust database management. The implementation flow would be: Input (user profiles) → Processing (matching algorithm) → Output (suggested connections). We should also consider data lifecycle management to ensure compliance with privacy regulations. A critical decision to address early is how to balance real-time recommendations with batch processing as user numbers grow. What specific features do you envision for the matching algorithm, and how do you prioritize user privacy? Looking forward to discussing this further.
$500 USD in 5 days
8.2
8.2

Hello, >>>> Multi languages (English and Arabic)Left-To-Right (LTR) and Right-To-Left (RTL) <<<< I carefully reviewed your requirements for the Colleague Finder mobile app and fully understand the core goal of building a smooth, scalable, and real-time networking platform for professionals. I have 11+ years of full-stack and mobile app development experience, I have strong expertise in Flutter and React Native, along with backend systems for real-time chat, search optimization, and push notification services. I can deliver a production-ready cross-platform application that performs reliably on both iOS and Android. I can build: • Secure user registration and rich profile management system • Advanced search and filtering by role, skills, and location • Real-time or near real-time chat system (text, emojis, media sharing) • Push notifications for messages and match alerts • Scalable backend architecture for large user datasets • Clean, maintainable code with proper documentation • App Store and Google Play deployment support I focus on performance, UX smoothness, and scalability to ensure fast search results and stable real-time communication even under high user load. I can also recommend the best tech stack based on your long-term scaling needs. I am ready to start immediately and would be happy to discuss timeline, milestones, and technical architecture in detail. Thanks, Christina
$300 USD in 16 days
8.4
8.4

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 colleague finder 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
$250 USD in 14 days
8.0
8.0

Hello, I am highly interested in your project to develop a Colleague Finder Mobile App. I understand the requirements for a cross-platform app that runs smoothly on both iOS and Android, utilizing technologies like Flutter, React Native, or Kotlin Multiplatform. With expertise in Flutter, iOS Development, Android, and React Native, I am confident in delivering the desired functionalities seamlessly. I plan to create rich user profiles, robust search and filter options, real-time messaging, and push notifications for optimal user experience. My portfolio includes similar projects showcasing profile management, search, and chat features. I look forward to discussing the technical details further. - MY WORK STATS: ✨ https://www.freelancer.com/u/XanvraTECH Best regards, Warda Haider
$250 USD in 4 days
6.9
6.9

Hi, We can build your professional networking app for both iOS and Android with a strong focus on profiles, fast search, and real-time messaging. We’d recommend Flutter + Node.js for a scalable cross-platform setup with smooth performance on both stores. Includes: User profiles with photos, bios, and work details Fast search & filtering (role, location, skills) Real-time private chat + media sharing Push notifications for messages and matches Secure auth/profile management App Store + Play Store ready builds We’ve worked on apps involving chat systems, profile management, and real-time features, and can provide clean, scalable code with documentation and handover. Regards Interconnect Team
$500 USD in 7 days
6.8
6.8

⭐⭐⭐⭐⭐ CnELIndia proposal for Colleague Finder Mobile App. We recommend Flutter for efficient cross-platform native performance on iOS and Android, paired with Firebase for secure auth, real-time messaging, database, and push notifications. Will deliver rich profiles with photos, bios, work details plus secure sign-up/edit/delete flows. Implement fast search/filter by role, location, skills and real-time in-app messaging with text, emojis, file/photo share. Add push notifications for new messages and match alerts. Provide store-ready iOS/Android builds, clean documented code, and handover guide. Our prior apps showcase strong profile, search, and chat modules. CnELIndia support steps: 1. Requirements workshop and UI/UX design. 2. Agile development with weekly demos. 3. Full QA/testing. 4. App store submission and training. 5. Post-launch maintenance. Ready to align on timeline and proceed quickly.
$500 USD in 7 days
7.1
7.1

Hello, I will develop your COLLEAGUE FINDER 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
$250 USD in 22 days
6.6
6.6

Hello, I understand that you are looking to develop a mobile app for professionals to connect with potential colleagues. I propose using a cross-platform approach such as Flutter, React Native, or Kotlin Multiplatform to ensure a smooth experience on both iOS and Android platforms. With expertise in Mobile App Development, Android, Objective C, iOS Development, Flutter, Kotlin, React Native, and iPhone, I am confident in delivering the core features you require, including rich user profiles, advanced search and filter options, real-time messaging, and push notifications. Please find examples of my previous work in profile management, search, and chat features in my portfolio. I am committed to effective communication and timely delivery throughout the project. Best regards, Curveball Solutions
$250 USD in 2 days
6.4
6.4

Hi, A connector-style app where discovery is everything: the search & filter has to feel instant even with thousands of profiles, or users churn on day one. I'd lean Flutter over React Native for this — tighter native feel on both stores from a single codebase. Stack I'd propose: - Flutter with Riverpod for state - Firebase Auth + Firestore (or Supabase if you want SQL reporting later) - Algolia for search & filter (role, location, skills, sub-100ms at scale) - Stream Chat or Firebase RTDB for in-app messaging with photo share - FCM + APNs for push notifications on new messages and match alerts I've been shipping Flutter and React Native apps since 2017, including ones with profile management and real-time chat flows. Happy to send build links in DM so you can poke at them on your own device. One question: should match alerts be algorithmic (shared skills + nearby location) or manual (user A sends a connect request)? It changes the backend shape meaningfully, and it's worth nailing before we touch code. Asif
$750 USD in 5 days
6.4
6.4

Hi, professionals won’t stay if profile search is slow or messaging feels unreliable. I can build this as a polished cross-platform app with fast discovery, secure profiles, real-time chat, and store-ready iOS/Android releases. Recommended stack Flutter for smooth iOS/Android UI from one codebase Firebase / Supabase for auth, database, storage, chat, and push notifications Indexed search/filtering for role, location, and skills What I’ll deliver Secure signup/login profile. create/edit/delete. Rich profiles with photos, bio, role, location, skills. Fast search + filters for large datasets. Private chat with text, emojis, and photo/file sharing. Push notifications for messages and match alerts. TestFlight + Play-ready builds. Clean source code + short handover guide I’ve worked on apps with profile management, real-time chat, search filters, and push notifications, and can share relevant examples before we finalize the stack and timeline. I am open for interview. Thanks
$500 USD in 7 days
6.2
6.2

Hi, I'm excited to propose for your project to build a mobile application connecting professionals. With over a decade in development, I have the skills and experience necessary to deliver this app smoothly across iOS and Android. The core of the app will allow users to create rich profiles with photos and detailed information. Other users can search by role, location, or skill set, then engage in real-time messaging through an intuitive interface. Push notifications will keep users informed about new messages and matches. Key features include: - Native iOS and Android apps ready for App Store/Play submission - Secure user sign-up, profile management, and editing flows - Fast and powerful search & filter functionality with a large dataset - In-app messaging including text, emojis, file/photo sharing - Push notifications for new messages and match alerts - Clean, well-documented code plus handover guidance You can view my portfolio here: https://www.freelancer.com/u/reedsystems I'm looking forward to bringing this project to life quickly. Let's discuss the technical stack and timeline further. Best, Reed
$550 USD in 10 days
5.9
5.9

Hello Client, Greeting of the day!!!! I read your job description. I can do this job with quality product. I am always available for your support. Thanks
$350 USD in 2 days
6.7
6.7

Hi, We’ve developed similar apps that connect users based on shared interests, including a professional networking platform for doctors. We understand the importance of creating a seamless experience for both sides, ensuring that users can easily find and connect with relevant profiles. For your project, I recommend using Flutter for its cost-effectiveness and efficiency in delivering a high-quality product. We can also enhance the app with features like AI-driven profile matching and advanced search filters, which can significantly improve user engagement. Let’s schedule a 10-minute introductory call to discuss your project in more detail and finalize the tech stack. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil
$510.34 USD in 7 days
5.9
5.9

Hello, My name is Manish, and I lead a skilled mobile app development team with 10+ years of experience in building cross-platform iOS and Android applications. We can build your professional networking app with secure signup, rich profiles, photo uploads, search/filter by role, location and skills, real-time messaging, file/photo sharing, and push notifications for messages and matches. We can use Flutter or React Native with a scalable backend to ensure smooth performance, clean code, and App Store/Play Store-ready builds. We have worked on similar profile, search, and chat-based apps before and can share relevant examples during discussion. Thanks.
$500 USD in 30 days
6.5
6.5

As a seasoned Full Stack Developer with a strong focus on mobile app development using Flutter and React Native, I believe I could be the perfect fit for your Colleague Finder project. Having successfully created and deployed over 30 mobile apps, including cross-platform functionality, I have honed my skills in ensuring a smooth experience for users on both iOS and Android platforms. In line with your core needs for this project, I have extensive experience in developing profile management features, powerful search and filter functions, as well as real-time messaging systems that incorporate push notifications - exactly what you're looking for! My past projects such as Victoria UAE Real Estate and IVI Cryptos embody these specs excellently. This level of proficiency will translate into the high-quality, efficient builds you seek.
$500 USD in 7 days
6.3
6.3

Hello, I can build your Colleague Finder app for iOS & Android using Flutter for smooth cross-platform performance and scalability. The app will include secure profiles, advanced search/filtering, real-time messaging, file/photo sharing, and push notifications with a clean and professional UI. I have experience with chat systems, profile-based apps, and scalable backend integration, and I’ll provide well-documented code plus deployment-ready builds. Ready to discuss timeline and architecture..
$350 USD in 7 days
5.6
5.6

Building a two-sided professional networking app like this usually comes down to keeping profiles, discovery, and chat tightly in sync without lag or inconsistency. I’d lean toward React Native here so you get one codebase but still native-feeling screens on iOS and Android. First I’d build auth and profile flows—secure sign-up, editable profile schema, image handling, and soft delete so nothing breaks search history. Then I’d set up a structured backend with indexed profile fields so filtering by role, location, and skills stays fast even as data grows. For messaging, I’d use a realtime layer for delivery plus background sync to avoid missed messages, with push notifications wired through FCM/APNs for both chat and match events. Edge cases like duplicate notifications, offline sends, and stale search results get handled early so the UX doesn’t degrade under scale. One improvement I add ranking based on interaction signals most relevant profiles naturally float up instead of being purely static search results.
$500 USD in 7 days
5.1
5.1

Hi, I’ve thoroughly reviewed your Colleague Finder Mobile App concept and am confident in delivering a seamless, high-performance cross-platform solution. With extensive experience in React Native and Flutter, I've built apps featuring complex profile management, real-time search filters, and robust chat systems with push notifications. I'll ensure secure profile creation, dynamic filtering optimized for large datasets, and instant messaging with file sharing, all wrapped in a smooth user experience on both iOS and Android stores. I recommend React Native for balanced performance and rapid development, but I’m happy to discuss the best tech stack based on your priorities. Let’s talk timelines and next steps to kick off the project smoothly. Which cross-platform features matter most to you to prioritize in the development process? Best regards,
$555 USD in 13 days
5.2
5.2

Hello, I can build your cross-platform professional networking app with smooth iOS/Android performance, rich profiles, fast search, messaging, and push notifications. I’ll deliver: -Flutter or React Native app architecture recommendation -Secure signup/login with profile create, edit, and delete flows -Rich profile module with photos, bio, role, location, and skills -Fast search and filtering by role, location, and skill set -Real-time private messaging with text, emojis, and basic media sharing -Push notifications for new messages and relevant matches -App Store / Play Store ready builds -Clean source code, documentation, and handover guide I have experience building mobile apps with profiles, search, chat, notifications, and scalable backend integrations. Ready to define the stack and timeline.
$250 USD in 1 day
5.2
5.2

Hi, I have 8 years of experience building scalable mobile and web applications with real-time messaging, push notifications, search systems, and modern UI/UX. For this project, I would recommend React Native with a scalable backend using Firebase for fast profile discovery, secure messaging, and real-time notifications. I can help build a clean, production-ready platform with profile management, advanced filtering, private messaging, push alerts. As I already worked on dating style apps, so i`ll handle this app perfectly.
$750 USD in 30 days
5.1
5.1

Kuwait City, Kuwait
Payment method verified
Member since May 17, 2026
₹250000-500000 INR
₹1500-12500 INR
₹1500-12500 INR
₹1500-12500 INR
$3000-5000 USD
$10-30 USD
$250-750 CAD
$15-25 AUD / hour
₹1500-12500 INR
$1500-3000 USD
₹75000-150000 INR
₹12500-37500 INR
$1500-3000 USD
₹75000-150000 INR
$10-30 USD
$250-750 USD
₹37500-75000 INR
$30-250 USD
₹250000-500000 INR
₹100-400 INR / hour