I am looking for an iOS Swift full-stack developer/engineer for a messaging app powered by AI using OpenAI.
✅ Project Status:
✔ The app is already developed, and the frontend is complete.
✔ Backend work is required, including:
• Integration of OpenAI AI
• Gmail API integration
• Firebase/Supabase setup
• OTP authentication using users’ phone numbers
• Admin Panel (Basic Analytics Dashboard) → Track user engagement, messages sent, token usage, and subscription status
(Most backend code is already available.)
✅ Frontend Requirements:
✔ Refine UI Animations – Improve chat bubbles, message transitions, and UI responsiveness.
✔ Add a new tab in the UI (details will be provided).
✔ Implement a dual-tab bar system:
• One for free users
• One for paid users
• When a user upgrades to premium, their tab bar updates automatically.
✔ Ensure Dark Mode & Proper Scaling – The UI should adapt smoothly across all iPhone models.
✔ Fix Minor UI Bugs & Optimize Performance – Identify and resolve any inconsistencies.
• App Icon, logo, splash screens
✅ Monetization & Ads:
✔ There are 8 subscription plans that must be functional via Apple Payment System.
✔ Ads appear in:
• P2P chat list & Group chat list (for free version) → Every 5 conversations.
• FUN tab (Reels section) → Ads will be based on chat conversations (P2P & Group chats).
? Additional Expectations:
✔ Ensure the app is 100% bug-free & ready for App Store submission.
✔ Keep the backend clean, scalable, and well-documented for future updates.
✔ Provide regular updates & progress reports.
⚡ Who Should Apply?
✅ Experienced iOS Developer (Swift, SwiftUI).
✅ Backend Developer (Firebase, API integration, payment processing, OTP authentication).
✅ Familiarity with OpenAI API & AI-powered messaging features is a big plus.
✅ Final Deliverables:
✔ Ensure the app is fully functional, bug-free, and App Store-ready.
✔ The app must pass Apple’s approval without issues.
✔ After testing, you will upload it to the App Store.
? Additional Details:
A detailed breakdown of the frontend and backend tasks will be provided after hiring.
? Budget & Timeline:
• Budget: $850 (Fixed price)
• Timeline: 2-3 weeks max
? Important:
By applying, you agree to the budget. If you do not agree, please do not apply.
? How to Apply:
? Send me a message with:
1️⃣ Examples of iOS apps you built (especially AI/chat-related projects).
2️⃣ Your experience with Firebase, OpenAI API, Apple Pay, & OTP authentication.
What I Will Provide to You:
✔ Frontend code
✔ Most of the backend code
✔ Privacy Policy document
✔ OpenAI API
✔ Gmail API
✔Firebase API
✔ Google AdSense or AdMob
✔ Detailed instructions on what needs to be done although the app is explanatory when you see it.
✔✔✔keys will not be hardcoded, but Google Cloud Secret Manager is used
What You Need to Do:
✔ Polish the frontend and UI.
✔ Integrate backend functionalities.
✔ Ensure every aspect of the app is App Store-ready.
✔ Fix any remaining bugs & optimize performance.
✔ Upload the app to the App Store.
Hello,
As a seasoned developer, I understand the urgency and importance of delivering a high-quality product efficiently. Drawing from my 12+ years of experience as head of a top IT company, I propose my expertise in full stack development and deep knowledge in Swift for your OpenAI-Powered messaging app. My profile reflects extensive competence in backend technologies such as Firebase, API integration including Google AdSense/AdMob, and OTP authentication – all essential elements for this project.
One thing that sets me apart is my familiarity with OpenAI API and AI-powered messaging features, which could prove to be a game-changer for your app. I lead a dynamic team of developers adept at Node.js and Python, this ensures that I can proficiently address your need for backend Swift implementation that integrates with OpenAI seamlessly. Similarly, my experience with Apple Pay and Firebase will ensure smooth handling of your diverse subscription plans while leveraging Gmail API for optimal efficiency and security.
Moreover, my clientele includes projects that demand serious commitment to data privacy like yours. In this regard, let me reassure you that keys will not be hardcoded; instead secured by Google Cloud Secret Manager for enhanced security. Additionally, I am well-equipped to provide detailed insights through an Analytics Dashboard to help you track user engagement, messages sent, token usage, and subscription status.
As an experienced iOS developer with a passion for turning ideas into reality, I'm confident I can meet your project needs and exceed your expectations. Building sleek and intuitive applications that align with clients' visions is one of my strengths, showcased through my 3+ years of experience in the field. Your project's front-end tasks, such as refining UI animations, implementing a dual-tab bar system, and ensuring dark mode and proper scaling fits well within my expertise in Swift, UIKit, CoreData and understanding of iOS UI/UX principles.
Transparency and continuous communication are key in successful project delivery that aligns seamlessly with client requirements. Rest assured that your project will be meticulously developed by me using clean, maintainable, and well-documented code so that future updates can be easily implemented. My goal is not just to deliver bug-free code but an app that satisfies Apple’s standards 100% without issues. If you are seeking a talented iOS developer who passionately invests themselves into every detail of your application’s development process and guarantees App Store-ready delivery - look no further!
I WILL PROVIDE 2 YEAR FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL GIVE YOU ASSISTANCE FROM ZERO TO PUBLISHING ON STORES.
With 11 years of experience in iOS development and backend integration, I am confident in delivering your AI-powered messaging app with full backend functionality.
Scope of Work:
✔ Backend Integration: OpenAI API, Gmail API, Firebase/Supabase, OTP authentication.
✔ Admin Panel: Track user activity, token usage, and subscription status.
✔ Frontend Enhancements: Refine UI animations, implement dual-tab system, fix UI bugs.
✔ Monetization: Apple Pay subscription setup, AdMob/AdSense integration.
✔ Deployment: Ensure App Store approval and optimize performance.
Your app will be fully functional, scalable, and bug-free, ensuring a smooth launch and long-term stability.
Julian
Hello, (( Messaging App Development powered by AI using OpenAI )), I HAVE DONE SIMILAR WORK AND I CAN SHOW YOU.
WHAT I OFFER:
1. UNLIMITED CHANGES UNTIL YOU ARE SATISFIED
2. 1 YEAR FREE SUPPORT AND MAINTENANCE POST LAUNCH
3. FULL SOURCE CODE AFTER COMPLETION
i am available almost the whole day for discussion. I am committed to meeting deadlines and delivering high quality work but more importantly making sure that you are satisfied with the results. Please connect on my chat.
I am a Full-time professional Mobile Application Developer with 6 years of experience in this field. I am confident, I can provide you High-quality Application as per requirement. My expertise of Flutter, React native, java, Kotlin, swift, iOS, API, Real-time tracking system functionalities, and Admin Panel.
I am excited about your project and would like to connect with you in chat to discuss it further. I believe that a detailed conversation will help me understand your specific needs and expectations, allowing me to tailor the solution to perfection. I have successfully delivered numerous projects for clients across diverse domains.
--> Please come on chat box and check my latest work portfolio.
Thanks!
Anurag
⭐⭐⭐⭐⭐ Dear Valuable Client,
CnELIndia and Raman Ladhani can successfully complete your project by leveraging our expertise in Swift, Firebase, OpenAI API, and full-stack development. Here’s our approach:
1️⃣ Backend Integration:
✔ Seamlessly integrate OpenAI API for AI-powered messaging.
✔ Implement Gmail API for email-based functionalities.
✔ Finalize Firebase/Supabase setup, ensuring robust database management.
✔ Complete OTP authentication for secure logins.
✔ Develop an admin panel for analytics and user tracking.
2️⃣ Frontend Enhancements:
✔ Improve UI animations for smooth chat interactions.
✔ Implement the dual-tab system for free and premium users.
✔ Ensure Dark Mode and UI scaling for all iPhone models.
3️⃣ Monetization & Deployment:
✔ Set up 8 Apple Payment subscription plans.
✔ Integrate targeted ads per the project requirements.
✔ Ensure the app is bug-free and App Store-ready.
Looking forward to collaborating!
?
Hello,
I’ll develop a smart messaging app powered by OpenAI, ensuring real-time interactions, AI-driven responses, and a seamless user experience. The app will be fully optimized for performance, security, and scalability.
Questions:
– What specific AI functionalities should be included (e.g., chat summarization, auto-replies, sentiment analysis)?
– Do you have a preferred tech stack for the frontend and backend?
– Will the app require additional features like voice recognition, multilingual support, or API integrations?
I’m confident I can bring your vision to life.
Let’s discuss the specific details in private to ensure everything meets your expectations.
I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/kamran2012.
Looking forward to potentially working together on this project.
Thanks and Best regards,
Kamran.
I've successfully built similar AI-powered chat applications using Swift and serverless architectures, leveraging OpenAI's GPT models for natural language processing and integrating robust real-time communication via WebSockets. My experience includes designing scalable backend systems and crafting intuitive user interfaces for seamless user experiences.
My approach involves a phased development process starting with a robust API integration with OpenAI's models, followed by implementing secure and efficient real-time messaging functionality within the iOS Swift framework. I'll use SwiftUI for the UI, ensuring a modern and performant application, and employ rigorous testing throughout the development cycle for optimal stability and reliability.
Let's discuss your project in detail. Could you share specifics on the desired AI functionalities and the target user base, enabling me to tailor a precise solution and deliver exceptional results?
⭐⭐⭐⭐⭐ iOS Swift Full-Stack Developer for AI Messaging App
❇️ Hi My Friend, I hope you're doing well. I reviewed your project details and see you are looking for an iOS Swift full-stack developer for your AI messaging app. You don't need to look any further; Zohaib is here to help you! My team has completed 50+ similar projects for messaging apps. I will efficiently integrate OpenAI, manage backend setups, and enhance the UI, all within your budget.
➡️ Why Me?
I can easily handle your project as I have 5 years of experience in iOS development and backend integration. My expertise includes Swift, Firebase, and API integration. Additionally, I have a strong grip on user authentication and app monetization strategies.
➡️ Let's have a quick chat to discuss your project in detail. I can show you samples of my previous work, demonstrating my ability to create efficient solutions. Looking forward to discussing this with you!
➡️ Skills & Experience:
✅ iOS Development
✅ Swift & SwiftUI
✅ Firebase Integration
✅ OpenAI API
✅ Gmail API
✅ OTP Authentication
✅ Analytics Dashboard
✅ UI Animation Refinement
✅ App Store Submission
✅ Performance Optimization
✅ User Authentication
✅ Subscription Management
Waiting for your response!
Best Regards,
Zohaib
Hi There,
We are interested in developing your AI-powered messaging app. With expertise in Swift, SwiftUI, Firebase, and OpenAI API, we can seamlessly integrate AI, Gmail API, OTP authentication, and monetization features. Our experience includes AI-based chat apps, payment systems, and scalable backend development. To proceed, we need clarification on UI refinements, ad placement logic, and backend code details. What are your specific expectations for the admin panel analytics? Do you have design preferences for the dual-tab system?
Let’s discuss further to align on all requirements.
Thanks
Hey ,
I just finished reading the job description and I see you are looking for someone experienced in Backend Development, Frontend Development, Swift and Full Stack Development. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions:
1. These are all the requirements? If not, Please share more detailed requirements.
2. Do you currently have anything done for the job or it has to be done from scratch?
3. What is the timeline to get this done?
Why Choose Me?
1. I have done more than 250 major projects.
2. I have not received a single bad feedback since the last 5-6 years.
3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work.
Timings: 9am - 9pm Eastern Time (I work as a full time developer)
I will share with you my recent work in the private chat due to privacy concerns!
Please start the chat to discuss it further.
Regards,
James
With over 7+ years of experience in mobile app development that spans across diverse platforms like Java, Kotlin, Flutter, and React Native, I'm confident in my ability to meet your expectations for this project. I've built several AI-powered applications before, some of which include chat functionalities like the one you desire. I'm highly experienced with Firebase, API integrations (including OpenAI), and Firebase/Supabase setup - exactly what you require for an optimal backend system.
As a mobile developer who pays great attention to UI/UX, your frontend requirements like refining UI animations, ensuring dark mode and proper scaling are right up my alley. I've also dealt with subscription plans on Apple Payment Systems and ad integrations in previous projects, guaranteeing you a smooth monetization process throughout the app. By placing as much significance on bug-free features as you do,i will ensure the backend is clean, scalable, and well-documented.
What sets me apart is not simply my skill set - there are several talented developers out there. Instead, it's my commitment to quality-centric and timely delivery of my projects while remaining accessible and affordable for clients. This 1000 character count does not do justice to what I bring to the table – a myriad of skills wider than described above – but it should give you an idea of how dedicated I can be to providing the timely services you deserve.
Hi There,
Hope you're doing well!
I am excited to submit my proposal for the development of your app for both iOS and Android platforms. With extensive experience in mobile app development and a strong track record of delivering high-quality applications. We have 7+ years in the IT industry in which I have gotten a chance to work on Mobile Applications (ReactNative, Hybrid, Flutter, Xamarin) with JS technologies like VueJS, AngularJS, ReactJS, NodeJS, MeteorJS.
Below is our Sample work:
~LEAP FITNESS GROUP
~Fiskl - Mobile Invoicing App
~Agent Jack
~Inventory Unique
~Mentorship App -
~Drinkr App -
~Tipsy Tales App -
I am looking forward to hearing from you soon.
Best Regards,
Gayatri
As a seasoned full-stack developer, I bring to the table an in-depth knowledge of both iOS frontend and backend development, making me the ideal candidate for your project. I have solid experience with Swift and SwiftUI which will ensure I refine the front-end user interface (UI) and implement the dual-tab bar system you need. Additionally, my expertise in integrating various APIs - including OpenAI API, Gmail API, and Firebase API- aligns perfectly with your requirements.
I am particularly intrigued by the AI-powered messaging functionality you seek for the app - a domain where I've obtained exceptional proficiency. In line with this, I am skilled at integrating OpenAI AI. Coupled with my exposure to implementing OTP authentication using phone numbers, incorporating your chosen subscription plans powered by Apple Payment System won't be a challenge.
My familiarity with Firebase and keenness on clean and scalable coding will ensure that your backend is not only well-documented for future updates but is also devoid of any bugs. Moreover, my extensive involvement in optimizing app performance aligns perfectly with your demand for a 100% bug-free app ready for submission on the App Store. Let's collaborate! Hire me now, and let's achieve success within budget and timeframe.
Hello, I HAVE SUCCESSFULLY DELIVERED SIMILAR PROJECTS
I will deliver-
a) Top Quality—High-standard development with full dedication.
b) 2.5 YEAR Support—Ongoing assistance & maintenance post-delivery.
c) Seamless Experience—Smooth, hassle-free integration & support.
I’ve gone through your requirements and can confidently handle this project with my expertise in iOS development using Swift and SwiftUI, along with backend integrations.
I have over seven years of experience. I specialize in AI-powered applications, Firebase, OpenAI API, Apple Pay, and OTP authentication.
My approach will be to refine UI animations, ensure smooth scaling across all iPhone models, and optimize performance while integrating the necessary backend functionalities seamlessly.
I’ll implement a clean, scalable, and well-documented backend, ensuring the app is bug-free, fully functional, and ready for App Store submission.
Please knock me in chat as I have some queries regarding the project to proceed further,
Shipra
Hello,
The backend will be completed using firebase for real time database management and user authentication, including otp verification. the openai api will be integrated to power the ai messaging features, enabling personalized responses. the gmail api will be used for email notifications and account management. apple pay will handle the 8 subscription plans with payments processed through apple's payment system. the admin panel will be created for basic analytics, including user engagement and subscription data, using firebase's dashboard tools. the frontend will be enhanced with smooth ui animations and refined for dark mode with a dual tab bar system for free and premium users. ads will be integrated into the chat lists and fun tab, ensuring that they are displayed according to user interaction. after all functions are tested and optimized for performance, the app will be submitted for app store approval. Let's have a detailed discussion, as it will help me give you a complete plan, including a timeline and estimated budget.
I will share my portfolio in chat
I look forward to hear from you. thanks
Regards,
Mughira
Hello, ⚜️⚜️⚜️ ‼️ OpenAI-Powered Messaging App Development ‼️⚜️⚜️⚜️
I look forward to filling the iOS Swift full-stack developer job for your AI-based messaging app. After going through the project description, I believe that I am capable of undertaking all backend and frontend work, such as OpenAI integration, Gmail API integration, Firebase/Supabase integration, OTP verification, and Admin Panel setup. With my experience in Swift, SwiftUI, Firebase, and API integration, I am the perfect person to assist in completing your app for App Store submission.
I have more than 8 years of experience in full-stack development and have a strong understanding of both frontend and backend needs. I have developed various AI-based apps, such as chatbots and messaging apps, and understand how to implement seamless UI/UX designs, improve performance, and manage monetization through subscriptions and ads. My experience with Firebase and payment processing guarantees that the backend will be secure, scalable, and future-proof.
I am sure I can refine the UI animations, make the dual-tab bar system functional, and make the app optimized both functionally and in performance. I will take care of integrating the AI-driven messaging functionalities so that it is smooth and seamless for users and make the app free from bugs and App Store-approved.
Let's TALK YOUR PROJECT IN GREATER DEPTH ON CHAT & BEGIN WORKING
Best regards,
Rahul
Hello There,
We are an expert team with over 9 years of experience in iOS development, AI integrations, and backend solutions. Confident in our skills, we can seamlessly integrate OpenAI, Firebase, Gmail API, and Apple Pay while refining UI animations and ensuring App Store readiness. We guarantee a bug-free, scalable, and optimized app delivered within your timeline.
Let’s get started!
Regards,
Ruchika Patidar
Hello,
I’ve carefully reviewed your job posting for an iOS Swift full-stack developer to enhance your AI-powered messaging app. I specialize in iOS development with extensive experience in Swift and backend integrations using Firebase and OpenAI APIs.
In a recent project, I integrated AI-driven features using OpenAI for a conversational app, refining UI elements and ensuring seamless performance across devices. I tackled challenges like optimizing chat transitions and scaling UI for various iPhone models.
For backend tasks, I’ve set up Firebase for real-time data synchronization and seamless OTP authentication, ensuring secure and efficient user verification. Additionally, I have integrated Apple Pay for subscription management in past projects, ensuring a smooth user experience.
I’m committed to providing regular updates and maintaining a clean, scalable codebase. Looking forward to the opportunity to work together.
Best, Alexander
I am confident that I can provide the right skill set to take your Messaging App powered by AI using OpenAI to its completion. I have been in the software industry for over 10 years, continually delivering cutting-edge digital solutions to global clients, which has sufficiently honed the knowledge I need to bring your vision for a messaging app to life.
In terms of frontend requirements, refining UI animations to enhance chat bubbles, message transitions, and overall UI responsiveness will be an exciting task that I am well-versed in handling. Additionally, I can smoothly implement the dual-tab bar system you require - one for free users and one for paid users, ensuring a seamless transition for users who upgrade from free accounts to premium services.
Backend-wise, my experience with Firebase, APi integration, payment processing, OTP authentication ensures that your app will have secure and reliable features. Moreover, I am accustomed to working with outreach services such as Gmail API. By leveraging my familiarity with OpenAI API & AI-powered messaging features, I know I can find innovative ways to make your project stand out.
My ability to meticulously document my work throughout client projects guarantees you a clean and scalable backend that will facilitate future updates without glitches.
Let's connect!!
Best,
Deb C
✨✨✨Hello✨✨✨
???Thanks for posting your task.???
As an accomplished and dynamic Full-Stack Developer, I have what it takes to bring your OpenAI-powered messaging app to life. My extensive experience in both iOS development and backend engineering, particularly with the technologies you specified, makes me a perfect match for this project. I have previous exposure to AI and chat-related projects which will be valuable in integrating OpenAI AI into your app. Furthermore, my skills and contributions are not just limited to code delivery; I also bring organizational abilities into play by maintaining clean, scalable, and well-documented backends that enable easy future updates.
Another area where I can add unique value is through my in-depth understanding of AI and machine learning. Over the past 5 years, I've worked extensively on projects involving generative AI, machine learning, deep learning, natural language processing, and computer vision. This profound expertise can be instrumental in utilizing the OpenAI API to deliver a highly intuitive experience for your users.
Moreover, I am familiar with implementing Apple Pay for subscription payments and incorporating Gmail API. The latter can help accomplish targeted ads in line with chat conversations. Rest assured, I will utilize my knowledge to ensure your app is 100% bug-free before it gets submitted to the App Store. Let's partner together to exceed your expectations!
