
Closed
Posted
Paid on delivery
Mon application est déjà en cours de développement ; je cherche maintenant un renfort sérieux pour la mener à terme dans les meilleurs délais. [login to view URL] Voici ce qu’il reste à faire : • Faire une nouvelle base de donnée • Finir les fonctionnalités et les parties restantes dans les cahier de charge • Intégrer le nouveau design professionnel que je fournirai (maquette Figma disponible). • Supprimer certaines fonctionnalités de paiement devenues inutiles afin d’alléger le flux utilisateur. • Connecter deux nouvelles APIs de paiement et vérifier leur bon fonctionnement (sandbox + production). • Préparer et pousser les versions finales sur l’Apple Store et le Google Play Store ; les comptes éditeurs sont prêts. Le code source est propre et documenté, et je reste disponible pour toute explication sur l’architecture actuelle. Une fois cette application publiée, d’autres projets mobiles attendent ; une collaboration réussie pourra donc déboucher sur des missions régulières. Si vous êtes rapide, organisé(e) et à l’aise avec la finition d’applications en cours de développement, faisons équipe et bouclons ce projet ! S'il vous plait soyez raisonnable en fixant vos prix.
Project ID: 40394088
62 proposals
Remote project
Active 4 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
62 freelancers are bidding on average $588 USD for this job

⭐️⭐️⭐️ Finalisation & Déploiement d’Application Mobile (iOS & Android)⭐️⭐️⭐️ Je comprends que votre application est déjà bien avancée et que vous recherchez un développeur fiable pour finaliser rapidement les fonctionnalités, intégrer le nouveau design Figma et assurer un déploiement propre sur les stores. Je peux intervenir efficacement sur la refonte base de données, intégrations API de paiement, optimisation du flux utilisateur et publication finale, avec une approche rapide et structurée. Fonctionnalités : Refonte base de données, intégration design Figma, finalisation des modules restants, intégration APIs paiement (sandbox + prod), optimisation UX (suppression flux inutiles), build & déploiement App Store / Play Store, code propre & maintenable, support post-lancement. Let’s chat… Thanks
$540 USD in 12 days
9.4
9.4

I CAN HELP YOU TURN YOUR IN-COMPLETION APP INTO A FULLY STABLE, STORE-READY PRODUCT — CLEANLY FINISHED, OPTIMIZED, AND READY FOR SCALING As per your requirements, I bring 12+ years of IT experience in full-stack mobile development, API integrations, database architecture, and App Store / Play Store deployment for production-grade applications. Project Understanding: Your application is already in progress, and the goal now is a structured completion: backend stabilization, feature finalization, UI redesign integration, payment optimization, and final store deployment. Core Tasks Delivery: • Design and implement a new optimized database structure • Complete pending features as per existing specification document • Integrate your Figma-based professional UI redesign • Remove unnecessary payment flows to simplify UX • Integrate and validate 2 new payment APIs (sandbox + production testing) • Ensure full end-to-end flow stability (login → usage → payment → completion) • Prepare and deploy final builds to Apple App Store & Google Play Store • Ensure compliance, performance checks, and release readiness Why Me: I specialize in completing partially-built applications and bringing them to production readiness with minimal disruption. My focus is clean architecture, fast delivery, and ensuring App Store compliance without rework cycles.
$500 USD in 7 days
8.4
8.4

Hi, I have carefully read your PDF and Your app is close but without focused execution, final-stage gaps (payments, UI, deployment) can delay launch or cause issues in production. I will Finalizate with this: -Complete remaining features, integrate your Figma design, and streamline UX by removing unused payment flows. -Set up the new database and connect/test both payment APIs sandbox and production. -Handle full deployment to App Store and Google Play with build validation and submission. I’ll work with your existing codebase clean + documented, using efficient debugging, API integration, and mobile release workflows. A polished, production-ready app launched with stable payments and a smooth user experience. I’ve stepped into in-progress apps before and taken them through to successful store releases. I can start immediately and focus on getting this across the finish line fast. I'm waiting for your any kind of response. Thanks.
$500 USD in 7 days
7.2
7.2

Hi, I've reviewed the job description and the cahier des charges carefully. I have strong experience with Flutter, NestJS, and PostgreSQL - which is exactly the stack your project is built on — so I can hit the ground running without a learning curve. Here's my understanding of what needs to be done, and my approach: Database: Set up a fresh PostgreSQL schema, run clean migrations, and seed the required categories and initial data. This is straightforward given the existing Prisma setup. Remaining features: Based on the spec, I'll complete anything outstanding - push notifications, order tracking, real-time delivery updates, admin dashboard stats, and social sharing (Facebook, TikTok, Instagram, Snapchat). New design: I'll implement the Figma designs pixel-perfect in Flutter. I'm comfortable translating design systems into reusable widget components that are easy to maintain. Payment integration: I'll remove the unused payment flows to simplify the UX, then integrate the two new payment APIs with full sandbox testing before switching to production keys. I'll document the webhook flows clearly. Store publishing: I'll build the signed release APK and iOS IPA, optimize store listings (screenshots, descriptions), and submit to both Google Play and the App Store. I've done this multiple times and know how to handle review requirements. I can share a detailed breakdown by feature with estimated hours if that's useful before we start.
$600 USD in 7 days
7.2
7.2

Hi, I can take over your app and bring it to final production quickly and safely. I’ll handle database setup, complete remaining features, integrate your new Figma design, simplify/remove unnecessary payment flows, connect and test the new payment APIs (sandbox + live), and manage full App Store + Play Store deployment. I work cleanly with existing codebases and focus on fast, stable delivery without breaking current functionality. Available to start immediately. Thanks, Rahul Raman Sharma
$900 USD in 15 days
7.4
7.4

Hello there, Je vais finaliser votre application mobile — intégration du nouveau design Figma, mise en place de la nouvelle base de données, connexion des deux APIs de paiement, et publication sur l'App Store et le Google Play Store. Pour les APIs de paiement, je vais d'abord valider chaque flux en sandbox avec des scénarios d'erreur (carte refusée, timeout réseau, double soumission) avant de basculer en production. Cela garantit un parcours utilisateur fiable dès le lancement, sans mauvaises surprises côté transactions. Questions : 1) Quel framework est utilisé actuellement — Flutter, React Native, ou natif ? 2) Quels sont les deux prestataires de paiement à intégrer (Stripe, PayPal, autre) ? Looking forward to potentially working together. Thanks, Kamran
$270 USD in 10 days
7.5
7.5

⭐⭐⭐⭐⭐ As a highly reputable web and app development company, we have honed our skills over 18 years to ensure that projects reach their finalization phase quickly and efficiently. Committed to delivering top-tier quality, we are experienced in wrapping up projects within deadlines without compromising on the standard of work. Your particular project aligns perfectly with our expertise, especially with our skill set in Android and iOS Development, Mobile App Development, and API Integration. Our portfolio speaks for itself, showcasing diverse projects where we've taken existing codes and implemented them successfully. We are well-versed in handling any challenges that may arise during the completion stage—whether it's creating a new database or integrating APIs—which would be particularly helpful with the remaining tasks you outlined. Also,
$500 USD in 7 days
7.3
7.3

Hi The main challenge in completing an in-progress mobile app is aligning the new database, unfinished features, and updated UI without breaking existing architecture or payment flows. I can step in to finalize your app by redesigning the database structure, connecting it cleanly to the backend, and completing remaining features from the specification. I have strong experience with mobile apps (Flutter/React Native), API integrations, and restructuring systems while maintaining stability and performance. I will integrate your Figma design precisely, remove unnecessary payment logic, and connect the two new payment APIs with full sandbox and production validation. I also handle build optimization, store compliance, and deployment to Apple Store and Google Play. My focus is on delivering a clean, stable, and production-ready app with smooth user flow and no blocking issues. Thanks, Hercules
$500 USD in 7 days
6.9
6.9

Hi, I understand you already have a well-structured app and now need someone reliable to step in, move quickly, and bring everything to a clean, production-ready finish. For your app, I’d start by reviewing the current code and specs with you, then move step by step setting up the database, completing pending features, integrating your Figma design, simplifying unnecessary payment flows, and adding the required payment APIs with proper testing. After that, I’ll handle build preparation, resolve any store-related issues, and push both iOS and Android versions for approval. I can start immediately and complete everything within 10–14 days depending on scope and feedback. Let’s connect and review your current build so we can finalize a clear plan and move quickly toward launch. Thanks.
$500 USD in 7 days
6.5
6.5

Hi There!!! ★★★★ ( Finalisation rapide d’application mobile iOS & Android + intégration API & publication stores ) ★★★★ Project understanding: I understand your app is already in development and you need final completion including new database setup, finishing remaining features, integrating new Figma design, removing unwanted payment flow, adding 2 payment APIs, and publishing to App Store and Google Play. Services: ⚜ New database setup & optimization ⚜ Completion of pending features ⚜ Figma UI integration (new design) ⚜ Payment flow simplification & cleanup ⚜ API integration (2 payment gateways) ⚜ Testing sandbox + production ⚜ App Store & Play Store deployment I have strong experience in mobile app development and backend API integrations, also in finishing half-built applications and making them production ready. I focus on clean code, stable performance and smooth user experience with less bugs and proper structure. Plan is to analyse current codebase, rebuild/optimize DB, integrate UI design, connect APIs, test full end-to-end flow and finally publish on stores without issues. Let’s connect and finish this app quickly and properly, ready to start asap. Warm Regards, Farhin B.
$256 USD in 10 days
6.6
6.6

Hi J'ai finalisé des applications mobiles en cours de développement avec intégration Figma, migration de base de données, connexion d'APIs de paiement et publication sur les deux stores, et je sais évaluer rapidement un projet existant pour identifier ce qui peut avancer vite et ce qui peut bloquer. Avant de m'engager sur un délai précis, j'ai besoin d'accéder au cahier des charges complet et au code source actuel. Ces deux éléments déterminent le volume réel des fonctionnalités restantes et la complexité de la migration vers la nouvelle base de données. Une fois cette revue faite, je vous propose un plan de livraison par étapes avec des jalons clairs jusqu'à la publication sur l'App Store et le Google Play. Je suis disponible pour démarrer rapidement et intéressé par une collaboration qui se prolonge sur vos prochains projets mobiles. Best, Justin
$500 USD in 7 days
5.9
5.9

Hello, I have 4 years of experience in Mobile App Development, API Integration, Backend Development, and iOS Development. I understand the requirements of your project. I can complete the remaining tasks efficiently and integrate the new professional design provided in Figma. I am skilled in Database Development, App Design, App Publication, App Reskin, and API Integration. Let's discuss further in chat to ensure a perfect execution of your project. Looking forward to collaborating with you. Best regards, Taimoor from Pixels Soft Let's connect in chat for further discussion.
$500 USD in 7 days
5.5
5.5

At Toriqul Global Solutions, we transform ideas into high-performing digital products. We are a professional web development agency led by Engineer Md. Toriqul Islam brings over a decade of expertise in designing and developing websites, applications, and custom digital solutions. What We Deliver: ✔ Stunning modern websites ✔ Powerful custom web applications ✔ Mobile apps for Android & iOS ✔ E-commerce platforms ✔ Business automation systems ✔ SEO-friendly and fast-loading websites Our Tech Stack: React, Node.js, Laravel, PHP, WordPress, Python, .NET, MySQL, MongoDB, React Native, Bootstrap, JavaScript, and more. Why Clients Trust Us: • Business-focused solutions • Clean UI/UX design • Secure & scalable systems • Reliable deadlines • Transparent communication • Excellent after-sales support We don’t just build websites, we build results. Let’s create something amazing together. Best Regards, Toriqul Global Solutions
$250 USD in 5 days
5.4
5.4

✋ Hi There!!! ✋ The Goal of the project:- TO COMPLETE AND FINALISE AN EXISTING MOBILE APPLICATION INCLUDING DATABASE REBUILD, FEATURE COMPLETION, API INTEGRATION, AND APP STORE AND PLAY STORE DEPLOYMENT I have carefully reviewed your requirement and understand you need a fast and reliable developer to finalize your in-progress mobile app with backend updates, design integration, and full store publication. I am best fit for this project because I have strong experience in finishing complex mobile applications and preparing them for production deployment. 1 Database restructuring and backend completion based on existing architecture 2 Figma design integration with cleanup of unnecessary payment flows and features 3 API integration with testing in sandbox and production plus App Store and Play Store deployment I will provide UI design, database management, testing and full source code delivery at project completion along with deployment and publishing support. I have 9+ years experience as a full stack developer working on mobile app development and production releases. I have completed similar projects involving app finalization, API integration and successful store submissions. Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
$251 USD in 7 days
5.0
5.0

As a seasoned Full Stack Developer with over 10 years of experience, I specialize in bringing projects to a successful completion. Your app is already in progress, but I'd like to offer my expertise to finalize it quickly and efficiently. I can help you complete the remaining tasks and integrate your new design effectively to give your users an enhanced experience. Possessing a strong background in both front-end and back-end development, including Android mobile app development, I'm confident in my ability to handle the various aspects of your project. I'm familiar with database management and API integration, which will be crucial for streamlining your user payment process. Furthermore, I'm comfortable working with Figma designs and have experience deploying apps on both the Apple Store and Google Play Store. One of my key strengths is fast delivery without compromising quality or code standards. Your project aligns with my profile as advertised, and it's an opportunity for me to showcase my skills in action. Your satisfaction holds my utmost priority, as your successful launch would not only lead to a long-term collaboration but also strengthen my reputation as a dependable freelancer. Let’s team up and get this project over the finish line swiftly without compromising quality!
$550 USD in 7 days
4.8
4.8

**** Mobile App Completion, Payment Integration & App Store Deployment Support *** We will take over your existing in-progress mobile application, complete the remaining backend and frontend features, integrate your new Figma-based design, streamline payment flows, and prepare the app for full production release on iOS and Android stores. Key Features: • Database setup and completion of pending backend features • UI integration using provided Figma design • Removal/cleanup of unnecessary payment flows • Integration of 2 payment gateways (sandbox + production) • Full App Store & Google Play deployment readiness (builds, testing, release) Thanks
$250 USD in 7 days
4.7
4.7

Bonjour! I noticed you need assistance finalizing your mobile app development with API integration. I have experience with API integration for mobile apps. I can help you finalize your mobile app quickly and efficiently. I'd like to discuss the specifics of your current development stage to ensure a smooth integration. Feel free to reach out so we can get started!
$550 USD in 10 days
4.9
4.9

Hi, As per my understanding: you need to finalize an in-progress mobile app with DB rebuild, feature completion, new UI integration, payment API updates, and store deployment. • Refactor DB schema and complete pending modules • Integrate Figma UI, remove unused flows, connect payment APIs • Test (sandbox/live) and handle App Store/Play submission Is the current backend stack fixed? Which payment APIs? I will share my portfolio on your first message. I will be looking forward to hearing from you. Kindest Regards
$750 USD in 18 days
4.5
4.5

As a seasoned mobile app developer with over a decade of experience, I'm confident that I possess the right skills and expertise to bring your application to fruition. My proficient knowledge in Android, iOS Development, and Mobile App Development make me highly efficient in finalizing applications that are already in progress. In line with your specific project requirements, I can adeptly create a new database, integrate the new professional design you'll provide (using Figma), connect and ensure the proper functioning of the two new payment APIs as well as prepare and push the final versions on both Apple Store and Google Play. My track record speaks ample proof of my ability to deliver projects promptly without compromising quality. With your project, not only am I dedicated to its successful completion but also envision a possibility of forging a fruitful long-term collaboration. Choose me for 100+ successful projects and an undying passion for crafting excellent user experiences!
$500 USD in 7 days
4.2
4.2

Hello!! I HAVE CREATED SIMILAR PROJECTS BEFORE AND I CAN SHOW YOU ! I understand your mobile app is already well advanced and you now need a reliable developer to quickly finalize it by rebuilding the database, completing the remaining features from the specification, and integrating the new professional Figma design. I will carefully clean up the user flow by removing unnecessary payment features, then integrate the two new payment APIs and validate them in both sandbox and production to ensure everything works flawlessly. Next, I will prepare optimized production builds and handle the full submission process to the Apple App Store and Google Play Store using your ready publisher accounts. With clean, documented code and your availability for clarifications, we can move fast and finish efficiently, opening the door for future mobile projects together. Best Regards Sushm
$500 USD in 7 days
5.0
5.0

Longueuil, Canada
Member since Apr 23, 2026
$250-750 USD
₹12500-37500 INR
₹1500-12500 INR
₹12500-37500 INR
₹1500-12500 INR
€750-1500 EUR
₹75000-150000 INR
₹1500-12500 INR
$250-750 USD
$30-250 USD
₹12500-37500 INR
$30-250 USD
₹37500-75000 INR
₹1500-12500 INR
₹1500-12500 INR
₹1500-12500 INR
₹12500-37500 INR
$250-750 USD
$25-50 USD / hour
$2-8 USD / hour
$15-25 USD / hour