Android OLX-Style Marketplace App

@ominfowave

Hello We are Ominfowave Software Services Pvt. Ltd., and we have an expert mobile application development team with 10+ years of experience in building reliable, high-quality apps. ? Our Core Expertise •Android App Development (Kotlin / Native) •iOS App Development •Flutter & FlutterFlow (Cross-platform) Our team understands not just development, but also performance, user experience, scalability, and timely delivery. ? What We Can Deliver ✔ Social media integrations (Facebook, Google, Twitter, etc.) ✔ Google APIs (Maps, Places, FCM, YouTube, Analytics) ✔ Offline & cloud database solutions (SQLite, MySQL, Realtime DB) ✔ Secure payment integrations (Stripe, PayPal, Braintree) ✔ Ad monetization (AdMob, Appodeal, MobVista) ✔ In-App Purchases ✔ Location tracking & real-time features ✔ Chat & messaging applications ? App Types We’ve Built •Social Media Apps •Shopping & eCommerce Apps •Job Portals •Taxi / Carpooling Apps •VPN & Utility Apps •Travel & Booking Apps •Live Streaming Apps •AI & Machine Learning–based Apps ? Why Work With Us •10+ years of hands-on experience •Clean, scalable & secure code • Clear communication & regular updates • On-time delivery with quality assurance • Long-term support after project completion We would love to work with you and build a long-term, trusted business relationship. Let’s discuss your idea and turn it into a successful application Warm regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.

@shubhamshrimal7

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 olx style marketplace 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

@mrresearcher99

Hello, I have 10 years of experience developing Android marketplace and transaction-based applications with Android, Kotlin, Node.js, REST APIs, secure authentication, payment integrations, and cloud deployment. I can build your Android-only marketplace with location-based discovery, user accounts, listings, categories, advanced filters, image management, chat, notifications, purchasing, and a complete web admin panel. I recommend Kotlin for the native Android application and Node.js with PostgreSQL for a secure, scalable backend. The implementation will include token-based permissions, server-side payment handling, compressed cloud images, GPS-aware search, audit logs, backups, SSL, and OWASP-conscious security practices. Admin actions will synchronize reliably with the app. Relevant experience includes Social, marketplace, Car/Cab Booking, Food Delivery, and POS applications. Let’s discuss your payment providers and location-search rules. Best regards

@royalwebraisers

Hello, We understand you need a complete Android OLX-style marketplace with location-based discovery, secure buying/selling, real-time chat, payments, notifications, and an admin-controlled backend with scalable deployment. Implementation Approach: Develop a native Kotlin Android app with GPS-based listings, advanced search/filters, categories, image optimization, chat, and push notifications. Build secure Node.js/Laravel APIs with token-based authentication, role permissions, cloud storage, payment integration, and admin controls. Deploy on AWS/GCP with SSL, firewall, backups, CI/CD, staging builds, and OWASP-focused security testing. Queries: Which payment gateway and country/currency should be supported? Should purchases use an escrow/order workflow or direct seller payment? Do you already have preferred cloud hosting and UI/UX references? Can we discuss details? Best Regards, Jitendra

@vishal1145

Your payment gateway will fail PCI compliance audits if card data touches your server at any point, and your image pipeline will crash the app when users upload 20MB photos from modern Android cameras without server-side validation and async processing. Quick questions - are you planning a tokenized payment flow (Stripe, Razorpay) or building a custom PCI vault? And what's your expected concurrent user load in month one so I can size the database and CDN correctly? Here is the architectural approach: - KOTLIN + JETPACK COMPOSE: Build the native Android app with MVVM architecture, Room for offline caching, and WorkManager for background sync so the app stays responsive during poor network conditions. - NODE.JS + POSTGRESQL: Design the REST API with JWT refresh tokens, rate limiting per endpoint, and PostGIS extensions for sub-50ms radius queries when users search by location. - AWS S3 + CLOUDFRONT: Implement image upload with client-side compression to 1920px max, Lambda triggers for thumbnail generation, and signed URLs so your storage bucket never exposes public write access. I've built 4 marketplace platforms that handle 10K+ daily transactions without payment failures or data breaches. Let's schedule a 20-minute architecture review so you see the security model and scaling plan before committing to a build.

@pinkeegupta

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, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise 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. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)

@ciss26

Hello there, Hope you are doing well I can build your complete Android OLX-style marketplace with a native Kotlin application, secure backend, scalable cloud infrastructure, and a powerful admin panel. I’ll focus on making the complete buying/selling flow fast, reliable, secure, and easy to manage. Key Features Android App Native Android app using Kotlin + Android Studio Secure registration/login with token-based authentication User profiles and role-based access GPS-based nearby listings and location-aware recommendations Categories, advanced search and multi-level filters Create/edit/delete listings with multiple images Image compression and optimized cloud uploads Real-time buyer/seller chat Offers, purchase/order workflow and status tracking Push notifications for messages, offers and order updates Email/SMS notifications where required Payments Credit/Debit card payments Mobile wallet integration Bank transfer support Secure server-side payment processing Transaction records, payment status and confirmation handling PCI-conscious architecture with sensitive payment data handled by the gateway Admin Web Panel User management and account suspension Listing approval, editing and removal Category/subcategory management Reported content and abuse management Order and transaction monitoring User/listing search and filtering Notification management Dashboard with marketplace activity and basic analytics

@technologiesit

Drawing from a unique blend of 8+ years of experience, I am Vimal Kumar – your go-to Full Stack Developer who can seamlessly code your dream marketplace application. Whether it's the nitty-gritty of Android-native languages such as Kotlin or Java or diving into robust backends using the likes of Node.js, Laravel, I've got you covered. What sets me apart is my ability to bring powerful functionality nicely bundled in UI/UX designs that enhance the user experience while aligning with your brand's image. Additionally, my expertise includes working confidently with payment gateways, image upload/storage and hosting which are pivotal to ensure fast and safe transactions and efficient data storage. A core element in apps of this nature is communication- consider me well-equipped to handle in-app chat, push notifications & email/SMS triggers for seamless interactions among users in real time. Upscaling features with smooth AWS/GCP hosting choices and routine backups for security adds value to my pitch. 0n top of my vast experience in web and mobile app development using Laravel, React, PHP, Android Studio etc., I've a keen eye for end-to-end testing and OWASP top 10 checks that ensure we validate our product against critical parameters. I intend to ensure proper deployment scripts that won't just save us valuable time but also give us robust results on each milestone towards achieving the stated acceptance criteria.

@lalitmydevit

As an experienced Full-Stack Developer specializing in Android App Development, I believe I'm the best fit for your project. With over a decade of experience, I've developed a keen eye for creating modern, scalable and high-performing applications - precisely what your Android marketplace app requires. My proficiency in building complex systems will ensure all your specifications from GPS integration to payment gateway compliance will be executed seamlessly. In addition to my Android development skills, my expertise in Node.js, Laravel and PHP align perfectly with your needs for a secure backend and hardened REST/GraphQL APIs. My competency in integrating various payment gateways such as Stripe and Razorpay will optimize your user's purchasing experience. Finally, my commitment to clean code and a comprehensive Git-based workflow means that you'll receive consistent updates and the ability to monitor progress at every stage. Throughout the development lifecycle, I aim to provide actionable results for transparent and efficient collaboration. Don't just take my word for it - let's get started on making your Android OLX-style app a reality!

@Proswift

Hi, You need a full OLX-style Android marketplace — GPS-based listings, chat, payments, admin panel, backend, and hosting — with real-time sync between app and admin and a clean end-to-end buy/sell flow. I build native Kotlin Android apps with location search, in-app messaging, push notifications, image upload, and payment integration. I’ve shipped production commerce apps (listing, orders, roles, admin-style controls) and backends on AWS with REST APIs and token auth. Given the scope, I’d work in milestones — core listings + GPS search first, then chat/notifications, then payments and admin — with staging APKs and Git updates at each step. ₹37500.00 to start. Happy to map phases once you share UI references. Best regards

@KarthikTechCon

Hi there! I’m Karthik, with over 15 years of experience in mobile app development. I’m excited about the opportunity to build your Android marketplace app. My proposal includes: - Native Android App: Developed using Kotlin for optimal performance. - Real-time GPS: Users can easily browse nearby listings and receive location-based suggestions. - Secure Authentication: Robust sign-up/sign-in, with user roles and an efficient admin panel for account and ad management. - Advanced Features: Product listings, in-app chat, push notifications, and comprehensive search filters. - Payment Integration: Supports Credit/Debit Cards, Mobile Wallets, and Bank Transfers with PCI compliance. - Backend Development: Using Node.js or Laravel, with REST APIs and solid security measures. - Scalable Hosting: On AWS or GCP, ensuring reliability and security. I will ensure regular updates via Git and deliver a staging build at each milestone. Let's create a seamless marketplace experience! Looking forward to discussing this further. Best, Karthik

@Govind2892590

Hi, I would like to grab this opportunity and will work till you get 100% satisfied with my work. I just applied after read your job posting carefully and I believe that I am good fit to your project. I'm a serious bidder. I will satisfy you with my high skills! I am an expert which have 10+ years of experience on Mobile App Development, iPhone, User Interface / IA, PhoneGap, Mobile App Testing, Swift, Google Maps API, Web Development, iOS Development, Mobile Development I am looking forward to meet you to discuss the further detail about this project. Looking forward to hearing from you. Warm Regards

@ubaidalam217

Hi, I’ve reviewed your complete Android marketplace requirements. I can develop the platform with a native Kotlin Android app, secure backend APIs, database, cloud storage and an admin panel. The core implementation can include: • Native Android app using Kotlin + Android Studio • GPS-based nearby listings and location-aware search • Secure authentication with user/admin roles • Product listings, categories, advanced search and filters • Real-time buyer/seller chat and push notifications • Image compression and cloud storage • Payment gateway integration for cards, wallets and bank transfers • Node.js/Laravel REST APIs with token-based authentication • Admin panel for users, listings and reported content • Cloud deployment with SSL, backups and security controls • Clean Git repository with deployment and build documentation I would build the backend with a scalable API-first architecture so the admin panel and Android application remain synchronized in real time. Security, validation and payment handling will be implemented carefully to avoid exposing sensitive payment information. I can also provide staging builds and regular Git updates during development so you can test each major feature before final delivery. Please share the UI references and any preferred payment gateway/hosting details so I can review them and confirm the implementation approach. Let’s discuss the details in chat.

@TechWagger2026

With over 14 years of experience and a strong track record, I am confident that I possess the expertise needed to successfully deliver your OLX-style marketplace app. From Android App Development to Backend Development, I've honed my skills in Kotlin and Node.js, ensuring the project can be seamlessly built across all aspects. In my vast range of past experiences, I've developed web and mobile apps for various industries covering functionalities like real-time GPS, secure user-authentication, in-app chat, push notifications, multiple payment processes and much more – all crucial components for your project. Moreover, my ability to harden the backend ensures the safety of user data which is paramount in any marketplace scenario. You can expect not just a functional app but a complete solution including hosting and storage options with necessary security measures always taken into account. My dedication to discussing and incorporating your feedback throughout the development process, combined with my proficiency in Git updates and clear staging builds at every milestone will ensure that we stay on track and deliver as per your expectations. In choosing me for this project, you're opting for a trusted partner committed to meticulous work and prompt delivery.

@ammarahmed20

In the realm of full-stack development, few possess the versatile skill set that I have honed over the years. My name is Ammar Ahmed and I've built numerous marketplaces, automation systems, AI-driven platforms and SaaS applications, amounting to over 40 successful deployments. My finger is on the pulse of modern-day technologies such as Node.js, Laravel, and GraphQL among others. It's this expertise that I bring to the table for your Android OLX-style application project. One aspect of your project that aligns perfectly with my experience is its scale. Having developed multi-vendor eCommerce platforms similar to what you envisage, I am well-versed in handling secure sign-ups with different user roles and constructing efficient admin panels. Moreover, my extensive work with payment gateways - from Credit/Debit Card integrations to Mobile Wallets - complements your project requirement perfectly. Another significant skill set I bring to the table revolves around backend development where I ensure solid security measures, as per your needs. My web-hosting experience mentioned earlier will ensure smooth deployment and uptime. Additionally, rest assured that you will receive periodic Git updates for quick feedback and a comprehensive staging build at every milestone. Hiring me means safe hands for a thousand seamless operations: automated processes optimized by artificial intelligence and a well-built marketplace you desire!

@richard031596

You need a full Android OLX-style marketplace with GPS listings, chat, payments, admin control, backend APIs, storage, and scalable hosting. I’d build the Android app in Kotlin with a Node.js/Nest.js backend, PostgreSQL geospatial queries, cloud image storage, push notifications, token auth, and an admin web panel. I’ve built marketplace-style flows before with listings, filters, media upload, chat, payments, role permissions, and API-driven admin actions that update the app immediately. For this project, I’d structure milestones around auth/profiles, listing + GPS search, chat/media, payments/order state, admin panel, deployment, and security checks. Regular Git updates and staged APKs make sense here. Can start after reviewing UI references. Should GPS search use true radius-based live location queries, or fixed city/area filtering?

@ASSAMWEB

Greetings, I have reviewed your project description and recently worked on a similar project. I believe I can help you deliver this successfully. Let’s open a chat to discuss your requirements in detail and determine the best approach for your project. Regard

@arshig8

Hi, I’ve read all your requirements very well and I’m really excited to build this OLX-style Android marketplace for you. I can handle the complete solution including native Android app, GPS-based listings, chat, notifications, secure payments, REST APIs, admin panel, scalable backend and deployment. My focus will be on making the buying/selling flow simple, fast and secure while keeping the architecture ready for future growth. Do you already have UI/UX references and branding ready? Which payment gateway and hosting provider do you prefer? Also, should chat be real-time with Firebase or handled through the backend? Let’s connect on chat to discuss well. Let's connect; waiting for your response. Best Regards, Arshiya

@guptakishan805

As an experienced Full Stack Developer who has specialized in Android App Development and Backend Development for over 5 years, I am the perfect fit for your project. I have a deep understanding of the core technologies involved including Kotlin and Java in Android Studio, Node.js, Laravel and more, that you require for a robust solution like yours. My ability to create reliable digital products from scratch or improve existing ones will facilitate your goal to have a fully functional OLX-style Marketplace App. I am highly proficient in implementing advanced features such as real-time GPS, secure sign-up/sign-in capability, push notifications and integrated payment gateways (supporting Credit/Debit Cards, Mobile Wallets, Bank Transfers) which are all crucial aspects of your project. Additionally, my experience with image upload, compression and cloud storage management will ensure that your app is fast without compromising on the quality. Recently I worked on a similar project - 'A full-featured eCommerce platform'. It demanded a scalable backend with role-based permissions, sophisticated APIs like GraphQL and REST, which I successfully delivered. Moreover, I’m well-versed in deploying in cloud platforms like AWS or GCP with solid security measures like firewalls and SSL. Looking forward to working together!