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I am building a secure Android-only application that lets users move money with ease. The core features I need live from day one are: • Transferencias de dinero • Pago de servicios • Consulta de saldo All user logins must be authenticated against our Microsoft Active Directory, so the app has to integrate with OAuth 2.0 / OpenID Connect and respect the existing group policies. Alongside the mobile front end, I also need a lightweight web portal where I can monitor transactions in real time, view aggregated balance data, and perform standard admin tasks such as user suspension or limits management. The portal can be built in the stack of your choice, provided it consumes the same secure REST/GraphQL API that powers the mobile app. Key expectations – Clean, well-documented source code (Kotlin or Flutter preferred, but I’m open) – End-to-end encryption of sensitive traffic, token-based session handling, and audit trails compliant with PCI-like guidelines – Handoff that includes build instructions, API documentation, and a short Loom video walkthrough If you have proven experience delivering transactional fintech apps on Android and can show a sample of a monitoring dashboard you’ve built before, let’s talk about timelines and a sensible milestone plan.
Proje No: 40051704
170 teklifler
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170 freelancer bu proje için ortalama $1.304 USD teklif veriyor

Hello, I’m Muhammad Awais, and I will build a secure Android app and a lightweight web portal that match your requests from day one. The Android app will support money transfers, bill payments, and balance checks, with authentication against Microsoft Active Directory using OAuth 2.0/OpenID Connect and policy-aware access. The backend and portal will expose a secure API (REST/GraphQL) that powers both mobile and portal, with end-to-end encryption, token-based sessions, and audit trails aligned with PCI-like guidelines. The admin portal will provide real-time transaction monitoring, aggregated balances, and controls for suspending users or adjusting limits, built in a responsive stack of your choice (Kotlin or Flutter for mobile, Node.js for the portal). The deliverables include clean, documented source code, a detailed handoff with build instructions, API docs, and a short Loom video walkthrough. I have delivered transactional fintech apps on Android and can share a monitoring dashboard sample upon request. 1) Confirm you want Microsoft Active Directory integration via OAuth 2.0/OpenID Connect for Android sign-in and which AD groups should map to which app roles. 2) What token lifetimes and refresh strategy do you require (access token, refresh token rotation, PKCE usage)? 3) What data is required in audit logs (events, fields, retention period) and how long? 4) What real-time mechanism for the portal (WebSocket/Server-Sent Events) and how to handle backpressure? 5) What
$1.500 USD 28 gün içinde
9,2
9,2

Hello, I’ve read your spec and I fully understand the scope: an Android-only transactional app with Microsoft AD/OpenID Connect auth, strong security, plus a lightweight web portal that uses the same secure API for realtime monitoring and admin. I can build this with clean, documented Kotlin or Flutter clients, a hardened backend API, and a simple admin UI for monitoring and controls. Before I produce a timeline, milestone plan, and firm quote, three quick but important questions: 1. Payment rails & partners: Which banking/PSP integrations or payment processors do you want used and can you provide sandbox credentials? 2. Regulation & KYC/limits: Which country/jurisdictions and compliance standards must we meet? This affects architecture and timelines. 3. Tech preferences for portal & client: Do you prefer Kotlin native for Android or a cross-platform Flutter codebase? Any preferred stack for the web portal? Answer these and I’ll send a concise proposal (milestones, delivery time, security checklist, and sample dashboard screenshots or links) right away. Best, Jenifer
$1.125 USD 30 gün içinde
9,4
9,4

With over 10 years of experience in web and mobile development, specializing in fintech solutions, I understand the importance of building a secure Android financial app and monitoring portal for your project. Your requirements for seamless money transfers, service payments, and balance inquiries, along with the need for integration with Microsoft Active Directory via OAuth 2.0 / OpenID Connect, pose a crucial challenge that I am more than capable of addressing. Having successfully delivered transactional fintech apps in the past, I am well-equipped to meet your key expectations for clean code, end-to-end encryption, and comprehensive documentation. My expertise in Kotlin, Flutter, and secure API development align perfectly with your project needs, ensuring a robust and user-friendly solution. If you are seeking a reliable partner to bring your vision to life and meet your project requirements within the specified budget and timeframe, I am here to collaborate with you every step of the way. Let's discuss further details and milestones to create a successful Android financial app and monitoring portal together.
$1.200 USD 20 gün içinde
8,3
8,3

Hello and thank you for posting the project. We are a team of more than 30 highly talented software developers and product managers, specializing in building software products for our global clients. We would love to build the app for you please contact via chat and we can discuss further. Thank you.
$10.000 USD 45 gün içinde
8,5
8,5

Drawing from my extensive background in Android and Flutter development, I am confident that I have the necessary skill set to develop and deliver a high-quality, feature-rich, and secure financial app and monitoring portal that meets your exact specifications. Having worked on similar projects in the past, I understand the importance of clean, well-documented source code, end-to-end encryption, token-based session handling. my fluency in flutter and experience creating monitoring dashboards assures you of a robust monitoring web portal, while incorporating essential functionalities such as real-time transactions view and aggregated balance data. To ensure a smooth handoff, rest assured that you'll receive comprehensive build instructions, API documentation, and a Loom video walkthrough for easy understanding even after project completion. Let's connect soon to discuss more about your project timelines and milestones plan!
$1.325 USD 45 gün içinde
8,8
8,8

Hi — Elias from Miami. I read your brief and I get it: a secure Android-only money app with Transferencias de dinero, Pago de servicios, and Consulta de saldo, authenticated against your MS Active Directory via OAuth2/OpenID Connect, plus a lightweight admin portal sharing the same secure API. What I’ll deliver: • Production-ready Android client (Kotlin or Flutter) + admin web portal. • OAuth2/OIDC AD integration honoring group policies. • End-to-end encryption, token-based sessions, audit trails designed to PCI-like standards. • Real-time transaction monitoring, aggregated balances, user suspend/limits UI. • Tests (security, functional), build instructions, API docs, and a short Loom walkthrough for handoff. Q1: Do you have an AD tenant & app registration ready (client_id, redirect URIs, required scopes), or should I provision/setup one? Q2: Which payment rails/providers must we integrate (local banks, ACH, card processor, third-party gateway)? Q3: Any regulatory/KYC thresholds or daily limits I should enforce from day one? Please give exact values. Q4: Preferred hosting/DB for backend (cloud vendor, on-prem, or managed FaaS) and required retention period for audit logs? If that matches, I’ll propose milestones and a firm estimate. Looking forward. Regards.
$1.125 USD 7 gün içinde
8,1
8,1

Hello, I have read your requirement to build an Android app. I can do that, and I have 8 years of experience delivering mobile and backend systems for secure transactional apps. I will deliver a production-ready Android application (Kotlin) that supports transferencias de dinero, pago de servicios, and consulta de saldo, with all logins authenticated against your Microsoft Active Directory via OAuth2 / OpenID Connect and honoring existing group policies. The mobile client will talk to a secure backend API (REST or GraphQL) that also powers a lightweight admin web portal for real-time transaction monitoring, aggregated balances, user suspension, and limits management. Security is central: end-to-end encryption in transit, token-based session handling with refresh/rotation, role-aware authorization, server-side audit trails, and logging designed to meet PCI-like requirements and simplify compliance reviews. I will include hardened storage practices (keystore/secure enclave usage), tamper-detection hooks, and guidance for hosting and secret management. Deliverables include clean, well-documented source code; build and deployment instructions; API documentation (OpenAPI/GraphQL schema); automated audit/logging examples; and a Loom walkthrough demonstrating the build, admin portal, and key security flows. I’ll also provide examples of dashboards
$1.250 USD 28 gün içinde
8,0
8,0

With over twelve years of experience, I've mastered the art of building high-quality applications that meet both client needs and industry standards. As a Full Stack Software Developer, I have an impressive track record of successful projects like yours, including complex financial app development, API integration. These professional skills make me uniquely fitted to handle your secure Android financial and monitoring portal project.
$1.000 USD 10 gün içinde
6,8
6,8

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on Java, Mobile App Development, Android, Node.js, OAuth, Kotlin, Flutter, API Development Lets connect in chat so that We discuss further. Thank You
$1.125 USD 7 gün içinde
6,3
6,3

Coming on-board as a highly skilled and experienced software engineer, I offer you expertise that goes beyond the typical Android developer. As indicative by my rich profile, I have a Master's degree in Embedded Systems along with a profound understanding of firmware development, C/C++ programming, and microcontroller-based projects. These skills give me an added edge in building an airtight and secure app like the one you require. Whether it's integrating with Microsoft Active Directory or ensuring end-to-end encryption and token-based session handling, I am well-capable in these arenas.
$1.500 USD 21 gün içinde
6,5
6,5

Hello there Hope you are doing well as you are looking for a "Build a FINANCIAL APPLICATION WITH MONITORING PORTAL " so will make the same as you want , I have already develop and Design the so many Application , - I will use latest technology to develop your Application - I will share daily update with you - I Will deliver your project within timeline - After project completion will share complete source code - I will provide 1 year support our develop work - I have 10+ year experience in Web & App development - I will make the 100% responsive design , fast loading , SEO friendly and all - I will provide you super admin panel there you can manage the whole thing Please initiate the chat so will discuss together and all Thanks & Regards Dheeraj K.
$750 USD 12 gün içinde
7,0
7,0

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 and for web and backend on react js and node js, Python Django, Power BI, Scikit-learn, Data Science AI ML, PyTorch, TensorFlow, SparkML , java spring boot and php CodeIgniter mvc. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$1.000 USD 30 gün içinde
6,5
6,5

Hi, Your Android-first money transfer app with Microsoft Active Directory authentication is exactly the kind of secure fintech project I build. I’m Muhammad Sabih, and with 7+ years delivering production-grade mobile and web systems, I’ll deliver a robust, compliant solution from day one. What I will deliver: ⭐ Android app (Kotlin or Flutter) with Transferencias, Pago de servicios, and Consulta de saldo ⭐ OAuth2 / OIDC AD integration respecting group policies and token-based sessions ⭐ Secure REST/GraphQL API with end-to-end encryption and audit trails ⭐ Lightweight web portal for real-time monitoring, user suspension, and limits management ⭐ Handoff & docs — build instructions, API docs, and a short walkthrough video I prioritize security, PCI-aware practices, and clean, well-documented code. If that fits, let’s map milestones and start planning delivery.
$750 USD 7 gün içinde
6,1
6,1

Hello, I specialize in building secure, transactional Android applications and admin portals that comply with strict financial and enterprise security standards. For your project, I can deliver a Kotlin-based Android app integrating OAuth 2.0 / OpenID Connect with Microsoft Active Directory, ensuring logins respect existing group policies. Core features like money transfers, bill payments, and balance inquiry will be fully functional from day one. The web portal will consume the same secure REST/GraphQL APIs, providing real-time transaction monitoring, aggregated balance views, and admin controls (user suspension, limits management). All communications will use end-to-end encryption, token-based sessions, and detailed audit logging to comply with PCI-like security guidelines. I ensure clean, maintainable, and well-documented code, along with build instructions, API documentation, and a Loom walkthrough for smooth handoff. I can also help plan milestones for phased delivery, starting with core transactional features and extending to monitoring and admin tools.
$1.125 USD 7 gün içinde
6,6
6,6

Hello, I am a Mobile App Developer with 15+ years of experience, specializing in building high-quality, user-friendly, and feature-rich applications for both Android and iOS platforms. I create apps with modern UI/UX, smooth performance, and cross-platform compatibility to ensure the best user experience. My expertise includes custom mobile apps, API integration, push notifications, real-time features, and app optimization. Recently, I also worked on OpenAI API integration for auto-generated content, images, and social sharing, which shows my ability to adopt the latest technologies in mobile solutions. If you are looking for a dedicated Mobile App Developer who ensures quality, innovation, and timely delivery, I’d be glad to work on your project. Best regards Yk
$750 USD 7 gün içinde
5,8
5,8

Hi, I can develop your secure Android application with core features including money transfers, bill payments, and balance inquiries, fully integrated with Microsoft Active Directory for OAuth 2.0/OpenID Connect authentication and adherence to existing group policies. The app will be built with Kotlin to ensure native performance, secure token-based sessions, and end-to-end encryption for all sensitive transactions, while maintaining PCI-like compliance and detailed audit trails. Alongside the mobile app, I will create a lightweight web portal to monitor transactions in real time, view aggregated balances, and manage users with actions like suspensions or limit adjustments, consuming the same secure API as the mobile app. All code will be clean, well-documented, and delivered with build instructions, API documentation, and a Loom walkthrough for easy handoff. My experience with transactional fintech apps ensures reliability, security, and scalability from day one. Best, Justin
$1.500 USD 10 gün içinde
5,9
5,9

Hi there , A secure Android app with smooth money transfers, bill payments, and balance checks needs a solid foundation, and your focus on AD-based authentication and strict policy control sets the tone. Your requirement for real-time oversight through a lightweight web portal makes the stack integration even more important. I have shipped multiple fintech apps with Kotlin and Flutter using OAuth2 and OIDC against enterprise identity systems, plus dashboards that track live transactions and enforce admin rules. I follow PCI-style patterns with encrypted traffic, token lifecycles, and full audit trails. I can deliver a clean codebase, shared APIs for both clients, and a clear handoff with builds, docs, and a final walkthrough. Would you prefer Kotlin or Flutter for long-term maintenance? Do you already have API specs or should I help define them before we lock milestones?
$1.250 USD 14 gün içinde
6,0
6,0

⭐⭐⭐⭐⭐ Build a Secure Android App for Easy Money Transfers and Monitoring ❇️ Hi My Friend, I hope you are doing well. I've reviewed your project requirements and see you are looking for a skilled developer to build a secure Android application for money transfers. You need not look further; Zohaib is here to help you! My team has successfully completed over 50 similar projects in fintech applications. I will create a user-friendly app with features like money transfers, bill payments, and balance inquiries while ensuring secure user authentication through Microsoft Active Directory. ➡️ Why Me? I can easily create your secure Android app as I have 5 years of experience in mobile app development, specializing in fintech solutions, API integration, and user authentication. My expertise includes Kotlin, Flutter, and secure coding practices. Additionally, I have a strong grip on REST/GraphQL API development and real-time data monitoring, ensuring a robust solution for your project. ➡️ Let's have a quick chat to discuss your project in detail. I can provide samples of my previous work, showcasing my experience with similar applications. Looking forward to connecting with you! ➡️ Skills & Experience: ✅ Android Development ✅ Kotlin Programming ✅ Flutter Development ✅ API Integration ✅ OAuth 2.0 / OpenID Connect ✅ Real-time Data Monitoring ✅ Secure Coding Practices ✅ User Authentication ✅ Database Management ✅ End-to-End Encryption ✅ Documentation
$900 USD 2 gün içinde
6,2
6,2

Hi Geovanny, I’ve read your project details carefully and am confident in delivering a secure Android app with money transfers, bill payments, and balance checks integrated with Microsoft Active Directory using OAuth 2.0/OpenID Connect. I have strong experience with Kotlin and Flutter and can develop the mobile app and a lightweight web portal that shares the same secure API, ensuring end-to-end encryption, token handling, and PCI-compliant audit trails. I’ll provide clean, well-documented code and a smooth handoff including build instructions and a video walkthrough.
$1.000 USD 7 gün içinde
5,6
5,6

With a strong focus on mobile application development and API integration, our team at SoftwareLinkers is poised to excel at your project. We have a proven track record of delivering feature-rich fintech apps like yours, ensuring efficient and secure financial transactions. We've developed software for various industries such as Schools, Offices, Insurance Agencies; therefore, understand the significance of clean and well-documented code just like you do. Utilizing our skill set in Android development, we can build your financial app utilizing Kotlin or Flutter languages as per your requirement. I assure you that security won't be compromised; we'll ensure end-to-end encryption for sensitive data, use token-based session handling and provide audit trail compliant with the best practices like PCI guidelines. We also have experience integrating apps with Microsoft Active Directory via OAuth2.0 / OpenID Connect and respecting group policies. Moreover, not only do we excel in mobile app development but we are also proficient in creating web portals. Using a stack that aligns with your requirements, we will create an intuitive and lightweight web portal for transaction monitoring and administrative tasks. Our commitment to providing comprehensive handoff includes proper documentation, build instructions, API documentation, and if needed Loom video walkthrough. So let's collaborate on this project to take your business one step ahead!
$1.400 USD 28 gün içinde
5,9
5,9

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