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I want to release a Google-Play trading app that runs both crypto and forex pairs using DCA and grid logic. The engine must let a user stack incremental buys or layered limit orders, then close everything automatically with configurable stop-loss / take-profit targets. Beyond the core strategy, I need solid risk-management controls (max drawdown limits, exposure caps, etc.), a subscription tier handled through Google Play Billing, and a secure way for each trader to plug in their own exchange or broker account with API keys. All keys have to stay encrypted on-device and never touch an external server. Interface wise, think simple: pair selection, parameter sliders, live PnL, and a log of executed orders. The app has to run smoothly on modern Android versions and be ready for submission to the Play Store, including compliance items such as privacy policy links and a working demo for review. Deliverables I’ll sign off on: • Production-ready APK + source code (Java/Kotlin or a performant cross-platform stack is fine) • Tested integrations with at least one major crypto exchange (e.g., Binance) and one forex broker (e.g., OANDA) • In-app subscription flow with a sandbox test showing renewals and cancellations • Brief setup/run manual and stripped-down UML or flow chart that documents the trading logic If you have a proven track record building automated trading tools and can get this through Play Store review, let’s talk timelines and milestones.
Project ID: 40657462
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40 freelancers are bidding on average ₹9,564 INR for this job

Hi there, I understand you need an Android trading application that combines crypto and forex trading with DCA and grid strategies. This requires a sophisticated backend system with real-time market data integration and complex order management logic. My approach involves building a robust Kotlin-based Android application with secure API connections to multiple trading platforms. The grid bot will implement incremental buy stacking with configurable parameters for position sizing, stop-loss, and take-profit levels. I'll integrate reliable market data feeds and create an intuitive interface for users to manage their trading strategies. The architecture will include secure authentication, encrypted data storage, and real-time synchronization capabilities. I'll ensure compliance with Google Play policies while implementing comprehensive error handling and risk management features. The system will support multiple broker APIs, provide detailed trade analytics, and offer customizable grid configurations. Performance optimization will be crucial for handling simultaneous crypto and forex pair operations. Best Regards, Khorshed Alam, RS Software
₹4,250 INR in 8 days
9.5
9.5

With experience in developing trading apps, I understand your need for a Google Play trading app that handles crypto and forex pairs using DCA and grid logic. My similar past work includes integrating complex trading strategies and risk management features. Question: Have you considered any specific encryption methods for storing API keys securely on the user's device? I look forward to discussing further how we can ensure a smooth and secure trading experience for your app users. Regards, Yogesh Kumar
₹3,710 INR in 9 days
8.4
8.4

Hello!! Your Android trading application can be built with reliable DCA and grid strategies, automated stop-loss and take-profit controls, strong risk limits, encrypted on-device API keys, live trading information, subscriptions, and tested exchange and broker integrations. • Which crypto exchange and forex broker should be prioritized? • Do you already have the exact DCA and grid rules defined? • Do you have an existing Google Play developer account? Relevant trading applications have been developed with secure API integrations, automated order workflows, risk controls, real-time data, and Android interfaces. The architecture will keep sensitive keys strictly on-device while providing clear trading logs and reliable strategy execution. Let us discuss the trading logic, integrations, and milestones in chat. Best regards Farhin B
₹7,000 INR in 7 days
6.9
6.9

Hello, We would be glad to support you with this project. Protovo Solutions LLP provides reliable virtual assistance, data entry, research, and remote business support services to clients worldwide. Our team can handle both short-term assignments and ongoing support with accuracy, confidentiality, and clear communication. Our services include: • Data entry, data cleaning, and data formatting • Web research and information collection • Excel, Google Sheets, and document management • CRM data entry and database updates • Lead generation and contact-list building • Email and calendar management • Product listing and e-commerce support • Social media and content assistance • Customer and administrative support • Bookkeeping and accounting assistance • PDF conversion, copy-paste, and file organization • AI-assisted research and repetitive task automation We follow clear instructions carefully, provide regular progress updates, and review the completed work before submission. Our team can also adapt to your preferred tools, processes, working hours, and reporting format. Protovo Solutions LLP has been serving global clients since 2016 and has earned more than 100 client reviews on Freelancer. Please connect with us through chat to discuss the work. We can review your requirements and start with a small task or milestone before moving to the complete assignment. Kind regards, Protovo Solutions LLP
₹12,500 INR in 7 days
6.8
6.8

As a seasoned multi-platform developer, my deep understanding of Android and experience in C# programming makes me the most suitable candidate to build your Android Crypto-Forex Grid Bot. With a career spanning over 17 years, I have specialized in developing automated trading tools similar to what you envision. My expertise in Crypto Currency and Stock Trading software development marries well with your project requirements. Not only can I deliver a well-crafted app that runs smoothly on modern Android versions, but I can also ensure its submission to the Play Store by complying with all necessary regulations such as privacy policy links and providing a working demo for review. Furthermore, my team and I can provide a secure way for each trader to utilize their API keys, ensuring that these encrypted keys never leave their device. Ultimately, what sets me apart is my unwavering dedication to client satisfaction, alongside my round-the-clock availability. With unbeatable prices and top-rate services backed by my extensive tenure in the industry, you won't find a more qualified match for your job. Choose me, and let's bring this ingenious grid bot from concept to reality.
₹7,000 INR in 7 days
6.4
6.4

I can create a Google Play trading app that implements DCA and grid logic for crypto and forex pairs. My first step will be to outline the trading logic and risk management controls, ensuring we meet your requirements for stop-loss and take-profit targets. Based in Toronto, I work efficiently and will stay available for any questions or updates throughout the project.
₹1,500 INR in 3 days
6.6
6.6

Hi, You're building an Android trading app that uses grid and DCA logic across crypto and forex, with on-device key encryption and a Play Billing-based subscription flow. I’ve shipped mobile trading tooling with exchange integrations and client-side security in production. I’d start by validating the current trade flow, secure API key handling in the Android keystore, and lightweight adapters for Binance and OANDA, followed by end-to-end tests with sandbox accounts. One technical risk / key challenge: Managing sensitive keys and one-way encryption across multiple exchange adapters on-device without leaks. Two clarification questions: What should happen if the device loses connectivity during a live grid run? How will data/state migrate between devices and be backed up? If we're aligned, I can outline the implementation plan before we get started. Best regards, Brandon
₹8,160 INR in 7 days
6.0
6.0

The key technical constraint is safely managing encrypted API keys on-device without external server interaction. This arises from the security architecture requiring zero server-side exposure. I will implement robust, native Android encryption for storage and secure key management while integrating tightly with Google Play Billing for subscription tiers. The app's incremental buy and grid logic will be built with reliable C# backend calculations to ensure deterministic order stacking and risk management. Performance and security will be validated with sandbox tests and Play Store compliance demos. What specific encryption standards or libraries do you want used for securing the API keys on-device?
₹7,770 INR in 2 days
5.6
5.6

With my extensive experience in multiple industries as a technology partner, I am well-positioned to execute your project, the Android Crypto-Forex Grid Bot app. I have a track record of turning complex requirements into efficient and scalable systems that offer long-term business growth. My knowledge in API integrations, C# programming, and mobile app development would provide the robustness and reliability your app needs. Moreover, I am up to date with relevant technologies such as PHP, Python, and React.js. This means I can build a performant solution in either Java/Kotlin or a cross-platform stack of your preference for the smooth running of your app on modern Android versions. Additionally, my skills in UI/UX design would ensure we provide an easy-to-use interface as you envisioned; highlighting pair selection, parameter sliders, live PnL and order log. Lastly, I respect the need for utmost security when handling users' data/accounts in this instance where we are dealing with sensitive information like API keys. With the use of technologies such as n8n and the skills I possess in encryption, I can guarantee that all investor API keys will stay encrypted on-device and never touch an external server. I'm looking forward to getting started on delivering beyond your expectations through timely communication and regular milestones updates.
₹1,500 INR in 5 days
5.2
5.2

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, thank you for checking my proposal and sharing the detailed project brief. I can build your trading app using Kotlin and Java with a secure, performance-optimized design. I will deliver: • Production-ready APK and complete source code • Tested integrations with major exchanges like Binance and forex brokers like OANDA • In-app subscription flow, including sandbox testing for renewals • Comprehensive setup manual and detailed UML/flow chart for trading logic • Solid risk management controls (max drawdown limits, exposure caps) You will also receive: • Full documentation on API key encryption methods and compliance requirements I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag Pipal
₹6,250 INR in 7 days
4.3
4.3

Hi there, The moment I read "Android Crypto-Forex Grid Bot", I knew it was a strong match for exactly what we do best. I love turning a solid brief like yours into a polished result you’ll be proud to put your name on. From your brief I can see this involves android, mobile app, kotlin — all areas we handle in-house. We specialise in PHP, Java, Mobile App Development, Android, which lines up directly with what you need. How we'd approach it: - Finalise the screens, user flows and feature list with you - Build smooth, native-feeling UI with clean, maintainable code - QA on real devices, then prepare and ship to the store(s) - Post-launch support and iteration once you’re live From kickoff to final handover, I’ll keep things transparent, on schedule, and squarely focused on your goals. If it helps, I can share a couple of relevant samples and a short plan before you decide. Looking forward to it! Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!
₹1,500 INR in 5 days
4.7
4.7

As a seasoned developer, I have amassed extensive knowledge and expertise in multiple programming languages, including your desired Java for Android. With a strong foundation in Android app development, I have successfully created and managed various complex applications, which you can see from my excellent track record. Notably, these applications involve robust integrations with different APIs, an area you pointed out as vital. Handling API integration smoothly will ensure a seamless working and connecting with various exchanges for your trading app is pivotal. I possess exceptional skills in identifying risks and implementing solid risk management controls - essential for any trading app. Drawing on my experience of building numerous web applications with integrated payment gateways, I can proficiently handle the subscription tier through Google Play Billing as well as ensure secure encryption of your users' API keys on-device. Privacy and security are always paramount. Furthermore, I guarantee not only a production-ready APK but also the source code – complete transparency as needed for trading tools. I will also provide tested integrations with major crypto exchanges like Binance and forex brokers such as OANDA so you can readily plug into these platforms. Rest assured, I will not only meet the project deliverables but exceed your expectations in every possible way. Let's discuss timelines and milestones to get started on this exciting project!
₹1,500 INR in 7 days
4.0
4.0

Dear Client, I can develop your Android trading app with DCA and grid trading logic for both crypto and forex pairs, including layered orders, stop-loss, take-profit, risk controls, live PnL, and order logs. I have 6+ years of experience in mobile app development and can handle secure API key storage, exchange/broker integrations, Google Play Billing, and Play Store-ready development. I can work with Kotlin/Java or a suitable cross-platform stack based on the project needs. I will also provide the source code, APK, setup manual, and trading flow documentation. I can share my relevant app work links in the chat box. Looking forward to your response on chat box. Thanks.
₹25,000 INR in 10 days
3.6
3.6

GIVE ME 30 SECONDS TO SHOW YOU WHY I'M THE RIGHT FIT FOR THIS PROJECT. I recently developed a trading app that incorporated DCA and grid logic for a client, achieving a 40% increase in user engagement within the first month of launch. With over five years of experience in building secure, automated trading applications, I have successfully integrated APIs for major exchanges like Binance and OANDA, ensuring robust risk management and user-friendly interfaces. I understand your goal is to create a reliable and seamless trading experience. I will prioritize secure API integrations and compliance with Google Play requirements, ensuring a smooth submission process. My focus is on clear communication, timely execution, and delivering a product that achieves your vision for long-term success. Let's collaborate to turn this project into a standout success. The difference between an average result and an exceptional one is usually decided before the work even begins. Regards, Patrick
₹6,250 INR in 7 days
2.7
2.7

Hello, I can develop your Android trading app with DCA/grid strategies, layered orders, configurable stop-loss/take-profit, risk controls, live PnL, and executed-order history. I can build a secure architecture for exchange/broker API integration with encrypted on-device credential storage and no transmission of API keys to an external server. I’ll integrate a major crypto exchange such as Binance and a forex broker such as OANDA, with robust API error handling and trading-state synchronization. I’ll also implement Google Play Billing subscriptions, sandbox testing for renewals/cancellations, responsive Android UI, and Play Store compliance requirements. The delivery will include production-ready source/APK, setup documentation, and a concise trading-logic flow/UML diagram, with milestone-based development and testing. Thanks and regards! Mahesh Verma Founder, Visioncraftexports
₹10,000 INR in 7 days
2.8
2.8

Hello, The important part here is keeping the trading logic reliable while ensuring the exchange and broker credentials never leave the user device. I can build the Android app around the DCA and grid engine with configurable stop loss, take profit, exposure and drawdown controls, while keeping the interface focused on pair selection, parameters, live PnL and executed orders. I can also handle the Google Play subscription flow, crypto and forex integrations, testing and Play Store preparation. I can structure the trading engine cleanly so additional strategies and exchanges can be added later without rebuilding the application. Best Regards, Faizan
₹12,000 INR in 7 days
2.3
2.3

Hi there, **Understanding of the project:** I understand you need an Android-based crypto/forex grid trading bot that can automate trades according to configurable grid strategies, while providing a clear dashboard for monitoring balances, orders, profits, and bot activity. **My Solution:** I can develop a secure Android app with configurable grid levels, buy/sell logic, automated order execution, API integration with the required exchange/broker, real-time price updates, trade history, P&L tracking, risk controls, notifications, and bot start/stop management. I’ll focus on reliable execution, API security, error handling, and a clean mobile interface. **A few questions:** 1. Which crypto exchanges and/or forex brokers need to be integrated? 2. What specific grid strategy, parameters, and risk-management rules should the bot follow? 3. Do you already have API credentials, UI designs, or an existing bot/backend to integrate? Please chat with me in the Freelancer chat so we can discuss the trading logic, integrations, security requirements, and development scope in detail. Warm Regards Amit
₹7,000 INR in 7 days
2.4
2.4

With over a decade of experience in full-stack development, API integration, and mobile app development, I am the ideal candidate to bring your Android Crypto-Forex Grid Bot project to life. My proficiency in Java, Kotlin, and C# programming gives me the flexibility to use the language you prefer without compromising on performance. As a bonus, my skills extend to SaaS platform development. This will come in handy when designing your in-app subscription flow using Google Play Billing. What stands out about my profile is my proven track record building automated trading tools. I understand the need for solid risk management controls and encryption security for traders' API keys - both of which I can guarantee will be top-notch in your app. Having integrated with various APIs before for different projects, from crypto exchanges like Binance to forex brokers like OANDA, I bring valuable experience to the table that can speed up development and testing time. Lastly, I am fully committed to delivering a production-ready APK + source code for your Android app that will sail through the Play Store review process smoothly. Beyond delivery, working together means long-term maintenance and continuous improvements - an essential promise as the market evolves - making me more than just another technical partner but a reliable support system.
₹7,000 INR in 7 days
1.6
1.6

Hi, I can build your Android trading app with a clean interface and a robust strategy engine for DCA and grid-based trading. The core engine can support incremental buys/layered orders, configurable SL/TP, exposure limits and maximum drawdown controls, with real-time PnL and an executed-order history. I’ll structure the trading logic cleanly so additional strategies and exchanges can be added later. For security, exchange/broker API credentials will remain encrypted on-device and will not be stored on an external server. I’ll also implement secure authentication, validation and safe handling of trading permissions. The first release can include tested integration with Binance and OANDA, Google Play Billing subscriptions, sandbox renewal/cancellation testing, and the required Play Store privacy/compliance setup. You’ll receive the production-ready Android build, complete source code, trading-flow documentation/UML, setup guide and testing support for Play Store submission. I can break the project into milestones covering the trading engine, exchange/broker integrations, UI, subscriptions, security and final Play Store readiness.
₹7,000 INR in 7 days
1.4
1.4

Hi There!!! i understand you are looking for an experienced developer to build a Play Store ready Android app that executes crypto and forex grid and DCA trading strategies with local encrypted API keys and Google Play Billing. I HAVE ALREADY WORKED ON SIMILAR PROJECTS Services I will provide for your project: * Custom Android development implementing grid and DCA trading logic with automated take profit and stop loss * Secure on-device encryption for trader API keys without external server dependency * API integration for crypto exchanges like Binance and forex brokers like OANDA * Google Play Billing integration for subscription management and testing * Clean UI with pair selection, live PnL tracking, order logs, and Play Store submission support Let us open a chat to discuss your strategy logic and development timeline. Best Regards, Hussain Ahmed
₹1,500 INR in 6 days
1.5
1.5

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