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I’m building a personal trading companion for Android that lets me size positions before I press “buy”, jot every trade into a structured journal, review my discipline with clear statistics, and keep an eye on total portfolio risk—all without ever sending a single byte to the cloud. Everything lives locally on-device, and the experience has to feel instant, smooth, and pleasant enough for multiple check-ins a day. Core flow • Position-size calculator → user keys in entry, stop, risk % and the app returns exact quantity. • Trade journal → fast form to log entry, exit, notes, screenshots (stored locally). • Performance dashboards → offline calculations of win rate, expectancy, drawdown, etc., with lightweight charts that render fluently even on older phones. • Portfolio risk monitor → aggregates open positions so I can see current exposure at a glance. Key principles • Works entirely offline; no login, no accounts, no personal data collection. • Minimalist, clean UI—the design should disappear so the data stands out. • Lightweight APK, rapid startup, 60 fps scrolling. • Developed for Android first; Kotlin + Jetpack Compose/Material 3 and Room or an equally efficient local db are perfect fits, but I’m open to your preferred stack as long as performance and privacy remain top priority. Timeline I’d like a first usable build ASAP, with iterative polishing afterward. Once we agree on terms, I’ll share a detailed specification and technical scope document to guide development and ensure we stay aligned. Deliverables 1. Production-ready APK and signed AAB. 2. Source code with clear comments and build instructions. 3. Brief hand-off video or call walking through architecture, storage schema, and how new analytics can be slotted in later. If you have prior experience with trading apps, offline-first data design, or crafting sleek Compose interfaces, I’d love to see it. Let’s create a tool traders can trust every single day.
ID do Projeto: 40284705
17 propostas
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Ativo há 6 dias
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17 freelancers estão ofertando em média ₹26.014 INR for esse trabalho

Hi 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. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹25.000 INR em 7 dias
6,6
6,6

Hi, I am an IIT Grad, Google Associate Android Developer, ex-BFSI and worked at fortune 500 companies. I will make it a reality for you. As a Mobile App Developer, I can develop a native Android application using Kotlin with local storage for offline data management, utilizing Android's built-in SQLite database and caching mechanisms for instant performance. Kindly click on the chat button so we can discuss and get started. Will share you my prior projects done and my resume too. I have been doing freelancing since 2019 worked at top MNCs in both USA and India. Lets connect
₹12.500 INR em 7 dias
3,8
3,8

As a seasoned Full-Stack Developer, my 9+ years of experience have equipped me with the skills needed to tackle your project head-on. I specialize in Flutter and React Native, giving me the aptitude to build high-performance, cross-platform mobile trading apps for Android – like the one you're envisioning. Moreover, I've developed an appreciation for comprehensive offline-first data design through various past projects. I understand that data integrity and privacy are sacred to traders, and it is of utmost importance that their crucial information stays completely secure. Rest assured that with my rigorous attention to detail and strong comprehension of performance optimization techniques, your users will benefit from real-time calculations on positions without sacrificing any privacy concerns. Lastly, I'm a proponent of continuous improvement. Building a trading companion isn't just about meeting the initial needs but also about evolving with emerging trends in the industry. My commitment to using the latest technologies while maintaining compatibility with older devices would ensure that your application remains fluid even on aged phones while providing opportunities to incorporate future analytics effectively. With me onboard, you can trust your project in capable hands. Let's hit the ground running!
₹35.000 INR em 7 dias
3,9
3,9

Hello, I am interested in your project, Offline Trading Journal App - 08/03/2026 project. I've successfully completed projects involving Mobile App Development, iPhone, Android before. Happy to discuss the details whenever works for you.
₹12.500 INR em 7 dias
3,3
3,3

With 8+ years of hands-on experience building high-performance Android apps, I can develop your offline trading journal to be fast, smooth, and fully private while letting you size positions, log trades, track performance, and monitor portfolio risk without sending a single byte to the cloud. I have maintained 5 star client ratings and a 100 percent job success record because I focus on clear communication, reliable delivery, and high-quality work that clients can trust. I will use Kotlin with Jetpack Compose and Room or an equally efficient local database to create a minimalist, fluid UI that keeps data front and center, ensures rapid startup, and renders dashboards at 60 fps even on older devices. You will receive a production-ready APK and signed AAB, complete source code with clear comments and build instructions, and a short walkthrough explaining the app structure and how to extend analytics in the future. Working with me guarantees a secure, polished, and dependable trading companion that you can rely on every day. Warm Regards, Kiran S.
₹25.000 INR em 7 dias
2,0
2,0

From your project description, you need an Android trading companion app that operates fully offline with a smooth, minimalist UI, enabling position sizing, trade journaling, performance tracking, and portfolio risk monitoring. You want everything stored locally with instant responsiveness and no cloud dependencies, which is essential for privacy and speed. I have over 15 years of experience delivering mobile apps with strong database design and data visualization, having completed more than 200 projects. My expertise includes Android development using Kotlin, Jetpack Compose, and Room database, which perfectly aligns with your requirements for a lightweight, performant app that supports complex offline calculations and fluid UI. For your app, I will build a clean, fast interface with Compose and implement Room for efficient local storage of trades, screenshots, and statistics. I’ll ensure 60 fps scrolling and rapid startup, focusing on offline-first architecture to handle position sizing and portfolio risk aggregation seamlessly. I can deliver a first usable build quickly and refine it iteratively based on your feedback. Let’s discuss your detailed specification so we can align on the technical scope and start building a reliable trading tool you can trust daily.
₹13.750 INR em 7 dias
2,5
2,5

Hi there, Your vision for an offline, instant, and private trading journal is incredibly appealing. I deeply appreciate your focus on performance, clean UI, and data privacy – principles I excel at delivering. While my core expertise is in robust web front-ends (ReactJS, NextJS) and backend systems (Django, Firebase), my strong UI/UX background (Figma) ensures the clean, disappearing design you desire. My experience with efficient data structuring directly translates to building a responsive, local-first app. I'm eager to apply my skills to bring your Android companion to life with the speed and quality you expect. Let's discuss your detailed specs to align on a path forward. Regards, Nikhil Chandra Roy
₹25.000 INR em 7 dias
1,4
1,4

As a seasoned Full Stack Developer, Mobile App guru and Trading App enthusiast, I'm the ideal candidate for your project. With over 6 years of experience in delivering top-notch digital solutions, my proficiency covers all aspects of your Offline Trading Journal App requirements. My knowledge of Kotlin, Jetpack Compose/Material 3 and Room meets your preferred stack for developing an efficient local db, ensuring we place optimal emphasis on your app's performance and privacy — cornerstones to this project. Our strong match transcends the technical as my intrinsic understanding of traders' needs underscores the significance of your trading companion being sleek, smooth and trustworthy. I note your emphasis on well-documented code, clear instructions, alongside a hand-off video or call which speaks to my commitment to delivering a comprehensive package. Traders need a tool they can confidently interact with regularly; delivering on this crucial point is where my expertise in UI/UX design pairs beautifully with Android development and trading apps come into play. Together, let’s craft an offline solution that simplifies decision-making and emphasizes data — one that traders can connect with daily.
₹25.000 INR em 7 dias
0,4
0,4

Hi! I'm a fullstack and mobile app developer with strong Android experience in Kotlin and Jetpack Compose — exactly the stack you've outlined. I've built offline-first, data-heavy Android apps with Room/SQLite before, so I fully understand the importance of zero cloud dependency, snappy performance, and clean UI. My approach for your app: - Position-size calculator: Real-time quantity calculation using ViewModel + StateFlow - Trade journal: Fast-entry form with Room storage, screenshot capture, and structured fields - Performance dashboards: On-device calculations (win rate, expectancy, drawdown) with lightweight charts - Portfolio risk monitor: Aggregated exposure view with no network calls, ever UI will follow Material 3, APK will be lightweight, 60fps smooth. Deliverables: Production APK + AAB, clean source code with build instructions, and a brief walkthrough call on architecture. I'd love to see your detailed spec doc to align on scope. Ready to start immediately — let's build something traders can rely on every day!
₹25.000 INR em 14 dias
0,0
0,0

I see you’re looking for a smooth, offline-first Android app with a clean, minimalist design that prioritizes performance and privacy. Your focus on instant responsiveness and user-friendly flows like position-sizing and trade journaling stands out. I specialize in building modern, high-quality apps and websites with strong UI/UX, responsive designs, and interactive elements. While I am new to Freelancer, I have several years of experience building professional websites and working on real projects outside the platform. I would be happy to discuss the details and get started. Regards, Manny
₹28.150 INR em 30 dias
0,0
0,0

I am a perfect fit for your project because you need a clean, professional, and user-friendly Android app that operates entirely offline, with seamless position-sizing, journal entries, performance dashboards, and portfolio risk monitoring. I appreciate your emphasis on a minimalist, lightweight design that feels instant and smooth for frequent use. With expertise in Kotlin, Jetpack Compose, Room, and offline-first architectures, I excel at building integrated, automated solutions that prioritize privacy and performance. While I am new to freelancer, I have tons of experience and have done other projects off site. I would love to chat more about your project! Regards, Tariq Adams
₹28.150 INR em 30 dias
0,0
0,0

If you looking for someone who won't waste your time, I'm your guy, I’ve completed similar projects like this in the past before. I have the best expertise required to help you build a clean, professional, user-friendly Android trading companion that works seamlessly offline. You can check my profile portfolio for samples demonstrating my experience with offline-first data design and performant Kotlin/JCompose apps. I understand your need for a minimalist, lightweight app with instant, smooth interaction, especially with features like position-size calculation, structured journaling, performance dashboards, and portfolio risk monitoring, all without ever sending data to the cloud. Your projects in good hands with me, I bring strong experience and the skills needed to deliver the best possible outcome for your project. For a limited time, I am offering a lower rate in exchange for a great star rating once you are satisfied with the completed work. My focus is not on profits, but on delivering high quality work and clear communication to ensure you are fully satisfied. A combination you won't find easily these days! Feel free to reach out, I'd love to chat more about your project with you and the worst thing that could happen is you walk away with a free consultation. Look forward to hearing from you. Regards, Storm
₹28.150 INR em 30 dias
0,0
0,0

Hi, An offline trading companion like this works best when the app is lightweight, fast, and designed around clean local data architecture. I can build a smooth Android app that handles position sizing, journaling, and performance analytics entirely on-device. Proposed architecture: Frontend • Kotlin + Jetpack Compose (Material 3 UI) • Minimalist design optimized for frequent use Local Storage • Room database for trade records, notes, and screenshots • Indexed queries for fast analytics Core Modules Position Size Calculator • Entry, stop, risk % → quantity calculation Trade Journal • Structured trade form • Local screenshot attachment Performance Dashboard • Win rate, expectancy, drawdown • Lightweight charts for smooth rendering Portfolio Risk Monitor • Aggregate open trade exposure Deliverables include APK/AAB build, full source code, and a walkthrough of the architecture so future analytics modules can be added easily. Happy to review your detailed specification and start building the first version quickly.
₹32.000 INR em 14 dias
0,0
0,0

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