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Darvas Box + SIP GTT Upsert) 1. Project Overview We are building a Cross-Platform Broker Application for Rupeezy/ICICI Direct, powered by Vortex APIs and ICICI Brize APIs. The application will serve as a trading and investment platform that combines: User Management & Subscription (secure onboarding, tiered access) Trading Functionality (manual Buy/Sell + automated SIP logic) Darvas Box + SIP GTT Upsert Engine (rule-based investing) Real-Time Market Data & Notifications Reports & Dashboards (Excel/Google Sheets export) This provides users with both manual trading tools and automated breakout investing strategies under one ecosystem. 2. Objectives ✅ Enable cross-platform trading (mobile, web, desktop) ✅ Automate breakout-based SIP investing (Darvas Box + weekly highs) ✅ Simplify portfolio monitoring & reporting ✅ Ensure compliance with SEBI/NSE/BSE norms ✅ Deliver a scalable foundation for future strategy expansion 3. Scope of Work (Phase 1) 3.1 User Management & Subscription Login/registration (Email, Mobile OTP, Google SSO) Subscription plans: 1M / 3M / 6M Renewal alerts, grace period, and payment gateway integration Role-based access (free vs. paid features) 3.2 Stock Trading Input Screen Place Buy/Sell orders Input: Stock symbol, Buy Price, Quantity, Margin Paid Integrated brokerage rates: ICICI Direct → 9.65% Rupeezy → 10.99% Order validation (funds, circuit limits, stock availability) 3.3 Automated SIP Logic – Darvas Box + GTT Upsert Summary: A rules-driven SIP system that invests ₹1,00,000 split into 6 lots. Each week, for selected stocks, if the Previous Week’s High (PWH) is broken, the system creates/updates a 1-year GTT Buy Stop-Limit order. Key Features SIP Plan Management – Start, Modify, Stop, Delete Signal Engine – Detects breakouts, confirms with Darvas Box (optional) GTT Upsert Job – Create/modify GTT orders, avoid duplicates Risk Controls – Liquidity filters, circuit checks, idempotency rules Audit Logs – All calculations, orders, broker responses tracked Core Logic Detect if stock crosses Previous Week High (PWH) If valid: Trigger Price = PWH × (1 + 0.0015) Limit Price = Trigger + 0.15% buffer Quantity = Lot Size ÷ Limit Price Place/Update GTT (1-year validity) Jobs & Scheduling Weekly Build (Saturday) → Generate signals GTT Upsert → Place/modify orders Daily Reaffirmation → Ensure GTTs are active before market open 3.4 Reports & Dashboard Kharida Hua Maal → Holdings, active GTTs Bika Hua Maal → Sold stocks, P&L, brokerage, taxes Summary Report → Monthly/annual profit calculation Dashboard → Active SIPs, pending signals, P&L, quick controls Export: Excel / Google Sheets 3.5 Real-Time Updates & Alerts Market quotes via WebSockets Notifications via Webhooks Alerts for: GTT created/modified
Project ID: 39728023
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14 freelancers are bidding on average $144 USD for this job

⭐⭐⭐⭐⭐ Build a Cross-Platform Trading App with Darvas Box & SIP GTT Upsert ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you are looking for a developer to build a trading application. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for trading platforms. I will utilize Vortex and ICICI Brize APIs to create a seamless experience for users with features like user management, automated SIP logic, and real-time updates. ➡️ Why Me? I can easily build your cross-platform trading application as I have 5 years of experience in software development, specializing in trading systems, API integration, and user management. Not only this, but I also have a strong grip on database management and real-time data handling. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. Looking forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ API Integration ✅ User Management ✅ Database Management ✅ Real-Time Updates ✅ Trading Functionality ✅ Automated SIP Logic ✅ Reporting & Dashboards ✅ WebSockets ✅ Payment Gateway Integration ✅ Risk Control Mechanisms ✅ Order Validation ✅ Excel/Google Sheets Export Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.7
7.7

Hello! I’m excited about the opportunity to work on the Cross-Platform Broker Application for Rupeezy/ICICI Direct. With extensive experience in developing trading applications and integrating financial APIs, I am well-equipped to tackle this project. Previously, I developed a trading platform that integrated various market data APIs, enabling users to execute trades and monitor their investments seamlessly. This project involved implementing user management, real-time market data feeds, and automated trading strategies, which aligns closely with your requirements. For your project, I envision a technical plan that includes the following steps: 1. Establish user management with secure logins and tiered subscriptions. 2. Develop the trading functionality with order validation and brokerage integration. 3. Create the Darvas Box + GTT Upsert engine to automate SIP investing based on market signals. 4. Implement reporting features with export capabilities to Excel and Google Sheets. 5. Set up real-time updates and alerts for user actions. I would love to discuss this project further and explore how I can contribute to its success. Best regards, Damandeep Singh
$140 USD in 7 days
5.3
5.3

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on Java, Python, Website Design, Golang, Web Services Please come over chat and discuss your requirement in a detailed way. Thank You
$140 USD in 2 days
4.0
4.0

Hi, Jay I’ve gone through your project description and feel confident that I’m a strong match for your needs. I recently completed a similar project just a month ago. My background covers Java, Python, Website Design, Golang, Web Services. Please come over chat and discuss your requirement in a detailed way. Thank You
$130 USD in 7 days
3.4
3.4

As a Senior Full-Stack Developer with over 8 years of experience, I offer the perfect blend of technical mastery and a user-centric approach that aligns well with your project's goals. I specialize in creating scalable applications combining frontend and backend technologies, making me an ideal fit for your cross-platform Stock Trading Broker App. My proficiencies with languages like Java and Python, combined with my knowledge of modern frameworks like Laravel, React, and databases such as PostgreSQL will enable me to develop the robust functionalities required for seamless trading experiences. My extensive work involving complex data management systems makes me particularly suitable for your project's requirement in the 'Automated SIP Logic – Darvas Box + GTT Upsert' section. My experience setting up automated systems closely complements this objective, while my skill set encompassing websockets and webhooks aligns perfectly with your need to deliver real-time market updates and alerts.
$140 USD in 7 days
3.4
3.4

Hello, Jay D. ! Thanks for posting the job "Stock Trading Broker App & Automated Strategies -- 3 ". I have the necessary skills, knowledge and expertise to help you complete your project and have successfully done very similar project 2 weeks ago. I'm available to start immediately and can deliver you of high-quality work delivered with fast speed and efficiency. Let's have a brief call or chat soon to discuss further details. Looking forward to working with you! Best regards, William
$180 USD in 6 days
3.6
3.6

Hello Jay D., I’ve been working with Java, Python, Website Design, Golang, Web Services for over 7 years, and I love helping people bring their ideas to life. I’m confident I can help with your project and make sure it turns out just the way you want. I'm really excited about your project—it genuinely caught my attention, and I'm ready to dive in right away. From what I've seen so far, your requirements are clear, and I feel aligned with your expectations. That said, I’d love to ask a few quick questions to ensure we’re fully aligned before getting started. I’m excited to work with you and make this project awesome! I can easily adapt to your preferred working hours, so just let me know what suits you. Talk soon, Cheers Liam
$180 USD in 7 days
2.8
2.8

I am a seasoned software developer with 13 years of experience, holding a degree from IIT Delhi. My expertise aligns perfectly with the required skills for your project. I have successfully delivered complex solutions across diverse domains with a focus on quality and scalability. I bring strong problem-solving ability, hands-on technical depth, and client-centric delivery. I am confident I can add value to your project and deliver results within timelines
$140 USD in 7 days
0.4
0.4

Hello Jay D., We are eager to seize this opportunity and will work diligently until you are 100% satisfied with our results. We did the same work 3 months ago. We are an expert team which have many years of experience on Java, Python, Website Design, Golang, Web Services Please join me in chat so we can discuss your requirements in detail. Regards
$130 USD in 7 days
0.0
0.0

As an experienced Python developer with a robust and adaptable skillset, I’m confident that I can not only help build your Stock Trading Broker App but also implement its key functionalities, including the Darvas Box + SIP GTT Upsert Engine. With my strong background in both frontend and backend technologies, I can provide a full-stack approach that ensures seamless integration across the many components of your project. Throughout my career, I have successfully tackled complex projects by combining rule-based investment strategies with real-time data analysis and manipulation – all critical elements for the success of an application like yours. My past experience with trading platforms has given me deep insights into compliance requirements and market data handling, ensuring that your platform is not only powerful but also completely aligned with SEBI/NSE/BSE norms. What truly sets me apart is my drive to always improve my skills and evolve alongside the ever-changing tech landscape. This means your project will benefit from not just current best practices, but also cutting-edge innovations. Furthermore, being a dedicated problem-solver, I'll spearhead the development of GTT Upsert Job to create/modify GTT orders without complications and avoid duplicates Lojualgorithms complexity at bay. So let's join forces and create a scalable foundation for future strategy expansion within a secure-user friendly ecosystem.
$140 USD in 7 days
0.0
0.0

I have strong expertise in delivering high-quality solutions within deadlines. Your project requirements will be handled with full attention and precision. I ensure clear communication, reliable updates, and timely completion.
$100 USD in 5 days
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