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I need a browser-based interface that mirrors TradingView’s on-chart buy/sell ticket, but for one-day-to-expiry option contracts traded through my Robinhood account. The entire front end must be written in JavaScript; I am open to plain JS with HTML/CSS or any lightweight framework you find suitable, as long as load time stays snappy and the code remains readable. Core workflow • The chart streams the underlying’s price in real time. Alongside it, a live panel shows the option’s mark, updating tick-by-tick so gains and drawdowns are obvious at a glance. • A single click on Buy or Sell instantly purchases or shorts the option strike closest to the current underlying price (always 1 DTE). After entry, an ❌ beside the position lets me close it just as quickly. • Behind the scenes, every ticket action calls the Robinhood API to create or close the trade. I will supply my credentials and any necessary tokens; you handle authentication, order submission and error handling. Acceptance criteria 1. Web page loads in any modern desktop browser with no additional install. 2. Price feed and P/L values update in near-real time (<250 ms perceived delay). 3. Buy/Sell executes the correct 1 DTE strike and immediately reflects the opened position. 4. Clicking ❌ sends the close order, removes the position from the list and freezes further updates for that trade. 5. Clean, well-commented JavaScript source plus a short README explaining setup, API keys and how to switch to paper trading if needed. 6. Must be very fast and provide speed test. 7. Must be private access. this should not be open to the web. Will require a log in or something to access it. must have 2 factor authentication. 8. I do not need charting either. If this sounds clear, let me know any external libraries you’d like to pull in for the charting or WebSocket feed so I can approve them before you start.
ID do Projeto: 40396350
158 propostas
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Ativo há 17 dias
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158 freelancers estão ofertando em média $439 USD for esse trabalho

Hello, I’ve reviewed your Real-Time Options Trading Frontend requirement, and it’s a clear and interesting low-latency trading interface project. I have strong experience building fast, browser-based trading dashboards with real-time data streams, WebSocket integrations, and API-driven order execution flows. I can build this using lightweight JavaScript (vanilla or minimal framework) with a focus on speed, clean architecture, and maintainability. I can implement: Real-time underlying price + option mark updates (<250ms target) TradingView-style buy/sell ticket UI 1 DTE strike selection logic Robinhood API integration for order placement/closing Instant position management with close (❌) functionality Clean JS code with comments + setup README Basic performance testing/latency checks I’m flexible with charting libraries (TradingView Lightweight Charts or similar) and WebSocket data feeds, as long as you approve them beforehand. Budget and timeline can be discussed further based on API access details and final scope. Looking forward to working on this. Warm regards, Harpreet Singh
$250 USD em 5 dias
9,4
9,4

Hi, This is Elias from Miami. I checked your project description and understand you’re looking to create a browser-based interface that mirrors TradingView’s on-chart buy/sell ticket for one-day options trading. I have experience building similar trading platforms and understand the key technical challenges involved. To approach this, I would focus on creating a responsive and intuitive UI using JavaScript, HTML, and CSS, ensuring smooth API integration for real-time data and user interactions. I’d be happy to go through the details and suggest the best technical approach. I have a few questions to get a better understanding: Q1 – What specific features do you want the buy/sell ticket to have? Q2 – Are there any existing APIs you plan to integrate with for the trading data? Q3 – What user roles do you envision, and will there be any authentication requirements? Looking forward to hearing from you.
$500 USD em 5 dias
8,0
8,0

Hi, I understand you need a private fast trading interface that executes 1 DTE options instantly with real time price updates and one click buy sell control. I will build with this: • Build a lightweight JavaScript interface with real time streaming panel and instant order execution for 1 DTE option contracts. • Create secure backend in Node.js to handle Robinhood authentication order routing and live position tracking. • Add private login with 2FA plus paper trading mode and locked access system for security. This will give you a fast execution tool with near real time pricing and instant trade control directly from browser and I have built low latency trading dashboards and API driven execution systems with secure backend integration. Let me know, Do you want Robinhood handled directly or should I build a safer brokerage abstraction layer for stability? I can start immediately, So let's have a quick chat. Let’s build a fast private execution system focused on speed and accuracy. Thanks.
$500 USD em 7 dias
7,5
7,5

⭐⭐⭐⭐⭐ Create a Fast Trading Interface for One-Day Options with Robinhood ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you are looking for a browser-based trading interface. You have no need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for trading applications. I will create a user-friendly interface that mirrors TradingView’s buy/sell ticket, ensuring real-time updates and smooth functionality. ➡️ Why Me? I can easily build your trading interface as I have 5 years of experience in web development, specializing in JavaScript, HTML, and API integration. My expertise includes creating responsive designs, optimizing performance, and ensuring security. Not only this, I have a strong grip on authentication processes and error handling, which are crucial for your project. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I look forward to discussing this with you in our chat. ➡️ Skills & Experience: ✅ JavaScript ✅ HTML/CSS ✅ API Integration ✅ Real-Time Data Streaming ✅ User Authentication ✅ Error Handling ✅ Performance Optimization ✅ WebSocket Implementation ✅ Responsive Design ✅ Version Control (Git) ✅ Debugging ✅ Clean Code Practices Waiting for your response! Best Regards, Zohaib
$350 USD em 2 dias
7,7
7,7

Woah Hello, It sounds like you’re looking for a user-friendly browser interface that resembles TradingView’s buy/sell ticket for trading one-day-to-expiry options through your Robinhood account. I can create a real-time chart that streams the underlying asset's price, along with a live panel to track the option's performance. The design will allow for quick buying, selling, and closing of trades, all while communicating seamlessly with the Robinhood API. With 7+ years of experience in JavaScript, HTML, and CSS, I’ve built similar applications that prioritize speed and usability. I’ll ensure the interface is clean, responsive, and easy to navigate, meeting all your acceptance criteria, including quick updates and clear code documentation. Looking forward to bringing your vision to life! Best regards, Ivan Mandinski
$250 USD em 7 dias
7,4
7,4

Hi I can build a fast browser-based JavaScript trading interface that mirrors TradingView-style on-chart buy/sell actions for 1 DTE options. The main technical challenge is safely connecting real-time price feeds, option chain selection, P/L updates, and Robinhood order execution without latency or incorrect strike selection. I’ll solve this with lightweight JavaScript, WebSocket-based market updates, clear order-state handling, and strict validation before submitting buy, sell, or close orders. The system can automatically identify the nearest strike, display live mark price, track open positions, and freeze closed trades after execution. I can use a lightweight charting library such as Lightweight Charts, with API/authentication logic isolated from the UI for cleaner maintenance. I’ll also include error handling, paper/live mode switching, commented source code, README setup instructions, and speed test results. My focus will be speed, reliability, clean UI, and safe order-flow handling. Thanks, Hercules
$500 USD em 7 dias
7,1
7,1

Hello, I can build a lightweight JavaScript interface that gives you a fast and clean TradingView‑style buy/sell ticket for your 1‑DTE Robinhood options. I’ll keep the code readable and focused on snappy updates so your chart, marks, and P/L stay responsive. I’ve worked with real‑time WebSocket feeds and trading APIs, so wiring instant Buy/Sell actions and the close‑trade ❌ will be straightforward while keeping the interface simple and smooth. I’ll make sure setup, API keys, and switching to paper mode are clearly explained. Thanks, Teo
$300 USD em 5 dias
6,8
6,8

Hi, I will create a real-time options trading frontend for your Robinhood account, allowing for instant buy/sell actions with one click. The interface will mirror TradingView's on-chart ticket for one-day-to-expiry option contracts, providing a snappy and readable experience. You will receive a browser-based interface written in JavaScript, ensuring real-time updates of the underlying's price and option's mark. Each ticket action will seamlessly interact with the Robinhood API for trade execution, authentication, and error handling. I will handle all aspects of the project personally, keeping you updated throughout the process. Can you share any preferences for external libraries to enhance charting or WebSocket feed for approval? Let's chat further so I can give you a proper timeline and get things moving.
$250 USD em 2 dias
6,6
6,6

Hi there, I understand you want a fast, browser-based Real-Time Options Trading Frontend that mirrors TradingView’s feel but specifically for 1 DTE options on a Robinhood account. I’ll build a lean, readable JavaScript frontend (no install needed) with a real-time price stream and a live P/L panel; a single Buy/Sell click will place the closest 1 DTE strike, and an ❌ will close the position and freeze updates. The app will handle authentication, order submission, and error handling with secure token usage you provide, while keeping the UI snappy and easy to audit. Code will be clean, well-commented, and accompanied by a concise README on setup and how to switch to paper trading if needed. I will propose lightweight charting/WebSocket options after your go-ahead and ensure sub-250 ms update latency, fast load, and clear speed testing. What external libraries (for charting or WebSocket feeds) would you approve to use for this project? Best regards, Shamshad
$750 USD em 15 dias
6,7
6,7

Hello! | Building a real-time trading interface demands precise, latency-free updates that mirror market activity instantly. | A hidden challenge is syncing buy/sell tickets with live chart data without overwhelming the UI or causing delays. | With our 4+ years of experience using Vue.js and React.js, we’re confident in delivering a seamless tradingUI like TradingView’s. | How do you plan to handle trade execution logic and real-time data feeds on your backend? | Let’s discuss your requirements in detail and start crafting your frontend solution today!
$638 USD em 7 dias
6,8
6,8

Hi, I am Nabeel Abid, a software engineer with 10+ years of experience in web and software development. I have a deep understanding of both front-end and back-end technologies, allowing me to create robust applications that deliver seamless user experiences. My expertise encompasses languages like JavaScript, Python, and Java, along with frameworks such as React and Node.js. I have successfully led numerous projects from conception to deployment, ensuring that all deliverables meet client requirements and timelines. I pride myself on being detail-oriented and always maintain clear communication with stakeholders. I am confident that my skills and experience make me a great fit for your project, and I am eager to contribute to your team’s success with reliable and innovative solutions. Looking forward to the possibility of working together. Regards, Nabeel Abid
$675 USD em 5 dias
6,5
6,5

Hello!! " Real-Time Options Trading Frontend "I have similar kind of expertise and work experience. I am having more then 10+ years of experienced in programming and i believe that i can start working step by step and achieve the project goal in short time frame. Core Features Real-time streaming of underlying asset price with tick-level option mark updates (<250 ms latency). One-click Buy/Sell for nearest at-the-money 1 DTE option contracts. Instant position management with single-click close (❌) functionality. Seamless integration with brokerage API for order execution, authentication, and error handling. Live P/L tracking with immediate visual feedback on gains and drawdowns. Lightweight, high-performance browser-based UI (pure JavaScript or minimal framework). Secure private access with login and two-factor authentication (2FA). Clean, well-documented codebase with setup guide and optional paper trading configuration. Optimized for speed with performance validation/testing I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. WE WILL WORK WITH AGILE METHODOLOGY AND WILL ASSIST YOU FROM ZERO TO PUBLISHING ON STORES. successfully implement this project from start-to-finish. Let's come together and create a platform that not only propels your business but also stands out prominently within the marketplace. Awaiting for your positive response. Thanks Christina
$2.000 USD em 7 dias
6,7
6,7

Hi, I can build your low-latency browser interface for 1 DTE options trading with fast execution and clean architecture. I’ve worked on real-time trading UIs using JavaScript, WebSockets, and broker API integrations. Approach: Lightweight frontend (Vanilla JS or minimal framework) for speed Real-time price + option mark via WebSocket/data API (<250ms updates) Smart strike selection logic (closest 1 DTE) One-click Buy/Sell + instant position rendering Close (❌) triggers exit order + UI freeze for that trade Secure login layer (private access only, not public) Robinhood API integration with robust auth + error handling Performance focus: Minimal DOM updates Efficient state handling Speed test validation Deliverables: Clean code, README, setup guide, and optional paper trading mode. Ready to start and can suggest best data feed options for approval. With Regards! Apurva
$750 USD em 7 dias
6,4
6,4

Hi, I can build a fast, real-time options trading frontend with TradingView-style interaction, fully in JavaScript and optimized for performance and clarity. I have experience with real-time data systems, WebSocket feeds, and API integrations, including trading workflows and low-latency UI updates. My approach: • Frontend (Fast & Lightweight) Develop using plain JS or a lightweight framework (e.g., Vue/Vanilla + minimal libs) to ensure <250ms perceived latency. • Real-Time Data Integrate WebSocket/streaming API for underlying price + option mark updates with smooth UI rendering. • Trading Actions Implement instant Buy/Sell logic for nearest 1 DTE strike • One-click execution via Robinhood API • ❌ close button for immediate position exit • API Integration Handle authentication, secure token usage, order placement, and error handling with fallback safety. • UI/UX Clean chart + live panel showing P/L in real time Minimal, responsive, and optimized for speed Deliverables: ✔ Browser-based app (no install required) ✔ Real-time chart + option pricing panel ✔ Buy/Sell + instant close functionality ✔ Clean, well-commented code ✔ README with setup + API instructions (including paper trading option) ✔ Performance-optimized with speed validation I can also suggest lightweight charting libraries (like TradingView Lightweight Charts) for approval before starting. Ready to start immediately. Best regards, M Waqar Tariq
$500 USD em 7 dias
6,2
6,2

Hi, I understand you need a very fast browser based JavaScript interface that replicates TradingView style one click execution for 1 DTE options via Robinhood, with near real time underlying and option mark updates, instant open and close actions, and clear live position visibility with strict responsiveness. My implementation will use a lightweight front end with modular JavaScript, a minimal state store, and an event driven UI for low latency updates. I will wire real time market streams for underlying and option mark, auto select the nearest strike at 1 DTE, and map Buy, Sell, and close actions to Robinhood order endpoints with robust auth session handling, retries, and failure guards. I will include deterministic position state transitions so closed trades stop updating immediately, plus focused error surfaces for rejected orders, stale quotes, and token expiry. Code will remain clean, documented, and easy to extend. Before delivery, I will run pre delivery testing for quote latency perception targets, order routing correctness, strike selection logic, rapid click concurrency protection, close flow integrity, and cross browser desktop behavior. I will also provide a concise README, setup steps, key management guidance, and reproducible speed test results. Best, Justin
$500 USD em 7 dias
5,9
5,9

Hi, I understand your goal: a fast, private browser-based execution terminal for 1 DTE options, with instant buy/sell/close actions connected to Robinhood and near real-time pricing. This is not just a UI project it’s a lightweight trading execution layer, so reliability and execution accuracy matter more than visuals. My approach would be a minimal front end using vanilla JavaScript with modular components, avoiding heavy frameworks and charting libraries. Real-time updates would use WebSockets or optimized polling depending on Robinhood’s capabilities. The positions panel would track real-time PnL using a lightweight streaming system targeting sub-250ms perceived updates. Closing a trade would instantly lock state, send the close order, and stop updates to avoid conflicts. For security, I’d add session-based authentication with optional 2FA (TOTP), ensuring the tool is private and access-controlled. Most logic would remain client-light, with a thin backend gatekeeper if needed. Dependencies would be kept minimal: native WebSockets, and a simple backend auth library if required. No charting or heavy UI frameworks. If this fits your vision, I can break it into a phased build starting with login, live pricing, and single-click order execution as an MVP. Ping me on chat to discuss all the things in detail and move forward. Thanks.
$500 USD em 7 dias
6,0
6,0

Hi, I can build a fast, browser-based TradingView-style interface with real-time underlying price streaming and a synced options ticket for 1 DTE contracts. The front end will use clean JavaScript (or a lightweight framework if needed) with a WebSocket-driven price feed, instant buy/sell execution, and an on-chart position panel with live P/L updates. I’ll integrate Robinhood API calls for order placement and closing actions, with solid authentication handling, error recovery, and paper-trading support. Which charting library would you prefer—TradingView Lightweight Charts or a custom canvas-based solution for maximum speed? I’m ready to start immediately and will ensure low-latency performance, clean code, and full documentation. Best Regards, Fizza Nadeem Khan
$500 USD em 7 dias
5,8
5,8

⭐⭐⭐⭐⭐ ✅Hi there, hope you are doing well! I recently developed a real-time trading dashboard that streamed live market data and executed trades instantly with minimal delay, making the whole process seamless and efficient. The key to success in this project lies in ensuring ultra-low latency updates and seamless API integration with Robinhood for instant trade execution. Approach: ⭕ Use a lightweight JavaScript framework or plain JS with HTML/CSS for snappy load times and maintainability. ⭕ Integrate WebSocket feeds for real-time underlying price streaming with sub-250ms delay. ⭕ Implement clean, well-commented code structure with robust error handling and authentication to Robinhood API. ⭕ Create intuitive UI mirroring TradingView’s experience with instant Buy/Sell and close actions for 1 DTE options. ⭕ Deliver a concise README for setup, API key handling, and paper trading mode. ❓ Could you please confirm if you prefer any specific charting libraries or WebSocket providers for live price feeds? ❓ Do you have preference on framework (vanilla JS vs lightweight like Svelte or React)? ❓ Should the solution be optimized primarily for any particular browser? I’m confident my expertise in real-time frontends and API integrations will deliver a fast, reliable, and user-friendly trading interface tailored exactly to your needs. Looking forward to collaborating with you. Best regards, Nam
$550 USD em 5 dias
5,4
5,4

Hello, I came across your project Real-Time Options Trading Frontend and I am very interested in working with you. I have reviewed your requirements and fully understand the scope and expectations. I specialize in JavaScript, CSS, HTML, jQuery / Prototype, Web Development, Frontend Development, Version Control Git, API Integration and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity, and professionalism. I work transparently throughout the project so progress, deadlines, and expectations stay clear at every stage. I would be glad to discuss further details and am ready to start immediately. Looking forward to hearing from you. Regards, Anum
$250 USD em 3 dias
5,4
5,4

Hello, I appreciate the opportunity to work on your project to create a browser-based interface for one-day-to-expiry option contracts. I understand you need a solution that mirrors TradingView's buy/sell ticket, with real-time updates and seamless integration with the Robinhood API. With extensive experience in JavaScript and front-end development, I have successfully built similar trading interfaces that prioritize speed and usability. I am proficient in both plain JavaScript and lightweight frameworks, ensuring your application will load quickly and maintain clean, readable code. To achieve your project goals, I propose the following approach: - Develop a responsive web page that loads across all modern browsers without additional installations. - Implement a real-time price feed using WebSocket for minimal delay in updates. - Ensure buy/sell actions are executed correctly with immediate position reflection. - Integrate robust error handling for API calls to ensure a smooth trading experience. I am eager to start this project and confident in my ability to deliver quality results that meet your specifications. Please let me know if you have any preferred libraries for the charting or if there's anything else you'd like to discuss further.
$250 USD em 7 dias
5,0
5,0

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