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**Optimize Exchange API & React Frontend** We’re looking for an experienced developer to improve an existing exchange platform built with React, TypeScript and Cloudflare. Our priorities are faster market loading, reliable price and liquidity updates, and a polished frontend. The current version uses REST; previous streaming experiments need reviewing before choosing the right architecture. Scope: - Audit the existing code, API integration and market-data flow. Source code and technical documentation are available. - Recommend REST, streaming or a hybrid, with a clear architecture and milestone plan. - Implement the approved design for market data and server-side order handling. - Reduce loading times and improve frontend navigation, responsiveness and stability. Performance targets will be agreed after the audit and verified in staging, covering loading times, data freshness, smooth updates and reliable order handling. Please share one or two relevant Exchange API projects, your approach to the audit and your availability. We will start with a short audit with an agreed hours cap, followed by separately approved implementation milestones.
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Hi, I can provide a reliable solution that improves your Exchange API and React frontend by focusing on market-data flow, order handling, and frontend performance. The most important part of this is choosing the right architecture for reliable price and liquidity updates. If this is not handled correctly, it can cause stale data, slow loads, and unstable trading interactions. To meet the requirements, I will start with a short audit of the current React, TypeScript, and Cloudflare setup, review the REST and previous streaming attempts, and map the market-data path end to end. Then I will recommend REST, streaming, or a hybrid approach with a clear milestone plan, and implement the approved design for market updates and server-side order handling. One point I would pay special attention to is data freshness and update consistency under load. I would handle this by validating the event flow, tightening caching and reconciliation logic, and testing the result in staging against agreed performance targets. Best regards, Artem
$20 USD in 30 days
2.5
2.5
294 freelancers are bidding on average $17 USD/hour for this job

Hi — Elias here from Miami. I see you’re looking to optimize your Exchange API and React frontend. The goal seems to be enhancing performance and user experience while ensuring scalability and maintainability. What usually matters most here is how well the API can handle increased loads and how easily the frontend adapts to changes. A common issue in systems like this is managing state efficiently, especially with continuous data flow. Integrations with existing services can also add complexity that needs careful planning. My approach would be to evaluate the current architecture, focusing on optimizing API endpoints for speed and reliability. I’d implement best practices in React to improve responsiveness and maintainability. A clean and well-structured codebase will facilitate future enhancements without major overhauls. I have worked on similar projects that required deep API integrations and frontend optimizations, giving me insights into potential pitfalls. A few questions to better understand the scope: Q1 – What specific performance issues have you encountered with the current API? Q2 – Are there particular user roles or permissions that need special handling in the frontend? Q3 – How do you envision scaling the application in the next 6 to 12 months? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$50 USD in 10 days
8.8
8.8

Hi there, We understand you're looking to optimize your exchange platform's API and React frontend for faster market loading, reliable updates, and a polished user experience. With our experience in similar projects, such as the development of a music voting mobile app using React Native and Node.js, and our expertise in JavaScript, TypeScript, and Cloudflare, we're confident in our ability to improve your platform's performance. Our approach would involve a thorough audit of the existing code and API integration, followed by a recommendation on the best architecture, whether REST, streaming, or a hybrid approach. Can you share more about your current pain points with the platform's performance and what specific improvements you're hoping to achieve with this optimization? Feel free to message us to discuss the details! — Webbook Studio
$20 USD in 40 days
7.9
7.9

Hi, As the founder of IT Flex Solutions India, with over 19 years in the industry and 483+ successful projects under my belt, I am confident that I can give your exchange platform the revamp it deserves. My team and I excel in API development and integration as well as implementing efficient backend and frontend systems to boost performance. We have a strong grasp on the necessary technologies - JavaScript, Node.js, REST API, Typescript - that your project requires to ensure smooth functioning. What makes our company a great partner for this project is not just our skill set but our attitude towards delivering reliable, scalable, and business-focused technology solutions. We understand the significance of faster market loading, reliable price updates, and a polished frontend for an exchange platform like yours. Our methodology involves conducting a comprehensive audit to identify any potholes in your existing codebase and then laying out clear milestones to be achieved post-audit. This way we can collaboratively work towards creating a leaner architecture that ensures faster loading times and superior UX without compromises. I assure you our approach would focus on reducing loading times, improving frontend navigations along with responsiveness and stability. The audit we would conduct will keep strict hours cap to maintain transparency in communication around budget allocation. Thanks, SBM
$15 USD in 40 days
7.9
7.9

⭐⭐⭐⭐⭐ Optimize Your Exchange API & React Frontend for Better Performance ❇️ Hi My Friend, I hope you're doing well. I reviewed your project needs and see you are looking for an experienced developer to enhance your exchange platform. You don’t need to look any further, as Zohaib is here to help you! My team has successfully completed over 50 similar projects for exchange platforms. I will audit your existing code, recommend the best architecture, and implement the design within your budget. ➡️ Why Me? I can easily optimize your Exchange API and React frontend as I have 5 years of experience in web development, focusing on API integration, React, and performance optimization. My expertise includes TypeScript, Cloudflare, and frontend enhancements. Additionally, I have a strong grip on relevant technologies to ensure a smooth and efficient process for your project. ➡️ Let's have a quick chat to discuss your project in detail. I would love to share samples of my previous work and how I can add value to your platform. Looking forward to our chat! ➡️ Skills & Experience: ✅ React Development ✅ TypeScript ✅ API Integration ✅ Cloudflare ✅ Frontend Optimization ✅ Performance Auditing ✅ Market Data Handling ✅ Responsive Design ✅ Code Review ✅ Data Flow Management ✅ Order Handling ✅ Technical Documentation Waiting for your response! Best Regards, Zohaib
$12 USD in 40 days
8.0
8.0

Hi, I understand you want to improve an existing exchange platform built with React, TypeScript and Cloudflare. I would first review the current API integration, market-data flow, REST setup, and previous streaming experiments. Then I would compare REST, streaming, and a hybrid design based on loading speed, data freshness, liquidity updates, and reliable server-side order handling. After the audit, I would provide a clear architecture recommendation, risks, and milestone plan within the agreed hours cap. Once approved, I would implement the selected design, improve frontend navigation and responsiveness, and verify the agreed performance targets in staging. My work would also focus on stable JavaScript and TypeScript code, with a maintainable Software Architecture and suitable Node.js services where needed. I can share relevant exchange API work and begin with the audit. Could you share the current API documentation, expected market-data update frequency, and the main staging performance issues you want measured first? Thank you.
$25 USD in 30 days
7.3
7.3

I’d start by tracing the current REST market-data flow through Cloudflare and reviewing the previous streaming experiments, then measure where market loading, price freshness, liquidity updates, and order handling are actually slowing down. Within the agreed audit cap, I’ll return a clear REST, streaming, or hybrid recommendation with milestones and staging metrics, then implement the approved server-side order flow and React/TypeScript update path. I’m available to start immediately, with the audit and first implementation milestone delivered in 4 days. I fixed a live trading platform’s frozen price charts by correcting an unthrottled Twelve Data integration, adding caching, credit budgeting, and last-good-price fallback—an approach directly relevant to your market updates. Are the previous streaming experiments still present in the current repository for review? Muhammad Saad
$16 USD in 40 days
7.6
7.6

Faster market loading and reliable price updates are usually less about one slow endpoint and more about how polling, state updates, cache strategy, and order flow interact under load. I’d start by auditing the current REST setup, reviewing the earlier streaming attempts, and mapping where freshness, rendering, or server-side handling is breaking down before recommending REST, streaming, or a hybrid. I’ve worked on React/TypeScript applications where live data, frontend responsiveness, and stable update flow mattered more than just “making the API work.” For this kind of exchange-style interface, the key is choosing an architecture that improves data freshness without creating noisy re-renders, race conditions, or brittle order handling. I can begin with the short audit and provide a practical milestone plan for staging validation. - Do you already have any preferred transport in mind from the earlier streaming experiments, or should I assess that from scratch? - Is the current backend also on Cloudflare workers/services, or only the frontend edge layer? - What parts feel most problematic right now: initial market load, ongoing ticker/liquidity updates, or order submission/confirmation?
$20 USD in 40 days
7.6
7.6

Hi there, I understand your need to optimize the Exchange API and React frontend for faster market loading, reliable price and liquidity updates, and a polished user experience. I have extensive experience with React, TypeScript, and Node.js, and I can help you achieve these goals. Here’s my approach: - Conduct a thorough code review to identify bottlenecks and areas for improvement. - Optimize the API endpoints for faster response times and more efficient data retrieval. - Implement real-time updates using WebSockets or Server-Sent Events (SSE) for price and liquidity. - Enhance the frontend with performance optimizations, such as lazy loading and code splitting. - Utilize Cloudflare for caching and CDN services to further speed up the platform. Let's work together to make your exchange platform fast, reliable, and user-friendly. Best Regards, Khorshed Alam, RS Software
$13 USD in 40 days
8.6
8.6

The current performance issues with your exchange platform likely stem from inefficient API calls and those outdated data handling methods. I’ll conduct a thorough audit of the existing code and API integration to pinpoint bottlenecks and areas for improvement. And this will include reviewing previous streaming experiments to determine the best architecture moving forward—whether that’s sticking with REST, implementing streaming, or a hybrid approach. I can complete the audit first and have it ready for you to review before any payment or milestone is created, you can test the findings and only proceed if you’re satisfied with the results. This way, there’s no risk on your end, which is great. I’m ready to start immediately and, honestly, I look forward to optimizing your platform. Rajavel - React, TypeScript, and Cloudflare expert.
$16 USD in 3 days
7.2
7.2

Hi there, To effectively optimize the Exchange API and React frontend, I propose starting with a comprehensive audit of the existing codebase and API integrations, focusing specifically on enhancing market loading speeds and ensuring reliable price updates. With your emphasis on architecture—be it REST, streaming, or a hybrid model—I would assess the current market-data flow and devise a strategy that allows for both improved performance and usability. My approach includes developing benchmarks for loading times and data freshness, as well as addressing the frontend’s responsiveness and stability to enhance user experience. Having worked with React and TypeScript extensively, I can also implement the approved designs with a solid focus on both client-side and server-side order handling, ensuring that performance targets are met in staging. If you'd like to see some relevant Exchange API projects, please let me know. Looking forward to discussing further details and proposing the best technical direction. Regards, Ali
$10 USD in 1 day
6.5
6.5

Hi, I can help you with "Optimize Exchange API & Frontend" as per your given set of instructions. Please get in touch to discuss more in detail and start with the initial discusssion. I usually work in small milestones, keep the code organized, and provide regular updates so changes are easy to review. Can you share a few more details? I'll suggest the best implementation and an accurate timeline. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$14 USD in 1 day
6.9
6.9

Hi, I'm Denis, a full-stack developer specializing in real-time trading platforms. I understand the challenge of balancing REST simplicity against live market data latency. The core issue appears to be market data freshness and frontend responsiveness. A thorough audit is crucial—the real bottleneck could be API response times, data synchronization, or rendering performance rather than the communication protocol itself. My audit approach: - Trace data flow from your exchange API through the backend to React frontend - Identify where latency accumulates and review order handling server-side - Analyze previous streaming experiments to understand what was attempted and why it failed - Present three options with clear tradeoffs: 1. Optimized REST with smart caching 2. Full WebSocket streaming 3. Hybrid approach (streaming for prices, REST for orders) After we agree on architecture, implementation follows in phases: core market data pipeline, frontend state synchronization, order handling, then performance tuning and staging tests. Critical consideration: data consistency during rapid updates. Switching from REST to streaming requires careful frontend logic for handling duplicate or out-of-order messages, otherwise you'll see price jumps or stale data. I'm available immediately with a capped hours agreement. Once we have clear findings and a recommended path, we can plan implementation separately. Let's connect and discuss. Thanks, Denis.
$15 USD in 40 days
6.4
6.4

Hello, I can help audit and optimize your existing exchange platform across the React/TypeScript frontend, API integration, market-data pipeline, order handling, and Cloudflare layer. I like your audit-first approach. Rather than immediately replacing REST with WebSockets or another streaming solution, I would first identify where the current latency, stale data, excessive requests, rendering overhead, or synchronization issues are actually occurring. I’ll keep the changes measurable and will work against the agreed performance targets rather than making subjective claims about speed. I’m comfortable working with React, TypeScript, Node.js, REST APIs, API integrations, Cloudflare, and frontend/backend architecture. I’m available to begin with the capped audit and can provide a clear technical report and milestone plan before any larger implementation work starts. Best regards Raheel
$15 USD in 40 days
6.3
6.3

I would be glad to help you optimize your exchange platform and improve your market data flow and React frontend. With my background in React, TypeScript, API integrations, and trading systems, I am well-equipped to tackle your priorities of faster market loading, reliable price and liquidity updates, and a polished user interface. My approach will begin with a thorough audit of your existing codebase, current API integration, and market-data flow under the agreed hours cap. Following the audit, I will review your previous streaming experiments and recommend the optimal architecture—whether REST, streaming, or a hybrid—alongside a clear milestone plan. Once approved, I will implement the design for market data and server-side order handling, while also focusing on reducing loading times and enhancing frontend responsiveness and stability. I am available to start with the initial audit and verify performance targets in staging. Let us discuss how we can get started on this.
$10 USD in 7 days
6.0
6.0

Your main risk here is picking the wrong market-data architecture before confirming where the current delays and instability actually come from. The right first step is a focused audit of the React/TypeScript frontend, existing REST flow, and the previous streaming work so the implementation phase is based on measured bottlenecks instead of assumptions. I’ve handled performance-focused frontend/API reviews where live data had to stay fresh without making the interface jittery or fragile. On exchange-style products, I pay close attention to update frequency, state management, render pressure, fallback behavior, and how order handling behaves when data changes quickly. Happy to start with the capped audit phase and turn that into a clear architecture recommendation plus implementation milestones. - Which exchange APIs or liquidity sources are currently connected? - Do you already track metrics in staging for load time and update latency, or should that be part of the audit setup? - Are there known issues from the previous streaming tests such as reconnect logic, duplicate updates, or UI instability?
$20 USD in 40 days
6.0
6.0

Hi Do you already have the Cloudflare logs ready for the audit? Would you prefer to map out the milestone plan on a quick call today? This exchange optimization sounds like a fun challenge. The main hurdle here usually involves balancing real time data updates with clean UI rendering without choking the browser. Sorting through the previous streaming experiments first will keep the new architecture lean and fast. Regarding your question about past projects and availability, those details are ready to share in chat. Whenever you have a quick moment, drop a line so we can compare notes.
$20 USD in 40 days
5.9
5.9

Hi, I’d start with the capped audit by tracing the complete market-data path from the upstream API through Cloudflare/server processing to React state updates and rendering. I’ll measure request latency, redundant calls, update frequency and frontend render bottlenecks before recommending REST, streaming or a hybrid approach. The audit will finish with the main bottlenecks, proposed architecture, measurable staging targets and a milestone breakdown before any larger implementation begins.
$15 USD in 10 days
6.1
6.1

Hello Sir, Are you ready to transform your exchange platform into a faster and more reliable solution? I propose a comprehensive audit of your existing system to identify bottlenecks and optimize the architecture, ensuring seamless price updates and an improved user experience. Let's connect to discuss a tailored approach for enhancing your platform's performance and stability. Best, Smith
$15 USD in 40 days
6.2
6.2

Slow market loading and unreliable price or liquidity updates can make your exchange feel sluggish and unstable, which turns users away and makes every second count against you. It’s frustrating to watch a polished frontend held back by delays and data hiccups, especially when you know the technical foundation has room for improvement. You can expect smoother, faster market data and a frontend that responds instantly, with updates that keep users confidently engaged. First, I’ll audit your current code and data flow to spot bottlenecks and opportunities. Next, I’ll recommend the best architecture, whether that’s REST, streaming, or a mix, and lay out clear milestones. Finally, I’ll implement the chosen design so market data and order handling are both fast and reliable. Are there specific exchanges or features you’d like me to focus on first during the audit?
$15 USD in 40 days
5.9
5.9

Hi, I can audit the existing React/TypeScript exchange architecture, trace the current REST market-data flow and previous streaming experiments, then recommend the most suitable REST/WebSocket hybrid based on actual bottlenecks. I’ll focus on reliable price/liquidity synchronization, server-side order handling, efficient state updates, and frontend performance without introducing unnecessary architectural complexity. The implementation can then be validated in staging against measurable loading, freshness, update smoothness, and order-handling targets. Questione 1: Which exchange/API provider is currently used, and what market-data streams or WebSocket experiments are already implemented? Questione 2: Are the main current bottlenecks already identified through profiling/monitoring, or should the audit establish the performance baseline from scratch? Regards, Houssame.
$10 USD in 39 days
6.4
6.4

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