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I have a React-based app that you can preview here: [login to view URL] My OneSignal account is already set up; I now need the SDK wired into the app so users can opt-in and reliably receive push notifications triggered from my back-end events. While you are inside the codebase, I’d also like you to tighten up performance—especially around data fetching. Some endpoints are called more often than necessary, and occasional delays are noticeable on slower networks. Refactoring fetch logic, introducing lightweight caching, or any other proven technique that lowers latency and reduces bundle weight is welcome. Deliverables: • OneSignal fully integrated with a working browser prompt and a test notification proving end-to-end delivery • Refactored data-fetch layer with benchmarks showing faster initial load or reduced network calls • A concise hand-off note explaining the main changes, any new environment variables, and how to extend notification logic in the future I keep the repo on Git; you’ll receive access the moment we agree on the scope and timeline.
Proje No: 40067034
54 teklifler
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54 freelancer bu proje için ortalama $163 USD teklif veriyor

Hello I have thoroughly reviewed your project description and am confident in my ability to assist you in completing it successfully. I believe it would be highly beneficial to delve deeper into the specifics of the job to determine the most effective way forward. I am open to scheduling an interview at your convenience, and I genuinely appreciate the chance to collaborate with you on this project. Your response is eagerly anticipated, and I'm excited about the prospect of working together. Thank you for considering my proposal. Looking forward to your prompt reply! Best regards Rekha!!!
$250 USD 7 gün içinde
7,3
7,3

Hello Hope you are doing well! This is Efan , I checked your project detail carefully. I am pretty much experienced with Web Development, React.js Framework, API Integration, JavaScript, Frontend Development and Mobile App Development for over 8 years, I can update you shortly. Cheers Efan
$200 USD 10 gün içinde
6,5
6,5

Hi ryzenp5, We’ve integrated OneSignal with React apps before, enabling features like user opt-in and reliable push notifications. We also understand the importance of optimizing data-fetching logic to improve performance and reduce latency. In a recent project, we optimized a React app by implementing server-side rendering (SSR) and caching, resulting in a 50% reduction in load times. We can apply similar techniques here, along with lightweight caching and other optimizations, to enhance your app’s performance. Let’s schedule a 10-minute call to discuss your project in more detail and ensure I fully understand your requirements. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$135,48 USD 7 gün içinde
6,4
6,4

As a seasoned Full-Stack Developer, I have honed my skills in JavaScript, React.js and have substantial experience in web development that makes me the right fit for your project. Your need to integrate OneSignal into your React app and optimally utilize the SDK can easily be handled with my expertise. My familiarity with OneSignal plus a proven track record of seamless integration in previous projects will ensure quick and efficient implementation. I deeply understand the need for a responsive, lightweight and optimized app. Conducting an in-depth analysis of your codebase, I would not only integrate OneSignal but also evaluate data-fetch layer to address possible inefficiencies. Drawing upon my expertise, I will refactor fetch logic, integrate lightweight caching to minimize latency, maximize initial load speed and reduce network calls. Lastly, my commitment to punctuality coupled with a strong communication skill set will ensure that I maintain transparent channel of communication throughout the project life cycle providing you regular updates and addressing any queries promptly. My goal is to deliver to you a fully-integrated OneSignal solution, an optimized backend supporting fast initial load and reduced network calls along with detailed documentation on how to extend notification logistics accordingly in the future. Together, we can transform your React app into the highest performing version it can be! Let's get started!
$140 USD 7 gün içinde
6,0
6,0

Hello There!!! ⚜️⭐⭐⭐⭐⚜️(( Reliable OneSignal Push Integration and Measurable React Performance Gains ))⚜️⭐⭐⭐⭐⚜️ I reviewed your preview app and the request is very clear. You want push notifications that actually deliver end to end, plus a noticeable improvement in load time and network behavior on slower connections. This is a smart moment to address both together since notification logic and data flow often overlap. You are looking for someone who can wire OneSignal cleanly into your existing React codebase, ensure users can opt in correctly, and confirm notifications fire from backend events, while also tightening the data fetch layer to reduce redundant calls and latency. I have over nine years of experience working with React applications, SDK integrations, and performance tuning focused on real user experience rather than cosmetic changes. My approach is to keep refactors lightweight, measurable, and easy to extend later. The three key outcomes for this work would be: 1. OneSignal SDK fully integrated with verified browser push delivery. 2. Optimized data fetching with fewer calls and faster initial load. 3. Clear handoff notes covering environment variables and future extension. If you would like, we can quickly align on scope and benchmarks, then proceed with Git access to get started. Warm Regards, Farhin B.
$110 USD 10 gün içinde
6,3
6,3

Hi there, I'm experienced in Web Development, Frontend Development, and API Integration. I will seamlessly integrate OneSignal into your React app for push notifications and optimize data fetching for better performance. Additionally, I'll provide a detailed hand-off note for easy maintenance. Let's discuss the scope and timeline.
$100 USD 2 gün içinde
5,6
5,6

I can handle integrating OneSignal into your React app to ensure users can opt-in and reliably receive push notifications from your back-end. I'll wire the SDK properly, set up the browser prompt, and test end-to-end delivery. Additionally, I will optimize your data fetching layer by refactoring redundant API calls and introducing lightweight caching to reduce latency and improve performance, especially on slower networks. This will result in faster initial loads and fewer network requests. I'll provide clear benchmarks demonstrating the improvements along with concise hand-off documentation covering code changes, new environment variables, and extending notifications. I focus on clean, scalable React code and aim to deliver a smooth, performant user experience. Would you like me to prepare a brief plan outlining the optimization approach before starting?
$125 USD 7 gün içinde
5,0
5,0

Hi, I have read your project description and understood it. You need OneSignal integrated into your React app so users can opt-in and reliably receive push notifications, along with performance improvements to data fetching, including refactoring, lightweight caching, or other techniques to reduce latency and network calls. Deliverables include a fully working OneSignal setup with test notifications, a refactored data-fetch layer with benchmarks, and a concise hand-off note explaining changes and how to extend notification logic. I can implement OneSignal integration and optimize your app’s data fetching efficiently to improve performance and user experience. Regards, M Sohaib
$140 USD 2 gün içinde
4,0
4,0

Hello, I am excited about the opportunity to integrate OneSignal into your React-based app and optimize its performance. I have experience working with OneSignal SDK integration and improving data-fetching processes to enhance app efficiency. I am confident that I can successfully implement the required features, including a working browser prompt for notifications and refined data-fetch logic. I am dedicated to delivering high-quality results and ensuring a smooth hand-off process with clear documentation. I look forward to collaborating on this project and making your app more user-friendly and efficient. Thank you.
$99 USD 7 gün içinde
3,8
3,8

Please see my portfolio for previous work. Effective communication, fast delivery, and real results. No fluff, no missed deadlines! I specialize in React development, SDK integrations, and performance optimization. I will integrate OneSignal with browser prompts and test notifications, refactor data fetching for improved efficiency, and provide a concise hand-off document for future scalability. I have put together a rough milestone breakdown for you to go over - Integrate OneSignal SDK and enable push notification opt-in - Implement test notification for end-to-end validation - Analyze and refactor data-fetch logic for performance gains - Benchmark improvements on load time and network usage - Deliver hand-off note with environment variables and extension guidance Estimated Delivery: 10 days I look forward to turning your ideas into reality! Regards, John Van Rooyen
$200 USD 10 gün içinde
3,7
3,7

Hello ryzenp5, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on JavaScript, Mobile App Development, Web Development, Frontend Development, React.js Framework, API Integration Lets connect in chat so that We discuss further. Thank You
$140 USD 7 gün içinde
3,4
3,4

As a seasoned Software Engineer with over five years of experience, I am confident that I can seamlessly integrate OneSignal into your React app and optimize its performance. Considering the substantial experience I have in full-stack development and my expertise in JavaScript, Mobile App Development, and Web Development, I can not only integrate the OneSignal SDK effectively but also find ways to improve your data-fetching process. I understand the frustration regular delays or high network calls can cause, which is why I'm going to put my excellent problem-solving skills to use for you. By refactoring and applying efficient techniques such as lightweight caching, I'll work on enhancing your app's data-fetching time and reduce latencies. This will contribute to faster initial loads and an overall smoother user experience. I want us on the same page throughout this project so you can be assured of a concise hand-off note following completion. This will cover all the main changes made including any new environment variables needed to extend the notification logic. Choosing me for this project means opting for a reliable professional with extensive knowledge about React and OneSignal integration along with a strong track record of building high-performance web applications. I assure you complete dedication, timely delivery, and an end-product that exceeds your expectations. Let's discuss the final scope and timeline at your convenience!
$100 USD 1 gün içinde
3,5
3,5

Being a seasoned developer for over eight years, I can confidently say that your project aligns perfectly with my skill set. Technical matters like API Integration and Web Development are well within my wheelhouse. In terms of mobilizing your app, I have specialization in Mobile App Development using frameworks like Flutter and React Native. This coupled with my strong proficiency in JavaScript will enable me to impeccably integrate OneSignal into your React-based app and optimize it, as you request. Furthermore, my experience extends to Web Scraping and UI/UX Design using Sketch and Adobe Creative Suite, which means I'm well-versed in handling the data-fetching aspect that you're concerned about. I can ensure a faster initial load and reduced network calls by refactoring the fetch logic, introducing lightweight caching and all other proven techniques that lower latency. Ultimately, with a deep understanding of backend systems and a proven track record of timely delivering high-quality projects, I'm confident in my ability to not only meet but exceed your expectations with this project. A concise hand-off note explaining the main changes along with easy-to-follow steps on how to extend notification logic in the future will be provided as well. Let's connect soon to discuss timelines and take your React app to new heights!
$220 USD 10 gün içinde
3,2
3,2

Hi there, I’m Robert, a Senior Full-Stack & AI Engineer with over 10 years of experience architecting and delivering SaaS platforms, automation systems, and intelligent applications, focusing on React, JavaScript, and API integrations. I successfully integrated OneSignal into a similar React application, ensuring users could seamlessly opt-in for notifications while optimizing performance. I can enhance your app by refactoring the data-fetch logic and implementing lightweight caching techniques to improve load times and reduce latency on slower networks. My deep technical background in full-stack development aligns with your goal of providing a responsive user experience with well-structured notification capabilities. I can complete this project perfectly and deliver scalable, production-ready results. I'm committed to clean architecture, structured documentation, CI/CD automation, and I employ best practices for client-side engineering. Let's connect to refine your requirements and begin building a solution that exceeds expectations. What specific metrics are you using to evaluate performance improvements in your app?
$200 USD 10 gün içinde
2,7
2,7

? ? ? ? ? Dear Client, I can integrate OneSignal cleanly into your React app with a proper opt-in flow and confirm delivery with a live test notification triggered from backend events. Alongside that, I’ll optimize data fetching to reduce unnecessary calls and improve perceived performance on slow networks. This typically includes request deduplication, memoization, lightweight caching, and tightening effect dependencies to cut redundant renders and bundle weight. What you’ll get: • OneSignal SDK wired end-to-end (prompt → subscribe → receive) • Verified test push notification • Refactored fetch layer with measurable reduction in network calls / faster initial load • Short hand-off note covering env vars and how to extend notifications later I work directly in Git with clean commits and minimal surface changes. Best regards, Dusan
$130 USD 2 gün içinde
2,6
2,6

Building web applications with a heavy emphasis on performance optimization and third-party integrations has been the cornerstone of my career. Your project combines both aspects beautifully, and I can't wait to start digging into it. Not only will I integrate OneSignal seamlessly into your React app, but I'll go the extra mile by refactoring the data-fetch layer and implementing novel techniques like lightweight caching to ensure faster loading and reduced network calls. As a full-stack developer with proficiency in frontend technologies like React, Javascript, HTML5, and CSS3 across multiple projects, I’ve gained valuable insights into delivering frictionless user experiences. Be it improving time-to-interactivity or reducing bundle sizes even for users on slower networks, I possess the expertise to tackle such challenges creatively yet effectively. Furthermore, my skills extend beyond mere implementation; I also excel at documentation and hand-off notes preparation. So not only will I provide you with a fully-integrated OneSignal set-up and optimized app, but you'll also receive a comprehensive note outlining all the critical changes made and any additional environment variables introduced alongside benchmarks validating these improvements. Together, we'll take your app from good to exceptional! Let's discuss timelines and get started today!
$180 USD 7 gün içinde
2,1
2,1

Hi, We would like to grab this opportunity and will work till you get 100% satisfied with our work. We are an expert team which have many years of experience on JavaScript, Mobile App Development, Web Development, Frontend Development, React.js Framework, API Integration Please come over chat and discuss your requirement in a detailed way. Regards
$250 USD 7 gün içinde
1,4
1,4

Dear Client, I’ve integrated OneSignal push notifications into multiple React apps (casino dashboards, SaaS panels, and promo-driven web apps), including browser opt-in flows and backend-triggered events with verified end-to-end delivery. I’ve also optimized React data layers by refactoring redundant fetch calls, adding lightweight caching (React Query / custom memoization), and reducing bundle size—cutting initial load times by 20–40% on slow networks. I’ll wire OneSignal cleanly, validate with test pushes, optimize performance, and provide a clear hand-off with env vars and extension points. Best Regards, Roman
$100 USD 3 gün içinde
1,6
1,6

Hi there, I see you're looking to integrate OneSignal into your React app and optimize its performance. I got your back on this! With my experience in React and API integration, I can wire up the OneSignal SDK so users can easily opt-in for push notifications. Plus, I’ll take a good look at your data-fetching logic and refactor it to boost performance—think smarter caching and fewer network calls. You’ll get a seamless integration with a working browser prompt and a test notification to prove it. I’ll also deliver a tidy hand-off note to keep things crystal clear for you moving forward. I’m ready to jump in and can deliver the initial task quickly to show you my speed and skill. Let’s make your app snappier and keep those users engaged! Best regards, Uros S
$140 USD 7 gün içinde
0,0
0,0

Hi there, After studying your assignment, I've prepared the following options. I look forward to your feedback. Option A: I propose integrating OneSignal into your React-based app to enable users to opt-in for push notifications triggered by backend events. Additionally, I will optimize the app's performance by refactoring the data-fetch layer to reduce latency and improve loading speeds. Option B: Alternatively, I can focus solely on integrating OneSignal into your app, ensuring a seamless user experience with push notifications and leaving the performance optimization for a future phase. Let's discuss in detail through chat.
$30 USD 4 gün içinde
0,0
0,0

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