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Our consumer-facing mobile app is already in production, built with React Native on the front end and a Node.js backend that integrates Razorpay for payments, Google Maps for location services and an OTP flow for user authentication. Whenever something breaks—or a small enhancement is approved—I need to be able to hand the task to someone who can jump in quickly, diagnose the issue, patch it, test on both major mobile platforms and push the fix all the way through to the stores. Typical requests you’d handle include hot-fixing crashes, tuning performance, updating third-party packages, resolving Razorpay or Maps API errors, tightening OTP security, restoring server availability, as well as preparing and deploying new builds. You should already be comfortable tracing logs in a Node environment, working with CI/CD pipelines, and submitting updates that meet Apple and Google review guidelines. Turnaround time is key. Please tell me: • how you charge for ad-hoc work (hourly, retainer, or per ticket), • the communication channels you prefer for urgent issues, and • a brief example of a similar production app you currently maintain. If you’re confident with this stack and can provide reliable, on-demand coverage, I’d love to line you up as our go-to support developer.
Project ID: 40719894
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41 freelancers are bidding on average ₹1,812 INR for this job

With my extensive experience in software engineering since 2015, I believe I am the perfect fit for your project. My proficiency expands beyond just React Native, I possess great skill in Node.js, Razorpay and Google Maps API, all of which your project relies heavily on. Additionally, I have a thorough understanding of tracing logs in a Node environment as well as working with CI/CD pipelines - vital to providing support for your app. To give an example of similar work I've done, there was a case where a production app had critical crashes under time constraints. With my technical dexterity and sharp troubleshooting skills, I resolved the bug quickly and efficiently restoring smooth functionality to the app in no time at all. By choosing me as your go-to support developer you can count on my reliability and unwavering commitment to quality service delivery. Let's team up and keep your application running impeccably!
₹1,500 INR in 1 day
6.6
6.6

Hello Sir, I have already worked on similar types of website and software development projects and I am confident that I can successfully handle your project. I am a full-time freelancer with **17+ years of experience** in web development, software development, automation, and API integrations. My expertise includes: * Android app development * ASP.NET C# web and software development * Python automation and web scraping (Amazon, Instagram, Facebook, Google Maps, LinkedIn, Telegram, and other custom scraping solutions) * JavaScript, jQuery, AJAX, Bootstrap, HTML5 * Microsoft SQL Server database development * Payment gateway integration * SMS, Email, Banking, Financial, and Insurance API integration * Custom automation bots and workflow automation software I focus on delivering **high-quality, scalable, and reliable solutions** with clean code and long-term support. Please contact me in private chat so we can discuss your requirements in detail. I can also show you a **demo of similar projects** I have completed. Looking forward to working with you. Thanks & Regards
₹1,500 INR in 5 days
6.0
6.0

Hi, I can provide on-demand support for your React Native app and Node.js backend, including bug fixing, performance optimization and production deployments. I can handle: Crash fixes and performance improvements Razorpay, Google Maps and OTP troubleshooting Node.js server monitoring and issue resolution Package updates and security improvements Android/iOS testing and store deployments CI/CD support and production builds Charging: Hourly or per-ticket, depending on the task. Urgent communication: WhatsApp, email or Slack. I have experience with mobile apps, Node.js APIs, payment integrations and deployment. I can provide reliable, on-demand support and discuss a suitable maintenance arrangement. Ready to get started.
₹1,050 INR in 7 days
5.5
5.5

This sounds more like ongoing production ownership than regular feature development, and that’s how I’d approach it. For each ticket, I’d first reproduce the issue and trace it through the React Native app, Node logs and the relevant service before making a change. Razorpay, Maps and OTP issues especially shouldn’t be fixed by trial and error because a small change can affect the production flow. I’d handle the complete cycle: fix or enhancement → Android/iOS testing → build → CI/CD → store submission. Dependency updates would also be tested before being pushed rather than upgrading everything together. For urgent issues, I prefer direct chat for the initial alert, then keep the ticket and technical details documented so nothing gets lost. I’m comfortable working on an ad-hoc basis, and we can use hourly billing initially; if the workload becomes regular, a retainer can make more sense. One question: do you already have crash monitoring and server logs centralized, or would I need to set that up first?
₹1,050 INR in 7 days
5.9
5.9

Hi, I’m Pawan, a full-stack developer with 10+ years of experience working with React Native, Node.js, APIs, payments, third-party integrations, and production deployments. I can provide on-demand support for your existing mobile app, including: * React Native crash and performance fixes * Node.js debugging, server issues and log analysis * Razorpay payment/API troubleshooting * Google Maps API/location issues * OTP/authentication and security fixes * Dependency and package updates * iOS/Android build preparation and store deployment * CI/CD pipeline troubleshooting and release management For urgent issues, I’m comfortable working through WhatsApp, Slack, or Teams with direct communication and quick turnaround. For ad-hoc work, I generally prefer hourly billing, while larger approved enhancements can be handled as a fixed-price ticket after reviewing the scope. I’ve worked on production applications involving React/Node APIs, payment integrations, Firebase/FCM, cloud infrastructure and mobile app deployments. I’m also comfortable taking over an existing codebase, tracing the issue from mobile → API → server logs → third-party service, and delivering a tested fix rather than only identifying the problem. I can start with your existing production setup and become your go-to developer for ongoing fixes and releases.
₹1,050 INR in 1 day
4.3
4.3

Hi, I am excited to offer my expertise for your on-demand React Native app support project. With over 11 years of experience in full-stack development, I specialize in mobile applications and have a deep understanding of React Native, ensuring that your app remains robust and user-friendly. I will focus on enhancing your app's performance, fixing any existing bugs, and implementing new features as needed. My approach includes: - Conducting a thorough code review to identify areas for optimization. - Implementing responsive UI improvements for a seamless user experience. - Integrating any necessary third-party APIs to enhance functionality. - Providing ongoing support and maintenance to ensure your app runs smoothly in production. I prioritize clean architecture and scalability, ensuring that your app can grow alongside your user base. My commitment is to deliver reliable solutions that align with your business goals. Let’s work together to elevate your mobile app and provide an exceptional experience for your users. Best regards, Anil Prajapati
₹1,205 INR in 15 days
4.5
4.5

Hello, I can be your go-to developer for **on-demand React Native and Node.js production support**, including urgent fixes, enhancements, third-party integrations, and App Store/Google Play releases. I’m comfortable working with **React Native, Node.js, Razorpay, Google Maps, OTP authentication, REST APIs, databases, logs and CI/CD pipelines**. I’ll diagnose issues from production logs, implement minimal-risk fixes, test on both iOS and Android, and manage the build/release process through the stores. I can handle: * Crash and performance fixes * Razorpay/Maps API issues * OTP/security improvements * Node/server troubleshooting * Package and dependency upgrades * New feature enhancements * CI/CD and production deployments * App Store & Google Play submissions For ad-hoc work, I’m comfortable with **hourly billing or per-ticket pricing**, depending on the task. For urgent issues, WhatsApp/Slack plus email works well, with priority handling for production outages. I can also provide relevant production-app experience and code samples privately. I’m available for reliable ongoing support and quick turnaround. Best regards, Amit
₹1,050 INR in 7 days
4.0
4.0

Hi, I’m comfortable stepping into an existing React Native and Node.js codebase, tracing production issues through client and server logs, and carrying fixes through Android and iOS testing, CI/CD, and store submission. I can cover crashes, dependency upgrades, performance issues, Razorpay and Maps failures, OTP security, backend outages, and release preparation. For urgent bugs, I first stabilize the affected flow, reproduce the issue, add a regression test where practical, and then prepare the production build with clear release notes. Answers to your questions: * **Charging:** Hourly for debugging and urgent incidents, with a fixed estimate available for clearly scoped enhancements. A monthly retainer can be arranged once the support volume is predictable. * **Communication:** Upwork messages and calls initially; Slack for day-to-day and urgent communication after the contract begins. * **Relevant production system:** RatchetHub is a production SaaS product I work with that includes customer workflows, AI integrations, API services, authentication, and operational automation. It is not a React Native mobile app, but the production debugging, backend reliability, integration, and deployment responsibilities are closely related. I’m available for on-demand coverage and can begin with a codebase, deployment pipeline, and monitoring review so future incidents can be resolved faster.
₹2,050 INR in 7 days
3.3
3.3

As someone who has been passionately crafting software solutions for the last six years, I deeply understand the significance of having a reliable support developer on standby to quickly diagnose and patch app issues – such as crashes and performance tuning. My expertise in React Native, backed by distinguished experience in Node.js is exactly what you need to ensure your on-demand support operations run smoothly. Moreover, my commendable command over third-party API integration, including Razorpay and Google Maps, perfectly aligns with your requisites. When it comes to ad-hoc work charging, I follow a flexible approach. I am comfortable with both hourly rates and retainer-based models. We can discuss further and determine which would best meet your particular requirements. As for communication channels for urgent issues, I value efficient communication as much as you do. I am available round-the-clock and would be happy to adopt any communication channel that works best for you, be it Slack, Skype or any other platform. Currently, I maintain a production app called 'FoodFest' for a large-scale food delivery service that leverages React Native with a Node.js backend – a perfect parallel to your project.
₹1,050 INR in 7 days
3.4
3.4

Hello. Thank you very much for your chance. I have read your project description carefully. I'm a Web, AI & Android Custom | Python, WordPress, Java with over 8 years of experience working with React Native, Node.js and CI/CD. I understand you need on-demand support for a live React Native app with a Node backend, Razorpay, Google Maps and OTP login, covering fixes through to store release. The real challenge is debugging production without breaking live users. Razorpay and Maps failures usually trace back to key rotation, webhook mismatches or API quota, not the mobile code, so the fix often sits in Node. A common issue: a hotfix ships without a staging check and Apple or Google rejects the build, delaying the fix by days. My approach: first, get read access to logs, CI and the repo, and reproduce the issue. Then patch on a branch and test on both platforms. Finally, push through CI, submit to both stores, and confirm in production. I only work through chat here, so an urgent Slack or WhatsApp channel is not something I can offer. If a shared board inside Freelancer works, that is fine. Let's connect over a chat so we can discuss this in more detail. Best regards , Muheebwa
₹10,050 INR in 4 days
2.4
2.4

We have reviewed your brief - you need on-demand support for a live React Native app on a Node.js backend with Razorpay, Google Maps and OTP auth, with fixes tested on both platforms and pushed through to the stores. On your three questions: 1. Billing - per-ticket for small fixes, moving to a monthly retainer once volume is predictable. Starting per-ticket lets you judge our turnaround first. 2. Urgent channel - Freelancer chat, with a shared ticket tracker so nothing gets lost. Same-day response on weekdays. 3. Similar app - we build and maintain Pickup Ninja, an on-demand services app on React Native with a Node backend, live GPS tracking and payment gateway integration, plus a travel app we keep updated on both the App Store and Play Store. Razorpay errors and store review cycles are routine for us. We are a team of 20, so your cover does not depend on one person being free that day. One question: do you already have Crashlytics or Sentry wired in, and would we get access to your CI/CD pipeline and store accounts from day one? - APIE Technologies
₹1,200 INR in 7 days
2.3
2.3

As a seasoned professional with an extensive background in both academia and industry, I can provide the expertise and assurance you need for your React Native app support. With solid skills in Node.js - tracing logs, CI/CD pipelines, and ensuring platform adherence to meet Apple and Google review guidelines wouldn't be strangers to me. My years of technical leadership, including my position as CTO in a successful AI startup, has honed my problem-solving ability even further. For example, I've worked on high-traffic applications that required steady availability of servers. And dealt effectively with Razorpay and Maps API errors. Regarding work arrangements: I propose charging on an hourly basis as this model allows flexibility and fairness for both parties. Communication-wise, I'm versatile with any channel you prefer; however, when it comes to urgent matters, immediate modes like phone calls or chat apps would be efficient. Clients have often commended me on my quick turnaround time since I value efficiency without compromising quality—exactly what you're looking for in your go-to support developer. In conclusion, relying on my extensive experience in developing innovative digital products end-to-end—including building reactive frontend and scalable backend solutions—I believe am the best fit for maintaining the morbidity of your production app. Let's get started!
₹600 INR in 7 days
1.6
1.6

I’d love to help out with this. I work extensively with React Native and Node.js, so handling quick hotfixes, debugging Razorpay/Maps/OTP issues, and pushing updates through the App Store and Google Play is right in my wheelhouse. To answer your questions: Pricing: I'm flexible—happy to go with an hourly rate for ad-hoc work or set up a retainer if you want guaranteed priority turnaround. Communication: Slack, Telegram, or WhatsApp work great for urgent bugs, with GitHub/Jira to keep track of tasks. Experience: I currently maintain a production consumer app on the same stack, handling everything from crash fixing and package upgrades to bi-weekly store releases. I'm ready to jump in whenever you need a quick patch or deployment. Let's chat and get started!
₹1,200 INR in 7 days
1.7
1.7

Like you had builded the application, so we can discuss everything on a call that how much work is there to do and how many days it will take, thank you
₹1,500 INR in 7 days
1.3
1.3

I can provide reliable ongoing support for your **React Native + Node.js app**, including bug fixes, API issues, maintenance, and urgent production troubleshooting. With 10+ years of development experience across **React Native, Node.js, JavaScript, Linux, and PHP**, I’m comfortable working with existing codebases and resolving issues quickly without disrupting current functionality. I offer flexible **hourly, retainer, or per-ticket support**, with fast communication for urgent issues. My focus is keeping your app stable, responsive, and running smoothly.
₹1,050 INR in 7 days
0.8
0.8

The key here is having someone who can trace a production issue from the React Native app through Node, APIs, payments and infrastructure instead of just patching the visible error. I can handle crash diagnosis, Razorpay/Maps issues, OTP security, package updates, backend availability and performance fixes, then test on both iOS and Android and take releases through the store process. I’m comfortable working through logs and CI/CD, and can support urgent tickets on an hourly or per-task basis depending on what works best for your workflow. I can start immediately and stay available for ongoing production support. Regards Rana.R
₹600 INR in 3 days
0.0
0.0

We’ve recently helped clients support production applications by diagnosing issues, implementing targeted fixes, and keeping releases stable across mobile and backend environments. I’ll help provide reliable on-demand support for your React Native and Node.js application, with a strong focus on quick turnaround and production stability. I understand you need crash fixes, performance tuning, package updates, Razorpay and Maps troubleshooting, OTP security, server support, testing, CI/CD, and store deployments. I offer React Native, Node.js, API integration, debugging, mobile development, and deployment expertise. Feel free to message me for a quick chat about your support requirements, pricing structure, and response expectations. Regards, Andrikos.
₹600 INR in 5 days
0.0
0.0

I have 12 years experience in web development. 700rs per hours Whatsapp and team Mevolife saas base Best regards
₹1,050 INR in 7 days
0.0
0.0

Hi, I’m a backend developer with strong experience in PHP/Laravel, REST APIs, databases, Linux environments, third-party integrations, and production troubleshooting. For your project, I can support the backend side of the application, including: * Diagnosing and fixing Node/API-related production issues * API debugging and integration issues * Payment gateway and third-party API troubleshooting * Authentication and OTP-related backend logic * Database and server-side issues * Reading logs and tracing production errors * Performance and API optimization * Server/deployment troubleshooting * Testing backend changes before release * Working with existing systems without disrupting the production environment My main expertise is Laravel/PHP rather than React Native, so I would be most effective handling the backend/API and server-side responsibilities while coordinating with the mobile developer when an issue requires frontend changes. For ad-hoc work, I’m comfortable working either per ticket or hourly depending on the issue and its scope. For urgent issues, I prefer communicating directly through the platform and can respond quickly when I’m available. I’d be happy to start with a small backend task so you can evaluate my work before assigning ongoing production support. Best regards, Salsabil
₹20,000 INR in 7 days
0.0
0.0

Hi, I am excited to offer my expertise for your on-demand React Native app support project. With over 5 years of experience in full-stack development, I specialize in creating scalable mobile applications and have a deep understanding of React Native. I can provide immediate assistance to enhance your app's functionality and performance. My approach includes: - Analyzing existing code to identify areas for optimization and improvement. - Implementing new features based on user feedback and business needs. - Ensuring seamless integration with backend services and third-party APIs. - Conducting thorough testing to guarantee a bug-free user experience. - Offering ongoing support and maintenance to keep your app running smoothly. I focus on delivering clean, maintainable code that aligns with your business objectives. My goal is to ensure your app not only meets current demands but is also scalable for future growth. Let’s collaborate to elevate your mobile app and provide an exceptional experience for your users. Best regards, Rubina
₹1,205 INR in 15 days
0.0
0.0

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