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Our mobile app is already live on a staging domain, built with React Native, Node.js (Express) and MongoDB. I now need a full-stack developer who can dedicate the next seven days to finish three key items and move everything to our official domain. 1) Community auto-membership Every new registrant should be placed into the correct in-app community automatically when their professional email domain matches one that we map in the database. No manual steps—just detect, assign and save. 2) OTP email verification Before the first login the user must confirm ownership of that professional address. Generate a one-time six-digit code, send it via email, and allow a single attempt window with proper resend limits and expiry logic. 3) Production deployment The existing backend and admin panel sit on a temporary URL. I need them, plus the mobile build, moved to the new domain with clean environment variables, SSL, DNS, CI/CD (GitHub Actions or similar) and zero-downtime switchover. Deliverables • Updated React Native screens, API endpoints, MongoDB schemas and admin settings reflecting the new community logic and OTP flow • Tested builds (iOS & Android) signed for release and pointing to the production API • Source code in Git, deployment scripts and short hand-over note so I can replicate the setup later Tech stack keywords you’ll touch: React Native, Expo/CLI, Node.js, Express, MongoDB, Mongoose, JWT, Nodemailer (or SendGrid), Nginx/PM2, GitHub Actions. I’m available for quick daily stand-ups and will review PRs the same day. Let me know your approach and any clarifying questions so we can start immediately.
Projekt-ID: 40227177
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54 Freelancer bieten im Durchschnitt ₹10.343 INR für diesen Auftrag

Hi - Yes, I am an experienced React Native developer and can provide full-time dedicated support for next 7 days and complete your application to ready to publish mode. I have extensive experience in Node/Express, MongoDB and would love to do the same for you. Let's connect to get started asap. Thanks!
₹7.000 INR in 7 Tagen
8,3
8,3

As an experienced full-stack developer, I've spent over 11 years sharpening my skills in areas like JavaScript and Node.js. Your project calls for an expert well-versed in these fields and that's precisely who you'll be getting when you choose to work with me. I completely understand the importance of your three priority tasks and the expectation of moving everything swiftly to your official domain. I assure you, your website will be up and running live on its new domain within a week. Talking about your community auto-membership, I can simplify the user onboarding process by automatically placing new registrants into their respective in-app communities based on their email domains. With extensive experience in technology such as MongoDB, Mongoose, and Nodemailer (or SendGrid), I have a proven track record of successfully implementing such functionalities. To sum it up, what makes me stand out from others are the years of experience, deep technical understanding and meticulousness I bring to every assignment. I'm available for daily check-ins and promise efficient communications throughout. Trust me to deliver enhanced React Native features signified by error-proof testing, Git-controlled source codes along with a smooth switchover to your official domain. Choose me today and let's begin creating pathways for success!
₹7.000 INR in 5 Tagen
6,3
6,3

Hello, I have 5+ years of full-stack MERN experience and have worked extensively with React Native, Node.js (Express), MongoDB, JWT, and production deployments. Your 7-day scope is clear and achievable, and I can dedicate focused time to complete all three items. Approach: Community Auto-Membership Create domain–community mapping collection On registration, extract email domain → match → auto-assign community Store relation in user & community schema Admin option to manage mappings OTP Email Verification Generate secure 6-digit OTP Store hashed OTP + expiry in DB Single verification window with resend limit Email via Nodemailer / SendGrid Block login until verified Production Deployment Configure env variables, SSL, DNS Setup Nginx + PM2 CI/CD via GitHub Actions Zero-downtime switchover Update mobile builds to production API Deliverables: Updated RN screens, APIs, schemas & admin settings Signed Android & iOS builds Git repo, deployment scripts & handover doc I’m comfortable with daily stand-ups and same-day PR reviews. Ready to start immediately. Best, Bhargav
₹7.000 INR in 7 Tagen
5,6
5,6

Hello, I’ve gone through your job description and understand that you’re looking for a full-stack developer to implement community auto-membership logic, OTP email verification, and handle production deployment for your React Native app. With 5+ years of experience in full-stack development using React Native, Node.js, and MongoDB, I’ve successfully delivered similar feature implementations with a strong focus on reliability and timely delivery. What I can help you with: • Building automated domain-based community assignment and database logic • Implementing secure OTP email verification with expiry and resend controls • Managing production deployment, CI/CD setup, and zero-downtime migration Warm regards, Monica Bhatia
₹7.000 INR in 2 Tagen
4,5
4,5

Hi, I can dedicate the next 7 days to implement domain-based auto community assignment, secure OTP email verification with expiry/resend controls, and handle a clean zero-downtime production deployment (SSL, CI/CD, env config) across your React Native + Node/Mongo stack. Quick question: is your email service already set up (SendGrid/SMTP), or should I configure and optimize the delivery + domain authentication (SPF/DKIM) as part of the deployment? Can we discuss on chat. I can start immediately. Regards Abhishek
₹12.000 INR in 7 Tagen
5,1
5,1

Hi, I'm Raj Abhisek Panda, a technical consultant specializing in full-stack React Native development. After carefully reviewing your project requirements, I'm confident I can deliver exactly what you need within the seven-day timeline. Your project sounds exciting - a seamless community auto-membership and robust OTP verification system. From my initial review, I understand you need a smooth technical implementation that covers authentication, deployment, and user management. With my experience in React Native, Node.js, and MongoDB ecosystems, I can guarantee a professional and efficient solution. My proposed approach will involve: Implementing automated domain-based community assignment Creating a secure OTP verification workflow Setting up zero-downtime production deployment with proper CI/CD I've successfully handled similar projects involving React Native mobile apps and complex backend integrations. My technical toolkit perfectly matches your requirements - React Native, Node.js, Express, MongoDB, and deployment strategies. We can quickly discuss the specifics and I'm ready to start immediately. Feel free to ping me for a quick call to align on project details. Looking forward to helping you take your app to the next level! Best regards, Raj Abhisek Panda
₹12.500 INR in 7 Tagen
4,1
4,1

Hi there, I am a strong fit for this sprint because I have shipped React Native and Node.js applications with domain-based logic, OTP verification flows, and clean production deployments under tight timelines. I have implemented email-domain auto-assignment using MongoDB lookups, secure six-digit OTP flows with expiry and rate limits via Nodemailer or SendGrid, and managed zero-downtime migrations using Nginx, PM2, and GitHub Actions. I would add a domain-mapping collection with indexed lookups, build a token-based OTP verification layer with strict resend and expiry controls, update the React Native onboarding screens, and execute a staged production rollout with environment separation and SSL validation. I reduce risk by writing targeted tests for the OTP and community assignment logic, validating DNS and SSL before cutover, preparing rollback steps, and ensuring release-signed mobile builds point cleanly to the new API. I am ready to begin immediately and can commit fully for the next seven days to deliver all three items cleanly. Regards Chirag
₹7.000 INR in 7 Tagen
4,4
4,4

Hello, With 15+ years of full-stack experience across React Native, Node.js, Express, and MongoDB, I specialise in taking staging-ready apps to production with secure auth flows, automation, and zero-downtime deployments. I have implemented OTP systems, domain-based user routing, and CI/CD pipelines for mobile platforms, and I will share relevant production apps I’ve delivered in one-to-one chat. How I’ll execute your 7-day sprint • Implement auto-community assignment via domain-matching in MongoDB • Build secure 6-digit OTP email verification (expiry, resend limits, one-time use) • Update React Native screens + API endpoints for the new flow • Add JWT-safe verification & user state handling • Configure Nodemailer or SendGrid for reliable email delivery • Migrate backend & admin to your production domain • Set up Nginx, SSL, PM2 & GitHub Actions for zero-downtime CI/CD • Deliver signed iOS & Android builds pointing to production • Provide Git repo, deployment scripts & hand-over notes This ensures your app moves from staging to a fully verified, production-grade system in one focused delivery window. Regards, Abhijeet
₹18.000 INR in 7 Tagen
4,9
4,9

With nearly a decade in the industry, I've amassed ample experience in web and Mobile App development which will certainly be an asset for your React Native Full-Stack Enhancements project. Not only am I well-versed in JavaScript and Node.js which perfectly aligns with your requirements but I also have extensive expertise with React Native, MongoDB, Express, and other key elements of your tech stack. This means that I can skillfully navigate through the intricacies of your project. Furthermore, your emphasis on efficiency resonates profoundly with me. I understand the importance of delivering high-quality work within tight deadlines and my team is fully equipped to dedicate the next seven days exclusively to your project, completing the critical tasks such as community auto-membership, OTP email verification, and production deployment efficiently, skilfully and before time. To ensure fluid communication between us, I am available for quick daily stand-ups and guarantee PR reviews on the same day. Additionally, my mastery over Git means that you will receive clean source code, comprehensive deployment scripts along with a short hand-over note hands-on experience I believe that my extensive expertise not only covers your specific needs but exceeds them. Let us begin immediately!
₹15.000 INR in 7 Tagen
4,4
4,4

Navigating your app's technical challenges is what I do best, and the tasks you need accomplished perfectly align with my skillset. As the founder of OTUSONE, I've spent years refining my expertise in full-stack development. My knowledge of React Native, Node.js, Express, and MongoDB, combined with my experience in managing large-scale deployments, makes me well-equipped to handle all of your project's needs. The comprehensiveness and finesse that I bring to every project could ensure that your community auto-membership matches user emails to their respective in-app communities without any manual effort on your part. Similarly, my expertise in integrating OTP flows securely and efficiently will guarantee seamless email verification services. Additionally, our past projects gained Nginx/PM2 and CI/CD experience which will be useful to accomplish your overall deployment goals. When it comes to delivering work in a timely manner without compromising on quality, I am second to none. You can count on my daily stand-ups for effective communication and timely update review for a smooth project flow. Take a look at the feedback section on my profile; it speaks volumes about my dedication, technical competence, and consistent on-time delivery. With me onboard, you can be confident that your project will be completed to perfection within your proposed timeline.
₹15.000 INR in 10 Tagen
3,6
3,6

Hello, my name is Ritik Garg and I am a Full-Stack/Backend Developer with 8+ years of experience working with Python, Django, Restful APIs, Data Mining, Flask, Scrapy, Selenium, Fluter, Mobile Development, Node JS, Angular, React, AWS, DevOps, request, threading and selenium. I have the necessary skills and experience to complete your project within a month's timeline. I specialize in web scraping and have successfully completed many projects related to this. My goal is to give clients over 100% satisfaction by implementing their ideas accurately so that their business thrive and grow. Additionally, I guarantee perfect (100%) quality on every project while being on time and budget delivery as well as flexible work times.. If you choose me for this job, you can count on me providing excellent customer service while staying within your target deadline. Please let me know if you're interested in discussing further or have any other questions. Best regards!
₹7.000 INR in 7 Tagen
3,2
3,2

Hello, As a Full Stack Developer with extensive experience in API development, JavaScript, MongoDB, and Node.js, I am confident I can successfully complete your project. My past projects have been primarily focused on enhancing and optimizing the functionality of various web and mobile applications, which aligns perfectly with your need for three key enhancements to your app. In particular, my proficiency in React Native will allow me to make swift yet effective changes to the existing codebase, ensuring that the new functionalities (auto-membership, OTP email verification) are seamlessly integrated into your app. I understand the nuances of properly generating, sending, and verifying OTPs, as well as designing and managing databases for efficient community detection based on professional email domains. Furthermore, my expertise extends to production deployment and server management using Nginx/PM2 - setting up clean environment variables for better security measures won't be an issue. In fact, I am versed in CI/CD workflows like GitHub Actions which not only ensure a zero-downtime switchover but also provide solid foundations for future updates and maintenance. If you choose to work with me, you're selecting a reliable partner driven by a commitment to deliver top-notch digital solutions tailored to your needs. Thanks, Arshiya
₹12.000 INR in 7 Tagen
3,0
3,0

As an astute freelancer with over a decade of diversified experience in software development and digital marketing, I have successfully delivered projects that align with your needs. My expertise in React Native, Node.js, and Express specifically suit your project’s tech stack, ensuring a seamless integration process. I fully comprehend the importance of streamlining processes to enhance user experience, a skill which will be instrumental in my completion of your three key items. Migrating your app and backend to your official domain with zero downtime is a task I've accomplished numerous times, often utilizing technologies such as Nginx/PM2 and CI/CD tools like GitHub Actions to ensure smooth transitions. Moreover, I understand your need for clarity in documentation and replication of the setup later. With me, you get thorough source code management on proven platforms like Git, well-documented deployment scripts, and a roadmap that simplifies future enhancements. Let's connect soon to discuss my approach towards your project's eco-system and set the tone for a high-functioning collaboration
₹12.000 INR in 7 Tagen
1,9
1,9

Hi, I can dedicate the next seven days to completing the three key items you outlined: automatic community membership, OTP email verification, and full production deployment. My approach will be to update the React Native screens, backend APIs, and MongoDB schemas for the new logic, implement secure OTP flows with Nodemailer/SendGrid, and configure CI/CD pipelines with GitHub Actions for a zero‑downtime switchover. You’ll receive tested iOS and Android builds pointing to the production API, deployment scripts, and a clear hand‑over guide. I have hands‑on experience with React Native, Node.js, Express, MongoDB, JWT, and production deployments using Nginx/PM2, and I’ll provide daily updates to keep progress transparent. Looking forward to working with you! -Tamanna
₹15.000 INR in 8 Tagen
0,4
0,4

Hi, there. I’ll finish your React Native app by extending the Node.js + Express APIs, updating MongoDB/Mongoose schemas, and wiring OTP email verification with JWT plus Nodemailer, then auto-assign communities by matching email domains in 1 lookup table. I’ll handle CI/CD with GitHub Actions, Nginx/PM2, SSL, DNS, and env separation to ship iOS + Android builds with 0 downtime and 100 percent production parity. You’ll receive updated screens, endpoints, 3 core flows, signed builds, and clean deployment scripts. I’ve delivered 6 full-stack mobile projects using React Native with MongoDB backends, adding OTP systems, domain-based onboarding, and production rollouts that reduced signup friction by ~22 percent and cut auth errors by 30 percent. My approach uses 1-time codes (6 digits), single-attempt windows, resend limits, and expiry logic, plus automated community assignment in under 200 ms per registration. I also provide concise handover notes so you can reproduce everything later. If this sounds good, connect in chat and we can start. Thanks, Jaroslav Caprata
₹7.000 INR in 1 Tag
0,0
0,0

I will implement domain-based auto membership, secure OTP email verification, and handle full production deployment with CI/CD and zero downtime.
₹7.000 INR in 7 Tagen
0,0
0,0

Hello, I can dedicate the next 15 days exclusively to completing these features and handling a clean production migration. Approach: For community auto-membership, I’ll implement domain parsing at registration, map verified domains in a dedicated MongoDB collection, and auto-assign the correct community via a transactional save flow to avoid race conditions. For OTP verification, I’ll build a secure 6-digit token system with hashed storage, expiry (e.g., 10 minutes), single active OTP per user, resend throttling, and attempt limits. Delivery via Nodemailer or SendGrid, with JWT issued only after verification. For deployment, I’ll configure environment-based builds, Nginx + PM2, SSL (Let’s Encrypt), DNS switch, and GitHub Actions CI/CD for zero-downtime rollout. Ready to start immediately.
₹12.000 INR in 15 Tagen
0,0
0,0

- Complete NO issues you can ask me - React Native, Expo/CLI experience + DevOps all handled - Backend Expert Regards, Raj (Expert Architect | 5+ Years Experience)
₹12.500 INR in 7 Tagen
0,0
0,0

Hey, This sounds like a well-structured project with clear priorities exactly the kind of focused sprint I enjoy taking ownership of. I’ve worked on several **React Native + Node.js + MongoDB** stacks, handling both app-side logic and backend deployments, so I can jump in immediately and deliver the three items end-to-end within your 7-day window. You’ll get well-documented commits, reproducible deployment scripts, and a quick hand-over guide so your team can maintain it smoothly. I can start right away and will stay available for daily stand-ups and same-day PR reviews. Would you like me to outline a one-week timeline so you can see how I’d sequence the work? Best, Anil
₹12.500 INR in 7 Tagen
0,0
0,0

As an experienced full-stack developer with a deep understanding of MongoDB and Node.js, I believe I'm the perfect fit for your React Native enhancement project. My expertise isn't limited to just coding and development; it extends to the entire stack you're working with, including deployment and maintenance. I'm not only familiar with the tech stack keywords involved, like React Native, Node.js, Express, MongoDB, but have used most of them extensively in my 5-year career to deliver outstanding results. A standout feature of my work is my commitment to delivering measurable results - something I know is important to you. Over the years, I've developed an innate understanding of the interplay between creative design and robust backend functionality - a combination that your project demands. My track record includes creating efficient automation systems as well as flexible APIs custom-fit for specific needs. For instance, I've successfully integrated OTP verification systems in various scenarios and have a good grasp of what works best for different user bases. One other thing to note is that my experience isn't just about getting the job done; it's about ensuring seamless transition between stages. I can assure you a problem-free migration of all your existing features while adding the new functionalities you require.
₹7.000 INR in 7 Tagen
0,0
0,0

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