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I have the core AWS infrastructure set up including RDS MySQL database and ECS cluster/service for the Node.js backend. The backend is containerised and has been fixed to handle Redis connectivity issues gracefully. The React frontend applications (web and mobile) are developed but need full integration testing with the deployed backend before I can build production APKs for the Play Store and App Store. What's missing is completing the backend deployment, ensuring solid communication between the AWS backend and all frontends (no errors in API calls), and implementing monitoring systems to keep close watch on frontend-backend interactions. Specifically, I need someone to work alongside me over the next 10 days to: Finalize the backend deployment to ECS and verify it starts reliably Test all API endpoints from the React web app, store app, and driver app to ensure they work without errors Confirm CORS, authentication, and database connections function properly across all platforms Set up monitoring/logging systems to track API communication health and alert on issues Verify the apps are ready for production builds (environment configs, release settings) Ensure the health checks and error handling prevent crashes in production The goal is to have everything working seamlessly so I can confidently build and submit the mobile apps to app stores, with systems in place to monitor ongoing backend-frontend communication reliability. If you can jump in quickly and get us to that point, let’s talk. Important: This is a time-sensitive project with a 10-day deadline. The developer must be fully available during agreed hours and committed to meeting milestones on schedule. We'll be working closely together to tackle these items efficiently. If all goes well and the project is completed successfully, there will be additional ongoing work for them and their team helping with further development and maintenance of the platform
Projekt-ID: 40103804
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Aktiv vor 2 Monaten
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123 Freelancer bieten im Durchschnitt £15 GBP/Stunde für diesen Auftrag

Hi, I’ll help you finalize the AWS-React integration in 10 days by completing the ECS backend deployment, validating end-to-end API calls, and setting up monitoring to keep frontend-backend health in view. I’ll ensure the ECS service starts reliably with proper health checks and restart policies, then run comprehensive tests from your React web app, the store app, and the driver app to confirm all endpoints work and data flows are solid. I’ll verify CORS, authentication, and MySQL connectivity across all platforms, and implement a lightweight monitoring/logging setup that surfaces latency, error rates, and health signals with alerts. I’ll review environment configs and release settings to ensure production builds are clean, and harden error handling to prevent crashes in production. I’ll stay available during agreed hours, provide progress updates, and deliver a final health-check report so you can confidently submit APKs and App Store builds. Please confirm: the monitoring/alerting stack you want (CloudWatch alone or with a third‑party), production readiness criteria (env configs, release settings, health checks), any downtime window for final ECS deployment, and the top endpoints or flows you want prioritized for API testing. Best regards,
£18 GBP in 33 Tagen
9,2
9,2

Hello! This is exactly the kind of final-mile stabilization and production-readiness work I specialize in. With your AWS core already in place, the focus now is reliability, integration confidence, and observability before store submission—and I can jump in immediately. How I’d work with you over the next 10 days Backend finalization • Complete ECS deployment verification and startup reliability checks • Validate Redis, RDS MySQL, and service networking end-to-end • Harden health checks and error handling to prevent production crashes Frontend ↔ backend integration • Test all API endpoints from: – React web app – Store app – Driver app • Resolve CORS, auth, and environment config issues • Ensure consistent API responses and no silent failures Release readiness • Confirm prod configs for Android/iOS builds • Validate environment variables and release settings • Final smoke tests before Play Store / App Store builds Working style • Fully available during agreed hours • Daily checkpoints and clear milestones • Hands-on collaboration to move fast and unblock issues I have strong experience with AWS ECS, Node.js backends, React apps, and production monitoring, and I’m comfortable owning this critical phase under a tight deadline. Happy to start immediately and align on a day-by-day plan. If this sounds right, let’s connect and get you confidently to production. Best regards, Jenifer
£12 GBP in 40 Tagen
9,4
9,4

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 11+ years of proven experience in full-stack development and AWS deployment and confidently understand your requirement. The project goal is to finalize your AWS-React integration, ensuring all frontends communicate reliably with the backend while maintaining scalability and production readiness. -->> ECS backend deployment with stable container startup -->> API endpoint verification across web, store, and driver apps -->> CORS, auth, and database connectivity checks -->> Monitoring/logging setup for API health and alerts -->> Production-ready configuration for React web and mobile builds I follow a clean architecture approach with secure APIs, efficient integration, and an agile workflow to ensure smooth deployment and monitoring. I have some queries to ask regarding the project to proceed further. Thanks, Julian
£13 GBP in 40 Tagen
8,4
8,4

Hello there, I can assist you in finalizing the AWS-React integration with a focus on seamless backend deployment, thorough API testing, and robust monitoring systems. With the AWS infrastructure in place, I'll ensure the ECS deployment is reliable, API endpoints function correctly across all platforms, and CORS, authentication, and database connections are flawless. I'll work closely with you over the next 10 days to set up monitoring systems for API health and ensure the apps are ready for production builds with proper environment configurations and release settings. My goal is to enable you to confidently submit the mobile apps to the Play Store and App Store with ongoing backend-frontend communication reliability. Questions: • Do you have a preferred monitoring tool for tracking API health and alerts? • Are there specific hours you prefer for collaboration during this time-sensitive period? Looking forward to contributing to the successful completion of your project and potential ongoing collaboration. Thanks and best regards, Kamran
£18 GBP in 40 Tagen
8,1
8,1

Dear , We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in Mobile App Development, NoSQL Couch & Mongo, MySQL, Amazon Web Services, Node.js, Redis, AngularJS, Backend Development, Frontend Development, API Development and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details. Best regards, Sales department Tangram Canada Inc.
£22 GBP in 5 Tagen
8,4
8,4

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!!!
£13 GBP in 40 Tagen
7,1
7,1

I understand the urgency and high stakes of your project, and I believe my team at Einnovention are uniquely positioned to help you. We have a dedicated pool of experts for API and Mobile App development, moreover our wide-ranging exposure to backend infrastructure like AWS will be invaluable for the work you have at hand. You can rely on us to take care of your backend deployment, testing API endpoints, database connections and applying solid monitoring/logging systems. We understand that flawless communication between the AWS backend and all frontends is crucial for your project's success; this is something we specialize in. With dozens of similar projects under our belt, we've honed our skills not just in identifying potential issues but also in implementing protective measures to ensure smooth frontend-backend interconnections. Additionally, our approach at Einnovention gives prime importance to maintenance and continuous improvement. Hence even if we accomplish your project successfully within the tight 10-day deadline, you're promised ongoing support. We've found it's essential as platforms evolve. Do let me know if you require further information or would like us to start right away. Let's deliver on time and exceed your expectations!
£13 GBP in 40 Tagen
7,0
7,0

As an experienced full-stack developer with a solid 10+ years in the field, I believe I'm the perfect fit for your AWS-React Integration project. My background includes building websites using diverse stacks like React, Angular, and Node/Express on the frontend. Correspondingly, my expertise extends to backend technologies such as Node.js and MongoDB – all essential elements required for this project. In line with your project's description, I’ve had extensive exposure to AWS deployment over several projects. Additionally, I have a profound understanding of Linux System Administration which would help ensure strong communication between your AWS infrastructure and all frontend operations. I am well-versed in testing API endpoints ensuring zero errors span across distinctive platforms just as you require from this project. Not only can I successfully finalize your backend deployment in ECS but also outsource any lingering issues affecting Redis connectivity in your Node.js backend donnly accomplished this before
£15 GBP in 40 Tagen
6,6
6,6

Dear Hiring Manager, I have supported similar ECS-based deployments where frontend reliability, API stability, and monitoring are critical before app-store releases. I can work hands-on with you over the next 10 days to stabilise deployments, eliminate integration errors, and ensure production-ready builds with full observability in place. Implementation Approach: • Validate ECS task, service, and load balancer health for reliable backend startup • Test and fix all API flows from web, store, and driver React apps • Resolve CORS, auth, Redis, and RDS connectivity issues across environments • Implement logging, metrics, and alerts for API and container health Queries: • Are CloudWatch and ALB already configured for logging? • Is authentication handled via JWT, Cognito, or another service? • Do you have separate staging and production environments? I will be waiting for your response. Kindest Regards,
£15 GBP in 40 Tagen
6,8
6,8

Hi, I’ve reviewed your setup and understand that most of the core infrastructure is already in place AWS with RDS MySQL, ECS for the Node.js backend, Redis handling, and React web and mobile apps. What’s needed now is tightening the full-stack integration, validating API communication, and setting up proper monitoring so everything is production-ready. I’m a full-stack developer with hands-on experience in Node.js, React, AWS (ECS, RDS, CloudWatch), and Redis. I’ve worked on similar deployments where my role was to stabilize backend services, fix API issues, ensure CORS and authentication work correctly, and confirm smooth communication between backend and multiple frontend apps. Over the next 10 days, I can work closely with you to finalize ECS deployment, test all API endpoints across web, store, and driver apps, verify database and auth flows, and implement logging, health checks, and alerts. I’ll also review environment configs to make sure production builds for Play Store and App Store are ready. I can fully commit during agreed hours and follow milestone-based delivery. If things go well, I’m open to long-term collaboration for ongoing development and maintenance. Jump on call and discuss in details . Let’s connect and get everything running smoothly. Regards, Sagar
£10 GBP in 40 Tagen
6,4
6,4

Hello, Thank you so much for posting this opportunity. It sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards! Abhishek Saini
£13 GBP in 40 Tagen
6,3
6,3

Hi there I’ve worked on AWS setups very similar to this, with ECS, RDS MySQL, Redis and Node.js backends talking to React web and mobile apps. I can help finalize the ECS deployment, make sure services start reliably, and test every API from web, store, and driver apps with zero errors. I’ll verify CORS, auth flows, DB connections, and prepare proper prod configs so APK and App Store builds are safe to submit. I also set up CloudWatch logs, alarms, and health checks so frontend–backend issues are visible before they become problems. Regards Vijay
£13 GBP in 40 Tagen
6,1
6,1

Hello, Thanks for the invitation. I can work closely with you over the next 10 days to finalize the backend deployment and ensure smooth, error-free communication between your AWS backend and all React frontends. I’ll complete and verify the ECS deployment, test all API endpoints across web, store, and driver apps, and ensure CORS, authentication, Redis, and database connections are stable. I’ll also set up proper logging and monitoring to track API health, add reliable health checks, and confirm production-ready environment and release settings so you can confidently build and submit the mobile apps. I’m available immediately, can commit fully to the timeline, and am happy to continue with ongoing development and maintenance after this phase. Looking forward to working together. Ritu Gupta
£12 GBP in 30 Tagen
6,2
6,2

Hello, I understand you're in the crucial final stages of integrating your React web and mobile apps with your AWS infrastructure, ensuring a seamless backend deployment and robust communication across all components. With experience in Node.js, AWS ECS, and full-stack testing, I can assist you in finalizing your backend deployment, conducting thorough API endpoint testing, and establishing monitoring systems for reliable frontend-backend interactions. During this 10-day collaboration, I'll ensure all API calls are error-free, authentication and database connections are solid, and your applications are production-ready. Could you share more about your preferred tools or platforms for monitoring and logging API communications? Additionally, how do you envision the workflow for daily collaboration during this intensive timeline? I'm eager to help you achieve a successful launch and discuss how we can meet your project goals efficiently. Let's connect soon!
£10 GBP in 40 Tagen
5,9
5,9

Hi there, The risk of container instability or silent API failures often surfaces right at the production build stage, potentially delaying your app store submission by weeks. I will finalize your ECS deployment and secure the Node.js to React communication to ensure your 10-day deadline is met with zero errors in the production APKs. I have a couple of questions: Are you currently using an Application Load Balancer (ALB) for path-based routing, and do you have a preferred monitoring tool like CloudWatch RUM or Sentry for tracking the frontend-backend health? Let’s discuss your project now!
£12 GBP in 40 Tagen
5,8
5,8

Hi, I’ve done this exact phase many times—locking down ECS deployments, validating Node.js APIs against multiple React clients, and making sure everything is production-safe before store submissions. I’m comfortable jumping straight into AWS (ECS, RDS, Redis), tracing API calls end-to-end, fixing CORS/auth issues, and validating environment configs for release builds. I’ll work with you daily to finalize the backend deployment, test all frontend integrations, and set up clear monitoring and alerts so issues are caught early. Health checks, logging, and error handling will be verified so the apps don’t crash in production. I’m fully available during agreed hours and used to tight, milestone-driven timelines like this 10-day window. I can start immediately and stay on for ongoing work after a successful launch. Best regards, Elenilson
£13 GBP in 40 Tagen
5,9
5,9

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Stabilizing AWS ECS backend and React apps for production launch ))⚜⭐⭐⭐⭐⚜ Your setup is already past the hardest part, with AWS infrastructure, ECS services, and containerized Node.js in place. What you need now is confidence that everything talks to each other cleanly before store submissions, without surprises under production load. The focus here is validating end to end communication between the AWS backend and all React frontends, tightening deployment reliability, and putting monitoring in place so issues are visible before users feel them. This kind of final integration phase is where careful testing and environment discipline matter most. I have worked closely with teams during launch windows, aligning ECS deployments, API behavior, authentication, and environment configuration across web and mobile apps. My approach is structured, collaborative, and deadline driven, with daily checkpoints to keep momentum. Three areas I would prioritize immediately: 1. ECS service stability, health checks, and backend startup verification 2. Full API testing across web, store app, and driver app with CORS and auth validation 3. Monitoring and logging setup to track API health and catch errors early If you want someone fully available to push this safely over the finish line in the next ten days, let us discuss timelines and working hours. Warm Regards, Farhin B.
£10 GBP in 40 Tagen
6,4
6,4

As the stack’s functionalities are exactly in line with my core skillset, I am confident that I will be a valuable addition to your team. My expertise lies in backend development using Node.js and MySQL, and my work history includes not only building but also managing these systems on a cloud computing platform like AWS. Additionally, I have hands-on experience working with both web and mobile app development, making me an ideal candidate for ensuring that your React frontends are seamlessly integrated with the deployed backend. Moreover, my keen eye for detail has always allowed me to identify potential problems early on and address them proactively – ensuring that your APIs calls, CORS, authentication, and database communication across all platforms are error-free. Furthermore, my proficiency in monitoring and logging systems makes me well-suited to implement the required systems to track API communication health effectively- which is crucial given our time limit. My commitment to delivering high-quality work on-time aligns with the need for this project; working closely together for thorough and efficient completion of tasks is something I pride myself on. Let's collaborate and ensure your apps are ready for production builds without comprimising quality.
£20 GBP in 40 Tagen
5,8
5,8

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
£10 GBP in 40 Tagen
5,7
5,7

Hello, Hope you're doing well! I am a Mobile App Developer with experience in Android, iOS, Flutter, and React Native, and I can build a high-quality, fast, and user-friendly mobile application tailored to your requirements. Why Choose Me 1. Experience in Android (Java/Kotlin) and iOS (Swift) 2. Cross-platform app development using Flutter/React Native 3. Expertise in UI/UX, responsive screens, and smooth navigation 4. Experience with Firebase, APIs, Auth, Push Notifications 5. Clean, optimized, and well-structured code 6. End-to-end development: Design → Development → Testing → Deployment What I Can Deliver 1. Custom Android & iOS mobile application 2. Login/Signup (Email, Google, OTP, Social Login) 3. API integration (REST/GraphQL) 4. Payment gateway integration 5. Admin Panel (if required) 6. Real-time features (Chat, Notifications, Location) 7. Bug fixing, UI redesign, performance optimization 8. Play Store & App Store deployment support Availability I can start immediately and provide regular updates during development. Let’s Discuss Your Project Share your app idea or any reference app you like — I’ll provide: 1. Best technical approach 2. Timeline 3. Cost estimate Looking forward to working with you!
£10 GBP in 40 Tagen
5,7
5,7

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