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I already have a partially-built web app running on React for the front end, [login to view URL] for the API layer, and Firebase for authentication, data, and hosting. The skeleton is there, but many screens are still placeholders and several workflows are unfinished. I’m looking for a developer who can take this codebase, finish every remaining module, tighten the architecture, and deliver a production-ready release. Here’s the kind of help I need: • Audit the current repository, then map out what’s missing. • Finish all remaining UI screens and the matching Express endpoints. • Connect each screen to Firebase services—Auth, Firestore, Storage, Cloud Functions, and if useful, Messaging for real-time updates. • Set up clean error handling, secure Firestore rules, and optimise both client bundle size and server response times. • Add automated unit and end-to-end tests, then wire everything into a CI/CD pipeline that deploys straight to Firebase Hosting (or another host we agree on). • Produce a clear README and quick-start guide. • Walk me through the finished product so I can maintain it confidently. Deliverables 1. Updated code in Git with logical, well-named commits. 2. A fully working production build deployed to my Firebase project (or an alternative cloud target we define together). 3. Test suite with high coverage and a green CI/CD pipeline. 4. Documentation covering local setup, environment variables, deployment steps, and architecture decisions. 5. Final handover call or video walk-through. Acceptance criteria • All existing and new features function across current Chrome, Firefox, and Safari. • ESLint shows no critical or high-severity errors. • Lighthouse performance score of 85+ on desktop. Once we connect, I’ll share the repository link and Figma screens so you can size the effort accurately. If you’ve shipped React-Express-Firebase apps before, especially those with real-time features, let’s talk.
Project ID: 40589983
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106 freelancers are bidding on average ₹52,331 INR for this job

Having spearheaded numerous React-Express-Firebase projects with real-time features, my team at CnELIndia embodies the ideal choice to streamline and fortify your existing codebase. Our 18 years in the industry have equipped us with the skills needed to meticulously audit your current repository, identify any gaps, and then deftly construct a comprehensive plan to address these shortcomings. In addition to completing all UI screens, Express endpoints, and integrating Firebase services to enhance your app's efficiency, our disciplined approach will ensure clean error handling and robust Firebase encryption for secure data management. With a acute knowledge of optimizing both client bundle size and server response times, we vow to furnish you with an easy-to-maintain, high-performing application. Moreover, we appreciate the value of foolproof testing and seamless deployment. Thus our work would also encompas automated unit and end-to-end tests; wiring everything into a CI/CD bouquet that will be coupled with Firebase Hosting unless instructed otherwise. Once completed, we guarantee a comprehensive README that will allow you to confidently maintain the application going forward.
₹56,250 INR in 7 days
9.0
9.0

Hi, I will take your partially built React, Express, and Firebase codebase, finish every placeholder screen and unfinished workflow, and deliver a production-ready app with a green CI/CD pipeline, Firestore security rules, and a Lighthouse score above 85. On a similar React/Firebase project, setting up Firestore rules and optimizing the client bundle early prevented two full rounds of refactoring later. I will audit your repo first so nothing gets missed. Questions: 1) How many placeholder screens remain roughly, and do all of them have matching Figma designs ready? 2) Are you already using Cloud Functions in the current codebase, or will those be net new? Share the repo link and Figma screens and I will map out every missing module with a clear task list before writing any code. Best regards, Kamran
₹42,702 INR in 13 days
8.6
8.6

Your Firebase Firestore rules are probably wide open right now, which means anyone with your project ID can read or write data directly. That's a critical security gap before you go live. Quick questions - are you planning to handle more than 500 concurrent users at launch, and do you need offline-first capabilities or just standard real-time sync? Here is the architectural approach: - REACT + EXPRESS: Refactor API routes into versioned modules (/v1/auth, /v1/data) with centralized error middleware so debugging does not require digging through scattered try-catch blocks. - FIREBASE INTEGRATION: Lock down Firestore security rules using role-based access control, implement Cloud Functions for server-side validation, and add Firebase Storage signed URLs to prevent unauthorized file access. - CI/CD PIPELINE: Build GitHub Actions workflow that runs ESLint, Jest unit tests, Cypress e2e tests, then auto-deploys to Firebase Hosting only when all checks pass and Lighthouse scores hit your 85+ threshold. I've delivered 8 production React-Firebase apps that scaled past 10K active users without performance degradation. Let's schedule a 20-minute technical call to review your repo structure and confirm the security model before I scope the full build.
₹50,630 INR in 21 days
7.4
7.4

Hello, I have 10 years of experience developing and modernizing full-stack web applications using React, Node.js, Express, and Firebase. I can begin by auditing your existing codebase, identifying unfinished modules, and creating a structured implementation plan before completing the remaining UI, API endpoints, and Firebase integrations. I also have experience setting up automated testing, CI/CD pipelines, and production deployments to ensure reliable releases. The project will include comprehensive documentation, a smooth handover, and a scalable foundation for future enhancements. I would be glad to review your repository and Figma designs to discuss the best implementation strategy and project timeline. Best regards
₹37,500 INR in 7 days
7.0
7.0

As an experienced full-stack developer with a successful track record in delivering high-quality projects, I believe I am the ideal candidate for your React-Express-Firebase build. My core expertise aligns perfectly with your project needs; from extensive knowledge in developing scalable web and mobile applications using React and Node.js, to my proficiency in integrating APIs and working with cloud-based solutions like firebase, I have the tools you need to bring your app to fruition. With each project I undertake, my aim is the same as yours - to provide a clean architectural solution that focuses on performance and is easily maintainable. Over the years, I have honed my skills in delivering fully-optimized production builds while ensuring a robust CI/CD pipeline. This involves generating comprehensive documentation that is clear and detailed enough for anyone to understand the architecture decisions made. In collaborating on this project together, I would also be able to guide you through the deliverables, ensuring your confidence in managing and maintaining your completed application.
₹37,500 INR in 6 days
7.1
7.1

I can help finish the remaining UI screens and connect them to Firebase services as outlined in your project. My first step will be to audit the existing codebase to identify what's missing and how to tighten the architecture. Based in Toronto, I work efficiently and maintain open communication throughout the project. Let’s connect to discuss your needs further.
₹37,500 INR in 7 days
6.6
6.6

Hi, I’m Armin Nikdel. I’ve reviewed your React-Express-Firebase stack and can take the existing codebase to a production-ready release within your timeline. My approach starts with a full repository audit to map missing modules, then I’ll complete all UI screens and Express endpoints, integrating Firebase Auth, Firestore, Storage, and Cloud Functions. For real-time updates, I’ll use Firestore’s built-in listeners rather than adding Firebase Messaging unless you have a specific push-notification requirement. I’ll enforce secure Firestore rules with server-side validation, parameterized queries, and least-data logging. The build will include automated unit and end-to-end tests, a CI/CD pipeline deploying to Firebase Hosting, and a Lighthouse performance target of 85+ on desktop. I’ll also provide a clear README covering setup, environment variables, and architecture decisions. I can deliver this in around 20 days for INR 39500. One clarification: do you have Figma screens for all remaining views, or will some need to be designed from existing patterns? That will help me size the UI effort accurately.
₹39,500 INR in 20 days
6.0
6.0

I can start by auditing your current repo to map exactly what’s missing and identify any architecture weak spots. From there, I will finish the remaining UI screens and build Express endpoints that connect smoothly with Firebase Auth, Firestore, Storage, and Cloud Functions. For real-time updates, I can integrate Firebase Messaging where it adds clear value. I’ve worked on React-Express apps syncing complex workflows with Firebase, including securing Firestore rules and optimizing bundle size for faster load times. Setting up automated unit and e2e tests, with a CI/CD pipeline deploying straight to Firebase Hosting, is a standard step I handle to ensure stable releases. Do you have preferred testing frameworks, or are you open to suggestions like Jest for unit tests and Cypress for end-to-end? Also, would you like me to explore Firebase Functions for backend logic beyond Express endpoints to reduce latency? I’ll deliver clean commits, thorough documentation for setup and deployment, plus a final walk-through so you can easily maintain the app. Ready to dive in as soon as I get access to the repo and Figma screens.
₹37,500 INR in 7 days
6.0
6.0

As a seasoned developer with comprehensive expertise in React, Express, and Firebase, I'm the perfect fit for your incomplete project. My forte lies in transforming scattered codebases into feature-rich, production-ready applications that perform seamlessly across all major browsers. I fully understand the intricacies of connecting each UI screen to its matching Express endpoints and integrating them with various Firebase services including Auth, Firestore, Storage, Cloud Functions. Additionally, I can also implement real-time updates through Messaging if useful to your specific needs. This paired with my clean error handling skills and the ability to optimize bundle size and server response times ensures a fluid user experience even under demanding situations. Reflecting on my long list of successfully deployed projects with automated testing and CI/CD pipelines, you can expect meticulous unit and end-to-end testing as well as smooth deployment onto a secure hosting platform of our choice.
₹40,000 INR in 6 days
5.2
5.2

Being a dedicated team lead with extensive proficiency in JavaScript and Node.js, I believe that my team and I can provide you with the perfect solution to complete your React-Express-Firebase build. With our profound understanding of the full-stack development process, we’ve successfully implemented many innovative projects similar to yours. Our skills perfectly align with what you seek - finishing remaining UI screens, connecting to Firebase services, optimizing performance, setting up secure Firestore rules, implementing automated testing, providing thorough documentation, and delivering a production-ready app. We have the expertise to not only meet but exceed your expectations. Furthermore, our experience with Cloud (AWS, GCP, Azure), CI/CD implementation and repository management on Git make us an ideal candidate for your project. We conduct thorough code audits which will enable us to identify any missing modules or workflows in your codebase. Additionally, we maintain a sound communication channel throughout the project lifecycle ensuring that we understand your needs and preferences thoroughly. Hire me and my team for a seamless transition from current to complete codebase with utmost client satisfaction!
₹40,000 INR in 7 days
5.3
5.3

Hi, I have read your job description carefully. You have a partially-built React/Express/Firebase app with placeholder screens and unfinished workflows, and want it audited, completed, connected properly to Firebase Auth, Firestore, Storage, and Cloud Functions, tested, and deployed through a CI/CD pipeline with clean documentation. I have real experience about that, finishing partially-built React/Express/Firebase apps and setting up production-ready CI/CD pipelines. Plan: audit the repository first to map exactly what's missing, finish the remaining UI screens and matching Express endpoints, connect everything properly to Firebase services with secure Firestore rules and clean error handling, then add unit and end-to-end tests and wire up CI/CD deploying to Firebase Hosting. I'll optimize bundle size and response times to hit your Lighthouse 85+ target, then hand over with full documentation and a walkthrough. Timeline: 8 ~10 days once I have repo and Figma access. Budget: ₹50,000 fixed. Happy to share similar React/Express/Firebase project examples. Thanks.
₹50,000 INR in 10 days
4.5
4.5

Hi there! I'm excited to dive into your React-Express-Firebase project and bring it to life. I understand the importance of completing the missing modules and refining the architecture to ensure a seamless user experience. Here's how I can help: - Conduct a thorough audit of the current repository to identify gaps. - Finish all pending UI screens and corresponding Express endpoints. - Integrate Firebase services for authentication, data management, and real-time updates. - Implement robust error handling, secure Firestore rules, and optimize performance. - Establish automated testing and CI/CD deployment processes. - Provide comprehensive documentation and a walkthrough for easy maintenance. With hands-on experience in React-Express-Firebase development, I'm confident in delivering a polished, production-ready solution. Let's discuss further and bring your project to fruition!
₹56,250 INR in 7 days
4.7
4.7

As a seasoned full-stack developer with a specialization in API development, I believe I am the perfect fit for your React-Express-Firebase project. My extensive experience in similar projects will ensure that not only do I deliver on all the existing features, but also add any new functionalities seamlessly. Furthermore, as an expert in JavaScript, PHP, and CI/CD, I am fully equipped to keep your project secure and optimize it for high performance. Offering more than just coding skills, my approach to development includes thorough planning and conducting detailed audits of existing codebases. This would include mapping out what’s missing - a crucial step in ensuring efficient development progressions. Additionally, I enforce usage of logical and well-named commits on Git to prevent any confusion or mishandlings. These efforts are further reinforced by my deep understanding of CI/CD pipelines which will guarantee you a green and comprehensive test suite coverage.
₹37,500 INR in 5 days
4.4
4.4

Built custom SaaS dashboards and API-heavy apps with React, Express, and Firebase. The skeleton-to-production gap you're describing is exactly what I handle regularly — audit the repo, map missing modules, finish screens and Express endpoints, then wire Auth/Firestore/Storage/Cloud Functions cleanly. Clean architecture, documented handoff. Can start today and deliver a working milestone within 7 days. What's the one module that's furthest from done?
₹39,190 INR in 7 days
4.6
4.6

As an experienced full-stack developer specializing in building scalable and high-performance software solutions, your project couldn't resonate more with my skill set. Having worked extensively on React-Express-Firebase projects, I understand the intricacies involved and can confidently complete every module that's missing, ensuring a production-ready release. Moreover, I bring robust expertise in API development and third-party integrations coupled with a deep understanding of Firebase services - Auth, Firestore, Storage, Cloud Functions, and Messaging. I can efficiently connect each screen to these services while also securing Firestore rules to guarantee your application remains resilient. In addition, my experience with cloud solutions such as AWS, Azure, and Google Cloud means I can design a secure and scalable architecture for your project. This includes optimizing both client bundle size and server response times to enhance performance - something that sets me apart! Lastly, I ensure effective documentation and clear communication so that you'll be able to maintain the product with utmost confidence even after delivery.
₹56,250 INR in 7 days
4.0
4.0

Hi I can complete your React-Express-Firebase project within the given budget of 37500-75000 INR by finishing the remaining modules, tightening the architecture, and delivering a production-ready release, including audit, UI screens, Express endpoints, Firebase services integration, error handling, tests, CI/CD pipeline, and documentation. Waiting for your response in chat! Best Regards.
₹56,250 INR in 3 days
3.8
3.8

As a skilled full-stack developer with 8+ years of experience, particularly in the areas of backend service development and database optimization, I am confident that I am the ideal freelancer to successfully complete your React-Express-Firebase project. Your project requirements align perfectly with my skills and expertise - from auditing and mapping the current repository to finishing up any unfinished modules and connecting screens to Firebase services. Additionally, my extensive experience with mobile app development on both iOS and Android platforms and my proficiency in using Figma will be valuable in accurately sizing the effort needed for your project. On top of that, I am well-versed in CI/CD pipelines and can efficiently deploy to Firebase Hosting or any other cloud target we define together. Moreover, my dedication towards quality shines through my proactive approach to ensuring clean error handling, optimizing bundle size for quicker downloads, establishing secure Firestore rules, as well as adding automated unit and end-to-end tests for smoother workflows and easier maintenance. I look forward to working collaboratively with you to deliver a fully functioning production build deployed to your Firebase project with top-notch performance. Let's turn your vision into a reliable, production-ready reality!
₹40,000 INR in 30 days
4.7
4.7

Hi, I reviewed your project: Complete React-Express-Firebase Build. Your requirement involves Firebase, Microsoft Azure, and/or Power Platform integration—not a generic Laravel build. I can design the required data flow, connect APIs and cloud services, automate business processes, and implement secure synchronization with clear logging, monitoring, and error handling. I can work with Firebase/Firestore, Cloud Functions, Azure Functions, Azure Data Factory, Azure SQL, Dataverse, Power Apps, Power Automate, Power BI, .NET/C#, REST APIs, authentication, and production deployment. I will first confirm your current architecture, data sources, required workflows, access model, and acceptance criteria, then provide a practical implementation plan. Portfolio: https://www.freelancer.com/u/irfanui Regards, Mohammad 4th Dimension Partners
₹75,000 INR in 25 days
3.7
3.7

Hi. This project needs more than finishing screens; the React, Express, and Firebase layers must be aligned into one stable production architecture. I can audit the repository, complete missing modules, connect Firebase services, secure Firestore rules, add tests and CI/CD, optimize performance, and deliver clean documentation with a maintainable deployment flow. Can you share the repo and Figma so I can identify the unfinished workflows first? Thanks Srdan.
₹50,000 INR in 7 days
3.4
3.4

I can take your existing React + Express + Firebase application from its current MVP state to a production-ready release by auditing the codebase, completing all remaining UI screens and backend APIs, integrating Firebase services, strengthening security and performance, adding automated testing, and implementing a robust CI/CD pipeline. You'll receive clean, well-documented code, a deployed production build, comprehensive documentation, and a complete handover to ensure your application is scalable, maintainable, and ready for launch.
₹56,250 INR in 7 days
3.2
3.2

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