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I’m building ReFocus, a digital-wellness web app for students, and I need an experienced Node.js / Express / MongoDB developer (full-stack is a plus) to finish and fix the backend + role-based flows. Current status Frontend: React + Vite, deployed on Vercel (working). Backend: Node.js, Express, Mongoose, JWT auth, MongoDB Atlas. Basic auth routes exist but are incomplete/buggy. User roles: admin, coach, user. What I need Review and clean up existing backend code and API structure. Fix and finalize authentication & authorization: Login / register Email / password rules (simpler rules) Proper role-based access so each role only sees their own dashboard and pages (admin dashboard, coach dashboard, normal user pages). Implement / complete main features: User profile & survey data Challenges system (CRUD + assigning challenges to users) Coach application & approval flow by admin Any missing endpoints used by the frontend. Improve error handling and consistent API responses for all pages. Connect backend with existing frontend (update endpoints if needed). Basic tests + documentation (README with how to run the project). Help me deploy the backend (Render/other) so it works with my Vercel frontend. Requirements Strong experience with Node.js, Express, MongoDB, Mongoose, JWT. Comfortable working with an existing codebase and explaining changes. Communicate clearly and share work through Git/GitHub.
Proje No: 40051377
89 teklifler
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89 freelancer bu proje için ortalama $176 USD teklif veriyor

I’ve built several Node.js + Express + MongoDB backends with role-based flows, so reviewing your current codebase and stabilizing the API structure is very straightforward for me. I can clean up the auth logic, simplify your email/password rules, and fix JWT + RBAC so admin, coach, and users each get only their allowed dashboards. I’ll complete all missing features like profiles, surveys, challenges CRUD, assignments, and the coach application + approval flow. I can unify your error handling and response format so the frontend gets predictable JSON everywhere. I’ll sync your React/Vite frontend with updated endpoints, add basic tests, write a clear README, and help deploy the backend on Render or another provider. I can start your project immediately.
$140 USD 7 gün içinde
5,9
5,9

Greetings! I'm Pllavi, a full-stack software engineer with over a decade of experience, specializing in ReactJs, NodeJs, MongoDB, and ExpressJs - all of which align perfectly with your project requirements for ReFocus App. My proficiency in these technologies gives me a holistic approach to your challenge and allows me to navigate seamlessly through existing code structures. What sets me apart is my ability to take on complex projects and deliver sound solutions effectively and efficiently. Having worked with multiple companies on large scale app development projects which required excellent authentication & authorization control such as this one, I am confident that I can review and clean up your existing backend code perfectly whilst ensuring proper role-based access for each user. Additionally, I'm very comfortable using GIT/GitHub for sharing work and am an excellent communicator; two traits that are crucial for team collaboration. I understand that your timeline is tight; and I assure you that not only can I finish and fix the backend of your ReFocus app within 24 hours but also provide comprehensive documentation along with satisfactory results. Let's discuss further how we can bring the essence of digital-wellness to life through ReFocus!
$80 USD 7 gün içinde
5,4
5,4

⚠️Most projects don’t meet our internal criteria — yours clearly does.⚠️ I noticed your goal to finalize and secure a Node.js, Express, MongoDB backend with robust role-based access for ReFocus’s digital-wellness platform. These scalable, data-driven ecosystems align perfectly with DigitaSyndicate’s core expertise. At DigitaSyndicate, a UK based digital systems agency, we build precision engineered automation, web platforms, and AI powered ecosystems designed for scalability. Our approach ensures intuitive interfaces, secure authentication flows, and future proof architecture. Recently we delivered a complex role-based access system for a student-facing wellness app, where our focus on clean API design and seamless backend-frontend integration accelerated deployment and improved user experience. Can you share your priorities and timelines so I can map the execution? Casper M. Project Lead | DigitaSyndicate Precision-Built Digital Systems.
$200 USD 14 gün içinde
5,5
5,5

I have reviewed the requirements for the Node.js Developer for ReFocus App project and believe that my skills in NoSQL Couch & Mongo, Node.js, Express JS, AngularJS, and Full Stack Development are a great match. The budget can be adjusted once the full project scope is discussed, and my priority will be to complete this project within your budget and the minimum possible. I am confident and eager to start working on cleaning up the backend code, fixing authentication & authorization, and completing the main features as outlined. Let's discuss the job details further and get started on this project. Please go through my profile to see the work I have done over the years. No Win No Fee means that your satisfaction is my utmost priority. Looking forward to hearing from you.
$175 USD 7 gün içinde
5,4
5,4

I can help you finish and stabilize the backend of ReFocus, ensuring your digital-wellness web app for students works flawlessly. I understand that you need a Node.js / Express / MongoDB backend that supports multiple user roles—admin, coach, and normal users—with proper authentication, role-based access, and full feature support. The system must integrate seamlessly with your existing React + Vite frontend while providing clean, reliable API responses and robust error handling. With 6+ years of experience in full-stack development, I have successfully cleaned up and optimized existing Node.js backends, implemented JWT-based auth, designed role-based access flows, and connected APIs to dynamic frontends. I’ve also delivered projects with surveys, challenge systems, and admin approval workflows—exactly the kind of functionality ReFocus requires. I can review your current backend, fix bugs, finalize all endpoints, implement missing features, write basic tests, provide clear documentation, and help deploy it so it works perfectly with your Vercel frontend. I’d be happy to start a conversation to go over your current codebase and outline how I can bring ReFocus to a production-ready state. Best regards, Nikita Gupta
$140 USD 7 gün içinde
5,5
5,5

Hi there, I'm a skilled Node.js developer with expertise in Express and MongoDB. I've worked on similar projects and can help complete ReFocus app's backend in 24 hours. I'll review, clean up the code, fix authentication, implement user roles, challenges system, and improve error handling. Let's connect the backend with the frontend, conduct tests, and deploy it seamlessly. Looking forward to delivering exceptional results. How can I assist you with ReFocus app?
$100 USD 2 gün içinde
5,0
5,0

Hello, I have extensive experience in the mentioned technologies and am ready to start immediately. Let’s connect via chat to discuss the project requirements further. Thank you, Jignesh
$240 USD 2 gün içinde
5,2
5,2

Hello, I am a Node.js Developer with 15+ years of experience in building scalable, secure, and high-performance backend systems. I specialize in RESTful APIs, real-time applications, server-side development, and database integration (MySQL, MongoDB, etc.). I focus on writing clean, optimized, and maintainable code to ensure speed and reliability. Recently, I also worked on OpenAI API integration for auto-generated articles, images, and social sharing, which highlights my ability to adopt the latest technologies into modern applications. If you are looking for a dedicated Node.js expert who ensures quality, innovation, and timely delivery, I’d be happy to work on your project.
$100 USD 7 gün içinde
5,3
5,3

Dear Hiring Manager, I can help finalize the backend and ensure smooth role-based user flows within your 24-hour delivery window. Implementation Approach: * Review and refactor existing Express routes, controllers, and Mongoose models for consistency. * Fix and complete JWT-based auth (login/register), apply simplified password rules, and implement strict role-based middleware for admin/coach/user dashboards. * Build/finish core modules: user profiles, survey handling, challenge CRUD, challenge assignment, and coach application + admin approval. * Standardize error handling and response format across all endpoints. * Sync backend with existing frontend routes and deploy to Render (or preferred platform). Queries: 1. Do you have a specific flow/UI for the coach approval process? 2. Which endpoints are currently failing on the frontend? 3. Should I include Swagger/OpenAPI docs or stick to a simple README? I look forward to hearing from you. Kindest Regards,
$850 USD 18 gün içinde
5,5
5,5

Hi Khawlah, I understand you're looking to complete the ReFocus app efficiently within 24 hours. With extensive experience in Node.js, Express, and MongoDB, I can quickly review and clean up your existing backend code while addressing all critical auth and role-based flows. My approach includes: - Fixing and finalizing authentication (login/register), simplifying email/password rules. - Establishing proper role-based access for admin, coach, and user dashboards. - Implementing and completing features like user profiles, challenge systems, and coach applications. - Improving error handling and ensuring consistent API responses. Let's discuss how we can achieve this milestone together. What specific features do you prioritize for the user dashboard? Thanks,
$250 USD 12 gün içinde
4,6
4,6

Hello, I am a friendly and reliable full-stack developer with solid experience in Shopify, WordPress, PHP, Laravel, React, Node.js, Odoo, and mobile app development (Flutter/React Native). I love building clean, fast, and user-friendly web and mobile solutions. Whether you need custom features, API integrations, Odoo workflows, mobile apps, or UI/UX improvements, I’m here to help. I communicate clearly, deliver on time, and always aim to build long-term working relationships. Happy to support your project anytime! With Regards! Nikhil
$250 USD 7 gün içinde
5,2
5,2

Hi there, I understand the urgency of completing the ReFocus app, and I am confident that my experience with Node.js, Express, and MongoDB aligns perfectly with your needs. With a solid background in developing and refining backend systems, I can efficiently review and enhance your existing code while ensuring robust authentication and authorization flows. I will focus on cleaning up the backend code, finalizing the login/register processes with simplified email/password rules, and ensuring that each user role has the appropriate access to their respective dashboards. Additionally, I will implement the necessary features such as the user profile, challenges system, and coach approval workflow while improving error handling and API response consistency. With a timeline of just 24 hours, I can ensure your backend is connected seamlessly with the React frontend deployed on Vercel. Let’s discuss any specific requirements you may have and finalize the plan.
$155 USD 3 gün içinde
4,8
4,8

**Hello! 20% Discount** — We recently completed a **Node.js/Express/Mongo role-based system 3 weeks ago**, so we can **start immediately**, fix your backend bugs, finalize auth + dashboards, and fully connect with your React app — plus **clean API docs + smooth deployment + 30 days free support** for peace of mind.
$140 USD 3 gün içinde
5,2
5,2

Hi there,Good morning I am Talha. I can work with your project skills NoSQL Couch & Mongo, API Development, AngularJS, Node.js, MongoDB, Web Application, Express JS, Full Stack Development, Backend Development and Frontend Development I am excited to present my proposal, which centers around a personalized approach designed to elevate your project. We will start with an in-depth consultation to gain a deep understanding of your project's unique requirements, goals, and constraints. Our commitment to customization means that we will tailor our services to align perfectly with your project, and we will explain how this approach will meet your expectations. Please note that the initial bid is an estimate, and the final quote will be provided after a thorough discussion of the project requirements or upon reviewing any detailed documentation you can share. Could you please share any available detailed documentation? I'm also open to further discussions to explore specific aspects of the project. Thanks Regards. Talha Ramzan
$30 USD 11 gün içinde
4,4
4,4

We've just completed a similar project helping a service business streamline their backend while improving role-based access and user management. I’ll help you finalize and clean up your backend, ensuring seamless authentication and authorization flows. Your need for clean, user-friendly, and integrated role-based dashboards stands out, and I’m confident in handling Node.js, Express, MongoDB, and JWT to deliver just that. I’m comfortable navigating existing codebases, improving API consistency, adding missing endpoints, and supporting deployment alongside your Vercel frontend. I'd love to chat about your project! The worst that can happen is you walk away with a free consultation. Regards, Danie Enslin.
$100 USD 7 gün içinde
4,2
4,2

I can handle this and complete your ReFocus backend within 24 hours. I understand you need a clean, reliable Node.js/Express/MongoDB backend with proper role-based authentication and full feature implementation for admin, coach, and user flows. I will review and refactor your current backend code to ensure a clean API structure, fix authentication and authorization with JWT, and simplify password rules as requested. I'll implement the user profile, survey data management, challenges CRUD with user assignment, and the coach approval workflow. I'll also enhance error handling and ensure your frontend has all necessary, consistent endpoints. I focus on writing clean, maintainable code that scales well and delivers a smooth user experience across roles. Since the frontend is React + Vite and your backend uses modern stack tools, I’ll ensure seamless integration and fast response times. Do you want me to start by reviewing the existing backend and drafting a quick fix plan before proceeding with full implementation?
$125 USD 7 gün içinde
4,2
4,2

✨✨✨ I AM DOMINICO ✨✨✨ I don’t patch code—I engineer Node.js backends that run clean, secure, and bulletproof. I’ll audit your existing Express/Mongoose stack, fix JWT auth, enforce strict role-based access for admin/coach/user, and complete all endpoints your React frontend needs. User profiles, surveys, challenges CRUD, coach approvals—all delivered with consistent API responses, robust error handling, and basic tests. I’ll connect, deploy, and document the backend so it works flawlessly with Vercel. Fast, precise, and fully production-ready.
$50 USD 5 gün içinde
4,2
4,2

hi, your project to refine the ReFocus backend sounds both meaningful and a great technical fit. Having worked extensively with Node.js, Express, MongoDB, and JWT-based role handling, I can jump into your codebase, audit the current API flows, and ensure authentication and dashboards work accurately for each user role. From overhauling your login/registration (with simpler password logic) to setting up robust endpoints for challenges, surveys, and coach applications, I’ll keep everything clean, well-documented, and easy for you to understand. Expect code that’s well-structured and secure, with error handling that gives clear feedback both to users and the frontend. Ensuring seamless frontend-backend integration, deploying efficiently to Render or your preferred host, and writing straightforward setup docs are all in my wheelhouse. Communication is top-notch on GitHub, and I’ll explain every important change so you’re always in the loop. Ready to review your code and get your platform production-ready soon—just let me know when you’d like to kick things off.
$139 USD 1 gün içinde
3,7
3,7

Hello Khawlah, I am Mohamed Saman, a seasoned Node.js developer with extensive expertise in Express, MongoDB, and Mongoose, along with full-stack experience involving React and API integration. I specialize in backend architecture refinement, secure JWT-based authentication, and role-based authorization systems. I have reviewed your ReFocus app requirements and am confident in my ability to thoroughly audit and optimize your existing backend code, ensuring robust, clean API structures and seamless role-specific access controls for admin, coach, and user dashboards. I will implement and finalize all critical features including user profiles, survey data handling, challenge CRUD operations, and the coach application approval workflow. Additionally, I will enhance error handling, standardize API responses, and supply clear documentation plus basic test coverage. I am adept at syncing backend endpoints with frontend frameworks like React/Vite, and can efficiently assist with deploying your backend on Render or a similar platform, fully compatible with your Vercel-hosted frontend. I communicate transparently and will share progress through GitHub commits and detailed explanations. Given the 24-hour timeline, I am prepared to commit focused effort to meet your deadline without compromising code quality. I look forward to contributing my technical skillset to successfully complete your project. Best regards, Mohamed Saman
$140 USD 7 gün içinde
3,3
3,3

Hello There!!! ⚜⭐⭐⭐⭐⚜(( Complete and bug-free Node.js backend for ReFocus digital-wellness app in 24 hours ))⚜⭐⭐⭐⭐⚜ I see you need the ReFocus backend finalized, including authentication, role-based dashboards, and full CRUD functionality for challenges and coach applications. The goal is a clean, stable Node.js/Express/MongoDB API that works seamlessly with your React + Vite frontend. I bring strong experience with Node.js, Express, MongoDB/Mongoose, JWT authentication, and rapid bug-fixing on existing codebases. I focus on clear API structure, consistent error handling, and thorough documentation for easy handoff and deployment. Three main priorities: 1. Complete authentication & role-based access for admin, coach, and users. 2. Implement full CRUD for challenges, user profiles, and coach approval flows. 3. Ensure stable connection to frontend with updated endpoints, plus deployment guidance. I can deliver a fully functional backend with basic tests and documentation within 24 hours for seamless integration. Warm Regards, Farhin B.
$110 USD 11 gün içinde
4,2
4,2

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