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I’m building a cross-platform mobile application and now need a solid MERN-based backend to power it. I have the front-end architecture mapped out; what’s missing is an Express + Node.js API layer connected to MongoDB that can scale as usage grows. Here’s what I’m aiming for: • A clean, well-structured codebase (JavaScript or TypeScript) that follows modern MERN best practices. • RESTful (or GraphQL, if you prefer) endpoints wired up to MongoDB, with clear models and controllers. • Environment-based configuration and middleware for logging, security, and error handling. • Comprehensive API documentation and Postman collection so my mobile team can plug in quickly. • Setup scripts or instructions for containerised or cloud deployment (Heroku, Render, AWS, etc.) along with basic CI/CD. I’ll share the exact data models, user flows, and any third-party services once we start, but the goal is a backend that is easy to extend and maintain. Unit tests and inline comments are a plus—clean, readable code is king. Deliverables 1. Full source in a Git repository. 2. Database schema and seed scripts. 3. API documentation and example requests. 4. Deployment guide or Dockerfile. If you’ve shipped MERN backends for mobile apps before and can move quickly while writing quality code, let’s talk. Typescript. Existing app but hasn't launched yet. We are building section by section. Designs are done and clear. Should be able to work properly with the rest to the team and devs Use placeholder for bid, will get more precise bid as we assign sections. It's a huge project with many sections long term. Don't contact me outside of this site. I don't want to arrange for calls - all communication through message here only. Immediate start for the right candidate(s). Don't bid if you have less than 4.8 stars on here or no reviews.
ID do Projeto: 40172484
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172 freelancers estão ofertando em média $178 USD for esse trabalho

Hello, As a seasoned web developer with vast experience in cutting-edge technologies, I assure you that I can actualize your vision of a scalable, error-handling MERN-based backend to power your mobile app. My extensive knowledge of JavaScript is not limited to mere coding, but a deep understanding of the best practices and architecture needed to create clean and well-structured codebases that are easy to extend and maintain. I have successfully developed RESTful (and GraphQL) endpoints connected to MongoDB in various projects, and can confidently replicate the same for you. To facilitate your team's seamless integration, I'll provide comprehensive API documentation, Postman collection, and readable inline comments. At 'Our Software', ensuring customer satisfaction is our top priority, which is why we never compromise on quality. I'll implement robust unit tests for every API endpoint and thoroughly document them for future reference. Furthermore, I'll include environment-based configurations for logging, security, and error handling to keep your backend highly functional and secure. With me on board, you can rest assured of timely delivery and unparalleled support throughout the project lifecycle. Thanks!
$180 USD em 3 dias
7,7
7,7

Dear Pankaj G., I am very interested in your project, "MERN Backend for Mobile App," and have carefully reviewed your detailed requirements for a robust, scalable backend to power your cross-platform mobile application. With extensive experience in MERN stack development, particularly building high-performance TypeScript APIs for mobile applications using Node.js, Express, and MongoDB, I am confident in delivering a solution that aligns perfectly with your vision for a clean, extendable, and maintainable backend. My approach focuses on developing a well-structured codebase, implementing secure RESTful endpoints, comprehensive error handling, and robust middleware. I will provide detailed API documentation, Postman collections, and prepare your backend for seamless containerized deployment with CI/CD readiness. I am adept at integrating with existing teams and ensuring quality code. I am available for an immediate start. Given the project's long-term nature, I am ready to provide a precise bid as we assign the initial sections. I look forward to discussing how I can contribute to your project via messages here. Sincerely, Navneet
$250 USD em 7 dias
7,1
7,1

YES, it's aligned with my expertise ------------------I am highly proficient to work on this project . I am Passionate MEAN/MERN /Full stack developer having rich experience with all the latest technologies with so many successful Tasks. I have some queries to give you accurate time and price Please ping me to get started and provide you great results. Thanks
$140 USD em 7 dias
6,9
6,9

Coming from a seasoned team with extensive experience in MERN stack development, we are the ideal choice for your backend needs. Our long-standing familiarity with Express JS, JavaScript, MongoDB, and Node.js proves invaluable in delivering a robust and well-structured codebase that aligns perfectly with modern MERN best practices. Moreover, we have great capabilities in designing comprehensive API documentation and example requests for seamless integration between frontend and backend – a key aspect of your project's success. Another reason to select us is our proficiency in handling RESTful or GraphQL endpoints connected to MongoDB. Your aim for a scalable backend can be achieved effortlessly with our strategic environment-based configuration and middleware that prioritize aspects like logging, security, and error handling. As an added benefit, we ensure detailed API documentation and provide Postman collections that enhance the productivity of not just developers but also facilitate efficient project management. We are excited about this opportunity to work collaboratively with your team to build something extraordinary. If you entrust us with your project, not only will it accelerate progress thanks to our immediate availability but our track record will ensure smooth sailing till completion. Let's get started!
$170 USD em 7 dias
6,9
6,9

With over 8 years of solid backend development experience, I bring immense value to your MERN mobile app project. I've had extensive exposure to Express JS, JavaScript, MongoDB, Node.js, RESTful API, and Typescript - precisely what your backend requires to function efficiently. Your project specifications resonate deeply with me. I specialize in writing clean, well-structured, and scalable codebases that adhere to industry best practices. Moreover, my code is known for being thoroughly commented and easy to read and extend— making maintenance seamless for you in the long run. I’m also a strong proponent of comprehensive documentation. From detailed API documentation and Postman collections to setup scripts for cloud deployment—I've got it covered. I'm confident that my careful, meticulous approach to delivering not only the functional project but the ancillary materials needed for developers would be an invaluable asset to your team. Let’s get started on building a great MERN-based backend together!
$120 USD em 4 dias
6,7
6,7

I'm experienced in developing MERN backends for mobile applications, ensuring clean, scalable code adhering to modern best practices. Proficient in creating RESTful or GraphQL endpoints connected to MongoDB, with robust environment-based configurations. Skilled in providing comprehensive API documentation and deployment guides for seamless integration. I prioritize clean, readable code, unit tests, and effective communication within the team. Let's discuss further to deliver a top-notch backend solution. Typescript.
$250 USD em 7 dias
6,4
6,4

As a seasoned team of 25+ skilled developers, designers and digital experts, Einnovention boasts the requisite agility and expertise to deliver a high-quality MERN-based backend that aligns seamlessly with your existing front-end structure. With over 248 successfully completed projects and a consistent 4.9/5 rating on Freelancer, Asif and the team have earned an enviable reputation as reliable providers of innovative solutions. At Einnovention, we appreciate the importance of clean, well-structured code in fostering scalability, ease of extension, and maintainability. Leveraging modern MERN best practices and armed with Typescript proficiency, we'll deliver not just RESTful (or GraphQL) endpoints wired up to MongoDB, but also comprehensive API documentation and Postman collection for easy integration by your mobile team. Additionally, be prepared for dynamic setup scripts or clear instructions for deployment on diverse platforms. Our commitment to quality, transparency, and effective communication resonates with your requirement for "clean, readable code". Inline comments and unit tests aren't an afterthought to us - they're embedded in our approach to software craftsmanship. Furthermore, our offerP includes free support for more than 2 weeks after delivery—indicating our dedication to long-term partnerships. Choose Einnovention today for an immediate start from one of the best-rated teams in the business.
$140 USD em 7 dias
6,4
6,4

Hi! I’m very interested in building a scalable, clean MERN backend for your cross-platform mobile app. I have strong experience with Node.js, Express, MongoDB, and TypeScript, and I follow best practices to deliver well-structured, maintainable code. I’ll ensure RESTful endpoints with clear models, comprehensive API documentation, and deployment-ready setup (including Docker and CI/CD). I’m comfortable collaborating through messages here and delivering quality work section by section, aligned with your frontend and team. Looking forward for your positive response in the chatbox. Best Regards, Arbaz T
$190 USD em 7 dias
6,2
6,2

Hi sir, I can help you build a scalable, clean, and production-ready MERN backend that fits perfectly with a cross-platform mobile app. I’ve shipped multiple Node.js + Express APIs backed by MongoDB for mobile products, including long-term projects developed section by section with active teams, so this workflow is very familiar to me. I focus heavily on structure and maintainability. The backend will be written in TypeScript, follow modern MERN best practices, and use a clear separation of models, controllers, services, and middleware. I’ll set up secure, well-documented REST APIs (or GraphQL if preferred), environment-based configuration, logging, validation, and consistent error handling so the codebase is easy to extend as new sections are added. I’m comfortable collaborating with frontend and mobile developers through async messaging only, keeping everything documented and predictable. You’ll get a Git-based workflow, MongoDB schemas with seed scripts, clear API documentation with example requests, and deployment-ready setup using Docker or cloud platforms like AWS, Render, or Heroku. Unit tests and readable inline comments are part of how I work, not an afterthought. Since this is a large, long-term project and you’re assigning work section by section, I’m happy to start with a placeholder bid and refine scope, timelines, and cost as we move forward. I’m available for an immediate start and can scale with the project as it grows. Thanks, Denis Redzepovic
$150 USD em 2 dias
5,9
5,9

Hi there, I’ve carefully reviewed your requirements for a MERN-based backend to support a cross-platform mobile application. I recently worked on a TypeScript-based Node.js + Express API connected to MongoDB for a mobile app that was built section by section, with clear designs, strong team collaboration, and a focus on scalability, clean architecture, and long-term maintainability prior to launch. For your project, I’ll build a well-structured TypeScript backend following modern MERN best practices, with clear models, controllers, and RESTful APIs connected to MongoDB. I’ll implement environment-based configuration, security and logging middleware, consistent error handling, and provide API documentation with example requests so your mobile team can integrate smoothly. The codebase will be easy to extend as new sections are added, with seed scripts, deployment guidance, and optional Docker/CI setup to support long-term growth. I’m available to begin work immediately and fully committed to delivering high-quality, scalable backend code while collaborating smoothly with your existing team and keeping all communication within this platform. Best regards, Elenilson
$200 USD em 7 dias
5,9
5,9

With over seven years of experience in web and mobile app development, I am confident in my ability to create a powerful MERN backend for your mobile application. My proficiency in Express JS, JavaScript, and Node.js aligns perfectly with the technologies required for this project. In the past, I have built clean and well-structured codebases that have scaled effectively with increased usage. One of my key strengths is adhering to best practices and providing comprehensive documentation – two critical aspects that you've highlighted are important to you. I am well-versed in creating RESTful or GraphQL endpoints and integrating them seamlessly with MongoDB. Moreover, I understand your requirement for environment-based configuration and middleware, ensuring that your application remains secure and functional. In addition to my technical skills, I bring a deep understanding of both development and marketing to the table. This enables me to focus on scalable, high-performance solutions that meet not only your technical needs but also align with your business's overall goals. Given the scale and importance of this project, my emphasis on regular communication, full transparency, and adaptability can ensure we stay synchronized as a team. Let's collaborate on bringing your vision to life.
$250 USD em 7 dias
5,6
5,6

Hey there, I understand your need for a robust MERN-based backend for your mobile application. With my experience in developing RESTful APIs and expertise in TypeScript, MERN stack, Node.js, and MongoDB, I am well-equipped to deliver a clean and scalable backend solution. I will ensure a well-structured codebase following modern MERN best practices, clear API documentation, and seamless deployment instructions for Heroku, Render, AWS, or containerised setups. Let's discuss further details and kick off this project.
$100 USD em 2 dias
5,7
5,7

With my extensive experience in MERN stack development, I am confident that I can deliver the solid and scalable backend you need for your mobile app effectively and efficiently. My work as a Full-Stack Developer for over seven years has equipped me with the necessary skills in creating clean and well-structured codebases that follow modern best practices. I'm proficient in both JavaScript and Typescript, so we can choose whatever language suits your preference. In addition to building RESTful or GraphQL endpoints connected to MongoDB, I'll make sure to implement environment-based configurations and useful middleware for logging, security, and error handling. As part of my diligent process not only will I provide a comprehensive API documentation and Postman collection; but also include setup scripts or instructions for containerized or cloud deployment (Heroku, Render, AWS), hence extending your ease of use. Lastly, I understand the need for easy extension and maintenance in the long run. To this end, I'll ensure the backend is thoroughly unit-tested, employ inline comments where necessary and furnish you detailed database schema and seed scripts; which with my expertise will indeed be an asset to your formidable mobile app project. It would be my utmost pleasure to work with your team pronto!
$200 USD em 7 dias
5,4
5,4

Hey, I’ve reviewed your project and understand you’re looking for a MERN backend to support your cross-platform mobile app, with TypeScript, clean architecture, scalable Express + Node.js APIs, and MongoDB integration. The focus is on a maintainable codebase with REST/GraphQL endpoints, proper middleware, logging, security, and error handling, plus full API documentation and deployment instructions. I can deliver a modular, production-ready backend with clear models/controllers, environment-based configuration, unit tests, seed scripts, Postman collection, and Docker deployment guidance. Everything will be structured to integrate seamlessly with your frontend team and future sections, keeping the code readable and easily extensible. The deliverables will include a Git repo with full source, database schema, seed scripts, comprehensive API docs, and setup instructions for cloud or containerized deployment. I can start immediately and work section by section, maintaining smooth integration with the ongoing app development. Best regards, Muhammad Adil Portfolio: https://www.freelancer.com/u/webmasters486
$180 USD em 5 dias
5,1
5,1

Hello Anthony K., I am a seasoned developer with expertise in JavaScript, Node.js, Express JS, and MongoDB, specializing in MERN stack development. I understand your need for a robust MERN backend for your mobile application. I have a proven track record of delivering clean, scalable codebases following modern MERN best practices. My approach involves creating RESTful endpoints connected to MongoDB, implementing environment-based configuration, and providing comprehensive API documentation for seamless integration with your mobile team. I prioritize clean, readable code with unit tests and inline comments to ensure maintainability and extensibility. I am confident in my ability to meet your project requirements efficiently. Let's discuss how I can contribute to your project's success. Best regards,
$30 USD em 7 dias
5,0
5,0

Hello, hope you’re doing well. I can develop a scalable MERN backend (Node.js + Express + MongoDB) for your mobile app, with clean TypeScript code, RESTful endpoints, environment-based configs, logging, security, and error handling. I’ll provide database schemas, seed scripts, API documentation/Postman collection, and deployment instructions so your mobile team can integrate seamlessly. Regards, Yassir
$100 USD em 2 dias
4,8
4,8

Greetings, You've laid out a clear vision for your mobile app's backend, and it sounds like an exciting project! I can help you build a robust MERN backend that includes a well-structured Express and Node.js API connected to MongoDB. My approach focuses on creating clean and maintainable code, adhering to modern best practices, and ensuring the API is well-documented for your mobile team to integrate smoothly. I have experience working with RESTful APIs and can also implement GraphQL if that’s your preference. I’ll ensure proper middleware for logging and security, along with comprehensive deployment guides to make scaling easy as your app grows. With unit tests and clear comments, the code will be easy to understand and extend. I look forward to collaborating with you on this project. Best regards, Saba Ehsan
$200 USD em 2 dias
4,9
4,9

Hello, I am eager to develop a solid MERN backend for your mobile application that will be easy to extend and maintain. I have a vast experience in similar projects and would be excited to demonstrate that experience over private chat. Let's collaborate to achieve something amazing. Looking forward to your response, Fahad.
$100 USD em 2 dias
5,0
5,0

Hello! I can help you build a robust MERN-based backend for your cross-platform mobile app. Here's how I’ll approach it: - Code Structure & Best Practices: I’ll ensure the backend follows modern MERN best practices, using either JavaScript or TypeScript, to create a clean and scalable codebase. - API Development: I’ll implement RESTful (or GraphQL) endpoints, connected to MongoDB, with clear models and controllers for efficient data handling. - Middleware & Configuration: I’ll set up environment-based configurations for logging, security, and error handling, ensuring the backend is secure and reliable. - Documentation: I’ll provide comprehensive API documentation, including a Postman collection so your mobile team can integrate seamlessly. - Deployment: I’ll create setup scripts or instructions for containerized deployment (Heroku, Render, AWS, etc.) and set up CI/CD for continuous deployment. I will deliver: - Full source code in a Git repository - Database schema and seed scripts - API documentation and example requests - Deployment guide or Dockerfile I’ve worked with MERN stacks for mobile apps before and can move quickly while maintaining clean, maintainable code and I can show you my recent results if you contact me. Warm regards, Yulius Mayoru
$50 USD em 2 dias
4,7
4,7

Hello, This fits my experience well. I’ve built production MERN backends for mobile apps using Node.js + Express + MongoDB with TypeScript, structured for scalability, clean separation of concerns, and long-term maintenance. I can deliver: A well-organized TypeScript codebase (controllers, services, models, middleware) RESTful APIs wired to MongoDB (or GraphQL if preferred) Environment-based config, security, logging, and error handling Postman collection + clear API docs for your mobile team Seed scripts, deployment guide, and Dockerfile / cloud-ready setup Code written to support section-by-section development with a larger team I’m comfortable collaborating asynchronously via messages only and working incrementally as sections are assigned. Using a placeholder bid is fine—I’m happy to refine estimates per module as we go. Available to start immediately and integrate cleanly with your existing team and designs. Best regards, Shivpal S
$120 USD em 7 dias
5,5
5,5

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