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I want a developer who is experienced in react, node, mongodb and crypto wallet integration.
Proje No: 40072507
207 teklifler
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207 freelancer bu proje için ortalama $33 USD/ saat teklif veriyor

Hello, I understand you need a developer skilled in React, Node.js, MongoDB and crypto wallet integration. I will deliver a clean, scalable web app with a React frontend, a secure Node/Express backend, and MongoDB storage, featuring robust wallet integration (MetaMask/WalletConnect) and secure authentication, plus a clear API layer. The approach focuses on performance, strong testing, data validation, encryption for sensitive data, and concise documentation to ease future updates. Which specific crypto wallet(s) do you want to support (MetaMask, WalletConnect, Coinbase Wallet, etc.) and which networks should be covered (Ethereum, BSC, Polygon, etc.)? What are the primary user flows for wallet interaction (login, balance check, sending transactions) and any smart contract interactions needed? Do you have any security or compliance requirements (data encryption, secure storage of keys, KYC/AML)? What is your preferred hosting/deployment setup and any CI/CD expectations? Do you already have backend APIs or should I design and implement a fresh API layer? Best regards,
$25 USD 20 gün içinde
9,0
9,0

A Warm Hello! We are readily available to start working on this project! After going through your job posting I found our skills best suited for the project scope. We are having proven experience building full-stack web applications using React, Node.js, MongoDB, and integrating crypto wallets securely and reliably. Development Process - Requirement clarification and technical planning - Secure architecture design - Implementation and integration - Testing and bug fixes - Handover with source code and setup instructions I am available online for the interview else we could fix a meeting and discuss the project in detail. I am Sincerely looking forward to communicate with you as a person and I would really appreciate if you give us your valuable time. Regards, Ana
$38 USD 40 gün içinde
9,0
9,0

Dear Nestor Z., 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 JavaScript, Debugging, Node.js, React.js, Web Development, MongoDB 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.
$30 USD 5 gün içinde
8,2
8,2

Hi, I’ve reviewed your project requirements and would be delighted to assist you. I am an experienced Full-Stack Software Engineer with a strong background in building web applications tailored to your business needs. I have completed over 100 jobs and have a top-rated profile on Freelancer. With over 10+ years of experience, I am committed to delivering high-quality work on time. I look forward to collaborating with you. Thanks Tretanz
$28 USD 40 gün içinde
8,2
8,2

With over 10 years of experience in web and mobile development, I understand the importance of finding a developer who is skilled in React, Node.js, MongoDB, and crypto wallet integration for your website development project. My expertise in these technologies, combined with 5+ years of blockchain experience, makes me the perfect fit for your requirements. I have successfully completed numerous projects in the blockchain and cryptocurrency space, including integrating crypto wallets and building secure, scalable web applications. My track record in delivering tailored solutions for fintech and blockchain projects showcases my ability to meet your needs and exceed your expectations. If you're looking for a developer who can bring your website development project to life with cutting-edge technologies and industry best practices, I am here to help. Feel free to reach out to discuss your project further and take the next step towards achieving your goals.
$40 USD 15 gün içinde
8,0
8,0

Being a versatile developer with advanced skills in JavaScript, Node.js, and React.js, I am confident about crafting a high-performing site for your business that perfectly integrates MongoDB and facilitates crypto wallet functionality. With my background in developing feature-rich mobile applications and full-stack websites, I bring extensive experience to the table. Throughout the years, I have developed a variety of applications ranging from social platforms to games, marketplaces and even crypto trading apps. In addition to my technical expertise, what sets me apart is my dedication to delivering solutions tailored to clients' unique needs and visions. No two projects are alike, and I understand the importance of providing personalized solutions. My experience includes building scalable websites and efficient eCommerce solutions, which will prove invaluable in creating a well-rounded site for your specific requirements. Embracing new technologies while maintaining a strong foundation in essential skills is paramount in today's evolving digital landscape. With this in mind, rest assured that I will leverage my proficiency in the latest web development trends along with my strong foundations to provide a robust website that fits your future needs. Together, we can build more than just a site – we can create a platform that empowers your business in the dynamic world of cryptocurrencies.
$38 USD 40 gün içinde
7,7
7,7

Hi, this is Elias from Miami. I’ve reviewed your requirement and understand that you’re looking for a developer with solid experience in React, Node.js, MongoDB, and crypto wallet integration to build or extend a web-based application that interacts with blockchain wallets. I have 10+ years of development experience and have worked extensively with React frontends, Node/Mongo backends, and multiple wallet integrations (MetaMask, WalletConnect, custom RPC setups). I’m comfortable handling authentication flows, transaction handling, and making sure the wallet experience feels smooth and secure for users. I’d be happy to jump on a call and walk through how I can help bring this together efficiently. Before that, I have a few quick questions to make sure I fully understand the scope: Q1: Which blockchain(s) and wallet(s) do you need to support (e.g., Ethereum, BSC, Polygon, MetaMask, WalletConnect)? Q2: Is the wallet used mainly for authentication, transactions, or both? Q3: Do you already have an existing React/Node codebase, or is this a new build from scratch? Q4: Are there any smart contracts already deployed that the app needs to interact with? Looking forward to hearing more about the project. Regards, Elias
$50 USD 40 gün içinde
7,5
7,5

Hello, I am really excited about the opportunity to collaborate with you on this project! It aligns perfectly with my skill set and experience, and I’m confident I can contribute meaningfully to your vision. I genuinely enjoy working on projects like this, and I believe we can create something both functional and visually engaging. Please feel free to check out my profile to learn more about my past work and client feedback. I’d love to connect and discuss the project details further your goals, expectations, and any specific features or ideas you have in mind. The more I understand your vision, the better I can bring it to life. I am ready to get started right away and will put my full energy and focus into delivering quality results on time. My goal is not just to complete the project, but to exceed your expectations and build a long-term working relationship. Looking forward to hearing from you soon! With regards! Nikhil
$25 USD 40 gün içinde
7,4
7,4

Hi, Are you looking for someone who can seamlessly integrate a crypto wallet into your application? With my experience in React, Node, and MongoDB, I can help you build a robust solution. I have worked on various projects involving crypto wallet integrations and can guide you through best practices for security and performance. I’m confident that my expertise will ensure the project is completed efficiently. Let me know your timeline and any specific requirements you might have. I’m excited to help you with this project! Best Regards, GA
$38 USD 40 gün içinde
7,2
7,2

Hello, I have 8+ years of experience working as a full-stack web developer, where I have successfully developed and deployed various websites and web applications using the mentioned technologies. My expertise lies in designing and implementing scalable and efficient solutions, while ensuring a seamless user experience. Additionally, I have a solid understanding from front-end technologies such as HTML, CSS, and JavaScript, react, Vue, Angularjs, Nextjs, to back-end technologies with PHP, Nodejs, Django which enables me to create visually appealing, responsive interfaces with full functions. I have proficiency in MERN stack, Laravel, Python Django, and PHP and strong understanding of front-end technologies such as HTML, CSS, and JavaScript and various js framework with react, vue, angular. I have experience in developing and deploying web applications using best practice and have ability to collaborate effectively with cross-functional teams and deliver projects within deadlines. I am working with team members with strong problem-solving skills and adaptability to changing project requirements. Thank you for your time and consideration. Regards, Divya Manocha
$25 USD 40 gün içinde
7,0
7,0

Hi There !! After reading your request, I found it to be rather intriguing. I can provide timely, high-quality assistance for your project as a senior full stack engineer. Let's talk further when we speak over the phone or chat. Awaiting for your positive response. Thanks christina
$25 USD 40 gün içinde
6,6
6,6

Hello, I have solid experience working with React, Node.js, and MongoDB, which allows me to build efficient and scalable web applications. Additionally, I have worked on projects involving crypto wallet integration, ensuring secure and smooth user transactions. I am confident I can deliver a reliable solution tailored to your needs involving these technologies.
$25 USD 34 gün içinde
6,6
6,6

Hi there. I’ve worked on several MERN stack projects and have hands-on experience integrating crypto wallets across multiple blockchains into web applications. I’d be happy to contribute to your project. Please feel free to reach out so we can discuss the details further. Thank you, Jijo
$38 USD 40 gün içinde
6,5
6,5

I can work in Mexico time zone. I have 9 years of react experience and 7 years of mongodb. these both experience comes with node skill set as you are very well aware. I have done nft and cryptocurrency for a digital asset site and the travel site let me know a good time in your time zone so we can chat
$26 USD 40 gün içinde
6,6
6,6

Hi there, I'm confident I can assist with your website development project. With expertise in React.js, Node.js, MongoDB, and crypto wallet integration, I'll create a seamless platform for you. Let's discuss your vision and get started! Looking forward to hearing from you.
$25 USD 16 gün içinde
5,7
5,7

Hi there, A major risk in MERN projects with crypto integration is the failure to handle asynchronous wallet events correctly, which often leads to broken user sessions or failed transaction signatures. I will ensure a robust architecture that syncs your MongoDB state perfectly with real-time blockchain events to prevent data mismatches. I have a few questions to clarify the scope: 1. Which specific crypto wallets are you looking to support besides MetaMask? 2. Will the application need to interact with a specific smart contract or just perform simple peer-to-peer transfers? Let’s discuss your project now!
$25 USD 40 gün içinde
5,9
5,9

Hi Nestor, I’ve developed multiple web apps using React, Node.js, and MongoDB, including a crypto wallet integration for a product called Descripio. We also built a Chrome extension that worked with the same product, allowing users to log in and manage their profiles. With 15 years of experience, I’ve worked with startups and large enterprises, leading teams and delivering high-quality solutions. I’m adaptable and can quickly learn new technologies, as demonstrated by my work with Vue.js and Nuxt.js. Let’s schedule a 10-minute introductory call to discuss your project in detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil
$41,95 USD 40 gün içinde
6,0
6,0

With extensive experience in JavaScript and Web Development, I am confident that my skills match your project requirements perfectly. Having worked on numerous WordPress, Magento, and Shopify projects, I bring a wealth of knowledge to the table, enabling me to provide precisely what you need for this website development gig. To address your specific needs, I can definitely leverage my expertise in React, Node.js, MongoDB and crypto wallet integration. I've seamlessly integrated crypto wallets into various platforms and developed robust applications with React and Node.js. Moreover, my inclination towards delivering exceptional quality websites with flawless functionality aligns precisely with what you're searching for in a developer. Let's join hands and craft a website that not only meets but exceeds your expectations. Looking forward to discussing more on how we can bring your vision to life!
$25 USD 40 gün içinde
5,9
5,9

With over 57 successful projects completed and positive reviews, I am confident in my ability to meet your web development needs. Specializing in fixing issues, performance enhancements, custom features, automation, and API integrations, I am well-equipped to handle your project. To approach this project, I will first conduct a thorough analysis of your requirements. Next, I will develop a detailed plan for implementing the necessary features using React, Node, MongoDB, and crypto wallet integration. Finally, I will rigorously test the functionality to ensure a seamless user experience. Let's discuss how I can bring your vision to life. Contact me to get started!
$25 USD 10 gün içinde
5,5
5,5

With over 5 years of hands-on experience, I would be thrilled to build your website for you. As a Full Stack Developer, I have extensive knowledge of the specific technologies you have mentioned, such as React, Node.js, and MongoDB. I complement this with skills in building and integrating crypto payment wallets which should prove useful in developing seamless transactions for your platform. Throughout my career, I've amassed a reputation for delivering clean, optimized and maintainable code that focuses on great user experiences. Furthermore, my expertise in API integration and database management ensures your site will be robust, secure and efficient. By choosing to work with me, you can expect a partner dedicated to bringing your vision to life. I highly value clear communication and aim to provide end-to-end support throughout the development process. Together, we can create something amazing that meets your business objectives with quality and speed. Let's transform your project into an actuality through the power of code!
$38 USD 40 gün içinde
5,4
5,4

Valle de Santiago, Mexico
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