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I need a seasoned full-stack developer to take a green-field web application from concept to production. The core of the build is straightforward yet critical: secure user authentication, rock-solid payment processing, and fast, real-time updates that feel instantaneous to end users. Here’s how I picture the workflow: a modern, responsive front-end (React, Vue, or your preferred equivalent) talking to a clean REST or GraphQL API; authentication handled with best-practice flows (JWT, OAuth, or similar); payments integrated through Stripe, PayPal, or another gateway you can justify; and live data pushed over WebSockets or Server-Sent Events to keep the interface fresh without page reloads. I’ll provide Figma wireframes and copy; you’ll handle architecture, coding, testing, and deployment guidance. Deliverables • Source code in a Git repository with clear commits • A brief technical read-me covering setup, build, and deploy steps • Working auth flow (sign-up, login, password reset) • Payment gateway integration ready for live keys • Real-time update mechanism demonstrated on at least one data feed Acceptance criteria: passing automated tests, zero critical security issues flagged by OWASP ZAP, and a short screenshare walk-through proving the above features in action. If this aligns with your expertise, let’s talk through your proposed stack, timeline, and any questions you have.
Mã dự án: 40303864
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Hello, I reviewed your requirement for [project type] and it aligns well with our experience building scalable products. Recent work: PlayMade – [login to view URL] AionSoft (AI Chatbot) – [login to view URL] Gimmel (AI eLearning) – [login to view URL] Cablinks(SAAS) - [login to view URL] Do you already have the UI design ready or should we design it as well? Happy to discuss your requirements and suggest the best approach. Best regards Kundan Singh Jodha [login to view URL]
₹1.050 INR trong 5 ngày
0,0
0,0
20 freelancer chào giá trung bình ₹1.020 INR cho công việc này

Could you share more about your preferred tech stack for this project? It sounds like a great opportunity to build something innovative. For secure authentication, I’d recommend JWT or OAuth combined with a single-page app for instant updates via WebSockets, ensuring a seamless user experience. With over 6 years of experience in full-stack development, I can handle everything from architecture to deployment. I have successfully integrated payment gateways like Stripe and PayPal in previous projects, and I follow best practices to maintain security, including thorough testing to meet OWASP guidelines. I would love to discuss this further and refine the project details. Let’s make sure we create a robust application that meets all your requirements.
₹1.050 INR trong 7 ngày
5,1
5,1

Hi, I saw your requirement for building a green-field web application with secure authentication, reliable payment processing, and real-time updates. The goal is a modern, responsive front-end communicating with a clean REST or GraphQL API, with robust security and fast user interactions. Our team has experience building full-stack applications with React or Vue, implementing JWT/OAuth authentication flows, integrating Stripe or PayPal, and pushing live data over WebSockets or Server-Sent Events. We ensure code is modular, well-documented, and tested, with deployment guidance included. Source code will be maintained in Git with clear commits, and we can provide a brief read-me for setup and build instructions. We can take your wireframes and copy, build a secure, production-ready app, and demonstrate authentication, payment, and real-time functionality with full testing and security verification. Let's discuss the details via chat to finalize the timeline and budget.
₹1.050 INR trong 7 ngày
3,6
3,6

Good evening, I have reviewed your description. please review my portfolio. I have great experience in developing fully functional web applications. let's discuss further. thank you.
₹1.050 INR trong 7 ngày
3,3
3,3

As an experienced full-stack developer, I understand the critical elements a web application should have and more importantly, how to execute them flawlessly. I'm comfortable with all the technologies you've mentioned - React, Vue, REST/GraphQL API, JWT/OAuth authentications, Stripe/PayPal integration and more. With my expertise in Html 5, Css 3, PHP, Python (Flask/Django), JavaScript, Postgresql and MySQL; your project is in capable hands. But my capabilities go beyond just executing the code- I provide clear documentation on setup, build and deploy steps; conduct exhaustive testing to maintain security(Owasp Zap included) and ensure smooth running of the application. Moreover, live updates are kind of my specialty; streams of current data pushed over WebSockets or Server-Sent Events to keep interfaces fresh without page reloads. I believe that what sets me apart is not just my technical proficiency but also my approach. I value open communication, punctuality and most importantly reliability in every project I take up. Thorough planning and development with timely delivery guaranteed; long term support if you choose. As a full stack developer avidly proficient in JavaScript and Python with strong problem-solving abilities, let's transform your vision into a highly secure,reliable and scalable web app together!
₹1.050 INR trong 4 ngày
0,0
0,0

Hi there! I was impressed by the detailed description of your project for a Full-Stack Web App Build. Your emphasis on secure user authentication, payment processing, and real-time updates shows a strong focus on user experience and functionality. I have experience working on similar projects, where I developed a responsive front-end with a REST API and integrated payment gateways like Stripe. One question that comes to mind is regarding the preferred technology stack for this project. Do you have any specific preferences or requirements in terms of frameworks and tools? I am confident in my ability to handle the architecture, coding, testing, and deployment aspects of this project. I look forward to discussing further details with you and exploring how we can bring your vision to life. Thanks, Tejbir Bhatia
₹1.100 INR trong 7 ngày
0,0
0,0

As a seasoned full-stack developer with over 15 years of solid experience in web development, I've built and successfully launched numerous web applications spanning from small-scale websites to high traffic e-commerce platforms, some of which process millions of transactions daily. With your project encompassing the core functionalities like secure user authentication, rock-solid payment processing, and real-time updates, my expertise is a perfect fit. Over the years, I have developed a strong proficiency in modern front-end frameworks like React and Vue which you mentioned as your preferred choice. Leveraging on my experience with REST or GraphQL APIs, WebSockets or Server-Sent Events, JWT, and OAuth among others are vital tools for me to bring your concept to life efficiently. In terms of delivering what you're expecting, automation is key for me too. I will create automated tests covering all aspects of the app's functionality while ensuring flawless integration of payment gateways such as Stripe and PayPal. To top it all off, the real-time update mechanism you mentioned would be demonstrated across multiple data feeds ensuring an A-grade fruition of your idea.
₹1.050 INR trong 7 ngày
0,0
0,0

Hi, I’m Jade De Jager, excited about your green-field web app needing secure auth, payment integration, and real-time updates. I specialize in full-stack development with React, Node.js, JWT/OAuth, Stripe/PayPal, and WebSockets, delivering clean, maintainable code that meets security standards. My approach includes reviewing your Figma wireframes, building a robust API with tested auth flows, integrating payments securely, and implementing live data feeds for seamless UX. I’ll provide clear documentation and thorough testing following OWASP guidelines. Could you share your preferred backend stack and any timeline targets? Also, any specific payment gateway priorities? Looking forward to collaborating! Best, Jade De Jager
₹1.150 INR trong 14 ngày
0,0
0,0

Jaipur, India
Thành viên từ thg 3 16, 2026
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