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My live SaaS runs on React, is deployed to Vercel, and stores data in Supabase. Production users are already in the system, so every change has to be safe, targeted, and fast. We are providing booking system for photography studio Issue 1 – Mismatched price between generated receipt and system Issue 2 - Time locking issue on booking form page (Time slot should locked when user paid , but there is other time slot that locked by unknown reason) Issue 3 - Booking & payment issue via FPX. These bugs exist where payment is sucess but booking not made. Payment is fail but booking is made. Issue 4 - Other bugs that will be added later Deliverables • Pull request(s) for each of the fixes and refinements • Brief deployment notes so I can push straight to Vercel I’ll share access once we agree to proceed. If you’re comfortable debugging React state loops, Supabase auth, and hot-fixing production apps, let’s get started.
Mã dự án: 40224722
175 đề xuất
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Hoạt động 15 ngày trước
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175 freelancer chào giá trung bình $145 USD cho công việc này

Hello, My extensive experience in Frontend Development with a strong aptitude in JavaScript is the perfect fit for your React + Typescript project. Having tackled similar issues in my previous projects, I am confident in my ability to quickly identify and correct the pricing inconsistencies and time-locking glitches you've described. My proficiency with debugging React state loops will ensure that these bugs are promptly addressed without causing any disruptions to your live SaaS platform. Additionally, my understanding of Supabase auth will prove invaluable in resolving the payment and booking issues via FPX. I have a methodical approach to problem-solving, ensuring that every fix is safe and targeted while maintaining optimal performance. At our company, we value customer satisfaction above everything else. With this job, I see an opportunity not just to fix the immediate bugs but also go above and beyond by thoroughly testing the system after each fix to foresee potential future issues and patch them proactively. Rest assured, I will deliver each fix as a pull request along with detailed deployment notes for a seamless Vercel integration. Choose me and let's make these necessary refinements to your system so it can continue providing top-notch service at all times. Thanks!
$180 USD trong 3 ngày
7,7
7,7

Hello, I will debug and fix your live React SaaS on Vercel with Supabase, focusing on safe, targeted hot-fixes that won’t disrupt production users for your photography studio booking system. I will resolve the receipt price mismatch, correct the time-slot locking so only paid bookings lock the right slot, and fix the FPX edge cases where payment and booking status get out of sync. I will deliver separate pull requests for each fix, along with brief deployment notes so you can ship directly to Vercel, and I’m ready to handle additional bugs as they come. I've some questions in my mind that I'd like to ask you, and I am available right now to discuss. Can we connect for a quick chat or call? Best regards.
$250 USD trong 2 ngày
7,2
7,2

As a seasoned developer, I have been navigating complex React applications like yours with utmost care, targeting challenges head-on and ensuring fixes do not disrupt the smooth operation of existing services. Our years of expertise also extend to dealing with production-scale databases and authentication complexities, such as Supabase auth. Pulling from this experience, I am confident in my ability to resolve the mismatched receipt pricing and time locking issues swiftly, without compromising the safety or speed of your live SaaS. We pride ourselves on delivering comprehensive solutions, so tackling payment and booking issues is well within our reach. With a profound understanding of frontend development and JavaScript, I am poised to mend the bugs plaguing successful payments without actual bookings and vice versa. As you continue to uncover other bugs along the way, know that WellSpring Infotech is nimble; we adapt to any situation and provide effective solutions promptly. We will leave no stone unturned until your robust booking system operates at its peak performance. To wrap up, our promise is simple: to ensure the growth of your business is left unhindered by any technological challenge. Let's work together to make this a reality for your photography studio's booking system! Thanks....
$250 USD trong 7 ngày
7,3
7,3

I have extensive experience in JavaScript, Software Testing, Debugging, PostgreSQL, and React.js, making me a perfect fit for your React + Typescript Project - Refinement and Fixes only -- 2. I am confident in my ability to debug React state loops, Supabase auth, and hot-fix production apps. The budget can be adjusted after discussing the full project scope, and I assure you that staying within your budget is my priority. Let's discuss the details further. Please go through my 15-year-old profile to see my work history. I am ready to start working on the project immediately to demonstrate my dedication. Looking forward to your response.
$175 USD trong 7 ngày
7,5
7,5

⭐⭐⭐⭐⭐ Fix React Booking System Issues for Your Photography Studio ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you're looking for a React developer to fix bugs in your booking system. You don't need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for React applications. I will address the mismatched prices, time-locking issues, and payment problems quickly and efficiently. ➡️ Why Me? I can easily resolve your booking system issues as I have 5 years of experience in React development, specializing in debugging and optimization. My expertise includes working with Supabase, Vercel deployment, and payment integrations. Additionally, I have a strong grip on state management and performance enhancements. ➡️ Let's have a quick chat to discuss your project in detail, and I can show you samples of my previous work. Looking forward to connecting! ➡️ Skills & Experience: ✅ React Development ✅ Supabase Integration ✅ Vercel Deployment ✅ Bug Fixing ✅ State Management ✅ Payment Integration ✅ API Development ✅ Frontend Optimization ✅ UI/UX Design ✅ JavaScript ✅ HTML/CSS ✅ Agile Methodologies Waiting for your response! Best Regards, Zohaib
$150 USD trong 2 ngày
7,5
7,5

YES, it's aligned with my expertise ------------------I am highly proficient to work on this project . I am Passionate REACT.JS/NODE .JS /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 trong 7 ngày
7,0
7,0

Hi, I understand the critical nature of your live SaaS booking system for the photography studio and the importance of ensuring safe, targeted, and fast fixes without disrupting your production users. With extensive experience in React, TypeScript, Supabase, and Vercel deployments, I've handled complex debugging and state management issues in live applications. I'll thoroughly analyze the price mismatch, time slot locking anomaly, and FPX booking/payment inconsistencies to deliver precise pull requests for each fix, along with clear deployment notes for seamless pushing to Vercel. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you share more details about your current state management approach and how payment success/fail status is tracked in Supabase? Thanks, Asad
$95 USD trong 5 ngày
7,0
7,0

As a seasoned and top-rated professional, I carry over 12 years of experience providing comprehensive solutions in web development and JavaScript frameworks like React.js that will be crucial for swiftly and accurately fixing the issues present on your SaaS. My extensive familiarity with state management in React and database integration with PostgreSQL will enable me to address the first issue you mentioned -- the mismatched price between generated receipts and your system. Moreover, I am adept at diagnosing and addressing complex issues like the time locking problem you're experiencing on the booking form page, where certain time slots remain locked for unknown reasons. The third issue regarding booking and payment via FPX is also well within my purview, thanks to my range of e-commerce experience including transactional API integrations. Throughout my career, I have followed an Agile methodology - being adaptable to changing project requirements while guaranteeing optimal quality. I assure you solutions that are safe, targeted, and swift without compromising your system's stability or affecting its active production users Thanks....
$250 USD trong 7 ngày
7,1
7,1

With over 8 years of experience as a Web Developer, my ability to design, develop and deliver high-quality solutions in a timely manner is unparalleled. My proficiency with React and Typescript will help us tackle those bugs in your SaaS application swiftly, ensuring minimal disturbance to your production users. I'm well aware that changes made to a live system must be safe, targeted, and fast -- making me the best fit for this project. In regards to your specific issues, I possess comprehensive knowledge of React state loops making debugging an absolute breeze for me. Moreover, my dexterity with Supabase auth and front-end technologies will be instrumental in identifying the reason behind the time locking issue and fixing the mismatched prices on the generated receipts. Overcoming payment issues is another forte of mine. I am adept at utilizing databases like Supabase providing quick solutions to cases where either payment is successful but booking isn't made or vice versa. Finally, my skills in using digital services like Vercel add to my advantage as I'm well-versed in creating pull requests and providing brief deployment notes which would enable you to push the enhancements straight to Vercel. Your search for a skilled developer ends here. Let's collaborate and iron out all those bugs together. I assure you my top priority will be to provide efficient fixes without causing any disruptions or downtimes for your users. I look forward to working together on this project!
$150 USD trong 2 ngày
6,7
6,7

Hello, I can debug and stabilize your React and Vercel and Supabase SaaS without disrupting live production data. For the receipt mismatch, I will trace the pricing source of truth (frontend state vs. Supabase calculation vs. webhook confirmation) and enforce a single validated pricing pipeline. For the time-slot locking issue, I will audit booking state logic, Supabase row-level locks, and payment confirmation triggers to prevent phantom locks and ensure slots are reserved only after verified payment. For the FPX inconsistencies (payment success/no booking & vice versa), I will review webhook handling, idempotency logic, and transaction status reconciliation to guarantee atomic booking creation tied strictly to confirmed payments. All fixes will be delivered as clean, isolated pull requests with concise deployment notes for Vercel. I am comfortable working directly in production-aware environments and debugging complex React state flows and Supabase interactions. The Bid amount is subject to change and will be finalized after a complete project discussion. Let’s discuss in chat as I have some queries to ask regarding the project to proceed further. Regards, Smile Mittal
$200 USD trong 7 ngày
6,5
6,5

Hi there, I understand you're encountering critical issues in your live SaaS application, and I'm confident I can help resolve them swiftly. With 5 years of experience in debugging and refining React applications, particularly in production environments, I've successfully tackled similar problems in the past. 1. **Receipt Mismatch**: I'll conduct a thorough investigation of the receipt generation process to ensure it aligns with the system's pricing framework. 2. **Booking Form Locking**: I'll review the time-locking logic to identify the cause of discrepancies, ensuring time slots accurately reflect payment statuses. 3. **Payment Issues**: I'll analyze the integration between FPX and your booking system to resolve any inconsistencies in bookings and payments. 4. **Future Bugs**: I'm ready to address any additional issues that arise. Each fix will be delivered as a pull request with concise deployment notes for easy Vercel integration. Let's ensure your users have a seamless experience. What specific details can you share about the current state of your application?
$180 USD trong 2 ngày
6,4
6,4

Hi Ariff, I will fix the mismatched pricing, time locking, booking & payment issues, and any additional bugs that arise. I have extensive experience in React and Typescript and am well-versed in debugging state loops and Supabase authentication. I will fix the mismatched pricing, time locking, booking & payment issues, and any additional bugs that arise. Let's discuss further in chat. Regards, Sai Bhaskar
$100 USD trong 2 ngày
6,1
6,1

Hello, Thank you so much for posting this opportunity. It sounds like a great fit, and I’d love to be part of it! I’ve worked on similar projects before, and I’m confident I can bring real value to your project. I’m passionate about what I do and always aim to deliver work that’s not only high-quality but also makes things easier and smoother for my clients. Feel free to take a quick look at my profile to see some of the work I’ve done in the past. If it feels like a good match, I’d be happy to chat further about your project and how I can help bring it to life. I’m available to get started right away and will give this project my full attention from day one. Let’s connect and see how we can make this a success together! Looking forward to hearing from you soon. With Regards! Abhishek Saini
$250 USD trong 7 ngày
6,3
6,3

Ariff, for the issue regarding the mismatched price between the generated receipt and the system, would it be fine if I analyze the root cause of the discrepancy, implement a targeted fix, and ensure a seamless transaction process for your users? So I believe resolving these issues will lead to a more reliable and user-friendly booking system for your photography studio, ultimately enhancing the overall user experience. By the way, do you have a preferred timeline for addressing these issues, or any specific tools or priorities in mind that could aid in a smoother resolution process?
$200 USD trong 2 ngày
5,9
5,9

Greetings, I see that you're looking for someone to address specific issues in your React-based SaaS for a photography booking system. It’s important to ensure that any fixes are safe and efficient since you have active users relying on the platform. To tackle these problems, I would start by reviewing the mismatched receipt pricing to identify discrepancies in your pricing logic. Next, I would investigate the time-locking issue to ensure that bookings are correctly preventing users from selecting already paid time slots. For the payment issues with FPX, I'll trace the flow of data to ensure that transaction statuses align properly with booking confirmations. With experience in debugging React applications and working with Supabase, I’m confident I can deliver targeted fixes and provide you with clear deployment notes for Vercel. Best regards, Saba Ehsan
$150 USD trong 4 ngày
5,7
5,7

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$110 USD trong 3 ngày
5,6
5,6

As a seasoned full-stack software engineer with over a decade of experience, your React and Typescript project sounds like an exciting challenge that fits perfectly within my scope of expertise. I have an in-depth understanding of frontend and backend technologies not limited to Javascript, PostgreSQL, React.js, and Web Development. This comprehensive skill set has empowered me to work effectively on complex projects with tight deadlines while ensuring high-quality deliverables. Furthermore, I have hands-on experience debugging state loops in React and Supabase authentication as well the ability to execute hot-fixes efficiently with minimal disruption to the production environment. Your SaaS booking system is already in use by live users therefore, I understand completely the need for making targeted and safe changes that preserve existing data integrity. From my impressive track record of building and scaling up technology-based solutions coupled with strong problem-solving skills, there is no doubt that you'd get top-notch service from me. I always strive to provide excellent value for money spent, adhere strictly to project timelines while maintaining open communication throughout the process. Let's refine and fix your platform in a way that assures better functioning, enhanced security, and ultimately user satisfaction.
$80 USD trong 5 ngày
5,9
5,9

Hi how are you? 1. The price shown on the generated receipt does not match the price calculated and stored in the system. 2. Time slots should be locked only after a successful payment. However, some slots remain unlocked after payment, while others are locked unexpectedly without a confirmed booking. 3. There are cases where payment is successful but the booking is not created, and cases where payment fails but the booking is still created. 4. Additional issues may be identified and addressed during the debugging and refinement process. Let's discuss further in more details over the chat Thank you
$200 USD trong 5 ngày
5,3
5,3

Reliability isn’t a feature; it’s a foundational requirement. I’m here to ensure it’s built-in from day one. Your React and Supabase-powered booking application, deployed on Vercel, demands an architecture that guarantees consistency amidst live user interactions. Addressing challenges like state discrepancies impacting pricing, time slot locking anomalies, and payment-booking synchronization is crucial to prevent data integrity erosion and user trust deficits. These issues are symptomatic of race conditions and asynchronous state management pitfalls inherent in real-time SaaS environments, requiring surgical corrections that preserve system stability. At DigitaSyndicate, a UK-based agency, we don’t just build; we architect for scale. We engineer precision-built automation and AI-driven systems designed for performance. Our approach reduces technical debt, ensuring fixes integrate seamlessly without necessitating extensive rework. We recently resolved similar timing and payment reconciliation faults for a live service platform in the entertainment sector. How is your current event processing structured within Supabase transactions to handle concurrency? Casper M. DigitaSyndicate
$200 USD trong 14 ngày
5,0
5,0

I can fix and refine your React + Typescript SaaS booking system with a safe and targeted approach to avoid disrupting your live users. I understand the urgency of resolving price mismatches, time slot locking issues, and FPX payment-booking synchronization bugs you outlined. I will debug React state management loops and Supabase auth interactions thoroughly to deliver stable fixes. Each issue will be addressed with a dedicated pull request, including brief deployment notes for seamless Vercel deployment. My approach prioritizes clean, maintainable code to support quick hot-fixes and future scalability. Should I prepare a detailed outline of the proposed fixes before we start?
$125 USD trong 7 ngày
5,0
5,0

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