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I have a live application whose core runs on PHP while several service layers are written in Node.js. Everything works—until the JSON we pass between layers silently shifts and breaks the backend. Right now I only need bug fixes; no new features or tuning, just rock-solid stability. Here’s what I’m dealing with: • backend endpoints intermittently return malformed or incomplete JSON • downstream PHP code then throws errors or stops responding altogether Your job is to trace where the JSON structure changes, correct the offending Node or PHP handlers, and make sure the same schema is respected throughout every call. Once the patch is in place I’ll want the updated code committed to Git and a brief note of what was changed so I can follow along. Automated tests or clear manual-test steps that demonstrate the fix will be the final acceptance point.
Project ID: 40590074
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77 freelancers are bidding on average ₹6,352 INR for this job

Hello, I can help with your "Fix PHP/Node Backend JSON Bugs" project. I build clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, javascript, node.js, socket io, git, json, backend development, api development, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. You'll get clean commits and clear documentation. Can we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "They delivered the project well ahead of the committed delivery date. It was an experienced team, and I would be happy to hire them again." Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
₹10,000 INR in 3 days
7.6
7.6

From your description, this isn't a feature request—it's a data consistency issue between your Node.js services and PHP backend. I've resolved similar cross-stack integration problems where inconsistent JSON structures, missing fields, or unexpected data types caused intermittent failures. My approach is to trace the complete request/response flow, identify exactly where the JSON schema changes, standardize the payload across all endpoints, and implement proper validation and error handling so both Node.js and PHP always exchange predictable data. I'll also review edge cases to prevent malformed or incomplete responses from reaching production. Deliverables include the bug fixes, clean Git commits with meaningful messages, a summary of the root cause and changes made, plus automated tests or detailed manual test steps to verify the issue is fully resolved. Estimated Timeline: 2 days, depending on the number of affected endpoints. Before starting, I'd like to confirm: 1. Which PHP and Node.js versions/frameworks are you using? 2. Is there an existing JSON schema or API documentation? 3. Can I access logs or sample requests where the failures occur?
₹8,000 INR in 2 days
7.6
7.6

Hello! I have extensive experience with both PHP and Node.js, I have completed a lot of Web projects here. Of course there is quite short project description, therefore I am going to trace and log requests caused error in order to identify error. And only after this step I'll decide how to fix. I cannot even exclude it's something takes 30 minutes to fix. I am available to start working immediately.
₹2,100 INR in 2 days
7.0
7.0

Hi, I can help identify and fix the JSON inconsistencies between your Node.js services and PHP backend. I'll trace the data flow, correct the handlers where the schema changes, and ensure a consistent JSON structure across all service calls. The fixes will be committed to Git with a summary of the changes, and I'll provide either automated tests or clear manual verification steps to demonstrate the issue has been resolved. Thanks Anshuman
₹7,000 INR in 4 days
6.4
6.4

Hi, I can fix the intermittent JSON corruption between your PHP core and Node.js service layers. My approach focuses on tracing the exact point where the structure breaks, then hardening the handlers so the same schema is enforced end-to-end. I’ll start by adding server-side validation and logging at both the Node.js response layer and the PHP consumption layer to capture malformed payloads without exposing sensitive data. Next, I’ll normalize JSON encoding in Node.js (using consistent serialization options) and add strict schema checks in PHP before processing, with clear error handling that prevents silent failures. Finally, I’ll write a few targeted test cases that replay the problematic payloads and confirm the fix holds. I can deliver this in around 10 days for INR 12500. To begin safely, do you have access to recent error logs or a sample of the malformed JSON that triggers the downstream errors?
₹12,500 INR in 10 days
6.0
6.0

With over 5 years of experience in backend development, I have mastered the art of hunting down and fixing bugs just like the one you're currently facing. I specialize in Node.js and PHP—both languages at play in your application—which means I am well-equipped to tackle the JSON inconsistencies and restore stability to your core system. Adhering to a consistent JSON schema is crucial for maintaining the integrity of your data flow, and I am confident in my abilities to identify and patch up any issues where that might be breaking down. Not only will I get your system back on track, but I will also commit the updated code to Git and provide comprehensive documentation ensuring that you can follow along with every change made. My skill set extends beyond simple bug fixes; I have a deep understanding of API development, database management, performance optimization, and UI/UX-friendly development—all areas that will contribute to creating resilient code for your application. Let's team up and solve these problems together. Your platform deserves a touch of my passion and commitment to turning ideas into reality.
₹7,000 INR in 7 days
5.7
5.7

Hi! I have strong experience debugging PHP and Node.js backends, especially API communication and JSON serialization issues. I'll trace the entire request flow, identify where the JSON schema changes, fix the root cause, validate consistency across all endpoints, commit the updates to Git, and provide clear testing steps and documentation for a stable, reliable solution.
₹7,000 INR in 2 days
5.4
5.4

Greetings, I have reviewed your project description and recently worked on a similar project. I believe I can help you deliver this successfully. Let’s open a chat to discuss your requirements in detail and determine the best approach for your project. Regards,
₹7,000 INR in 1 day
5.0
5.0

Hello, I'm interested in your project and have 5+ years of experience in PHP, Node.js, and API development. I can quickly identify the JSON handling issues, fix the backend, and ensure consistent data flow across all services. You'll get: * PHP & Node.js bug fixes * JSON schema consistency * Git commits with clean code * Testing and fix documentation Warm Regards, Monica Bhatia
₹6,000 INR in 2 days
5.1
5.1

Hi, I've debugged several PHP and Node.js applications where intermittent API failures were caused by inconsistent JSON contracts between services. My experience is in tracing these issues quickly, fixing them at the source, and ensuring the same payload structure is maintained across the entire request flow. The challenge isn't the malformed JSON itself—it's identifying where the contract silently changes and preventing it from happening again. I'll trace the complete data flow, implement a consistent schema, eliminate the backend failures, validate the fix with testing, and provide a clear summary of the changes committed to Git. I can resolve the root cause without introducing unnecessary changes and deliver a stable, well-documented fix. Thank you.
₹1,500 INR in 1 day
5.2
5.2

Hi, I have read your job description carefully. You have a live app where PHP core and Node.js service layers pass JSON between them, and that JSON intermittently comes back malformed or incomplete, breaking the downstream PHP code, and you need it traced and fixed with no new features. I have real experience about that, debugging JSON schema mismatches between PHP and Node.js service layers. Plan: trace the exact points where the JSON structure shifts by reproducing the failure across both layers, identify whether it's a serialization issue on the Node side or a parsing assumption on the PHP side, correct the offending handlers so the schema stays consistent through every call, then commit the fix to Git with a clear note of what changed and manual-test steps demonstrating it's resolved. Timeline: 5 days, budget ₹10,000 fixed. Happy to share similar PHP/Node debugging work. Thanks.
₹10,000 INR in 5 days
4.5
4.5

Hi, I can help you stabilize this quickly and make the JSON contract reliable across your PHP and Node.js layers. From your description, the issue is almost certainly caused by inconsistent serialization/deserialization, missing validation, or conditional response shaping in your Node services that PHP isn’t expecting. I’ll focus strictly on fixing these breakpoints—no feature creep. I’ve worked on similar PHP ↔ Node hybrid systems where silent JSON drift caused cascading failures—this is very fixable once properly traced. If you can share a couple of failing endpoints or sample payloads, I can get started immediately. Thanks
₹7,000 INR in 2 days
4.7
4.7

The biggest challenge I see is identifying where the JSON schema changes between the Node.js services and the PHP application, especially when the issue appears intermittently. I'd trace the complete request/response flow, compare the payloads at each layer, fix the inconsistent handlers, and ensure the same JSON structure is respected across every endpoint. I'll also document the changes and provide test steps to verify the fix before deployment. Question: Does the malformed JSON occur on specific endpoints, or is it happening across multiple services? I've worked on backend integrations involving Node.js, REST APIs, databases, and debugging complex data flows, making me comfortable tracking down issues like this efficiently.
₹7,000 INR in 3 days
4.7
4.7

Hi, I can quickly identify and fix the JSON inconsistency between your Node.js services and PHP backend. I'll trace the complete request/response flow, locate where the JSON schema changes, and ensure a consistent structure across all endpoints without affecting existing functionality. I'll update the required Node.js/PHP handlers, thoroughly test the fix, commit the changes to Git, and provide a clear summary of what was modified along with verification steps. My focus will be stability and preventing these intermittent JSON-related failures from recurring. I can start immediately and deliver the fix within **1–2 days**, depending on the complexity of the issue. Best regards, **Mukesh Kumar**
₹6,500 INR in 1 day
4.8
4.8

✅ I can design and develop **four modern, production-ready, responsive HTML/CSS/JS loan journey templates** with a seamless eligibility check and loan application flow, inspired by leading banking UX while remaining fully white-label. ✅ Each template will include centralized theme variables, semantic and accessible code, clean component architecture, Vanilla JS, WCAG-friendly design, and optimized performance targeting Lighthouse scores above 90. ✅ You'll receive complete source code, style guides, integration documentation, competitor UX analysis, and developer-ready templates that can be plugged directly into your backend with minimal effort.
₹5,000 INR in 7 days
4.2
4.2

With over 6 years of experience, my expertise stretches across AI augmentation, full-stack development and automation systems with utmost dedication to ensure a smooth and scalable process – giving you exactly the bug-free system your live application needs. My familiarity with various languages, including Node.js and PHP, is commendable as I have used them extensively in building some of my most successful projects. Thus, tracking down the issue causing your backend to break allows me to strategically correct it for robust schema stability in your JSON exchange system. Lastly, as a well-versed problem solver and effective communicator, I understand the importance of maintaining deadlines and keeping clients informed throughout the project timeline. Honesty and proficiency are two qualities that put me above other freelancers – backed up by proven experiences managing data infrastructures efficiently just as your project requires. With me on board, be ready to move forward without any backend vulnerabilities hampering your outstanding application's operations.
₹1,500 INR in 1 day
4.4
4.4

Hello, I am a Full-Stack Backend Developer with strong expertise in PHP, Node.js, JSON, REST APIs, MySQL, MongoDB, and JavaScript. I have extensive experience debugging backend applications, resolving JSON parsing and serialization issues, fixing API response mismatches, and integrating PHP and Node.js services. Backend issues involving JSON formatting, API communication, and data synchronization require careful debugging to ensure reliable and consistent application behavior. For your project, I can quickly identify the root cause of the PHP/Node.js backend issue, fix the JSON-related errors, validate API responses, optimize data flow between services, and ensure compatibility with your frontend. I write clean, maintainable code, thoroughly test all endpoints, and document the changes so the application remains stable and easy to maintain. I provide Git-based development, regular progress updates, comprehensive testing, deployment assistance, and post-delivery support. I am available to start immediately and would be happy to review your codebase and resolve the issue as quickly as possible. Best regards, Pradeep
₹1,500 INR in 7 days
4.0
4.0

With the intermittent issues you're experiencing on your PHP/Node.js backend, my skills, experience, and approach position me as the perfect fit for your project. As a seasoned Full-Stack Developer skilled in both Node.js and PHP, fixing backend issues is right up my alley. I want to assure you that stability isn't just important; it's necessary. I have a meticulous and detail-oriented approach which will enable me to identify and resolve the smallest of issues in the JSON structure swiftly and effectively. Additionally, my experience working with similar projects has honed my debugging abilities, ensuring that your application functions flawlessly post-patch. My value-add doesn't stop at issue-fixing. Committing the updated code to Git with clear change notes is standard procedure for me. To maintain transparency and provide complete satisfaction, I can create automated tests or detailed manual test steps that you can run to validate the effectiveness of the fix. Consequently, choosing me would not only eliminate the current JSON bugs but also provide a seamless functioning system moving forward. Given my extensive background in cloud technologies like AWS, Azure, Google Cloud, along with API development knowledge, I can deliver a robust and future-ready solution for your application. When it comes to full-stack power and reliability, leverage upon my skills for impeccable results that meet your business needs!
₹7,000 INR in 7 days
4.0
4.0

Hi there! I'm excited to dive into fixing the JSON bugs in your PHP/Node backend. I understand the frustration of dealing with intermittent issues that disrupt your application's stability. Here's how I plan to tackle your challenges: - I'll meticulously trace the points where the JSON structure shifts, ensuring data integrity at every layer. - By identifying and rectifying the problematic Node.js and PHP handlers, I'll restore seamless communication between components. - I'll maintain consistency in the JSON schema across all interactions to prevent future disruptions. With my expertise in PHP and Node.js, I've successfully resolved similar backend issues in the past. I'm looking forward to discussing your project further and providing a robust solution. Let's collaborate to achieve a reliable and efficient backend system.
₹7,000 INR in 7 days
4.1
4.1

Hello, I've carefully reviewed your requirements, and I understand the issue isn't the application itself—it's the inconsistent JSON contract between your Node.js services and PHP backend, which is causing intermittent failures. I have experience debugging distributed applications built with PHP, Node.js, REST APIs, and JSON-based communication. My approach is to trace the complete request/response flow, identify where the payload structure changes, validate schema consistency across all service layers, and implement a reliable fix without affecting existing functionality. I'll review both the Node.js handlers and PHP endpoints, add proper validation and error handling where necessary, and ensure every endpoint returns a predictable JSON structure. After the fix, I'll verify the workflow through testing, commit the changes to Git with clear commit messages, and provide a concise summary explaining the root cause and the implemented solution. Before I begin, I'd like to know: * Is there an API specification (OpenAPI/Postman collection) or an expected JSON schema? * Does the issue occur on specific endpoints or randomly across multiple services? I'm ready to start immediately and focus on delivering a stable, production-ready fix. Best regards, Mohammed
₹7,000 INR in 7 days
3.7
3.7

Chandigarh, India
Member since Jun 26, 2025
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