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We are developing an industrial management system built with Next.js. The application uses [login to view URL] API routes as the backend layer and Prisma ORM with a PostgreSQL database. We are currently facing backend issues in production that require an experienced developer to diagnose and resolve. Problem Description: Inconsistent API responses under production load Occasional HTTP 500 errors Intermittent stale data being returned Issues are not consistently reproducible in development Most affected areas: Inventory update endpoints (write-heavy) Reporting endpoints (read-heavy) Technical Stack: [login to view URL] (API Routes) Prisma ORM PostgreSQL Hosted production environment with load balancing Scope of Work: Investigate root cause of backend inconsistencies Debug API route logic and request handling Analyze Prisma queries and database interactions Review caching mechanisms (if applicable) Identify potential race conditions or concurrency issues Implement fixes and validate under load conditions Improve logging (if necessary) Provide documentation of: Root cause Fix implemented Recommendations for future improvements Deliverables: Bug-fixed backend code Clear documentation/report Optional performance improvement suggestions Timeline: Expected completion: 1-2 days Must be completed within 3days Requirements: Strong experience with [login to view URL] (especially API routes) Experience with Prisma and PostgreSQL Familiarity with debugging production issues Understanding of caching and concurrency issues Ability to work with staging/production environments Access Provided: Git repository Staging environment Necessary environment variables (securely shared) Communication: Daily progress updates required Clear documentation is mandatory
Project ID: 40394219
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1. Relevant Experience: I have 7+ years of experience with [login to view URL], including backend API routes. I’ve worked extensively with Prisma and PostgreSQL, particularly in production debugging and performance optimization. 2. Approach: Replicate issue in staging Analyze API logs and request patterns Review Prisma queries for inefficiencies Check caching layer and concurrency handling Implement fix and run load simulations 3. Timeline: 1 days total, can start immediately 4. Past Work: Worked on SaaS dashboard with similar API performance issues (details available upon request) 5. Questions: Are you using ISR or any [login to view URL] caching features? Is there existing monitoring (e.g., logs, APM)?
$30 USD in 1 day
0.0
0.0
94 freelancers are bidding on average $33 USD for this job

Hello dear, Toriqul Global Solutions is a professional web design and development company dedicated to building modern, high-performance, and user-friendly digital solutions. Founded by Engineer Md. Toriqul Islam, a Computer Science & Engineering graduate from RUET, the company has over 10 years of experience delivering scalable and visually appealing websites. Web Design & Development: We are a full-stack web development team with strong experience. Our design approach is modern and simple, helping attract and engage users effectively. We have built websites for various industries and worked with many clients, delivering high-quality solutions. Client satisfaction is always our top priority. Technologies We Use: HTML5, CSS3, Bootstrap, JavaScript, jQuery, Angular, React, Node.js, WordPress, PHP, Laravel, .NET, CodeIgniter, Python, Ruby on Rails, MySQL, MongoDB. Why Choose Us: • Modern, clean, user-focused design • Fully responsive on all devices • Scalable and optimized code • Clean and well-documented work • On-time delivery • Clear communication • Client satisfaction first We have worked with clients across different industries, delivering websites that meet business goals and user expectations. Let’s build something great together. We are ready to discuss your project and start immediately. Best Regards, Toriqul Global Solutions
$20 USD in 2 days
5.4
5.4

Hello, I built a similar multi-store e-commerce platform with PostgreSQL handling inventory tracking and order management under heavy concurrent load, live at cpm.axis-app.net. Your symptoms suggest connection pool exhaustion combined with potential Prisma query caching issues under load balancing. I would start by auditing your Prisma connection pooling configuration and implementing proper transaction isolation for inventory writes while adding response caching strategies for reporting endpoints. Let's discuss!
$20 USD in 1 day
3.6
3.6

⚡⚡⚡⚡⚡Hello. I have read your project proposal in details. ⚡⚡⚡⚡⚡ I’ve fixed this exact failure pattern in Next. js API Routes with Prisma/PostgreSQL under load: sporadic 500s, stale reads, and inconsistent responses that never show up locally because production adds concurrency, pooled connections, cache layers, and multi-instance timing. I’ll trace affected inventory writes and reporting reads end to end, instrument request IDs and query timing, inspect Prisma transaction boundaries, isolation assumptions, retry/error paths, and any cache invalidation gaps, then reproduce with staged load using k6/Postman, patch the root cause safely, validate under concurrency, and deliver code, logs, and a concise root-cause report with prevention steps. If helpful, I can review your current setup and show exactly how I’d approach your case before we start.
$20 USD in 1 day
1.9
1.9

Hi there, I’d be happy to discuss your project—feel free to start a chat anytime. I’m a full-stack developer with solid experience building scalable web and desktop applications, and I’m confident I can deliver your project efficiently and on time. I also have strong exposure to modern technologies including Web3 concepts, DevOps practices, and automation. I’m a Kubernetes enthusiast with hands-on experience using Docker containers and deploying applications on Linux servers. My expertise includes: MERN / MEAN Stack (development + team management) .NET Core APIs with Angular, including D3.js data visualizations Azure Logic Apps, SharePoint, and workflow automation (PowerApps familiarity) Salesforce development with Apex, Visualforce, and integrations via .NET APIs DevOps basics, containerization, and application hosting on Linux Automation workflows and AI-based tools to improve efficiency I bring a problem-solving mindset and full project lifecycle experience—from development to deployment. Looking forward to hearing from you. Thank you!
$30 USD in 1 day
1.5
1.5

Hello, there, I’ll cut to the chase: you’re seeing production-era inconsistencies under load, and I’ll approach this with concrete, hands-on debugging rather than guesswork. The most likely failure point is race conditions around write-heavy inventory updates and stale reads in reporting paths, amplified by load balancing and async scheduling. From experience, I start by instrumenting focused request traces, enabling per-endpoint logging, and wrapping critical Prisma interactions in transactions with explicit isolation where needed. I also verify caching boundaries and ensure read-after-write consistency by deterministic cache invalidation tied to exact mutation events, plus idempotent retry logic for API routes. A key improvement I’ve used to boost reliability is wrapping writes in carefully scoped transactions and introducing a lightweight, versioned cache invalidation scheme that’s resilient to partial failures. This reduces data drift under high concurrency and makes debugging easier when something slips under load . Thanks, Jim.
$20 USD in 1 day
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Being completely honest I don’t know what makes me best I just know I have the knowledge to fix such errors due to past relationships with building website and fixing backends when pen testing
$30 USD in 3 days
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Hi, full-stack dev here with 9+ years of experience I can jump immediately to fix your issues. Please check my reviews when considering. Kind Regards!
$170 USD in 7 days
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