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Both sides of my web application need immediate attention. On the frontend I’m seeing layout glitches across a few pages, several links or buttons that no longer respond, and a noticeable drop in loading speed that’s hurting user experience. The backend isn’t faring any better: intermittent database errors are showing up in the logs, some API routes fail or return incorrect data, and the server has crashed twice this week. Here’s what I need from you: • Diagnose and fix the layout problems so every page renders correctly on modern browsers and common mobile devices. • Restore all broken links and button actions, ensuring they route or trigger exactly as intended. • Optimise assets and code to bring first-load and repeat-load times back to an acceptable range. • Track down the root cause of the database errors, patch the queries or schema as required, and confirm data integrity. • Debug and correct the faulty API endpoints so they return the right payloads with proper status codes. • Stabilise the server to eliminate the recent crashes and put basic monitoring in place so we can spot issues early. I’m happy to provide repository access, current error logs, and a staging environment for testing. Once everything is stable and passes regression checks, we’ll move the fixes to production. If you’re experienced with modern frontend frameworks, SQL optimisation, RESTful APIs, and server administration, I’d love to get this resolved quickly.
Project ID: 40536354
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149 freelancers are bidding on average $27 USD for this job

Hi there, You’ve got a classic “everything works until traffic, state, and data all collide” problem, and that’s usually a sign the real issue is shared across the UI, API, and server layer. I can step through the frontend glitches, broken interactions, database errors, and failing endpoints together so we fix the causes, not just the symptoms. I’ve handled similar work in PHP/MySQL web apps, JavaScript frontends, REST API debugging, SQL fixes, speed tuning, and server stabilization on staging before production. I’ll inspect the logs, trace the failing routes, verify query behavior, clean up layout and responsiveness issues, and lock down the server so crashes stop repeating. 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. I’d start with a quick audit of the most unstable pages, the error log patterns, and the API/database call flow, then move into fixes and regression checks. Which framework and server stack is the application running on, and do you have the latest error logs plus API route examples? Best regards, Asad
$30 USD in 3 days
8.3
8.3

Hello, I can help diagnose and resolve both the frontend and backend issues affecting your web application, ensuring stability, performance, and a smooth user experience. I will: • Fix layout and responsive design issues across desktop and mobile devices • Restore broken links, buttons, and user interactions • Optimize frontend assets, code, and loading performance • Investigate and resolve database errors while ensuring data integrity • Debug faulty API endpoints and correct response handling and status codes • Identify the root cause of server crashes and implement stability improvements • Set up basic monitoring and logging for proactive issue detection • Perform regression testing before deployment I have experience with modern frontend frameworks, REST APIs, SQL optimization, backend debugging, and server administration, allowing me to troubleshoot issues across the entire stack efficiently. Ready to review your repository, logs, and staging environment and begin immediately. Best regards, Muhammad Rizwan LA
$20 USD in 7 days
8.2
8.2

Hi, your "Resolve Front & Backend Issues" project is right in my wheelhouse. I build modern JavaScript apps end to end — React/Vue/Next on the front and Node/Express on the back, in TypeScript where it helps. Working with php, javascript, mysql, html, backend development, frontend development, database management, api development, I focus on responsive, fast UIs, clean component structure, and reliable APIs — no page-builder shortcuts. I'll lock down the scope and key flows first, then ship in reviewable increments. Let's hop on a quick chat to align on your requirements? ⭐ 5.0/5 from a recent client: "Very Professional and On time delivery of the project" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$27 USD in 1 day
7.6
7.6

Hello, I see that your web application is facing some serious issues on both the frontend and backend. You need help fixing layout glitches, restoring functionality to links and buttons, and improving loading speeds. On the backend, I understand there are database errors and faulty API routes that need attention, as well as server stability concerns. With 7+ years of experience in PHP, JavaScript, and MySQL, I can effectively diagnose and resolve these problems. I’ll ensure that your application runs smoothly on all devices, fix the broken links, optimize code for better performance, and stabilize your server to prevent crashes. To better understand the situation, could you share if there were any recent changes made to the codebase or server configuration that might have triggered these issues? Best regards, Ivan Mandinski
$15 USD in 1 day
7.6
7.6

Hi, I’ve carefully reviewed your requirements and understand you're looking for someone who can jump into the existing codebase, identify the root cause of the frontend and backend issues, and resolve them without disrupting the current application. My approach is to first reproduce the reported issues, inspect API requests/responses, server logs, and database interactions, then systematically fix the integration problems. I'll verify authentication, data flow, validations, and API responses to ensure the frontend and backend communicate reliably. Before delivery, I'll thoroughly test all affected functionality and provide clean, maintainable fixes rather than temporary workarounds. I have strong experience with PHP, Laravel, Node.js, React, REST APIs, JavaScript, MySQL/PostgreSQL, and debugging existing applications. I'm comfortable working with unfamiliar codebases and quickly identifying issues while maintaining clean coding standards. A couple of quick questions: 1. Which technologies are being used for both the frontend and backend (Laravel, React, Vue, Node.js, etc.)? 2. Are there specific errors or modules that are currently failing, or should I begin with a complete diagnosis of the application? If my approach aligns with what you're looking for, I'm available to start immediately and will keep you updated throughout the debugging process until everything is working as expected.
$30 USD in 1 day
7.1
7.1

Stabilizing your PHP/MySQL server and API endpoints... I see your application is suffering from critical failures across both the frontend UI and the database/server layer. Instead of guessing, I will jump straight into your error logs and staging environment to trace the root causes. Here is my immediate execution plan: Backend & Server Stabilization: I will review your server logs to isolate the exact cause of the recent crashes, patch the failing MySQL queries, and implement basic uptime monitoring so we aren't flying blind. API & Data Integrity: I will debug the failing REST endpoints to ensure they are returning the correct JSON payloads and proper HTTP status codes. Frontend Optimization: I will fix the broken DOM elements/links, resolve the layout glitches for mobile responsiveness, and minimize asset payloads to restore acceptable first-load speeds. I am perfectly fine working within your $30 USD budget to execute these fixes, stabilize the staging environment, and earn a great 5-star review on my profile. Quick technical question: Is your PHP backend built on a specific framework (like Laravel or CodeIgniter), and is your server currently running on Apache or Nginx so I know where to look for the crash logs?
$30 USD in 3 days
6.9
6.9

With over a decade of experience in full-stack development, my team and I have encountered and successfully resolved a wide range of challenges similar to those detailed in your project description. Rest assured, our competency ranges from front-end tweaks to database optimizations to server management. We understand that when it comes to web applications, robustness and stability are essential aspects. Hence, our innate ability to diagnose and fix software issues promptly would undeniably prove to be an asset for you. In terms of technical skillset, we are equipped with JavaScript expertise along with considerable proficiency in MySQL and PHP, which are highly crucial for resolving both the front-end and back-end complexities outlined in your project requirements. From fixing layout glitches to restoring broken links, optimizing code to correcting faulty API endpoints - we've got you entirely covered. Moreover, our team is no stranger to working within staging environments and using repository access and error logs effectively. Our effective communication channels would ensure that input from your end is always taken into consideration throughout the project lifecycle. So why not engage with an experienced team that can deliver enterprise-grade standards while ensuring clear communication and reliable delivery? Let's discuss your project further; I am confident this would be the beginning of a successful collaboration!
$20 USD in 7 days
7.2
7.2

Hello, I came across your Resolve Front & Backend Issues and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in PHP, HTML, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
$30 USD in 1 day
6.3
6.3

Good morning. I'll diagnose and fix your frontend layout glitches, restore broken buttons and links, optimise asset loading, patch the database queries causing intermittent errors, correct the failing API endpoints to return proper payloads and status codes, and stabilise the server to prevent further crashes, including basic monitoring setup. All work done in PHP, JavaScript, MySQL, and Linux directly by me. Any must-have fixes I should prioritize first?
$30 USD in 3 days
6.5
6.5

Fixing Expert, __ I can fix frontend layout issues, broken links, backend DB/API errors, & server crashes. I’ll optimize performance, ensure stability, and test thoroughly before deployment. Ready to start ASAP. -- { 8 yrs Experience}
$29 USD in 1 day
6.5
6.5

Having spent over 10 years in the field of Full Stack Development and Digital Solutions, I have had extensive experience in tackling complex and high-stakes web development projects. Addressing those frontend and backend issues that have compromised your application performance is precisely what I do best. I possess a wide-ranging skill set including HTML, JavaScript, PHP – all of which will play a critical role in resolving the array of problems you're experiencing. Your project also requires expertise in API development & integrations, where my numerous successful API projects come into play. Finally, my long-term support commitment ensures that not only will I diagnose and solve your current problems comprehensively but also put measures into place for early detection of any future issues. Bringing your digital vision to life is my passion, and with me on the job, you can rest assured that this project will receive the utmost dedication and meticulousness it deserves.
$49 USD in 7 days
6.5
6.5

Hi, I have experience troubleshooting full-stack web applications, including frontend UI issues, API failures, database errors, performance bottlenecks, and production server incidents. I can investigate the root causes, implement tested fixes Thanks Anshuman
$20 USD in 7 days
6.4
6.4

Hello! We can help stabilize your web application and fix the current frontend and backend issues. 1. Do you already have a staging environment, logs, and repository access ready for review? 2. Which issue needs to be handled first: server stability, API errors, or frontend fixes? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$20 USD in 7 days
6.7
6.7

As a Full Stack Developer with over 6 years of experience, I am highly equipped to resolve the concerns you have mentioned in both the front and backend of your web application. My expertise extends to PHP, Laravel, JavaScript (React JS), and languages like HTML and CSS. I have a proven track record in fixing layout problems, restoring broken links and button actions, optimizing assets and code, as well as debugging databases and APIs - everything you need resolve right now. Moreover, I ensure all my work is optimized for loading speed so that user experience is positively impacted. I find the root cause of database errors and provide reliable solutions to prevent future issues. With my knowledge of Laravel as a PHP framework, SQL optimization techniques along with RESTful API development, I assure you efficient problem-solving abilities and thorough software testing skills. With these skills equipped with an eye for detail and clean code practices, I significantly contribute towards reducing overall software maintenance concerns.I believe my experience combined with my dedication to providing timely results-backed by ongoing support and maintenance makes me the ideal candidate for this project. Let us connect today for a fruitful collaboration!
$10 USD in 1 day
6.1
6.1

Hi, I can quickly diagnose and resolve your frontend, backend, database, API, and server issues, delivering a stable, optimized application with proper testing, monitoring, and production-ready fixes.
$20 USD in 7 days
5.9
5.9

Hi, I can help diagnose and fix both frontend and backend issues, including layout glitches, broken actions, speed optimization, database errors, faulty APIs, and server crashes. I’ll review the repo, logs, and staging setup, apply fixes safely, run regression checks, and help move the stable version to production. Ready to start immediately.
$20 USD in 7 days
6.0
6.0

Hi there, I see that your web application is facing some significant issues on both the frontend and backend. From layout glitches and unresponsive buttons to database errors and server crashes, it's clear that you need a thorough diagnosis and swift fixes. With 4+ years of experience in PHP, JavaScript, and database management, I can tackle these problems effectively. My approach would involve first identifying the root causes of the frontend layout issues and restoring all broken functionalities. I’d then optimize the code and assets to improve loading times. On the backend, I’d focus on troubleshooting the database errors and correcting the faulty API endpoints to ensure they deliver accurate data. Lastly, I'd work on stabilizing your server with monitoring tools to prevent future crashes. Could you share more about the specific technologies used in your frontend framework? Best regards, Arslan Shahid
$10 USD in 1 day
5.8
5.8

Backend crashes plus layout glitches together usually point to a few root causes—often missing error handling at the DB/API layer and some neglected dependency or package update on the frontend. I’ve cleaned up similar full-stack failures for SaaS platforms under live user load. I’ll review your logs and source, track the broken API/data pathways, and patch the DB queries directly—MySQL or PostgreSQL either way. On frontend, I’ll audit for failing scripts, dead links, regress styles to baseline, and optimize assets using React.js tooling or plain JS/CSS if that’s the stack. Can you tell me which framework runs the frontend and which SQL database you’re using? Repo access or one sample error log gets me started today. Pradeep
$20 USD in 7 days
5.3
5.3

I’m Juan Pablo, and I’ve fixed full‑stack breakages like this many times across frontend glitches, broken actions, API failures and unstable servers. I’ve done this exact thing before: diagnose layout issues, repair dead buttons, patch DB errors and stabilise backend routes fast. I can start now and deliver quick, clean fixes on both sides with proper regression checks. You’ll get a stable app, clean code and a server that stops crashing. Which repo branch should I start with?
$30 USD in 1 day
5.5
5.5

I’ve debugged and stabilised PHP/JavaScript/MySQL stacks with layout inconsistencies, broken endpoints, slow assets, and repeatable DB/API crashes before, so this is right in my wheelhouse. My approach: first I’ll pull the repo, review error logs and browser dev tools, then fix layout via CSS/HTML tweaks and asset optimisation (Webpack/ESBuild). Next, I’ll repro the API failures, patch the faulty routes/controllers, and tune the slowest SQL queries with EXPLAIN and proper indexing. After that I’ll address the DB schema issues causing intermittent errors—likely missing constraints or misconfigured transactions—and set up basic server monitoring (PM2/Monit) to catch crashes early. Once regression tests pass, I’ll push to staging, validate on mobile, and deploy to production with zero downtime. I can start immediately.
$20 USD in 1 day
5.0
5.0

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