PHP/MySQL/REST API backend fix

We are facing an issue in our live backend system and need an experienced developer to diagnose and fix the problem. · ...

I need to fix some issues in the backend of my webapplication. · ...

I need a Shopify developer to fix a few backend-related issues on · . This includes checking cart and fixing any product/variant logic issues, improving page load speed caused by apps or scripts, and resolving minor Liquid/CSS conflicts affecting layout and mobile responsiveness ...

I need a developer to debug, fix, and stabilize the backend + app behavior, and eliminate TestFlight crashes. · ...

I have a chatbot deployed on DigitalOcean for my business. The chatbot UI is working correctly, but when users send a message, the bot does not return any response. · Investigate why the chatbot is not responding · Debug backend/API connection issues · ...

We are looking for a senior Node backend developer to help fix build errors in projects developed with React and Node. · ...

We are looking for a skilled backend developer to jump in and resolve a specific issue with our existing API. · ...

We are seeking a skilled Java Backend Developer to assist with bug fixing and small tasks in our existing application. The ideal candidate will have a solid background in Spring Boot and PostgreSQL.Troubleshooting issuesImplementing solutionsE nsuring optimal performance of the b ...

We are seeking a skilled backend developer to troubleshoot and resolve a deployment error in our application. · ...

We are building a production-grade consumer web application that integrates Kroger's official API for store locations, products and pricing. The application is already live in staging/production on Render with source code versioned in GitHub. · The job requires a senior backend e ...

We are looking for a skilled freelancer to clean up the backend of our website by identifying and fixing broken links. · Auditing existing links, · Troubleshooting issues, · Ensuring website functionality and user experience are improved. · ...

We are seeking an experienced developer to troubleshoot and resolve a CORS error in our application's backend API. · ...

We generate a multi-page PDF report. On page 14 and page 16, we render horizontal bar charts using SVG. · English text renders correctly. · Thai (and other non-Latin languages) currently appear as squares (missing glyphs) in specific SVG text positions. · The rest of the PDF work ...

Seeking a freelancer with experience in Lovable or similar no-code platforms to resolve backend bugs in an MVP app for a pilot research study. The focus is on ensuring participant privacy and data security. · ...

I have a project that due date is tomorrow. I need help fixing base44 integration with Gmail for per user oauth. · ...

We are building a critical integration layer between a trading platform and our internal ecosystem (Internal Platform + Salesforce). The trading platform exposes financial and account-level data via the FIX protocol which is not directly consumable by modern web systems · The tra ...

I'm looking for an experienced backend developer to fix small issues in my personal project built with , Prisma, and PostgreSQL. · ...

Looking for someone to fix a small bug in my Node/Express backend. · ...

We are looking for an experienced developer to help perform a few fixes on our custom-built website. · Troubleshoot and fix DNS4EU related access issues affecting some European users. · ...

We're experiencing several issues with our existing Python-based APIs that need investigation and fixing. · Our APIs are functional but not stable enough for reliable production use,and we need someone to review the implementation, · identify the root causes,and apply targeted fi ...

We are looking for an experienced backend developer to fix bugs in our existing MERN stack application. · ...