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 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 ...

We are looking for an experienced backend developer to fix and optimize our existing Django and FastAPI applications. The task includes identifying and resolving backend bugs, improving PostgreSQL query performance, refactoring code for better readability and scalability, and ens ...

We are seeking an experienced Shopify expert to address backend and display issues, wiht experience in working within theme customizations. · The ideal candidate will have a strong background in Shopify development and be able to troubleshoot and fix various issues efficiently. I ...

Job Overview · We are looking for an experienced Python backend + developer to diagnose and fix a production API issue affecting our web application. · Our stack includes: · Frontend: · Backend: Python (FastAPI / Django / Flask – specify yours) · Database: PostgreSQL · Deployme ...

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

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

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 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 ...

The Task: · We are looking for a developer who can immediately jump in and resolve a critical connection issue between our Supabase backend and the Base44 framework. The app is already built, but the data flow and API handshake between these two systems are currently failing or u ...

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 ...

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 looking for an experienced full-stack developer to take over an existing case unboxing / gambling-style platform that requires significant backend fixes, · Fix deposit issues (credits sometimes count as 2x) · Repair and stabilize existing game modes · Finish / clean up inc ...

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

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

· A WordPress developer is needed to fix errors on a client's website within 2 days. The job requires Mandatory skills: WordPress, PHP, Web Development, MySQL, CSS. · ...

We are seeking an experienced developer to assist in fixing APIs for a simple app built on Firebase. · The ideal candidate will also review our GIT and Google Cloud backend setups to ensure everything is functioning optimally. · Mandatory skills:Firebase · API · Android · JavaScr ...

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 ...