I will fix bugs, errors, and REST API issues in your web application

About this Gig

I will diagnose and fix bugs, errors, API issues, and backend problems in your existing web application. I can work with existing codebases and help with: * Java and Spring Boot backend issues * REST API errors and integrations * React and Next.js frontend issues * Python, Django, and FastAPI applications * MySQL, SQL, and Supabase database issues * Authentication and application logic problems * Frontend/backend integration issues * AI and OpenAI API integration problems * Linux-based deployment and application issues * Small feature fixes and improvements You don't need to rebuild your application. Send me the existing project, explain the issue, and I'll investigate the problem and implement the appropriate fix. I can work on both small bugs and more complex application issues depending on the requirements.

Requirements

Please provide: * A short description of the problem or feature you need * Relevant error messages or screenshots, if available * The existing source code/repository or required project files * API documentation or credentials if the task requires external API access * Database/schema information if the issue involves the database * Steps to reproduce the issue, if available Please do not send passwords or sensitive credentials directly. Temporary/test credentials are preferred where possible.

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