Sergey Rudnev
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Vladislav Vebdev 26 May 2016https://liveopencart.ru/opencart-moduli-shablony/moduli/vneshniy-vid/izobrajeniya-optsiy-pro-2
Current freelance projects in the category PHP
We are looking for a Senior PHP Developer to optimize our e-commerce backend. The goal is to audit and speed up our database queries, resolve occasional performance bottlenecks, and refactor key parts of our legacy code to handle peak traffic smoothly. This is a straightforward, short-term contract. Scope of Work: Database Tuning: Audit existing MySQL/PostgreSQL databases, optimize heavy queries, and adjust indexes to fix slow transactional paths. Backend Refactoring: Clean up redundant legacy code within the main application layers to improve execution speed. Caching Integration: Configure and optimize Redis caching layers to reduce server and database load. Budget & Milestones:Total Budget: $3,300 USD (Fixed Price / Escrow) Milestone 1 ($1,650 USD): Database audit, query profiling, and index optimization completed. Milestone 2 ($1,650 USD): Caching implementation, code refactoring, and final performance verification.
Copying the database and front for the database (Currently, the front is partially copied and some characteristics are incorrect. The parser filled the database with its own characteristics) Synchronizing the parser with the database and the characteristics of the database Fixing the bug in the parser agent Cropping photos proportionally to the watermark that comes from the parser Working with the buffer with the new database and tools with the objects of this database Fixing minor bugs: for example, text in pop-ups, or small issues on the front, bugs that appear during task execution Connecting a new storage for media storage Logs have stopped writing to the financial operations table, which affects the balance and tariff plan pages (payment of the tariff, account replenishment (successful/not)) Check the payment functionality again and then replace the test billing API from Monobank with the real one Refine access rights for the database administrator user There are currently hanging processes that load the server; this needs to be checked The logic of comments and notes is currently working incorrectly; it needs to be such that for the same object in 2 databases - comments are tied to each database, not to the object, the source of which is the object of this database (I can explain in more detail in private) Fix the sorting in the databases correctly (Currently from the first added to the last. It needs to be the opposite; the sorting functionality is created) Check and correct the accuracy of filters in the databases, possibly add restrictions on filtering with large data volumes
It is necessary to migrate a custom project from CodeIgniter 2 to Laravel 12. I will provide details in private messages.
Project The existing website is developed on Symfony. The project needs to be taken over for support, familiarize with the code, and subsequently carry out improvements. Main tasks Implement all technical recommendations from the SEO specialist according to the provided technical assignment. Make changes to the monument configurator according to a separate list of requirements. Implement the updated website design (layout and integration of the new design). Carry out further technical improvements and support for the website as needed. Expectations from the developer Familiarization with the project structure and codebase. Assessment of costs and timelines for each stage. Adherence to the existing project architecture and quality implementation of changes. Maintaining communication regarding task execution and possible technical solutions.
I want a bot for Telegram. Loading dialogues. With the help of AI, checking for potential lies. A website with advanced features. Registration, API, statistics, etc.