Php website jobs

Real Estate Multivendor Website, Ideally I want in PHP. Only looking for a Developer who has created before. I am not looking to create it from scratch.

**** DO NOT BLIND BID **** I am looking for an experienced PHP developer who also has background in UX/UI Design to assist with finishing a project, we have a custom a WordPress plugin and now just need make the output/layout beautiful. **** DO NOT BLIND BID ****

...homepage of my website. Key Points: - The error started occurring after I updated the PHP version to 8.2. I'm not entirely sure if my website is fully compatible with this version or not. - No other changes have been made to the website recently. I need a developer to identify and resolve the 500 error issue on my website. Your job will involve checking the compatibility of the website with PHP 8.2 and fixing any issues that may be causing the error. Further, you may need to: - Review the server logs to pinpoint the exact cause of the 500 error. - Update the website's code or configurations to ensure they are compatible with PHP 8.2. - Test the website thoroughly after the fix to ensure that the error is comple...

I'm looking for an expert with a strong PHP background to perform an extensive redesign of all pages of my existing website. The project involves: 1. Layout Redesign: The task requires a full redesign of both the homepage and content pages. This includes aspects of the navigation menu as well, ensuring a seamless browsing experience for visitors. 2. Content Modification: Some content sections need adjustments. Changes will range from removal, addition, or rearrangement. Details will be provided during the project's commencement. Ideal candidates should have strong UX/UI design skills, experience in PHP web development, and a keen eye for detail. Strong communication skills are essential, as I expect regular updates on project progression. Show me your prev...

I'm in need of a skilled developer who is proficient in a variety of programming languages and can work on two key areas of my website. - Basket Feature Integration: The first task involves adding a basket feature to the site. The feature should incorporate the ability to both add and subtract items, and should clearly display the total cost of the items in the basket. Additionally, the basket should be designed to support Stripe payment integration so when when paying total cost will be on stripe showing the products. - Registration Redirection Fix: The second task is addressing a critical issue with the registration process. Currently, upon successful registration, the user remains on the registration page. This is not the intended behavior, and I need a solution that will...

We're experiencing an issue with our Laravel website. The login works intermittently for regular users, and I've noticed this issue on Google Chrome. The problem seems to happen randomly without any specific pattern. When it fails, after login, php log says the user has logged in. But in the website, it shows that the user is still in unlogged in mode. It seems the login state is not properly for the website either in the cookie, or somewhere in the webpage Key Points: - Occurring for regular users on Google Chrome - Random failures without a pattern I'm looking for a skilled Laravel developer who can help me diagnose and resolve this issue. Ideal Skills and Experience: - Strong proficiency with Laravel PHP framework - In-depth understa...

I am currently facing an issue with my website - when a user registers on the site, instead of being redirected to their profile page or login page, the system keeps them on the same page. Furthermore, upon this failure to redirect, it shows it is successful when registering but doesn't take to another page. I need someone with strong proficiency in HTML, CSS, JavaScript, PHP, and SQL to diagnose the problem and implement a solution so that after successful registration, users are seamlessly taken to their profile page. The ideal candidate should have: - Significant experience in PHP, HTML, CSS, JavaScript, and SQL. - Proven track record in troubleshooting and rectifying website issues. - Firm understanding of user authentication and session management.

I'm currently experiencing some issues with my website that require a developer experienced in CodeIgniter and PHPMyAdmin to resolve. Additionally, I require some new functions to be added to my website's admin panel. Key Areas of Work: - Fixing Error Messages: The site is currently displaying error messages related to database connections and functionality. These need to be debugged and resolved. - Adding New Functions: I'm looking to enhance the admin panel with new features in the following areas: - User Management: I need a more robust user management system to be implemented. - Content Management: The content management system should be optimized for smoother operation. - Reporting and Analytics: I require better tools for analytics and reporting within th...

I need a proficient PHP developer who can help me sign XML files and send them through SOAP using a .p12 certificate from FMNT in Spain. We need to use XMLDSig in the body of the message SOAP using: • Sign Algorith : RSA/DSA (better RSA - ) • Canonicalization: "exc-c14n" (Exclusive) • Digest Algorith : "sha1" ( - The certificate will be used on a web-based platform, which requires a professional with strong experience in working across different web environments. - The primary purpose of this project is to authenticate company data securely ensuring data integrity. - Ideal skills include a strong background in PHP, SOAP, XML, web security, and familiarity with .p12 certificates and FMNT standards

I’m seeking a full stack web developer with proficiency in HTML, CSS, JavaScript, Python, Ruby, PHP, Node.js, and React to create a comprehensive hotel booking website. The primary aim of this project is to offer a user-friendly and efficient space for users to book hotels while enjoying a smooth and seamless experience. Features desired include: - Search functionality to enable effortless hotel discovery - Booking management to track and manage users' bookings - Incorporation of customer reviews to enhance customer confidence and choices - Integration of online payment solutions for smooth financial transactions - A Room availability calendar for easy checking of room availability - Multi-language support to cater to a global audience - A chat bot for 24/...

I need a skilled PHP developer for a project that requires merging multiple images into a single template. The primary task is to overlay images on top of a template, creating a final image that is a combination of all the images. Key requirements include: - Merging multiple images: This project involves overlaying several images on top of each other to create a final composite image. - Positioning and Size: The ability to adjust the positioning and size of the images being overlaid is essential. While I prefer a simple drag and drop tool to adjust these parameters, the output should be precise. - Output Formats: The final image should be available in both JPEG and PNG formats. Ideal skills and experience for this job include: - Strong proficiency in PHP: Since this project...

As a gift basket business owner, I'm seeking an experienced Woo-commerce developer who can resolve a shipping issue on my website. The problem lies with the incorrect calculation of delivery fees if the customer's billing and shipping address differ. - The Requirement: I need the system to accurately use both the billing and shipping addresses when determining the delivery fee. The rates must differ based on the zip codes entered. - Essential Skills: Deep understanding of Woo-Commerce, PHP, Javascript, and any other relevant programming language. Prior experience in handling shipping/delivery rates customization is a plus. In your proposal, please discuss your previous similar projects and your chosen approach to handle this task.

I need a skilled PHP developer to create a few pages with a modern and interactive design. The web pages should incorporate functionalities like user registration and login, along with a contact form. This assignment requires a deep understanding of PHP along with a creative mind to ensure a user-friendly design that promotes interaction. Ideal Skills: - PHP development - Web design - Experience developing registration/login processes - Experience creating web-based contact forms

I'm seeking a skilled Full Stack Developer with extensive experience in PHP to develop a web application. The primary functionalities I'm looking for in this project are around the API and the ability to handle data updates. Key Requirements: - Expertise with PHP: The ideal candidate should have a strong background in PHP, with the capability to develop robust and efficient code. - Full Stack Proficiency: The project requires both frontend and backend development. Proficiency in both areas is crucial for the success of this project. - API Development: You should have experience in developing APIs, especially around data updates. This is a core part of the requirements. The project is focused on developing a web application and ensuring that the API is cap...

...prefer. The old website was on WordPress, but the guy used ACF and created some custom fields for company employees to register stores separated by state and city. There's also something about taxonomy; he created 2 custom post types: 'office' and 'officearea.' In the old WordPress, it worked like this: 1 - User goes to the offices menu, where all states are listed. 2 - User chooses a state, and that state's name is in the URL. 3 - It seems the guy made a PHP script that retrieves the chosen state from the URL, then loops through and displays only the offices in that state. 4 - User clicks on an office and lands on the office's information page. I managed to make this entire structure work on my new WordPress + Divi theme + ACF. I tin...

I'm currently experiencing a syntax error within a data retrieval process in my SOAP database management system. This error is interrupting the smooth functioning of my website and application. Requirements: - Extensive knowledge and experience in PHP and SOAP. - Proven track record of successfully resolving syntax errors, particularly within data retrieval processes. - Ability to identify, debug and promptly solve syntax issues. - Ability to work efficiently, ensuring minimal downtime during fixes. Additionally, recommendations for preventing similar issues in the future would be appreciated. The ideal candidate should be available to start as soon as possible.

I am seeking a proficient Flutter developer to create an application for both iOS and Android platforms, with integral backend development using PHP/MySQL. Key Responsibilities: * Develop a Flutter app for both Android and iOS platforms. * Backend development of the app using PHP/MySQL. * Creation of Data fetching APIs for seamless user-experience. Ideal Skills: * Proficient in Flutter * Extensive experience with PHP/MySQL backend development * Skilled and knowledgeable in creating Data fetching APIs If you have proven experience in similar projects, I am willing to discuss the details further. Your understanding and expertise in Flutter development and API creation is paramount for this project.

I need a proficient PHP developer experienced in manipulating URL accessibility. Ideally, only Google bots should access the URL, keeping the link invisible to all other including real human. The task requires the ability to: - Leverage PHP to restrict access to the specific URL; - Use user agent string detection to discern between Google bots and real human users; - Block all real users, regardless of their geographical location or device used. Your extensive background dealing with PHP, coupled with a solid understanding of user agent strings, is essential for this project. If you have previous experience working on similar projects, those will be advantageous. Please share examples of your past work if possible.

I'm in need of a talented PHP Nextjs developer for a project involving a range of tasks including Backend development, Frontend development, and API integration. If you're well versed in PHP and JavaScript, and have extensive experience working with , this could be the ideal project for you. Key Tasks: - Backend development: I require a skilled developer to build and maintain the server-side of the web application. - Frontend development: I need assistance with the development and maintenance of the client-side of the application. - API integration: Experience integrating various APIs is a must for this project. Specific Features: - User Authentication: You'll be responsible for implementing a secure and user-friendly authentication system. - Database Integra...

I'm looking for an experienced WordPress developer who can help me add a special functionality to my existing websites by creating a custom plugin. This role is ideal for someone who has: - A high level of competency in PHP, JavaScript, and MySQL and is experienced in WordPress. - Strong understanding of the WordPress plugins ecosystem and knowledge on how to extend its functionalities. - In-depth knowledge of SEO and how to enhance it on a WordPress website. Key Tasks: - Develop a WordPress plugin that targets SEO enhancements. - Test the plugin for compatibility issues and fix any bugs, ensuring it works harmoniously with our existing setup. - Understand our needs and respond to them by customizing the plugin where necessary. Please note that the function to be adde...

...slow website loading times and database slowdowns, which is unacceptable as I regularly have more than 500 concurrent visitors. The primary focus of this project will be optimizing the server's Plesk settings, Postgres and MariaDB databases, and PHP 8.2 configuration. Key tasks will include, but are not limited to: - Configuring Plesk for optimal performance, including adjusting server pool size - Identifying and implementing improvements to Postgres and MariaDB settings to reduce slowdowns - Tuning PHP 8.2 to enhance website speed and performance Ideal candidates for this project will have: - Proven experience in optimizing dedicated servers, particularly with Plesk and Almalinux - A solid understanding of database optimization, including Postgres ...

I'm seeking a skilled PHP/MySQL developer to create a custom PHP POS application. This job will require you to have good experience in PHP/MySQL. You will be paid on a task-based. We will test you with some sample tasks. To be eligible for further discussion I want you to have a look into the portal by visiting the below link and create a free account and try the portal give me one issue you have faced and can be improved in the portal. If you are unable to do above then your application will be rejected immediately.

I'm in urgent need of a full stack PHP developer for a custom web application. The ideal candidate should be proficient in both front-end and back-end development, as well as database management. Key Responsibilities: - Developing a custom web application using PHP - Implementing both front-end and back-end features - Ensuring proper database management Key Requirements: - Prior experience in developing custom web applications - Proficiency in PHP, with a solid background in both front-end and back-end development - Experience with managing databases - Good understanding of security and scalability - Ability to work in a fast-paced environment - Strong problem-solving skills Please note that knowledge of any specific frameworks like Laravel, CodeIgniter, or Sy...

I need a skilled PHP developer with full-stack capabilities for an urgent web application project. The primary purpose of this project is the development of a web application, with a major focus on user login and authentication. Key Tasks: - Front-end Development: The ideal candidate should be proficient in creating user-friendly interfaces that are engaging and responsive. - Back-end Development: A strong understanding of server-side languages and database management is essential for this project. - Database Integration: The successful candidate will be responsible for integrating and managing databases to ensure seamless operation of the web application. The most important feature of this web application is user login and authentication. As such, the developer should have a pro...

I'm in urgent need of a PHP developer to create and implement APIs. The API will be utilized by a frontend that's already been designed. Key Project Details: - I'm looking for APIs to cater to User authentication, Data retrieval, Data manipulation and allow for file uploads. - The project has an 'ASAP' deadline, so I'm seeking a developer who can start immediately and work quickly without compromising quality. Ideal Candidate: - Proficient in PHP and experienced in API development - Skilled in creating secure and efficient user authentication systems - Capable of executing data retrieval, manipulation, and file upload functionalities with precision and speed

I currently have a PHP script that echo's the value of a MySQL db and results appear 3 to a page using Pagination. I'd like the script modified to filter results. There should be a drop down box on the page with the selections of the drop down corresponding to the table column and when selected only the rows with the value of the column appear while still only displaying 3 to a page with page back and forward controls. In the below example of a db table the drop down box would contain the selections 1, 2 and 3. When the used selects 1 then the page output would only display Bob, Jane and Sarah. This is an already existing page with css in the output. Name Address. number ------------------------------------------------------ bob brisbane. ...

php 8.3 downloaded from . I require an expert in PHP installation and testing on my Windows 10 LAPTOP. I do not need Xampp or Wamp.

I'm searching urgently for an experienced PHP architect who can construct a unique e-commerce shopping cart and accompanying admin panel. Key Responsibilities Include: - Constructing a product catalog and search functionality to allow customers to easily browse and locate items. - Integrating an 'Add to cart and checkout' feature ensuring a simple and smooth transaction process. - Developing order management and inventory tracking system within the admin panel to help me keep track of orders and product stocks. Skills and Experience Required: - Proficient in PHP programming - Experience in developing e-commerce websites - Solid understanding of databases and SQL - Familiarity with different payment solutions Although there is no specific requirement fo...

I need a skilled developer to integrate an International Payment Gateway into my PHP-based website immediately. Integration of Payment Getway in the website which will accept USD and this should work in Both Indian people and Other Countries. Website URL is - freelancerbridge(dot)com

I am in need of a professional who can promptly install and customize a PHP script for me. The PHP script I need to be installed is purchased through codecanyon. You will install, test all functions and activate license on our server. Being somewhat urgent, my requested completion for this project is ASAP. I value efficiency and swift, quality work. Thank you

We are looking for a skilled WordPress developer with a strong background in creating dynamic and interactive websites. The developer will be responsible for building a feature-rich website that offers fare comparison between major ride-sharing companies, provides valuable content through a blog, and fosters community engagement through a dedicated forum. Skills and Requirements: Proficiency in WordPress development, including theme customization and plugin integration. Experience with HTML, CSS, JavaScript, and PHP. Ability to work with REST APIs to fetch and display real-time fare data from major ride-sharing companies. Knowledge of SEO best practices to ensure the website's visibility and search engine optimization. Familiarity with forum plugins to create a robust a...

I need a robust StarCloud print feature integrated to my website through PHP. I require an expert in PHP who understands how to efficiently generate receipts directly from a website. Key Features Required: - Personalized receipt printing: Upon a successful order, a receipt should be generated for that specific transaction. - Simplified design: The receipt should be simple, uncluttered and easy to read. Please note, only the code is needed, no additional information like payment or customer details should be included. Ideal skills and experience: - PHP proficiency to ensure seamless integration - Familiarity with StarCloud system - Understanding of efficient coding practices for smooth running.

Project Objective: Develop a user-friendly online platform that provides essential PDF and image management tools, akin to established services like Smallpdf and iLovePDF. Target Audience: Individuals and businesses of all technical backgrounds who require efficient manipulation and management of PDF documents and images. Key Requirements: 1. Accessibility: Ensure the website is accessible across all major devices (desktops, tablets, smartphones) and mobile browsers. 2. User Interface (UI): Design an intuitive, visually appealing UI prioritizing ease of use, allowing users to quickly find and utilize desired features. 3. SEO Optimization: Implement best practices to optimize search engine ranking for relevant keywords related to PDF and image management. 4. Google Adsense Approva...

I'm in need of a skilled PHP CodeIgniter Developer to help me debug my existing application. Key Points: - The main goal of this project is to fix bugs within the current application. Therefore, I require someone with a strong background in troubleshooting and debugging. - I'm specifically looking for a developer with extensive experience in PHP CodeIgniter. Therefore, please highlight your experience in this specific framework when you apply. Ideal Candidate: - Proficient in PHP CodeIgniter - Proven experience in debugging applications - Strong problem-solving skills - Excellent attention to detail - Ability to work independently and efficiently Please make sure to include your experience in your proposal. Looking forward to working together.

We are looking for a skilled WordPress developer with a strong background in creating dynamic and interactive websites. The developer will be responsible for building a feature-rich website that offers fare comparison between major ride-sharing companies, provides valuable content through a blog, and fosters community engagement through a dedicated forum. Skills and Requirements: Proficiency in WordPress development, including theme customization and plugin integration. Experience with HTML, CSS, JavaScript, and PHP. Ability to work with REST APIs to fetch and display real-time fare data from major ride-sharing companies. Knowledge of SEO best practices to ensure the website's visibility and search engine optimization. Familiarity with forum plugins to create a robust a...

Good evening, I need help with a Python assignment and I also need programming tutorials in java, Python, mvc, php, Javascript, mysql, jQuery, html, css, asp.net, c#. The tutorials would be in Spanish. I need them as soon as possible.

I'm in need of someone adept at PHP and SOAP. My development site is currently returning a warning message: "Attempt to read property "Invoice_Number" on string." I've set up a dev SOAP server for you to carry out the work. At this point, I'm uncertain if I'm attempting to access the "Invoice_Number" property on a string. There are also no other error messages accompanying this issue. Key tasks: - Identify the cause of the "Invoice_Number" warning - Fix the PHP SOAP warning Ideal skills: - Proficiency in PHP - Experience dealing with SOAP - Ability to troubleshoot and resolve such issues promptly

...to maintain a consistent and user-friendly experience. Qualifications: • Proven experience with WooCommerce development, customization, and optimization, including theme development and plugin integration. • Expertise in advanced SEO techniques and tools, with proficiency in Rank Math SEO (Paid) and Linkwhisper (Paid). • Strong understanding of web technologies such as HTML, CSS, JavaScript, and PHP, with the ability to troubleshoot and resolve technical issues. • Experience with optimizing site speed, engagement, and accessibility to achieve high scores on Google PageSpeed Insights and GTmetrix. • Familiarity with e-commerce platforms and email marketing tools such as Klaviyo for seamless integration and automation. • Excellent problem-solving skill...

...two main tasks, namely fetching data from a remote source and integrating a cryptocurrency payment option into my website. - Data Fetching: The fetched data, which will be in HTML format, should be displayed on a specific page of my site. Your task will be to use CURL to retrieve this content and have it dynamically updated on the website whenever the remote source updates. - Cryptocurrency Payment: I'd also like to have a cryptocurrency payment option incorporated into the site. The checkout should be seamless and intuitive for users, with the ability to complete transactions using popular cryptocurrencies. Ideal candidates for this project should have: - Proficiency in PHP and experience with CURL for data fetching - Prior experience setting up cryptocurr...

urgent php laravel for website and api mobile app development More details: What specific PHP/Laravel tasks do you need assistance with? Fixing bugs in an existing website Could you describe the types of bugs you've been encountering on the existing website? User interface issues, Database related problems, Functional errors in the code Are there any specific pages or features on the website where these bugs occur more frequently? Homepage, Login/Registration, Product pages; Checkout process

I'm looking for a PHP developer to assist in the web development of a web page for a customer I'm working with. The primary focus will be on implementing the ability to display customer raffle ticket numbers from the database to a WordPress page. Current page was rendered obsolete by a plugin update and needs to be rewritten. Ideal Skills and Experience: - Proficient in PHP, with a good understanding of its ecosystems - Experience in web development, particularly with WordPress - Knowledge of database management for websites - Ability to integrate and display data in a clear and user-friendly manner

I'm looking for a skilled web developer to assist in creating an integrated PHP/HTML code for integrating Star Micronics Cloud print. Your responsibilities will include: - Understanding the requirements of the Star Micronics Cloud print - Creating a detailed, clean, and functional code in PHP/HTML - Testing the code to ensure there is a smooth integration Ideal Skills: - Expertise in PHP and HTML - Experience with Star Micronics Cloud print integration - Skill in creating and integrating efficient codes. Please, only apply if you have a strong understanding of Star Micronics Cloud print and the ability to deliver a well-written, effective PHP/HTML code.

...and WPML and PHP. DETAILS: The WP website is multilingue, 3 languages (with WPML) It's a Classifieds ads website When an user post an ad, no matter from what language, need that the ad is automatically duplicated (or visible) from all languages enabled in WPML, so users can see all ads by and from all language’s pages (not need to translate the contents of Listing, ads need to be visible with (already) translated Categories, Subcategories, and Custom Fields. This duplication must be done only after the post is published, liek this it will work too for the ads posted from the APP (sync. with API) Apply for this job ONLY if you are capable of carrying out this project SKILLS REQUIRED: - Strong experience with Wordpress and its themes and WPML AND ...

...Classima theme and WPML and PHP. DETAILS: The WP website is multilingue, 3 languages (with WPML) When an user post an ad, no matter from what language, need that the ad is automatically duplicated (or visible) from all languages enabled in WPML, so users can see all ads by and from all language’s pages (not need to translate the contents of Listing, ads need to be visible with (already) translated Categories, Subcategories, and Custom Fields. This duplication must be done only after the post is published, liek this it will work too for the ads posted from the APP (sync. with API) Apply for this job ONLY if you are capable of carrying out this project SKILLS REQUIRED: - Strong experience with Wordpress and its themes and WPML AND PHP - Ability to work wi...

Due to time and resource constraints, I need to migrate a component written in php (symphony) to Golang. The part on github relating to services towards the DB (MongoDb) and the new REST APIs (written in Golang) to access for interfacing is already active. The system will only have to execute queries on MongoDb (via Service) and render in twig template. The repository layer and service and repository are already developed in golang and will be provided. As well as indications on the function to be translated into golang. GIT access will be via wireguard VPN on the development environment

I'm in need of an experienced PHP developer to significantly enhance and upgrade my existing PHP script. The scope of work involves: - Adding new functionalities: Specifically, I am seeking to integrate payment gateway and app, as well as implement a subscription wallet and automated payments system. A background in financial integration technologies is preferred. - Modifying existing features: Notably, the user profile management feature and data management & reporting functionality need revisions. Experience in generating robust user interfaces and crafting intuitive data management systems will be key. Prospective freelancers should have demonstrated experience with PHP, user interface creation and data management tools. Proven skills in payment gateway...

I am in search of a skilled developer to set up PHP 5.6 and PHP 7.2 on our dedicated server. The server currently runs Plesk and Ubuntu 22.04.4 LTS. I need both PHP versions running on the server, as we have one Magento 1.9 website and one Magento 2.3 website. Key Requirements: - Install PHP 5.6 and PHP 7.2 on our dedicated server running Plesk and Ubuntu 22.04.4 LTS - Set up both PHP versions to be used on different websites - I may require support in configuring the websites to use the specific PHP versions after installation The ideal candidate for this project should have: - Extensive experience working with PHP installations on dedicated servers - Proficient knowledge of Plesk and Ubuntu - The ability to provide...

I'm looking for a skilled developer who can help me customize the Colibrism PHP social network script. Key Requirements: - Experience with PHP and social network development. - Ability to work with Colibrism's source code and make necessary modifications. - Understanding of user profiles, authentication, and social media integration. - Capable of implementing basic social networking features. This project could be an exciting opportunity for someone who is familiar with PHP and social networking development. The ideal candidate should be able to understand the structure of Colibrism and implement modifications to suit my specific needs.

I'm urgently seeking a proficient PHP/MySQL developer to tackle several key tasks for my project. Although I chose to skip specifying the exact functionalities, the developer should anticipate working on tasks such as: Work on 45 pages, each very simple. There are 3 main page features: 1. View table from DB 2. Create new record in that table 3. Edit record in that table Most the pages are the same, just a different table. A few tables have some other functionality but it's all very easy. All html design has been done already, you just have to add some PHP/MySQL code to make the pages work with the database. You also need to create the DB, table and records. Though most have been created already. You would need to double check them though. I also need the ...

My Client is looking for an experienced Full Stack PHP CI4 and Laravel developer to join our dynamic project team. Our project involves comprehensive backend development, efficient API integration, intricate database management, and crafting a frontend with a customizable layout that stands the test of user experience. **Key Responsibilities:** - **Backend Development:** Implement robust functional logic ensuring seamless data processing and workflows. - **API Integration:** Efficiently connect our platform with necessary external services and APIs for enhanced features. - **Database Management:** - **Data Migration:** Safely transition existing data resources to our new system without loss. - **Performance Optimization:** Continuously monitor and tweak the database performa...