As a seasoned computer systems analyst with over eight years of experience, my proficiency in a wide range of programming languages and technologies is directly aligned with the project you're proposing. Notably, I have extensive skill in HTML, CSS, JavaScript, and PHP - fundamental languages needed for your project. My experience with server cloning is well-documented and I have successfully completed many projects involving the customization of scripts and functionalities.
On the platformside, I am well-versed in Fivem Qbcore and have a deep understanding of its capabilities -- a crucial skillset considering your preference for this platform. My embrace of Laravel, NodeJS, Bootstrap among others demonstrates my adaptability and continual desire to bring unique features to my projects; it excites me that you're seeking to add layers such as customizable user profiles, transaction history tracking and integrated messaging system.
Furthermore, my exceptional skills in system documentation using UML make me particularly adept at mapping out existing systems and revamping them with new features without clashing with pre-existing functionality. Overall, I believe my technical prowess, commitment to maintaining open lines of communication and my enthusiasm in bringing client visions to life makes for a perfect fit for your project. Let's build a game-changing QBcore server clone together. Can't wait!