Having extensively worked with API and backend development, I possess the skill set necessary to smoothly connect your Matrix server with the IOTA Digital Identity management system for a secure authentication process. My in-depth understanding of how to leverage Flutter will be beneficial in updating the app to adapt to this new authentication mechanism. Rest assured, as a seasoned software engineer versed in languages like Java, Python, and JavaScript, I am more than comfortable executing the project.
My rich knowledge in cybersecurity perfectly aligns with your project requirements. I follow a stringent code of security conduct that emphasizes proactive approaches such as vulnerability assessments; which will ensure your application's safety.
However, let's talk about budget. Although I appreciate your set budget, given the complexity and importance of the task at hand, $25 is significantly under-priced. Nonetheless, I understand every situation is different and I'm willing to find a fair agreement. Let's not waste our time but instead focus it on creating an amazing digital solution for you!