Immutable databases and Saas Cloud / Blockchain Ledger

As a mobile app user, I'm looking for an immutable database to store my data securely and reliably. I have already identified an existing secure back-end service to help me leverage the best security for my data and application. I'm looking for a project that can help me leverage the immutable database and Saas cloud / Block-Chain ledger so that I can ensure my data is secure and protected. I will need help setting up the database and integrating it with the back-end system to ensure that everything is secure and running properly. I need a team of highly skilled professionals who are familiar with immutable databases and cloud/Blockchain ledger technologies to build and execute this project. If you think you have the expertise and skillset to help me with this project, I invite you to contact me so we can discuss the project further.