Looking for an expert on RSA Modulo Decomposition

I am looking for an experienced and knowledgeable expert who is able to provide code development and implementation that specifically relates to RSA modulo decomposition. I have specific criteria in mind and thus require an individual with a deep understanding of the subject. Although the programming language is unspecified, the code should be of high-quality and fulfill the needs of the project. The right candidate will produce an effective and efficient solution that meets my expectations.