I'm a Google certified Associate Android Developer (AAD). Having 5+ years of experience in enterprise-level Android development (Java/Kotlin). Along with that, i've expertise in all mainstream 3rd party APIs and services integration as well as apps monetization and optimization. You'll get your job done perfectly. Have look at my portfolio and reviews.
P.S i have completed several projects with OpenCV's java port for Android, so it'll be easy for me ;)