I need andriod Devloper for Modify and resolve the error

Dear sir I Have CRM Bassed Andriod Tele Agent App And Backed I need to Change Backend 1. Need Modify Report Section Page 2. Campaign Management Page 3. Properly Link with app and Check working or Not Need To Change Like THis Admin Changes 1. Campaign Management 1.1 Add New Campaign 1.2 Import Data In Campaign 1.3 Export Data Form Campaign 1.4 Transfer Data/ Campaign (as Per Reference Website need to Give As it is [login to view URL] ) 2. Report Page 2.1 Tele caller Performance Statics 2.2 All Prospect Details Report 2.3 Campaign Wise Statics Report 2.4 Date Wise Call Statics Report 2.5 Staff Wise Statics Report 2.6 Follow-up Report 3. Templet Setting 3.1 WhatsApp Message Template 3.2 Remark Templet 3.3 Dispassion 4. Dashboard as Per Reference Website need to Give As it is [login to view URL] Mobile APK 1. Please Check Call Duration Counting 2. Power Mod Not Working Please Check that ( Power Mode Means automatically Dial without Entering Dispassion One By One no need to Click Next Call) 3. Remove Next Call Button If I Click Save Feed Back button Call going Next Call type I need 4. I need Only 3 Buton 1. Redial ,DND & Save & Next Call Need To Check and Work Properly If have any Bugs Clear that [login to view URL]