Few of the areas I have worked in past are  :

                        Big Data                                                     Analytics                             Data Warehouse

              ATM Cloud-era data lake                            ATM Cash Forecasting                   Telecom EDW

              Big Data as a Service                                   Real Time Cross Selling                 Banking DWH

              Fintech Azure Data Lake                             Face Recognition                            Retail EDW

              Banking Fast Data Platform                        Loan Defaulter                              

It is exciting to work on various big data and analytics area with End to End solution on Big Data.