Sam Callaway

Experience

• 

  Newbury Investments Ltd

  Feb 2015 - Sept 2017

  Credit Controller

  Independently assessing, approving and setting up new credit accounts Liaising with branch locations on credit mattersManaging ledgers for branches, working on cash allocation, solving queries and dealing with late payments.

• 

  Vodafone

  Jun 2018 - Sept 2023

  • Using SQL queries and Excel to provide BAU and ad-hoc reporting to various stakeholders• Wrote Python scripts to assist with cleaning large tables of customers and billing lines• Liaising with sales managers on the allocation of customers to salespeople• Responding to tickets raised by Sales• Ensuring our database, billing systems and Salesforce were aligned correctly Monitoring and reporting on Vodafone UK Interconnect and Roaming usageManaging payments and receivables to/from other networksEnsuring correct accounting of Interconnect and Roaming costs and revenue Monitoring and reporting on Charge to Bill , Premium SMS and other Content usageManaging revenue share payments to third party partnersEnsuring correct accounting of Content and Roaming costs and revenue

  • Base Segmentation Analyst

    Nov 2021 - Sept 2023

  • Interconnect and Roaming Accountant

    Sept 2020 - Nov 2021

  • Revenue Accounting Analyst

    Jun 2018 - Sept 2020
• 

  Rockpool Digital

  Feb 2024 - now

  Junior Data Engineer