Summary
Overview
Work History
Education
Skills
Timeline
Generic

Dyan Sari

Payment Operation Analyst
Tallinn

Summary

Proactive and goal-oriented professional with excellent time management and problem-solving skills. Known for reliability and adaptability, with swift capacity to learn and apply new skills. Committed to leveraging these qualities to drive team success and contribute to organizational growth.

Overview

20
20
years of professional experience
3
3
years of post-secondary education

Work History

Payment Operation Analyst

Microsoft Development Center Estonia
11.2012 - Current
  • Utilize SQL, Power BI, and KQL to monitor, investigate, and maintain payment transaction performance based on standardized KPIs or other agreed metrics. Various improvement results, e.g. Credit cards routing fixes to high-performing merchant entity increases ~5% in payment authorization.
  • Reconciliation (order-to-payments and order-to-settlements) process and take corrective actions based on the results, which helps the Finance team match their bookkeeping balance.
  • Set up performance and incident monitoring dashboards for internal and cross-team collaboration products with the engineering team, leading to finding issues and taking corrective action faster.
  • Analyzed data trends for informed decision-making, leading to cost savings and improved performance, e.g. Collaborate with the Fraud Ops team by implementing 3DS toggle and Hostile BIN block for a portion set of credit/debit card BIN, resulting in a reduced decline and chargeback rate.
  • Provides data analysis to proof of concept hypothesis from payment industry best practices, e.g. Dynamic 0/1 authorization charge improves 15% acceptance rate, also learning result from Address Verification Service implementation analysis that only bumps 1-2% authorization rate.
  • Handling customer complaints for payment issues, or reported bugs which require additional data verification impact for engineering fixes.
  • Leading product and partner manager for Skype Vouchers or gift card and partner reseller platform.

Reconciliation and Billing Analyst

PT. Telekomunikasi Indonesia, Tbk
04.2004 - 04.2010
  • Billing data reconciliation between 3 different internal databases and external (partner content provider) resources, leads to time improvement of monthly settlement completion report to 1 day compare to previous 5 days for total 85 companies.
  • Pre-processing data input for KPI input and reconciliation process.
  • Engineered standard operating procedure for internal and external reconciliation, resulting to more precise outcome and measurable reporting time.
  • Handling complaints related to revenue share calculation from content provider and platform owner.
  • Delivers revenue share reporting to 85 content provider companies and platform owner on a bi-weekly and monthly basis.
  • Provide ad-hoc analysis (SQL base query) for planning and business convergence, stakeholder.

Education

Master of Science - Cyber Security

Tallinn University of Technology
Tallinn
02.2011 - 02.2014

Skills

  • SQL

  • Power BI

  • KQL

  • Python (Beginner)

  • Fabric Lakehouse

  • Azure Data Factory

Timeline

Payment Operation Analyst

Microsoft Development Center Estonia
11.2012 - Current

Master of Science - Cyber Security

Tallinn University of Technology
02.2011 - 02.2014

Reconciliation and Billing Analyst

PT. Telekomunikasi Indonesia, Tbk
04.2004 - 04.2010
Dyan SariPayment Operation Analyst