Software Engineer

• Jan 2019 - Present

Software Engineer

• 2010 - 2015

As a software engineer in the billing project for the biggest national telecom provider in Iran: - Designed and developed the invoicing engine and integrated it with Comarch's Billing System; designed invoicing database in Oracle and developed the engine in PL/SQL - Performed migration of old billing systems to the new consolidated one; developed processes for data cleansing, standardization and enrichment - Monitored and maintained consumption of streamed data files from 100+ backbone telecom switches for billing - Wrote complex data queries to answer business questions in addition to ensuring data quality and integrity - Performed requirements analysis of billing system in order to consolidate any combination of services onto a single bill for all contracting parties - Customized and implemented Comarch Interpartner Billing System as a certified implementer of Comarch Company (a large multinational with offices in Canada) - Actively involved in optimization of SQL and PL/SQL code as well as system design to handle about 30 million call data records per day - Developed required APIs to integrate billing system with CRM and accounting systems Show less

Business Intelligence Developer/Data Analyst

• 2008 - 2010

- Studied data sources; performed data profiling and data quality assessment - Designed and developed data warehouse in Oracle Warehouse Builder - Identified and analyzed trends and patterns in data - Designed enterprise reports to be implemented in Oracle Business Intelligence to assess resellers' performance

Database Developer

• 2006 - 2008

In integration and cleansing project of CRM system for a provincial telecom company with 6 million customers developed an efficient workflow and a toolset of data cleansing and conversion in order to discover and solve discrepancies-both in structure and data. It led to consolidation of 180 regional CRM databases

Software Developer

• Aug 2004 - Jun 2006

• Designed payroll subsystem as part of an ERP system using Oracle database and Rational Suite • Developed payroll subsystem in an ERP framework in Java • Designed payroll subsystem as part of an ERP system using Oracle database and Rational Suite • Developed payroll subsystem in an ERP framework in Java

Software Developer

• Apr 2002 - Aug 2004

In pilot project of Switch Management Network as a member of 3-people team: • Designed and developed database of switch traffic analysis subsystem using RUP framework and Oracle • Developed switch traffic analysis subsystem using Java and J2EE platform In pilot project of Switch Management Network as a member of 3-people team: • Designed and developed database of switch traffic analysis subsystem using RUP framework and Oracle • Developed switch traffic analysis subsystem using Java and J2EE platform