• Working as senior software engineer for proof of concept (POC) implementations and technical consultant for internal development.• Consultant for CRM-Middleware-OCS engagement for the biggest GSM operator in Indonesia.• Performed POC for CDR browser application for one of GSM Operator in Indonesia.• Consultant to provided enterprise document of billing system for one of GSM operator in Indonesia.

• Enhancement reporting, dashboard & analytics using Oracle BI in DWH project expansion for one of CDMA operator in Indonesia• Technical Team Lead for VAS SMS based application Implementation in one of the biggest GSM Operator in Indonesia• Develop reporting, dashboard & analytics using Oracle BI in DWH project for one of CDMA operator in Indonesia• Design & Develop VAS SMS based application• Develop & Test for R&D project such as Oracle Service Delivery Platform, In-memory Database (McObject), DWH E2E, Hadoop and Storm

Liaised with clients to prepare schedule of testing, Performed test on various modules: Mediation, Provisioning, Rating and Bill format/reporting, Escalated of technical issues, Communication and follow-up on technical Issues, Provided progress report to supervisor

• As primary contact and played key role for product problems and queries. • Tracking all queries on call tracking system (JIRA) and working on production tickets with goal to meet 100% SLA.• Problem analyze / diagnose including debugging and problem resolution.• Liaised with engineer (services, product team, DBA, Sys Admin, 3rd party vendor and manage services) to identified fixes and workaround for client issues.• Provided regular updates to customer (daily, weekly) and successfully manage client expectations in line with SLAs.• Communication, managed and follow-up on technical Issues.• Design, prepare, managed and reviews deployment procedure of product patch, BAU and issue resolution.

Business rule scripted use DSD a like TCL language, Designed & configured rating (NER), Performed mediation E2E testing, Configured use case for UAT preparation, Developed oracle procedure used PL/SQL
, Performed system integration test (SIT) & user acceptance test (UAT), Problem diagnosis included debugging, Communicated and follow-up on technical issues, Escalated of technical issues and liaising with services engineering to identify fixes and workaround for client issues

Develop Enterprise Resources Planning System application use J2EE