Hadassa Jupudi
Telecom Mediation Developer
About
Telecom Mediation Developer with 3+ years in mediation workflow design, CDR processing, and billing system integration. Proficient in SQL, Unix/Linux, Core Java, Spring Boot, Git, and CI/CD. Experienced in Telecom Billing/BSS processes, production deployments, L3 support, and stakeholder coordination with billing, CRM, and charging teams.
Skills & Expertise (24)
Work Experience
Associate Software Engineer
Torry Harris Integrated Solutions
Nov 2022 - Present
Developed mediation workflows to process CDRs for MO, MT, and A2P flows, routing to downstream billing systems. Adapted mediation transformations for Three UK–Vodafone merger, improving data processing efficiency by 20%. Achieved 95% test coverage on VLN scenarios. Provided L3 production support for mediation job failures. Mentored junior members, reducing defects by 15%. Developed CGDC scripting logic to parse Ericsson CGW XML-based CDRs and transform into billing-compatible flat formats with field-level validation and usage classification (Data/Voice). Built aggregation/filtration logic eliminating duplicate CDRs; coordinated with charging and billing teams for integration validation and production deployment. Redesigned reference tables with IMSI range-based lookup for Vendor-ID, BAN-ID, and MVNO Discriminator derivation in multi-tenant mediation. Modified multi-stage mediation flows and built reusable lookup functions, enabling scalable MVNO onboarding with improved billing accuracy. Enhanced trailer record generation with summary metrics (records, voice duration, data volume, SMS/MMS) for Snowflake downstream analytics. Implemented millisecond precision in START_DATE_TIME for Voice CDRs (VoLTE, VToW) achieving regulatory compliance with zero production rejection. Designed multi-level sorting (MSISDN, IMSI, Activation Date) with retention rules and reconciliation logs for legacy subscriber data migration into mediation reference tables.
Education
BTech in EEE - MIC College of Technology
2018 - 2022 · Afghanistan
Pre-University (MPC)
2016 - 2018 · Afghanistan
High School - Sri Chaitanya High School
2015 - 2016 · Afghanistan
Certifications
Java
Naresh IT · 2022
I have done my java certification at naresh technologies
Sql
Naresh IT · 2022
I have done my SQL certification at naresh technologies
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