HLD / LLD Design Execution: Convert high‑level architecture into detailed LLD artifacts, including integration flows, sequence diagrams, interface specifications and data mappings. Ensure clarity for development and testing teams.
Integration Design & Delivery: Design and document API integrations (REST/SOAP), system‑to‑system data flows, event‑driven or batch integration patterns. Support integration across telecom systems such as CRM/Order Management, Billing/Usage systems, OSS/Inventory platforms.
Telecom Domain Application: Work across one or more areas such as wireless usage / CDR / billing flows. Apply understanding of OSS/BSS interactions and end‑to‑end service lifecycle (order, usage, billing). Define and document error handling & retry mechanisms, data validation & reco...