Required Skills: HLD LLD Design Execution Integration Design & Delivery Telecom Domain Application Application Integration Architecture System Integration, SI architecture or design HLD to LLD conversion and technical design documentation Hands-on with: APIs (REST, SOAP), microservices Integration patterns (event-driven, batch, synchronous, asynchronous) Telecom Experience Experience in telecom OSS, BSS environments Exposure to at least one area: Wireless usage, billing (CDR, rating), inventory, provisioning systems HLD LLD Design Execution: Convert high-level architecture into detailed LLD artifacts Integration flows Sequence diagrams Interface specifications and data mappings Ensure clarity for development and testing teams Integration Design & Delivery; must 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, Us...