Architecting telecom billing systems and leading full-stack product delivery across Java, Swift, and JavaScript. Designing cloud-native platforms for BSS/OSS modernization, managing technical strategy, and delivering PMP-certified project leadership. Currently mentoring 3 junior developers on system design best practices.

Completed intensive Full Stack .NET Cloud Developer Program focusing on enterprise architecture patterns. Designed and developed Human Resource Management System and CRM solutions using multi-layered architecture (Repository, POCOs, Business Logic, API, UI layers). Implemented job search portal connecting job seekers and recruiters on unified platform. Architected CRUD operations using ADO.NET with C# data classes, Entity Framework ORM, and LINQ queries for data access. Built REST Web APIs for backend services and Angular-based UI components. Proficient in MS SQL Server database design, MVC pattern implementation, and version control with Git/Sharepoint.

Led charge control module architecture for global telecom operators across APAC and EMEA regions. Designed product catalog systems handling 10M+ subscribers, optimized real-time charging engine to <50ms latency for billions of daily transactions, and mentored team of 8 engineers on microservices design patterns. Achieved 40% performance improvement through Redis caching strategies.

Delivered end-to-end OSS/BSS integrations for enterprise telecom customers (20+ deployments). Managed zero-downtime migrations of legacy billing systems to cloud infrastructure, designed customer portal architectures supporting 5M+ concurrent users, and led technical workshops on modern service delivery patterns for 200+ partners.

Built foundation in telecommunications systems and full-stack development. Contributed to REST API design, gained hands-on experience with Java/Spring stack, completed PMP certification, and participated in agile transformation initiatives across 3 product teams.