MUHAMMAD WAHEED TAHIR

- Architected distributed backend systems handling millions of requests using Java Spring Boot, Kubernetes, and Apache Kafka for event-driven architecture supporting 100K+ concurrent users - Designed microservices-based platform serving multiple product lines, reducing system latency by 35% and improving throughput by 40% through service decomposition and intelligent caching - Led AI/LLM integration initiatives embedding multiple large language models (GPT-4, Claude, Gemini) into enterprise backend systems for AI-driven product features - Engineered scalable system integrations connecting legacy enterprise systems with modern cloud-native services using event-driven patterns and asynchronous processing - Modernized CI/CD pipelines using GitHub Actions and Kubernetes, reducing deployment time from hours to minutes and enabling 10+ daily releases - Optimized AWS cloud infrastructure, reducing operational costs by 25% while improving system availability and disaster recovery capabilities - Mentored junior engineers on system design, microservices patterns, and cloud-native best practices, establishing technical standards for backend development

- Developed secure fintech backend services using Java Spring Boot and Oracle, supporting 50,000+ active traders in Pakistan Stock Exchange ecosystem - Implemented WebSocket real-time communication infrastructure enabling live market data streaming with <100ms latency - Engineered secure payment gateway integrations with regulatory compliance, processing 10,000+ daily transactions at 99.99% success rate - Integrated third-party APIs (NCCPL account management, Zong SMS Gateway) enabling real-time notifications with zero data loss - Implemented JWT-based stateless authentication supporting 100,000+ concurrent sessions with robust authorization controls - Designed microservices architecture for financial systems, improving modularity and enabling independent service deployment - Collaborated with product and compliance teams translating business requirements into technical specifications ensuring regulatory adherence