fahd tahir

High-Level Design: "Architected and led the development of scalable backend systems using Spring Boot and Microservices, ensuring high availability and fault tolerance."

System Optimization: "Directed performance tuning initiatives, optimizing Java memory management and PostgreSQL indexing to handle enterprise-level traffic."

Mentorship & Quality: "Established coding standards and conducted deep

Architected and implemented a multi-level rate-limiting system using Apache Kafka to prevent external API throttling, ensuring stable OAuth2 authentication flows across high-traffic digital lending platforms.

Integrated Redis caching with Spring Cache to minimize database hits on frequently accessed endpoints, improving average API response time by ~30%. Implemented server-side pagination and so

Led end-to-end delivery of key product features — from client requirement discussions and system design to development, testing, deployment, and production sign-off.

Enhanced backend performance through PostgreSQL query optimization, database indexing, and strategic code refactoring, reducing query latency across critical endpoints. Applied asynchronous processing using Spring @Async for non-blo

Delivered custom Android features against tight deadlines in a fast-paced, client-facing environment and wrote unit tests covering edge cases and general reliability ahead of releases.

Refactored legacy Android code into MVVM with Kotlin Coroutines, improving app performance and code quality. Trained 100+ students on Android development, aligning their skills with current tech-market job requirements. Selected from a competitive PSDF applicant pool for this sponsored teaching placement.