Tayyab E.

Senior Software Engineer

Emumba Pvt Ltd • Fulltime

Oct 2021 - Present • 4 yrs 11 mos

- Designed and developed microservices architecture in Java Spring Boot and Golang, forming the backbone of an enterprise-grade AAA (Authentication, Authorization, Accounting) platform. - Extended FreeRADIUS with custom authentication modules, enabling support for multiple authentication types and enterprise security policies. - Built and managed certificate lifecycle management integrated with HashiCorp Enterprise Vault, covering issuance, renewal, and revocation. - Implemented RADSEC proxy services for secure, distributed, on-premise authentication deployments. - Engineered real-time data pipelines with Kafka and Debezium, improving event-driven processing and audit visibility. - Optimized system performance with Redis caching, PostgreSQL modeling, and Elasticsearch for search and monitoring use cases.