Security Infrastructure

• Migrated legacy Node.js monolith into Kotlin-based microservices with improved scalability and maintainability.

• Designed service migration architecture with zero customer downtime and telemetry-driven rollout monitoring.

• Built customer-facing tenant-screening product integrated with secure APIs, improving processing time and reliability.

• Designed and implemented real-time ACH transaction processing, replacing batch settlement and cutting latency from 1–2 days to seconds.

• Led a project to optimize Visa settlement workflows, reducing DB I/O and achieving 33% runtime reduction.

• Led migration from on-premise to AWS, re-architecting legacy C systems into scalable Python services.

• Mentored engineers on cloud design patterns, reliability practices, and monitoring strategies.

• Delivered large-scale distributed compute services handling terabytes of data daily across AWS.

• Reduced lock contention by 90% using a bin-packing optimization algorithm, improving throughput.

• Built EC2 host idling detection system, releasing unused resources and saving operational costs.

• Consolidated 130+ data pipeline tasks into 90 optimized workflows, boosting maintainability.

• Introduced Spark caching strategy reducing job runtime by 84%, enhancing performance and stability.

Tutoring undergrad students for Math, Stat, Java, C++