HashedIn By Deloitte
Jan 2020 - Present
Overview
At HashedIn by Deloitte, I worked on mission-critical backend systems for Citi Bank’s trading and settlement platforms. The environment demanded high reliability, performance, and scalability, with a focus on real-time processing of millions of financial transactions daily.
My Role
As an SDE II, I played a key role in designing and developing resilient microservices and event-driven architectures. I contributed to core components of the trading platform, built Kafka-based ingestion pipelines, and mentored junior engineers to ensure engineering excellence across the team.
Skills Acquired
Advanced Kafka concepts: manual offset commits, dead-letter queues, exponential backoff strategies
Real-time data pipelines using Kafka + Elasticsearch
Microservices architecture with robust fault-tolerance patterns (ACK/NACK mechanisms)
Team leadership, code review best practices, and productivity optimization
Impact
Achieved 99.9% message reliability and reduced failure recovery time by 60% through ACK/NACK implementation
Reduced message loss by 95% and improved resilience by 40% by customizing Kafka retry and DLT handling
Enabled real-time analytics and UI data access by processing 1M+ daily events via Kafka-Elasticsearch integration
Improved overall code quality and team productivity by 25% through mentorship and consistent code review practices