Deepa Kasi Nathan
Software Development Engineer Ii @Grubhub
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WORK HISTORY
Software Development Engineer Ii @Grubhub
Chicago, IL, US
Implemented gift card third-party integration, enabling users to redeem, reload, and participate in promotional campaigns via gift cards.Developed high-traffic RESTful APIs processing 2K transactions per minute while ensuring scalability and performance. Optimized messaging and event-based architecture using Kafka and AWS SQS, ensuring efficient and reliable message processing. Utilized Protobuf for efficient data serialization in microservices communication.Migration and port code base from Ruby to Java: Streamlined loyalty programs for both enterprise and Small Business (SMB) services, overseeing the migration of data to unified platforms by decommissioning, and refactoring of intermediate services which resulted in a 60% improvement in latency.Built an Enterprise subscription feature that can be integrated by other enterprise restaurants in their application to enhance customer loyalty and retention.Implemented logging, monitoring, and automation using Splunk, Datadog dashboards, Spinnaker, Job schedulers, and Jenkins, improving system observability and reducing downtime.
EDUCATION
Indiana University Bloomington
Master's degree, Computer Science
Panimalar Institute Of Technology
Bachelor’s Degree, Information Technology
SKILLS
ABOUT DEEPA KASI NATHAN
I’m a backend-focused Software Engineer with 7+ years of experience building scalable, resilient systems across high-growth tech environments. I specialize in designing high-traffic APIs and event-driven microservices using Java, Spring Boot, Ruby on Rails, Kafka, AWS, and PostgreSQL. Currently at Grubhub, I’ve led critical efforts such as migrating loyalty systems from Ruby to Java—improving latency by 60%—and implementing fault-tolerant architectures with Kafka and SQS for 2K+ transactions per minute.I thrive in complex, distributed systems and enjoy solving tough infrastructure and data challenges. My work has spanned industries like food tech, fintech, and enterprise SaaS, consistently delivering impact through performance optimization, automation, and system reliability. Whether it’s reducing on-call load to zero or enabling seamless gift card integrations, I take pride in building things that just work—at scale.Open to opportunities that push technical boundaries, promote growth, and allow me to contribute to meaningful product experiences.Seeking Software Engineer II, Software Development Engineer II, Senior Software Engineer positions.
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