Kritik Sharma Email & Phone Number

Mumbai, Mh, In

Gurugram, Haryana, India

• Engineering Real-Time Event Processing Architecture: Designed and implemented a real-time event processing system that streams and processes events triggered from both web and mobile applications. Structured data storage for targeted customer retargeting, significantly enhancing onboarding and retention rates.• Engineered and Migrated Pricing Logic: Consolidated pricing and nudging logic from multiple services into a single service, reducing development time and establishing a single source of truth for pricing.• Migrated WFMS Service: Transitioned the Workflow Management System (WFMS) from AWS Elastic Beanstalk to Amazon Kubernetes Service (AKS), enhancing scalability and reliability.• Implemented Archival Flow for Javers Data: Designed and deployed an archival process using AWS Lambda and S3 for cold storage, improving data retention and compliance.• Transitioned to Event-Based Schedulers: Migrated multiple recurring schedulers to event-based execution, reducing task overlaps and simplifying overhead maintenance.• Implemented Delayed Scheduling with Quartz: Utilized Quartz with PostgreSQL for persistent storage to enable delayed notifications, improving user engagement by sending reminders after a 30-minute delay.

Gurugram, Haryana, India

• Upgraded Critical Services: Upgraded Ordering, Payments, and ACP services from Apache Kafka version 0.10 to Confluent Kafka version 7.4.0 with minimal downtime.• Optimized Communication Services: Overhauled Shannon service, reducing infrastructure costs by 3.2 LPA and dependency on Quartz.• Led PCI-Compliant Migration: Successfully migrated PCI-compliant services from AWS to Azure, achieving zero cloud costs for four years and securing encrypted card data.• Developed Bulk Card Charging Solution: Engineered a robust solution for bulk card charging and real-time report generation, saving over $5k per year in commissions.• Spearheaded Cloud Migration: Transitioned all Ordering services from AWS to Azure, mitigating challenges within Azure-hosted Redis infrastructure, resulting in 75% cost savings.• Designed Asynchronous Processing System: Implemented a Bookkeeper system based on Spring MVC for asynchronous processing of billing logic, reducing latency by 30%.• Built Fulfillment Service: Developed a Fulfillment service with an orchestration engine, optimizing latency for Create/Update Booking APIs by approximately 50%.

Gurgaon, Haryana, India

• Developed Gateway Service: Created a Gateway Service using Spring Cloud Gateway, implementing rate limiting and single client authentication, reducing redundant authentication by 80%.• Engineered Cloud Service Migration: Managed the seamless migration of cloud services from a China-specific use case to a globally hosted business use case, ensuring zero downtime.• Enhanced User Experience: Implemented multiple customer-facing features, coordinating with teams to improve booking conversion and increasing daily active users by 20%.• Optimized API Performance: Achieved a 60% reduction in latency by migrating APIs from Ruby to Java microservices.• Automated Reconciliation Processes: Automated Ruby scripts, saving 2-4 man-days per month during the reconciliation process.• Reduced Staging Environment Costs: Troubleshot and optimized the staging environment, reducing costs by 50%.

India

Leadership and Management:• Led the Students' Gymkhana, organizing events and initiatives to enhance student life and engagement on campus.