Harshit Omar

Architected and delivered a distributed management platform using Spring Boot microservices, each with isolated MySQL databases and REST APIs; enabled independent scalability and zero-downtime deployments, achieving 99.8% system uptime. Designed and integrated Apache Kafka–based event-driven architecture, enabling asynchronous communication between services; eliminated synchronous inter-service calls, improving system scalability and reducing end-to-end latency by 30%. Secured all microservices using Spring Security with JWT authentication (HMAC-SHA256); implemented stateless authentication with role-based access control, eliminating session dependency and reducing authentication overhead by 40%.

Consulting Analyst at Deloitte USI (2023-09 – Present)

• Architected and delivered a distributed management platform using Spring Boot microservices, each with isolated MySQL databases and REST APIs; enabled independent scalability and zero-downtime deployments, achieving 99.8% system uptime.
• Designed and integrated Apache Kafka–based event-driven architecture, enabling asynchronous communication between services; eliminated synchronous inter-service calls, improving system scalability and reducing end-to-end latency by 30%.
• Secured all microservices using Spring Security with JWT authentication (HMAC-SHA256); implemented stateless authentication with role-based access control, eliminating session dependency and reducing authentication overhead by 40%.
• Engineered optimistic locking using JPA (@Version) with retry mechanism (3 attempts, exponential backoff), preventing overselling during high concurrency scenarios; validated through load testing with 20+ concurrent users achieving zero race conditions.
• Implemented SAGA orchestration pattern for distributed transaction management across 5 services; ensured 100% data consistency with automatic rollback and zero partial failure states.
• Optimized Elasticsearch indexing and shard allocation strategies, reducing search query latency from 1.2s to 350ms (70% improvement) and improving overall system responsiveness for high-volume queries.
• Integrated Swagger(SpringDoc OpenAPI) across services, documenting 35+ APIs with detailed annotations and enabling interactive API testing with JWT; improved developer onboarding and API testing efficiency by 50%.
• Developed comprehensive test suites using JUnit 5 and Mockito, including unit, integration, and concurrency tests; achieved 95% code coverage.
• Technology: Java, Spring Boot, Spring Security, Kafka, JPA/Hibernate, MySQL, Elasticsearch, JUnit 5, Mockito

Master of Computer Applications in Computer Applications – National Institute of Technology, Tiruchirappalli (2020-01 – 2023-12)

Bachelor of Computer Applications in Computer Applications – CSJM University, Kanpur (2017-01 – 2020-12)