★ Ritesh Bamola

High-throughput log ingestion pipeline using gRPC and Kafka for real-time distributed log processing. Batch Elasticsearch indexing cut latency from 21s → 1.6s for 500 logs. Concurrent Kafka consumers achieved 0.75s processing time.

Custom Change Data Capture system streaming PostgreSQL WAL changes to Kafka with manual LSN tracking and at-least-once delivery guarantees.

Orchestrates multi-service transactions using compensation logic, persistent saga state, and reliable event-driven coordination across microservices.

Redis Streams-based notification processor with consumer groups, exponential backoff retries, DLQ handling, and idempotent processing with SET NX deduplication.

Cloud-native upload service using AWS S3 pre-signed URLs & multipart uploads — supports files up to 5GB. Reduced backend bandwidth by 70% by offloading transfers directly to S3. JWT auth via Spring Security.

Browser-based collaborative coding platform with real-time syncing, containerized code execution, and isolated runtime environments.

Full-stack expense tracking system with categorized analytics, authentication, and secure data persistence.

AI-powered conversational assistant built using Gemini API with context handling and streaming responses.