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krtksharma/README.md

💫 About Me

Software Engineer | Backend & Distributed Systems Specialist 🚀

Hi there 👋 I'm Kartik Sharma. I specialize in engineering high-concurrency, mission-critical banking systems. Currently, I drive technical excellence at Cognizant, focusing on enterprise-scale loan lifecycle platforms for ANZ Bank.

  • 🔧 Core Focus: Distributed Microservices, Transactional Consistency, & Cloud-Native Scaling.
  • 💡 Current Stack: Java 17, Spring Boot, Spring Batch, and React.
  • 🚀 Mission: Optimizing P95 latencies and building fault-tolerant architectures that handle thousands of daily transactions.

🧑‍💻 Professional Experience

Software Engineer (Java Full Stack) | Cognizant — ANZ Banking Group

Sep 2024 – Present

  • Architected scalable REST APIs in Java 17 and Spring Boot for a high-volume loan platform with zero downtime.
  • Engineered a state-machine workflow engine to ensure transactional consistency across distributed services.
  • Automated bulk data processing by building a Spring Batch ingestion service, eliminating manual bottlenecks.
  • Reduced P95 API latency by 20% through targeted service-layer refactoring and DB schema optimization.

Software Engineer Trainee | Paytm Payments Bank

Oct 2023 – Dec 2023

  • Contributed to the UPI Switch payment system, building core processing and validation services.
  • Maintained 85%+ unit test coverage and resolved production issues using Kibana log analysis.

🛠️ Technical Blueprint

Category Stack
Backend Java 17/11, Spring Boot, Spring Batch, Hibernate/JPA, Microservices
Frontend React 18, Tailwind CSS, Framer Motion, JavaScript (ES6+)
Cloud & DevOps AWS (EC2, RDS, SES), Azure, GitHub Actions, Docker
Observability Splunk, Kibana, SonarQube
Testing JUnit 5, TestNG, Jest, Postman
Architecture Event-Driven, State Machines, SOLID, Design Patterns

🚀 Key Project: BugTrackr

Full-Stack Defect Management System | Java 17, Spring Boot 3, React 18, Azure

  • Shipped a production-deployed RBAC platform with a custom drag-and-drop Kanban board.
  • Implemented JWT stateless authentication and an immutable DB-backed audit trail.
  • Configured CI/CD pipelines for zero-downtime rollouts to Azure App Services on push to main.

📊 GitHub Stats:



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