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Karan Sahani

@karansahani

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Java backend engineer who cut API latency by 30% at Stakrid Logistics and published a Spring Boot code generator.

Nepal

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At Stakrid Logistics Pvt. Ltd., I built and maintained Spring Boot REST APIs and applied Redis caching and JPA optimizations that cut average API latency by 30%. I also worked on an asynchronous service layer and maintained test coverage above 90%.

At National Innovation Center (NIC), Nepal, I contributed to a healthcare data migration for OpenMRS/Bahmni, validating and resolving data integrity issues across patient and clinical records. I also investigated production issues across REST APIs, Docker containers, and Apache Tomcat logs.

I published a backend development automation and code generator IntelliJ plugin, which has more than 1,700 downloads and a 4.5/5 rating. My projects include a tool-calling, RAG-based AI agent and an event-driven video streaming backend.

Experience

Work history, roles, and key accomplishments

Java Backend Developer

National Innovation Center

Jun 2026 - Jul 2026 (1 month)

Contributed to a production-scale healthcare data migration, validating and resolving data integrity issues across approximately 73,000 patient records and 8.5M+ clinical data records. Performed large-scale data validation and reconciliation using advanced MySQL queries and investigated production issues across REST APIs, Docker containers, and Apache Tomcat logs.

MySQL Data Validation Data Reconciliation REST APIs Docker Apache Tomcat OpenMRS Bahmni

Software Development Engineer Intern

Stakrid Logistics Pvt. Ltd.

Aug 2025 - Oct 2025 (2 months)

Built and maintained Spring Boot 3 REST APIs serving 1,000+ daily transactions, applying Redis caching and JPA optimizations that cut average API latency by 30%. Designed a modular, asynchronous service layer enabling horizontal scalability and 99.9% uptime, maintaining 90%+ test coverage with JUnit 5/Mockito in an Agile/CI-CD workflow.

Spring Boot 3 REST APIs Redis JPA JUnit5 Mockito Agile CI CD

Backend Developer Intern

VRV Security

Dec 2024 - May 2025 (5 months)

Engineered secure, multi-tenant REST APIs with Spring Security, JWT, OAuth2, and RBAC, applying OWASP best practices with zero reported security incidents.

Spring Security JWT OAuth RBAC OWASP Bcrypt REST APIs