Durga Karthik Yandrapu

Java Backend Developer

Hyderabad, Telangana 1+ yrs exp 83 · Excellent

About

Java Backend Developer with 1+ year of professional experience developing scalable backend applications using Java and Spring Boot. Proficient in designing Microservices, REST APIs, and high-performance event-driven applications using Apache Kafka. Experienced in SQL optimization, AWS, Tekton, ArgoCD, and Agile software development, delivering reliable, secure, and scalable enterprise-grade backend solutions.

Skills & Expertise (30)

Java Intermediate

6.4/10

Years Exp

Spring Boot Intermediate

6.4/10

Years Exp

Spring Intermediate

6.4/10

Years Exp

REST APIs Intermediate

6.4/10

Years Exp

Microservices Intermediate

5.4/10

Years Exp

MySql Intermediate

5.4/10

Years Exp

Git Intermediate

5.4/10

Years Exp

Spring Data JPA Intermediate

5.4/10

Years Exp

Angular Intermediate

5.4/10

Years Exp

Hibernate Intermediate

5.4/10

Years Exp

SQL Intermediate

5.4/10

Years Exp

SonarQube Intermediate

4.4/10

Years Exp

Mockito Intermediate

4.4/10

Years Exp

JUnit Intermediate

4.4/10

Years Exp

Postman Intermediate

4.4/10

Years Exp

Checkmarx Intermediate

4.4/10

Years Exp

Maven Intermediate

4.4/10

Years Exp

Azure Intermediate

4.4/10

Years Exp

AWS Intermediate

4.4/10

Years Exp

MongoDb Intermediate

4.4/10

Years Exp

Postgresql Intermediate

4.4/10

Years Exp

Oracle Intermediate

4.4/10

Years Exp

Swagger Intermediate

4.4/10

Years Exp

Apache Kafka Intermediate

4.4/10

Years Exp

Spring AI Beginner

3.6/10

Typescript Beginner

3.6/10

Python Beginner

3.6/10

Tekton Beginner

2.6/10

ArgoCD Beginner

2.6/10

LLM Integration Beginner

2.6/10

Work Experience

Java Backend Developer

Cognizant Technology Solutions - Client: Elevance Health

Jun 2025 - Jun 2026

Engineered scalable REST APIs for FIRM, enabling seamless data flow across 3 upstream (SoRDS, COM2, FOA) and 2 downstream (RMB, Icertis) enterprise systems. Developed 20+ REST APIs using Java and Spring Boot, designing scalable, secure, and high-performance backend services to support enterprise business workflows and seamless system integration. Implemented Apache Kafka consumers to process 1+ million daily events from upstream systems into the FIRM inbound topic, enabling reliable asynchronous message processing and efficient communication across distributed microservices. Modernized a legacy Delphi Pascal application with Angular and Spring Boot by migrating 24 core business modules, developing backend services, and integrating with the USPS API to improve end-to-end application performance. Migrated 8+ HIPAA services from SOAP to REST architecture using Java and Spring Boot, constructing 30+ refined REST controllers to maintain high data integrity. Remediated 40+ security vulnerabilities by analyzing Checkmarx SAST and SCA reports and applying Wiz fixes.

Java Full Stack Developer - Intern

Cognizant Technology Solutions

Jan 2025 - Jun 2025

Completed a rigorous 14-week intensive training program in Java, Spring Boot, and Angular to build a strong foundation in enterprise-level full-stack development. Built 10+ REST APIs using Spring Boot and integrated them with an Angular frontend and MySQL database. Applied learned technologies to develop the Employee Leave & Attendance Management System, delivering a functional end-to-end full-stack application in just 3 weeks.