Dandu Divya Sree

Backend Developer — Java

divyasreedandu28@gmail.com

Based in Hyderabad

About Experience Projects Connect

About

I am a Bachelor of Computer Applications (BCA) graduate with a CGPA of 8.0, specializing in building scalable backend systems. My expertise lies in Java 17, Spring Boot, and Microservices architecture, with a strong focus on high-performance operations using Redis and PostgreSQL. I bridge the gap between development and quality through rigorous API testing and Agile methodologies.

Education

Bachelor of Computer Applications (BCA)

SDHR Degree College, SV University

2020 - 2023

Skills & Expertise

Java 17Core JavaOOPDSAJavaScriptSpring BootREST APIsMicroservicesMavenPostgreSQLMySQLMongoDBRedisGitGitHubDockerPostmanLinuxAPI TestingSeleniumFunctional TestingAgile/ScrumDebuggingPerformance Tuning

Summary

Experience

QA & Backend Validation EngineerAug 2022 - Oct 2022

Salesforce

Translated CRM requirements into test cases for REST API integrations, Salesforce workflows, and custom Apex/LWC features
Validated backend API integrations using Postman and sandbox testing; isolated failures through structured debugging and defect tracking
Executed functional and manual testing for backend workflows and documented issues with development teams
Participated in Agile sprint activities, code reviews, sprint planning, and technical documentation

Projects

Social Media Backend Enginegithub.com/divyasree-2/spring-boot-project

Built scalable backend microservices using Java 17 and Spring Boot 3.x handling concurrent bot and user interactions

Built scalable backend microservices using Java 17 and Spring Boot 3.x handling concurrent bot and user interactions
Designed and consumed REST APIs with stateless architecture and PostgreSQL integration
Engineered Redis-based Virality Scoring Engine updating post scores atomically in real-time using thread-safe operations
Implemented concurrent request handling using Redis INCR ensuring exactly 100 bot comments under 200 simultaneous requests with zero race conditions

Student Task Managergithub.com/divyasree-2/Student-task-manager

Designed and built a task management application using JavaScript, HTML, and CSS with CRUD operations

Designed and built a task management application using JavaScript, HTML, and CSS with CRUD operations
Performed functional, regression, and usability testing while validating edge cases and concurrent actions
Worked with structured debugging and documentation practices to improve application reliability