vanshit wadhera

Backend Developer | Java | Spring Boot | SQL | Building Scalable Applications

NoidaSoftware Development

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3roles

32skills

2education

2credentials

About

I am a Backend Developer skilled in Java, Spring Boot, and SQL, with a strong foundation in Object-Oriented Programming. I have built projects like: • Smart Expense Advisor (Spring Boot, JDBC, Oracle) reduced backend API latency under 50ms using indexing • Hotel Management System (JSP, Servlets, JDBC) • Banking portal System (SQL , Postman, Java, Maven) I have solved 500+ DSA problems on platforms like LeetCode, strengthening my problem-solving and logical thinking skills. Currently seeking internship and full-time opportunities as a Backend Developer.

Experience

Back End Developer

BAND9

4 mos · Asia

Java Full Stack Developer Intern

Contriverz

3 mos · Chandigarh, India

• Developed RESTful APIs using Spring Boot and Spring MVC • Implemented CRUD operations and handled JSON data using @RequestBody • Worked with Oracle and MySQL using JDBC • Applied OOP concepts for clean and maintainable code • Tested APIs using Postman • Gained hands-on experience in full stack development

Java Full Stack Developer Intern / Backend Developer

May 2025 – July 2025 · Remote

Designed REST APIs for CRUD operations and API integration using Spring Boot and MySQL. Developed backend modules using Java and Spring MVC. Architected and deployed RESTful APIs with optimized SQL queries, reducing response time by 30%. Implemented secure user authentication, session management, server-side validation, and data integrity across application layers.

Education

Sharda University

Bachelor of Technology, Computer Science

2022

Sharda University

BTech, Computer Science and Engineering

Expected graduation: June 2026

CGPA: 9.2 / 10; Greater Noida

Skills

MavenSQLBack-End Web DevelopmentJava Spring Boot SQL JDBC REST API Object-Oriented Programming (OOP) Data Structures and AlgorithmsJavaJava Database Connectivity (JDBC)MySQLObject-Oriented Programming (OOP)Postman APIData StructuresSpring BootREST APIsOOPJDBCHibernateBackend DevelopmentAPI DevelopmentCRUD OperationsSpring MVCHibernate/JPAThymeleafJavaScriptHTMLCSSCOracleGitJupyterEclipseIntelliJPostmanJSON

Projects

Smart Expense Advisor Application

Developed a backend application using Java, Spring Boot, JDBC, and Oracle to manage personal expenses and savings goals. • Implemented REST APIs for expense tracking and budget management • Integrated Oracle database using JDBC for data persistence • Optimized API performance, reducing response time to under 50ms • Designed clean backend architecture following OOP principles

Smart Expense Advisor System

Developed a full-stack web application using Java, Spring Boot, JDBC, MySQL, and Hibernate. Implemented 10+ features including login, signup, and password recovery using REST APIs. Optimized MySQL read queries to respond under 10ms and backend API latency under 50ms using indexing. Achieved 100% REST API test coverage using Postman.

Banking Portal System

Designed and built a full-stack banking application using Java, Spring MVC, JDBC, and Oracle, implementing authentication, session management, input validation, CRUD operations, and secure data persistence.