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Available for Java / Spring Boot Roles · 2026

Java Backend Developer · Spring Boot · REST APIs · PostgreSQL

Java-focused Computer Science graduate with 7 months of professional internship experience building backend applications using Java, Spring Boot, Spring Security, REST APIs, and PostgreSQL. Experienced in JWT authentication, layered Spring Boot architecture, relational database design, and AWS S3 integration.

Java Spring Boot Spring Security PostgreSQL REST APIs JPA / Hibernate JWT Authentication AWS S3
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Current Status
Open to Opportunities
Java · Spring Boot · Backend Developer roles
Professional Experience
0
months professional
Projects Built
0
+
shipped
Latest Role
SDE Intern @ PreSecure Solutions
Java · Spring Boot · AWS · PostgreSQL — Nov 2025 to May 2026
Location
Pune, Maharashtra, India
Open to relocation & remote roles
Technical Skills

What I Work With

Languages
JavaJavaScriptSQLCC++
Backend
Spring BootSpring MVCSpring SecuritySpring Data JPAHibernate / JPAREST APIsJWT Authentication
Frontend
React.jsHTML5CSS3JavaScript ES6+Material UIBootstrap
Databases
PostgreSQLMySQLMongoDB
Cloud & Tools
AWS S3GitGitHubPostmanMVCOOPDSA
Full-Stack
Spring Boot + ReactController-Service-RepositoryREST API Integration
Work Experience

Where I've Worked

Software Development Engineer Intern
Nov 2025 — May 2026
PreSecure Solutions · Pune
Production · 6 Months
Built and maintained RESTful APIs in Java and Spring Boot for a Canada-based parenting social application, covering user registration, JWT authentication, and profile management.
Integrated AWS S3 for secure profile photo upload, storage, and retrieval across parent and child accounts.
Designed optimised PostgreSQL schemas for users, child profiles, and verification records; authored efficient CRUD and lookup queries supporting core workflows.
Defined API contracts and standardised DTOs in collaboration with a Next.js/React frontend team, reducing cross-team integration friction significantly.
Applied controller–service–repository architecture with input validation, structured logging, and global exception handling; delivered a production-ready module on schedule.
Java Development Intern
Apr 2026 — May 2026
TechnoHacks Solutions Pvt. Ltd. · Remote
Remote
Built a full-stack Secure Authentication System using Spring Boot 3 and Spring Security 6, implementing JWT-based authentication with PostgreSQL.
Developed the companion React and Material UI frontend, resolving UI compatibility issues introduced during the MUI v9 upgrade.
Added quick-fill demo credentials to streamline internal testing and stakeholder demonstrations.
Web Developer Intern
Jun 2024 — Jul 2024
InternPe · Remote
Remote
Designed and shipped four client-side web apps — a calculator, e-commerce product listing, to-do manager, and Connect-4 game — using HTML, CSS, and JavaScript.
Strengthened DOM manipulation, event-driven programming, and responsive UI skills in a fast-paced remote environment.
Selected Projects

Things I've Built

Project / 02
Employee & Department Management System

Full-stack employee and department management application built with Spring Boot and React.js. Provides CRUD operations, department assignment, validation, case-insensitive department search, and relational employee-department management using JPA.

Java Spring Boot React.js PostgreSQL JPA REST API
View Project
Education

Academic Background

2026 — 2028
Pursuing
Master of Computer Applications
Dr D Y Patil School of MCA, Pune
2023 — 2026
Completed
Bachelor of Science
Computer Science
MAEER's MIT Arts Commerce & Science College Alandi (D), Pune
2021 — 2023
HSC · MSBSHSE
Higher Secondary Certificate
MIT Arts Commerce and Science College, Pune
2020 — 2021
SSC · CBSE
Secondary School Certificate
SPG International Public School, Pune
Java — Core to Advanced
Spark IT Institute · 2026
In Progress
Java Development
TechnoHacks Solutions
Apr — May 2026
Contact

Let's Connect

Ready to build
something great.

Open to Java, Spring Boot, and backend development opportunities. I'm interested in building reliable APIs, secure backend systems, and scalable applications.

Email
avishkarspansare@gmail.com
LinkedIn
linkedin.com/in/avishkarspansare
GitHub
github.com/avishkarspansare
Phone
+91 8149382806