Aryan Singh

Java Backend Developer

Talent

BengaluruMember since August 9, 2026

Java Backend DeveloperSqlJavaSpringSpring BootMongodbHtmlCssDatabaseAwsSpring MvcSpring Boot DeveloperHibernatePythonSpring SecuritySpring Data JPARESTful APIsWebSocketReact.jsJiraAgileSDLC

Hire this person

Send a job offer directly to this candidate

Java Backend DeveloperSqlJavaSpringSpring Boot

About

Java Backend Developer experienced in building production SaaS applications using Java, Spring Boot, RESTful APIs, Spring Data JPA, Hibernate, SQL, and MongoDB. Skilled in API development, database operations, production debugging, concurrency handling, and delivering scalable backend solutions across the Agile SDLC. Strong problem-solving skills demonstrated by solving 400+ DSA problems across multiple coding platforms.

Experience

Product Development Engineer Intern — Java Backend - HTH Technolabs Pvt Ltd - Bangalore, Karnataka

(2026-02)

Developed and maintained production backend services using Java 8/17, Spring Boot, RESTful APIs, Spring Data JPA, Hibernate and SQL, delivering features and bug fixes across 91 Jira tickets in an Agile fast-paced environment.
Developed and enhanced REST APIs, DTO-based request and response models, validation logic, bulk-processing operations, dynamic filters, and role-based access control, reducing manual operational effort by approximately 30%.
Debugged and resolved production issues involving multithreading, concurrency, optimistic locking, transaction management, caching, authorization, exception handling, and inconsistent application states.
Built an AI-assisted Python automation pipeline to scrape, process, validate, and upload 1,500+ coding questions, reducing onboarding time by approximately 85% and saving 250+ hours of manual effort.
Collaborated with product, frontend, and QA teams throughout requirement analysis, API integration, code review, testing, bug fixing, and release validation as part of the Agile SDLC.