Java
Flutter
Spring Boot
Firebase
MySQL
Dart
REST API
Bloc
Git
iOS/Android
Available for Hire

BOOPATHIRAJAN S

Crafting high-performance backends and seamless cross-platform mobile experiences with Java, Spring Boot, and Flutter.

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2+Years Experience
15+REST APIs Built
5k+Active Users
25+Projects Delivered
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Boopathirajan S
Currently Learning
MicroservicesDockerAWSCI/CD PipelinesSystem Design

About Me

I am a passionate Full-Stack Developer specializing in building robust backend systems with Java and Spring Boot, and creating seamless cross-platform mobile applications with Flutter.

With over 2 years of experience, I have successfully delivered multiple production applications, integrated complex SDKs, and designed scalable REST APIs.

2+Years Experience
15+REST APIs Built
2App Store Deployments
6SDKs Integrated

Technical Skills

Languages

JavaDartTypeScriptJavaScriptSQL

Frameworks

Spring BootFlutterReactNext.js

Databases

MySQLPostgreSQLMongoDBFirebase

Tools

GitDockerPostmanVS CodeAndroid Studio

Integrations

REST APIsBlocPine LabsAppsFlyer

Deployment

Play StoreApp StoreVercelAWS

Work Experience

Developer

3 mos
JRK Consulting Services Pvt. Ltd.
Full-time · On-site

Junior Software Developer

1 yr 10 mos
JRK Consulting Services Pvt. Ltd.
Full-time · On-site
Skills: Flutter Bloc, Flutter, Java, Spring Boot, MySQL, JPA, Git

Software Programmer (Intern)

4 mos
JRK Consulting Services Pvt. Ltd.
Internship

Featured Projects

01

Billing & Inventory Management System

JavaSpring BootJPAMySQLFlutterREST API
  • Designed and delivered a full-stack billing platform handling product catalogues, purchase orders, invoicing, and stock tracking for retail and wholesale clients.
  • Built 20+ REST API endpoints with Spring Boot and JPA; integrated Pine Labs POS terminals for real-time payment processing at checkout.
  • Developed the Flutter mobile client with Bloc state management, enabling offline-first data sync and push notification alerts for low-stock events via Firebase.
02

Cross-Platform Mobile Application Suite

FlutterDartBlocFirebaseAppsFlyerDeep Links
  • Built and shipped two customer-facing Flutter applications to both the Google Play Store and Apple App Store, collectively serving 5,000+ active users.
  • Implemented advanced analytics pipeline (Firebase Analytics + AppsFlyer) enabling real-time campaign attribution; reduced uninstall rate by 15% post-optimisation.
  • Integrated Microsoft Clarity for behavioral analytics and iterated on UX improvements, resulting in a 25% increase in session depth metrics.
03

Desktop Billing Application

JavaJava SwingMySQLMSSQL
  • Engineered a robust desktop billing application using Java Swing for retail counter operations, handling high-frequency transaction recording with sub-second response times.
  • Designed normalised MSSQL database schemas and wrote stored procedures to generate daily/monthly sales reports, replacing manual spreadsheet workflows.
  • Deployed and maintained the application on-premise, providing version updates and data migration scripts across multiple client sites.

Get In Touch

BOOPATHIRAJAN S

Java & Flutter Developer | Full-Stack Engineer

Tiruppur, Tamil Nadu, India
boopathirajan29102003@gmail.com

Let's Collaborate

I'm available for freelance projects or full-time roles. If you have an idea you'd like to bring to life, feel free to reach out!