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Milind's Portfolio

I engineer scalable backend systems and APIs. My focus is on delivering reliable, production-ready services and robust database architectures using Java and Spring Boot.

Milind Jarsaniya

Technical Skills

The tools and technologies I use to architect and deploy backend systems.

Languages

JavaC/C++JavaScriptSQL

Frameworks

Spring BootSpring MVCHibernate/JPANode.jsExpress.js

Databases

PostgreSQLMySQLMongoDB

Cloud & Tools

AWS (SNS, SQS, S3)DockerGitPostman

Work Experience

Professional journey and impactful roles.

Jan 2025 - Present

Azilen Technologies

Associate Software Developer

Jul 2025 - Present
  • Postilion Payment Processing: Engineered payment modules on ACI Postilion (Java 8), implementing ISO 8583 message parsing flows.
  • Timesheet & Resource Management: Designed 15+ RESTful APIs using Spring Boot and PostgreSQL. Executed cross-schema database migrations and refactored the code.
  • COMS (Cost & Management System): Developed backend modules for client onboarding and project allocation, consistently delivering features within Agile sprint deadlines.

Associate Software Developer Intern

Jan 2025 - Jun 2025
  • Architected a Change Data Capture (CDC) pipeline across 3 databases using AWS SNS and SQS for near-real-time data synchronization.
  • Migrated a Nest.js timesheet system to a clean Java/Spring Boot microservice architecture.

Selected Projects

Things I've built to solve complex problems.

Multi-Library Management System

Built a multi-tenant Library Management System with full CRUD operations for books, issuances, authors, and users across multiple libraries. Designed relational schema in MySQL.

Node.jsExpress.jsMySQLREST API
View Project

Streaming Service Platform

Engineered a Netflix-inspired backend featuring user/admin management, tiered subscription plans, video upload handling, and JWT-based authentication with role-based access control.

Node.jsExpress.jsMongoDBJWT
View Project

Let's grow work explore
together.

I'm currently available for new opportunities. Feel free to reach out to discuss collaborations or just to say hi.