Rajat  ·  Java Spring Boot Developer  ·  4+ yrs

Mid-Level
Kolkata4+ years experienceonsite
Available within 48 hrs

About Rajat

A Backend Developer with 4 years of professional experience, adept at building robust and scalable applications using Java, Spring Boot, and Microservices. Seeking a challenging role to leverage skills in backend development, API design, and database management, contributing to projects focused on Air Quality Management, Health Insurance, and Customer Relationship Management.

  • Proficient in designing and developing REST APIs for various microservices architectures.
  • Experienced in database management and schema migration activities using PostgreSQL and MySQL.
  • Demonstrated ability to work on projects from scratch, including requirement gathering and API development.
  • Skilled in performing dev testing and bug fixing to ensure application reliability.
  • Possesses well-developed organizational, communication, and interpersonal skills.

Core expertise

Java
Technology
8/10

Additional skills(12)

JavaSpring BootJPAPostgreSQLPostmanRedisSwaggerMySQLMicroservicesDbeaver

Why hire Rajat?

Microservices + APIs depth

Java Software Development Engineer + Microservices + APIs

AQMI (Air Quality Management Index) — vehicle air quality records tracking from States/Regions (built from scratch)

Health Insurance — health insurance product website + claim + policy + renewal/endorsement microservices

CMP (Customer Management Portal) — customer data + products + contracts + licensing + reward system

TMS (Ticket Management System) — customer query support + notifications + task assignments by priority

Built AQMI (Air Quality Management Index) — tracking system managing vehicle air quality records from different States/Regions + led project from scratch + requirement gathering + vehicle pollution as Software Development Engineer

Built Health Insurance — website for Health Insurance Product enabling customers to claim insurance + create/purchase policies + manage renewals/endorsements + APIs for microservices (claim + client + invoice + quotation + member) as Software Development Engineer

Built CMP (Customer Management Portal) — managing customer data + products + contracts + licensing + reward system + APIs for customer + reward as Software Development Engineer

Built TMS (Ticket Management System) — support portal for customer queries + notifications + task assignments based on priority + APIs for query submission + task management as Software Development Engineer

Project highlights(4)

AQMI (Air Quality Management Index) – Software Development Engineer

AQMI (Air Quality Management Index) — tracking system managing vehicle air quality records from different States/Regions + built from scratch.

JavaSpring BootJPAPostgreSQLPostmanRedis

Key outcomes:

  • Worked on the project from scratch, from requirement gathering to building the vehicle pollution record management system.

  • Designed and developed the API for the system.

  • Performed dev testing and bug fixing.

Health Insurance – Software Development Engineer

Health Insurance — website for Health Insurance Product enabling claim + policy creation/purchase + renewal/endorsement + microservices for claim/client/invoice/quotation/member.

JavaMicroservicesSpring BootJPADbeaverPostmanSwaggerKeycloakMySQL

Key outcomes:

  • Worked on different microservices for developing APIs.

  • Built Feign client and web client for microservice integration.

  • Involved in database and codebase migration activities.

CMP (Customer Management Portal) – Software Development Engineer

CMP (Customer Management Portal) — customer data + products + contracts + licensing + reward system for redemptions.

JavaSpring BootJPASQLPostman

Key outcomes:

  • Designed and developed APIs for customer data management.

  • Performed dev testing and bug fixing for the portal.

TMS (Ticket Management System) – Software Development Engineer

TMS (Ticket Management System) — support portal for customer queries + notifications + task assignments based on priority.

JavaSpring BootJPAPostgreSQL

Key outcomes:

  • Designed and developed APIs for the ticket management system.

  • Performed dev testing and bug fixing for the support portal.

4+ years of industry experience

Insurance1 project
  • •Health Insurance— Software Development EngineerJava · Microservices · Spring Boot · JPA +5

Ready to work with Rajat?

Onboard within 48 hours. No long hiring cycles, no recruiter middleman.

At a Glance

LocationKolkata
Experience4+ years
Work modeonsite
Direct hirePossible
Start within48 hours
From$1,725/ month

Single contract. Billed in USD.

Typically responds within 4 business hours.

5-day replacement guarantee
48-hour onboarding, single invoice
Direct chat — no recruiter middleman

Top Skills

Java
8/10
VerifiedVetted by Witarist
Technical skills assessed & verified
Background & identity checked
English communication verified
Ready to onboard in 48 hours

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Rajat

Java Developer