Kartikeya S  ·  Java Spring Boot Developer  ·  3+ yrs

Junior
3+ years experienceremote
Available within 48 hrs

Built for

Indian GST Government (IRP)

About Kartikeya

Kartikeya S is a Senior Java Developer with 3+ years of experience in software development across diverse industries. He has demonstrated strong skills in Java, Spring, and database management, successfully leading projects and improving application functionalities.

3+ years of commercial experience in

FinTechSaaS / B2BGovernment & Public Sector

Skills(6)

JavaSpringMySQLPostgreSQLMicroservicesAngular

Why hire Kartikeya?

Production deploy authorityMentored 5+ juniorsLed multiple projects

Led the development of a CRM application using Spring and MySQL, enhancing user experience.

Implemented the full SDLC for large-scale applications, ensuring project success.

Developed robust REST APIs for critical functionalities, improving application stability.

Successfully led the development of a CRM application, resulting in improved data management.

Delivered key projects including a currency exchange platform, enhancing transaction efficiency.

Resolved bugs and implemented new features, contributing to improved application maintainability.

Project highlights(4)

Currency Exchange Application – Full Stack Developer

Overview: Convera is a currency exchange application that facilitates cross-country payment transactions. Responsibilities: Worked on bug resolution, implementing new features, and refining code to minimize code smell. Developed as a full stack web Developer using Java and Angular.

JavaAngularSpringPostgreSQL

Key outcomes:

  • Resolved bugs and implemented new features to improve application functionality.

  • Contributed to code refactoring efforts, reducing code smell and improving maintainability.

Tender Management Platform – Backend Developer

Overview: DG Market is a platform connecting buyers and sellers of tenders globally. Responsibilities: Developed REST APIs using Spring Data JPA and a PostgreSQL database. Implemented features for filtered responses on APIs and query generation.

JavaSpringPostgreSQL

Key outcomes:

  • Developed REST APIs for tender management, improving API functionality.

  • Addressed minor bugs and created essential APIs for user interactions.

Invoice Registration Portal – Backend Developer

Overview: IRP is a government project for GST-registered individuals to upload invoices. Responsibilities: Managed data synchronization between the government portal and the application database. Developed REST APIs and API validations.

JavaSpringPostgreSQL

Key outcomes:

  • Ensured seamless data synchronization between the portal and database.

  • Developed and validated REST APIs for robust invoice management.

Healthcare Networking Platform – Backend Developer

Overview: Bant is a platform designed to connect public and health practitioners. Responsibilities: Managed tasks and fixed issues within the search API. Created simple CRUD APIs to support core functionalities.

JavaSpringMySQL

Key outcomes:

  • Developed core CRUD APIs for platform functionality.

  • Integrated payment services and gateways for transactions.

Industry experience

FinTech

1 project
  • •Currency Exchange Application— Full Stack DeveloperJava · Angular · Spring · PostgreSQL

SaaS / B2B

2 projects
  • •Tender Management Platform— Backend DeveloperJava · Spring · PostgreSQL
  • •Healthcare Networking Platform— Backend DeveloperJava · Spring · MySQL

Government & Public Sector

1 project
  • •Invoice Registration Portal— Backend DeveloperJava · Spring · PostgreSQL

Ready to work with Kartikeya?

Schedule an interview and onboard within 48 hours. No long hiring cycles.

At a Glance

Experience3+ years
Work moderemote
Starting from₹1.2 L/mo
Direct hirePossible
Start within48 hours
From₹1.2 L/ month

Single contract. No agency markup confusion.

Typically responds within 4 business hours.

5-day replacement guarantee
48-hour onboarding, single invoice
Direct chat — no recruiter middleman
Seniority signals
Owns production deploysGreenfield architectSystem ownerCode reviewerMentor / leads juniors
VerifiedVetted by Witarist
Technical skills assessed & verified
Background & identity checked
English communication verified
Ready to onboard in 48 hours

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Kartikeya S

Java Developer