Mainuddin  ·  Java Spring Boot Developer  ·  3+ yrs

Junior
India3+ years experienceremote
Available within 48 hrs

About Mainuddin

Mainuddin K is a skilled Java Developer with a solid background in building applications for the Banking and HRMS domains. He has hands-on experience in developing RESTful APIs and implementing security features using Spring Security and JWT. His expertise in database management with MySQL, Oracle, and MongoDB complements his development skills, making him a valuable asset to any team.

Core expertise

Java
language
10/10
Spring Boot
backend
10/10
Hibernate
backend
9/10
MySQL
database
9/10
Oracle
database
9/10
MongoDB
database
9/10
RA
REST API
backend
9/10
SS
Spring Security
other
8/10
Postman
tooling
8/10

Additional skills(12)

JavaSpring BootHibernateMySQLMongoDBPostmanMavenREST APISpring SecurityJSP

Why hire Mainuddin?

Production deploy authorityOn-call experience

Developed and maintained robust software applications using Java, Spring Boot, and Hibernate.

Designed and implemented end-to-end RESTful APIs for critical business functionalities.

Resolved production and UAT bugs, ensuring application stability.

Implemented security features using Spring Security and JWT for application protection.

Contributed to database schema design and development using MySQL and Oracle.

Successfully delivered end-to-end API development for new functionalities, enhancing user experience.

Designed and implemented MySQL database schemas for HR functions, streamlining data management.

Project highlights(2)

Banking Loan Application – Software Developer

Overview: This application facilitates loan applications for MSMEs. Responsibilities: Attended daily Scrum meetings to align on development progress. Understood and analyzed documentation for new API development. Created end-to-end API development based on structured documents. Resolved bugs in production and UAT environments, analyzing issue behavior. Maintained Postman collections for REST APIs. Managed multiple branches for version control.

JavaSpring BootHibernateMySQLMongoDBREST APIPostmanSpring SecurityMaven

Key outcomes:

  • Delivered end-to-end API development for new functionalities as per documentation.

  • Successfully resolved production and UAT bugs, ensuring application stability.

HR Management Software – Software Developer

Overview: Aska 9.3 is an HR management software designed to streamline various HR functions. Responsibilities: Designed MySQL database schemas and performed database creation. Implemented the MVC architecture in Java development. Configured application.properties for efficient application performance. Developed entity classes using encapsulation concepts. Proficiently developed the repositories layer for database operations in Spring Boot. Developed view JSP and JSTL tags as required. Developed controllers in Spring Boot to interact with views and backend business logic. Developed the service layer with the concept of abstraction. Integrated email sending services. Resolved defects and bugs with strong problem-solving skills. Tested web services using Postman. Added Spring validation features and implemented Spring security features.

JavaSpring BootHibernateMySQLJSPJSTLSpring ValidationSpring SecurityPostman

Key outcomes:

  • Designed and implemented MySQL database schemas for HR functions.

  • Successfully implemented MVC architecture and developed various layers (repository, service, controller) in Spring Boot.

  • Integrated email sending services and added Spring validation and security features.

  • Resolved defects and bugs, contributing to software stability.

3+ years of industry experience

FinTech1 project
  • •Banking Loan Application— Software DeveloperJava · Spring Boot · Hibernate · MySQL +5
HR Tech1 project
  • •HR Management Software— Software DeveloperJava · Spring Boot · Hibernate · MySQL +5
SaaS / B2BReported in resume

Ready to work with Mainuddin?

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

At a Glance

LocationIndia
Experience3+ years
Work moderemote
Direct hirePossible
Start within48 hours
From$1,293/ 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
10/10
Spring Boot
10/10
Hibernate
9/10
MySQL
9/10
Oracle
9/10
Seniority signals
Owns production deploysOn-call experience
VerifiedVetted by Witarist
Technical skills assessed & verified
Background & identity checked
English communication verified
Ready to onboard in 48 hours

Not sure if this is the right fit?

Tell us your requirements and we'll match you with the best candidates.

Mainuddin

Java Developer