MK

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Mohit Kumar

@mohitkumar9

Java backend developer building scalable microservices with Spring Boot, Kafka, Redis, and secure REST APIs.

What I'm looking for

Java Backend Developer with 3+ years of experience in building scalable microservices using Spring Boot, REST APIs, Kafka, Redis, and MySQL. Strong experience in Spring Security with JWT authentication, API Gateway routing, and inter-service communication.

I’m a Java Backend Developer with 3+ years of experience designing and building scalable, high-performance microservices. I focus on delivering reliable services through REST API development, event-driven architecture, and performance-driven backend engineering.

I build secure, stateless systems using JWT/OAuth2 authentication and implement practical performance improvements with Redis caching and efficient database querying. I also use Resilience4j Circuit Breaker and fault-tolerant patterns to prevent cascading failures and improve system stability.

In my recent roles, I’ve integrated Apache Kafka for asynchronous communication, configured Eureka/API Gateway/Config Server for service discovery and centralized configuration, and supported Jenkins-based CI/CD pipelines deploying to AWS EKS using Docker and Kubernetes. I enjoy collaborative Agile development, production deployments, and incident resolution—backed by a strong foundation from building voucher APIs with encryption and external telecom integrations.

Experience

Work history, roles, and key accomplishments

HL

Software Engineer Intern

Helson Software Solutions Pvt. Ltd.

Jan 2023 - Jul 2023 (6 months)

Developed REST APIs for a Voucher Management System to support voucher generation, validation, and distribution. Implemented AES encryption for secure voucher storage and built integration APIs for external telecom systems.

Java Spring Boot REST APIs API Integration Data Security MySQL

Education

Degrees, certifications, and relevant coursework

LC

L N Mishra Institute of Economic Development & Social Change

Master of Computer Applications (MCA), Computer Applications

2021 - 2023

Completed a Master of Computer Applications (MCA) at L N Mishra Institute of Economic Development & Social Change in association with Aryabhatta Knowledge University from 2021 to 2023.

MU

Magadh University

Bachelor of Science, Science

2016 - 2019

Earned a Bachelor of Science from Magadh University in Patna, Bihar, from 2016 to 2019.

Tech stack

Software and tools used professionally

Postman

OpenAPI

GitHub

Kubernetes

Spring Cloud

Jenkins

MySQL

Spring Boot

Spring MVC

Redis

Java 8

Java

Kafka

Spring Security

JUnit

Mockito

OAuth2

Docker

SQL

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