Nithin Kumar

Backend Developer

Coimbatore, India 2+ yrs exp 90 · Outstanding

About

Backend Developer with 2+ years of hands-on experience designing, building, and optimizing scalable web applications using Java, Spring Boot, and RESTful APIs. Skilled in Microservices, Spring Security (JWT, OAuth2), and MySQL. Strong understanding of CI/CD, Agile methodologies, and clean code principles. Passionate about writing maintainable, secure, and high-performance backend systems that drive business efficiency and data reliability.

Skills & Expertise (20)

RESTful APIs Intermediate

7.6/10

Years Exp

Spring Boot Intermediate

7.6/10

Years Exp

Java Intermediate

7.6/10

Years Exp

SQL Intermediate

6.4/10

Years Exp

Spring Security Intermediate

6.4/10

Years Exp

Spring MVC Intermediate

6.4/10

Years Exp

Hibernate Intermediate

6.4/10

Years Exp

OAuth2 Intermediate

6.4/10

Years Exp

MySql Intermediate

6.4/10

Years Exp

JWT Intermediate

6.4/10

Years Exp

Microservices Intermediate

6.4/10

Years Exp

Bitbucket Intermediate

5.4/10

Years Exp

Agile methodologies Intermediate

5.4/10

Years Exp

HeidiSQL Intermediate

5.4/10

Years Exp

Spring Tool Suite Intermediate

5.4/10

Years Exp

Eclipse Intermediate

5.4/10

Years Exp

Maven Intermediate

5.4/10

Years Exp

Postman Intermediate

5.4/10

Years Exp

Apache Tomcat Intermediate

5.4/10

Years Exp

Python Intermediate

5.4/10

Years Exp

Work Experience

Software Engineer

Fulcrum Digital

Jun 2026 - Present

Designed and developed scalable RESTful APIs using Java, Spring Boot, and MySQL. Implemented OAuth2 and JWT-based security for secure authentication and authorization. Optimized database performance through indexing, caching, and query tuning. Developed workflows for Contract, improving process efficiency. Collaborated across teams to deliver end-to-end features with 99.9% uptime and high reliability.

Software Engineer

Dataspire Technologies Pvt Ltd

Sep 2023 - Dec 2025

Designed and developed scalable RESTful APIs using Java, Spring Boot, and MySQL. Implemented OAuth2 and JWT-based security for secure authentication and authorization. Optimized database performance through indexing, caching, and query tuning. Developed workflows for Five’s, Customer Survey, Compliance, Nictora, Yes, improving process efficiency. Collaborated across teams to deliver end-to-end features with 99.9% uptime and high reliability.