Ratnesh Singh
@ratneshsingh1
I build scalable Java and React applications for CRM, payroll, and enterprise operations.
IndiaWhat I'm looking for
I'm building backend services for MyCRM at Campaigning Source Pvt. Ltd., using Core Java, Spring Boot, Spring Security, JWT authentication, and role-based access control.
I've contributed to payroll operations features for salary processing, deductions, and HR workflows, while also building React.js enterprise interfaces for inventory, stock tracking, and product management.
I develop REST APIs, event-driven services with Apache Kafka, and maintainable MySQL-backed systems. I also write JUnit and Mockito tests, participate in code reviews, and work within Agile/Scrum delivery processes.
Experience
Work history, roles, and key accomplishments
FullStack Web Developer
Campaigning Source Pvt. Ltd.
May 2025 - Present (1 year 4 months)
Developed backend services for a CRM platform using Core Java and Spring Boot with JWT authentication and role-based access control. Contributed to a Payroll Management System and built a React.js frontend for an enterprise system with an Inventory Management module.
FullStack Web Developer
Campaigning Source Pvt. Ltd.
May 2025 - Present (1 year 4 months)
Developed backend services for MyCRM using Core Java and Spring Boot with JWT authentication and role-based access control. Contributed to a Payroll Management System and built a React.js frontend for an enterprise system with an Inventory Management module.
Education
Degrees, certifications, and relevant coursework
ABES Institute of Technology
Bachelor of Technology, Computer Science and Engineering
2021 - 2025
Pursued a Bachelor of Technology in Computer Science and Engineering, gaining a strong foundation in software development and engineering principles.
ABES Institute of Technology
Bachelor of Technology, Computer Science and Engineering
2021 - 2025
Pursued a Bachelor of Technology in Computer Science and Engineering, gaining a strong foundation in software development and engineering principles.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Job categories
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