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Vikash Kumar

Vikash Kumar

Java Backend Developer

Bengaluru, India 1+ yrs exp 82 · Excellent

About

Backend Engineering Intern with 3+ months of experience building scalable backend services using Spring Boot and PostgreSQL. Worked on real-world microservices and API development, focusing on performance optimization, efficient data handling, and system reliability. Enhanced application performance through query optimization, indexing strategies, and debugging. Demonstrates strong proficiency in Java, backend fundamentals, and clean, maintainable code practices.

Skills & Expertise (17)

Microservices Intermediate
7.6/10
1
Years Exp
Spring Boot Intermediate
7.5/10
1
Years Exp
REST APIs Intermediate
7.5/10
1
Years Exp
Postgresql Intermediate
7.3/10
1
Years Exp
Java Intermediate
7.1/10
1
Years Exp
Mockito JUnit Liquibase Maven AWS GitHub Actions MySql Spring Security JPA Hibernate Spring MVC JavaScript

Work Experience

Backend Engineering Intern

WXIT Consultant Services Pvt Ltd

Feb 2026 - Present

Developed and maintained RESTful APIs using Spring Boot with JWT-based authentication and secure access control. Designed and optimized database queries in PostgreSQL/MySQL, improving data retrieval efficiency and reducing response latency. Worked with AWS services (such as EC2/S3) for deployment, storage, and basic backend infrastructure management. Implemented centralized exception handling and validation mechanisms to ensure robust and reliable backend services. Debugged and resolved backend issues, including data inconsistencies and API response errors in production environments. Applied indexing and query optimization techniques to enhance performance in high-usage modules.

Backend Engineering Intern

Unooma

Jan 2026 - Present

Worked on backend development of a microservices-based property management platform handling property onboarding, tenant lifecycle, and maintenance workflows across multiple modules. Developed and integrated RESTful APIs for core services, ensuring smooth, consistent, and reliable data flow between different microservices. Implemented input validation, authentication, and role-based access control (RBAC) mechanisms to ensure secure and controlled API access. Optimized database queries using indexing, joins, and structured query design to improve API response time and system efficiency. Debugged and resolved backend issues related to API responses, data consistency, and inter-service communication in a microservices environment. Collaborated with team members during development and testing phases to ensure stable, maintainable, and production-ready backend services.

Java, Spring Boot, Microservices

Campusive

Jan 2023 - Jun 2023

Built a STEM-based learning platform as a personal project focused on interactive, hands-on, and problem-solving based learning for students. Designed and developed 5+ microservices using Spring Boot to structure the application into modular, scalable, and loosely coupled components. Implemented RESTful APIs for communication between services, ensuring efficient, consistent, and reliable data exchange across modules. Worked on backend functionalities including API design, service integration, and basic performance optimization for better system responsiveness. Applied clean coding practices and structured project design principles to improve code readability, maintainability, and scalability.

Education

Bachelor of Engineering (B.E) in Computer Engineering - Sambhram Institute of Technology, Visvesvaraya Technological University

- 2022 · Afghanistan

Certifications

No certifications added yet

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 7/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 82/100

Profile Overview

Member sinceMay 2026

Skills (17)

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