Vivek Kumar

Designed and developed RESTful Microservices using Java 17 and Spring Boot, reducing API response times by 35% through optimized query design and caching strategies. Implemented JWT-based authentication and Role-Based Access Control (RBAC) using Spring Security across microservices, eliminating unauthorized access incidents and strengthening application security in production. Developed frontend features using React.js, consuming REST APIs and improving user-facing dashboard responsiveness and UX.

Software Developer at OpSec Security (2024-10 – Present)

• Designed and developed RESTful Microservices using Java 17 and Spring Boot, reducing API response times by 35% through optimized query design and caching strategies.
• Implemented JWT-based authentication and Role-Based Access Control (RBAC) using Spring Security across microservices, eliminating unauthorized access incidents and strengthening application security in production.
• Developed frontend features using React.js, consuming REST APIs and improving user-facing dashboard responsiveness and UX.
• Actively participated in Agile sprints, code reviews, and architectural discussions — consistently delivering features on schedule with high code quality

Application Development Analyst at ACCENTURE (2021-01 – 2024-02)

• Designed and developed RESTful Microservices using Java 17 and Spring Boot, reducing API response times by 35% through optimized query design and caching strategies.
• Implemented JWT-based authentication and Role-Based Access Control (RBAC) using Spring Security across microservices, eliminating unauthorized access incidents and strengthening application security in production.
• Built and maintained CI/CD pipelines with Jenkins, integrating automated testing, Docker builds, and K8s rollouts to achieve zero-downtime releases.
• Provisioned cloud infrastructure on AWS (EC2, IAM, S3) using Terraform, cutting manual provisioning effort by 60% and enabling repeatable IaC workflows.
• Developed frontend features using React.js, consuming REST APIs and improving user-facing dashboard responsiveness and UX.
• Actively participated in Agile sprints, code reviews, and architectural discussions — consistently delivering features on schedule with high code quality

Bachelor of Engineering – Dayananda Sagar College Of Engineering (2016-08 – 2020-05)