Senior Full-Stack Java Developer (5+ yrs)

Vamsikrishna Reddy

****************@*****.*** +1-913-***-**** United States LinkedIn

Summary

Full-Stack Java Developer with 5+ years of experience designing and delivering scalable, cloud-native enterprise applications in high-availability environments. Strong expertise in Spring Boot, Microservices, and Reactive WebFlux systems, with deep hands-on experience in Apache Kafka–driven event architectures. Proven track record of delivering 99.99% uptime systems, reducing latency by 30–40%, and leading end-to-end development across AWS, Kubernetes, and CI/CD ecosystems in regulated financial domains.

Experience

Wells Fargo – Kansas City, MO

Full Stack Java Developer Jan 2024 – Present

Architected and deployed high-throughput reactive microservices using Spring Boot WebFlux, sustaining 99.99% uptime for real-time financial transaction systems handling millions of daily events.

Modernized monolithic banking services into Kafka-based event-driven microservices, reducing inter-service latency by 35% and improving system scalability.

Designed secure REST and GraphQL APIs with optimized request handling, increasing transaction processing speed by 40%.

Implemented zero-trust API security using Spring Security (OAuth2, JWT, RBAC), strengthening authentication and reducing vulnerability exposure pre-release.

Engineered resilient data layers using Spring Data JPA and MongoDB, performing schema migrations and query tuning with zero production downtime.

Automated CI/CD pipelines using Jenkins, Docker, Kubernetes (EKS), and Maven, accelerating deployment frequency by 30% and reducing rollback incidents.

Conducted JVM tuning, thread optimization, and performance profiling, eliminating production bottlenecks and increasing throughput under peak loads.

Maintained 95%+ unit test coverage using JUnit and Mockito, enforcing quality gates and peer-review standards within Agile sprints.

Accenture – Hyderabad, India

Software Engineer Jul 2020 – Dec 2022

Developed modular Spring Boot microservices for enterprise clients, improving feature delivery speed by 50% through domain-driven architecture.

Implemented asynchronous communication using Kafka and RxJS, enhancing UI responsiveness by 80% and reducing blocking operations.

Optimized PostgreSQL and NoSQL schemas with JPA and indexing strategies, reducing query latency by 25% across high-volume services.

Built and maintained CI/CD pipelines with Jenkins, Docker, and Maven, improving release consistency and eliminating manual deployment errors.

Designed monitoring dashboards using AWS CloudWatch and ELK Stack, reducing incident resolution time by 40%.

Collaborated in Agile Scrum teams, contributing to sprint planning, code reviews, and production support for mission-critical applications.

Key Technical Skills

Languages: Java 8/11/17 SQL JavaScript TypeScript Backend & APIs: Spring Boot Spring MVC Spring WebFlux Hibernate/JPA Microservices REST GraphQL Apache Kafka RabbitMQ Spring Security

Frontend: React.js Angular Redux HTML5 CSS3 Tailwind CSS Databases: PostgreSQL MySQL Oracle MS SQL Server MongoDB DynamoDB Cloud & DevOps: AWS (EC2, S3, RDS, EKS, Lambda, SQS/SNS, IAM) Docker Kubernetes Jenkins GitHub Actions Terraform

Testing & Tools: JUnit Mockito Spring Test Jest Maven Gradle Linux Git Jira Postman SonarQube Education

Master of Science in Computer Science

University of Missouri – Kansas City, MO

Bachelor of Technology in Computer Science & Engineering MLR Institute of Technology, India

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