Java Full Stack Engineer AWS Microservices, Frontend, CI/CD

YASWANTH KUMAR MACHAVARAPU

Seattle, WA +1-253-***-****

SUMMARY

Dynamic and results-driven Java Full Stack Developer with 4+ years of hands-on experience designing, developing, and deploying scalable enterprise applications using Java 17, Spring Boot 3, Microservices, React.js, and Angular across healthcare and technology domains. Proven success building cloud-native distributed systems on AWS with strong focus on CI/CD automation (Docker, Terraform, GitHub Actions, Jenkins), performance optimization, and API-driven integration. Experienced in Kafka-based event streaming, Redis caching, and relational/non-relational database design (PostgreSQL, MySQL, MongoDB) to improve high-volume data processing and application throughput. Adept at implementing secure solutions using Spring Security, OAuth2, JWT, and driving high code quality using TDD/BDD

(JUnit, Mockito, Selenium). Strong collaborator in Agile/Scrum environments with a track record of improving deployment frequency, reducing defects, and delivering user-centric frontend features leveraging TypeScript, Redux Toolkit, Material-UI, and CSS frameworks. SKILLS

Programming Languages: Java 17+, JavaScript (ES6+), TypeScript, SQL, Python, C# Front-End Technologies: React.js, Angular 17, Next.js, HTML5, CSS3, Tailwind CSS, Bootstrap, Material-UI, Redux Toolkit, AJAX Back-End Technologies: Spring Boot 3, Spring MVC, Spring WebFlux, Spring Security, Spring Cloud, Hibernate, J2EE, RESTful & GraphQL APIs, gRPC, WebSockets, Microservices Architecture Cloud & DevOps: AWS (Lambda, ECS, EKS, S3, RDS, API Gateway), Azure (AKS, Functions), Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, CI/CD Pipelines

Databases & Messaging: PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Cassandra, Redis, DynamoDB, RabbitMQ, Apache Kafka

Testing & Quality Engineering: JUnit 5, Mockito, Selenium, Cucumber, Postman, Swagger/OpenAPI, SonarQube, TDD/BDD Monitoring & Observability: Prometheus, Grafana, ELK Stack, OpenTelemetry, Splunk, AppDynamics Development Tools: Git, GitLab, GitHub, Maven, Gradle, Jira, Confluence, Nginx Operating Systems: Windows, Linux

EXPERIENCE

Cardinal Health, USA Jan 2025 – Present

Java Full Stack Developer

• Designing and building high-performance microservices using Java 17, Spring Boot 3, Spring Cloud and RESTful APIs, driving a 30% improvement in transaction throughput and backend scalability.

• Developing enterprise-grade front-end modules with React.js, TypeScript, Redux Toolkit, and Material-UI, enhancing user workflows and accelerating product delivery by 25%.

• Implementing event-driven architecture using Apache Kafka and Redis caching for real-time data propagation — reducing latency and system load by up to 40%.

• Managing automated deployments to AWS EKS leveraging Docker, Terraform, GitHub Actions CI/CD, cutting deployment turnaround time in half while improving environment consistency.

• Securing enterprise authentication via Spring Security, OAuth2, and JWT, ensuring audit compliance and preventing recurrence of high-severity access vulnerabilities.

• Enhancing platform reliability and diagnosability through Prometheus, Grafana, and ELK Stack, reducing MTTR by 25% and improving system uptime and incident response efficiency.

• Following Agile SCRUM rituals including sprint planning, backlog refinement, and cross-team demos to ensure alignment on enterprise modernization initiatives.

Hexaware Technologies, India Jan 2021 - Aug 2023

Java Full Stack Developer

• Developed scalable Spring Boot-based microservices integrated with MySQL, MongoDB, enabling flexible data retrieval for 15+ enterprise modules with improved reliability and maintainability.

• Engineered responsive UI screens using Angular 17, HTML5, CSS3, Bootstrap, improving usability metrics and reducing UI-related defects by 30%.

• Modernized legacy modules into Docker + Kubernetes microservices architecture, improving application release frequency from monthly weekly while reducing downtime risks.

• Built robust CI/CD workflows using Jenkins, automated testing gates, and containerized pipelines — increasing deployment success rate to 99%.

• Optimized SQL queries and implemented Redis caching, improving critical transaction response times by 25% and reducing database load under peak usage.

• Improved software quality with JUnit, Mockito, Selenium, Cucumber, maintaining 80%+ code coverage and reducing manual regression effort by 50% across releases.

EDUCATION

Master of Science, Computer Science June 2025

Seattle University Seattle, Washington

Bachelor of Technology, Computer Science and Engineering June 2022 Devineni Venkata Ramana & Dr. Hima Sekhar MIC College of Technology India *************@*****.*** LinkedIn

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