Java Full Stack Engineer - Microservices & Cloud-Native Expert

Charitha Papineni

Java Full Stack Developer

****************@*****.*** +1-469-***-**** Denton, Texas, 76207 LinkedIn GitHub Portfolio SUMMARY

Java Full Stack Developer with 4+ years of experience engineering high-performance, cloud-native applications across diverse business domains. Demonstrated expertise in Java, Spring Boot, React/Angular, and microservices architecture, with a strong focus on building resilient, scalable, and secure enterprise solutions. Proficient in leveraging AWS, Docker, Kubernetes, and CI/CD pipelines to optimize deployment efficiency and system reliability. Skilled in RESTful API design, database optimization (MySQL, PostgreSQL, MongoDB), and performance tuning to enhance application scalability and user experience. Adept at driving full software development lifecycle initiatives within Agile/Scrum environments, seamlessly translating complex requirements into robust technical implementations. SKILLS

Programming Languages: Java (8–21), JavaScript (ES6+), TypeScript, SQL, Python (for scripting/automation), Bash Frameworks & Libraries: Spring Boot, Spring MVC, Spring Cloud, JPA, React.js, Angular, Redux, Node.js, Express.js, Bootstrap, jQuery Web & API Development: RESTful APIs, GraphQL, SOAP, JSON, AJAX, WebSockets, gRPC Databases: MySQL, PostgreSQL, Oracle, MongoDB, Redis, Cassandra, DynamoDB Cloud & DevOps: AWS (EC2, S3, Lambda, RDS, API Gateway, CloudWatch), Azure, Google Cloud Platform (GCP), GitHub Actions, GitLab CI/CD, Terraform, Ansible

Version Control & Collaboration: Git, GitHub, Bitbucket, GitLab, Jira, Confluence, Trello, Agile/Scrum Testing & Quality Assurance: JUnit, Mockito, TestNG, Cucumber (BDD), Postman, Selenium, JMeter, SonarQube Architecture & Design Patterns: Microservices, MVC, MVVM, Domain-Driven Design (DDD), API Gateway, Load Balancing Security & Performance Optimization: Spring Security, OAuth2, JWT, SAML, SSL/TLS, Log4j, SLF4J, ELK Stack (Elasticsearch, Logstash, Kibana), Prometheus, Grafana, New Relic, Application Performance Tuning Data & Messaging Systems: Kafka, RabbitMQ, ActiveMQ, Redis Streams, WebSocket Communication Build, Deployment & Automation Tools: Maven, Gradle, Jenkins, Nexus, Artifactory, Docker Compose, Kubernetes Helm Charts Development & IDE Tools: IntelliJ IDEA, Visual Studio Code, Eclipse, Postman Monitoring & Logging: ELK Stack, Splunk, Prometheus, Grafana, CloudWatch EXPERIENCE

Java Full Stack Developer, Metlife, TX Dec 2024 – Present

• Engineered and supported 6+ internal web applications for claims and policy workflows using Spring Boot and Angular 14, improving data accuracy and process efficiency across 3 key business units.

• Implemented secure RBAC authentication with Spring Security and JWT tokens, cutting unauthorized access incidents by 95% and ensuring uniform authorization policies across policy management systems.

• Built and optimized RESTful APIs for policy lookups and claims, reducing backend latency by 40% via asynchronous request handling and indexing optimization for high-throughput database queries.

• Automated policy document generation using AWS Lambda integrated with S3, removing manual input and cutting document processing time by 70%, improving inter-department data consistency.

• Created extensive unit and integration tests with JUnit 5 and Mockito, achieving 92% test coverage and maintaining production stability through continuous regression testing and CI pipeline automation.

• Containerized backend microservices with Docker and deployed them on AWS EKS using Helm and GitLab CI/CD, enabling consistent rollouts and zero-downtime blue-green deployments.

• Partnered with Agile teams across 10+ biweekly sprints, delivering prioritized feature releases 100% on time while improving system scalability, compliance adherence, and long-term platform maintainability. Java Full Stack Developer, DXC Technology, India Jun 2022 – Jul 2023

• Re-architected and migrated a legacy pension portal from JSP to Angular 12, improving load time by 50% and accessibility for 40,000+ end-users through responsive design enhancements.

• Optimized PostgreSQL queries and redesigned JPA entities, lowering query response time by 30% and enhancing real-time pension transaction throughput across distributed systems.

• Automated 80+ Selenium WebDriver and TestNG test scenarios, saving 25 QA hours per sprint and achieving 95% regression coverage across primary pension management modules.

• Orchestrated CI/CD pipelines via Jenkins, Docker, and Git, enabling consistent multi-environment deployments and shrinking deployment time from 2 hours to under 20 minutes.

• Coordinated with analysts, testers, and developers across 12 Agile sprints, achieving 100% sprint delivery rate and aligning deliverables with key project milestones and client satisfaction metrics.

• Integrated ELK Stack for centralized logging, enabling real-time error visibility and reducing incident resolution time by 40% across distributed microservices.

Software Engineer Associate, Vivma Software Inc., India Jan 2020 – May 2022

• Developed 10+ modular React components for appointment and billing modules, reducing UI build effort by 35% and improving component reuse across 3 healthcare applications.

• Engineered backend services with Node.js and Express to handle 200,000+ daily API requests, maintaining 99.9% uptime and ensuring data integrity in critical patient workflows.

• Integrated MongoDB with Mongoose ORM for medical data storage, achieving 99.9% accuracy across patient and transaction records through schema validation and automated backups.

• Automated API testing using Postman and Newman CLI, identifying 90% of defects before staging and cutting release rollback frequency.

• Configured NGINX reverse proxy with load balancing for microservice APIs, boosting system responsiveness by 45% during concurrent client usage and QA load testing cycles.

• Documented 30+ REST APIs using Swagger and managed version-controlled codebases through GitLab CI/CD, improving traceability and deployment reliability across environments.

EDUCATION

Masters in Information Sciences

Trine University, MI Jan 2024 – May 2025

Bachelors in Electronics and Communication Engineering Malla Reddy Engineering College for Women, Telangana Jun 2018 – May 2022

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