Java Developer Stack

Lakshmi Kavya

Full Stack Java Developer Cloud & Microservices AWS Certified

Mail: - ***************@*****.*** Contact: - +1-203-***-**** PROFESSIONAL SUMMARY

Full Stack Java Developer with 5+ years of experience in designing, developing, and deploying enterprise-scale applications across financial services, healthcare, and technology domains. Skilled in Java/J2EE, Spring Boot, Microservices, REST/SOAP services, and implementing OOP principles with design patterns under Agile and Scrum methodologies. Proficient in building cloud-native applications using AWS, Azure, and GCP, leveraging Docker, Kubernetes, and CI/CD pipelines with Jenkins, GitHub Actions, and Travis CI. Experienced in developing dynamic and responsive user interfaces with React.js, Angular, Redux, TypeScript, JavaScript (ES6+), HTML5, and CSS3. Strong background in GraphQL API design, authentication/authorization

(OAuth2, JWT, OpenID Connect), and securing enterprise applications. Adept in working with relational and NoSQL databases, including MySQL, PostgreSQL, Oracle, MongoDB, and Cassandra, while integrating messaging solutions like Kafka and RabbitMQ. Skilled in writing and optimizing unit, integration, and performance tests using JUnit, Mockito, Selenium, and Cypress to ensure quality code delivery. Proven ability to troubleshoot production issues, optimize performance, and deliver scalable, high- performing solutions aligned with U.S. enterprise standards. Recognized as a collaborative team player with strong communication, mentoring, and problem-solving skills, driving successful end-to-end project execution. CORE SKILLS

Languages & Backend: Java 8/11, Spring Boot, Hibernate, REST, SOAP, Microservices, Node.js, Go

Frontend: React.js, Redux, Angular 8–11, TypeScript, JavaScript (ES6+), HTML5, CSS3, Bootstrap, Material UI

Cloud & DevOps: AWS (EC2, S3, RDS, Lambda, CloudFormation), Azure, GCP, Docker, Kubernetes, Jenkins, GitHub Actions, CI/CD

Databases: MySQL, PostgreSQL, Oracle, MongoDB, Cassandra, Amazon RDS

Messaging & Security: Kafka, RabbitMQ, OAuth2, JWT, OpenID Connect

Testing: JUnit, Mockito, Selenium, Cypress, Jest, Jasmine, Postman

Other Tools: Git, Jira, Confluence, Maven, Gradle, IntelliJ PROFESSIONAL EXPERIENCE

Kaiser Permanente – Oakland, CA

Full Stack Java Developer July 2024 – Present

Responsibilities

Designed and developed interactive, responsive web applications using React.js, Angular 11, Redux, JavaScript (ES6+), HTML5, CSS3, and Bootstrap, resulting in a 20% increase in user engagement and 15% faster page load times across devices.

Built and optimized GraphQL APIs to streamline data access, reducing API payload size by 30% and improving client query efficiency.

Developed and deployed high-performance microservices and APIs using Golang, leveraging Docker and Kubernetes for scalable cloud-native solutions.

Integrated AI/ML-powered microservices (document summarization, intelligent search, recommendation systems) using TensorFlow, PyTorch, Scikit-learn to enhance product intelligence.

Designed and implemented Spring Boot and Node.js REST APIs, integrating with AWS (EC2, S3, SQS) and Pivotal Cloud Foundry for scalability and fault tolerance.

Built machine learning models for predictive analytics and classification, collaborating with data teams to ensure 95%+ accuracy on production workloads.

Automated CI/CD pipelines using Jenkins, Maven, and Docker, significantly reducing deployment time and manual errors.

Mentored junior developers on Agile best practices, cloud-native design patterns, and secure API development, improving team delivery speed.

Environment: React.js, Angular 11, Redux, Node.js, Java 8, Spring Boot, Spring MVC, Spring Security, Hibernate, JPA, RESTful Web Services, AWS (EC2, S3, SQS, CloudWatch), Pivotal Cloud Foundry, TIBCO EBX, Oracle, SQL Server, MongoDB, RabbitMQ, Docker, Kubernetes, Maven, Jenkins, JIRA, Selenium, Mocha, Chai, GIT. TBK Bank – Dallas, TX

Full Stack Java Developer Jan 2022 – June 2024

Responsibilities

Designed and developed single-page applications using Angular 10, React.js, and Spring Boot, integrating responsive UI features with secure back-end services, increasing user engagement by 18%.

Built and deployed microservices architecture leveraging Spring Boot, Node.js, and Go, ensuring modular, scalable, and high- performance application delivery with 20% faster release cycles.

Implemented RESTful and GraphQL APIs, optimizing data fetching and reducing API payload size by 25% for client-facing applications.

Integrated AI/ML-based features (recommendation engines and predictive analytics) using TensorFlow, Scikit-learn, enhancing application intelligence and automation.

Implemented secure payment flows using Spring Security, OAuth2, and real-time transaction validation, ensuring PCI-DSS compliance.

Deployed applications on AWS (EC2, RDS, S3) with CI/CD pipelines using Jenkins, Docker, Shell scripting, and Kubernetes, improving deployment efficiency and reliability.

Optimized data storage and analytics using MongoDB, SQL Server, relational database modeling, and reporting tools like SSRS and Power BI.

Enhanced monitoring and debugging by implementing Log4j-based logging, distributed tracing, and proactive issue resolution with tools like Prometheus and Grafana.

Collaborated in Agile/Scrum teams using JIRA for sprint planning, code reviews, and issue tracking, while mentoring team members on cloud-native, GraphQL, and AI-driven development best practices. Environment: AWS, EC2, Angular, Spring Boot, Angular10, Reactive forms, Form Builder, JAX-RS, Spring Boot, Go, HTML5, CSS3, JavaScript, React JS, log4j, MongoDB, Amazon Elastic Compute Cloud (EC2), RDS, Spring MVC, Spring IOC, Spring AOP, Spring JDBC, Java 8, Jenkins, UNIX Shell scripts, RAD JIRA, Git, Maven, WebSphere application server, JUnit. Infor – Hyderabad, India

Java/J2EE Developer June 2020 – Nov 2021

Responsibilities

Designed and developed microservices-based enterprise applications using Java 8, Spring Boot, and REST/GraphQL APIs, improving modularity and reducing deployment time by 25%.

Built responsive SPAs with Angular 8 and React.js, integrating APIs for real-time data exchange and enhancing user engagement by 20%.

Developed and optimized SQL Server queries, stored procedures, and MongoDB aggregation pipelines for hybrid data storage, enabling faster analytics and reporting.

Implemented containerized deployments with Docker and Kubernetes, ensuring portability and seamless application scaling across multiple environments.

Integrated third-party payment gateways and external APIs with secure back-end modules, enhancing workflows and real-time transaction processing.

Automated build, test, and deployment pipelines using Maven, Jenkins, and Git, accelerating release cycles by 15% and ensuring version control best practices.

Applied secure coding standards with Spring Security & OAuth2 to enforce authentication, authorization, and compliance in AWS-hosted services.

Collaborated in Agile/Scrum teams, contributing to sprint planning, code reviews, and architectural improvements while mentoring peers in Go-based microservices and AI/ML-driven analytics integrations. Environment: Agile, HTML 5, CSS, JavaScript, Vue.Js, jQuery, AJAX, Angular 8, XML, JSTL JSP, Java, Spring Frameworks, Hibernate, JDBC, RESTful Web services, SOAP, Jenkins, Maven, Mongo DB, AWS, NoSQL, Log4j,JIRA, LINUX, UNIX, SVN,GIT, Java/J2EE, Servlets, XSLT, Bootstrap, Node-Red, Docker, Postman, Eclipse, Apache Axis, Windows, CVS, Junit, Spring Boot. CERTIFICATION

AWS Certified Developer – Associate

EDUCATION

Master’s in Computer Science – University of South Florida

Contact this candidate