Full Stack Java Developer with AWS & React Expertise

Gayathri Maddukuri

Overland Park, Kansas +1-469-***-**** ******************@*****.***

LinkedIn: https://www.linkedin.com/in/maddukuri-gayathri-3a0831370/ SUMMARY:

Results-driven Full Stack Java Developer with ~4 years of experience designing and delivering scalable, high-performance enterprise applications across banking and healthcare domains. Skilled in architecting RESTful microservices using Java and Spring Boot, and building responsive front-end systems with React, Angular, and TypeScript. Proven ability to optimize application performance, enhance system reliability, and deploy cloud-native solutions using AWS, Docker, and automated CI/CD pipelines. Experienced in Agile environments, collaborating cross-functionally to deliver secure, production-ready software that improves platform scalability, operational efficiency, and user experience. EDUCATION:

• University of Central Missouri - Master of Science in Computer Science Lee’s Summit, MO, USA

• CMR Institute of Technology – Bachelor’s Degree Hyderabad, India CERTIFICATIONS:

• Oracle Certified Java Programmer (OCPJP / OCAJP) – Oracle

• Spring Professional Certification – VMware / Pivotal

• Java EE 7/8 Application Developer – Oracle

• Hibernate ORM Certified Developer

PROFESSIONAL EXPERIENCE:

Cerner Corporation USA Jan 2025 – Present

Java Full Stack Developer

• Engineered and enhanced healthcare platform modules using Java, Spring Boot, Hibernate, and React, improving clinical workflow efficiency and system responsiveness.

• Designed reusable, scalable React + TypeScript component libraries and optimized state management using Redux Toolkit, increasing UI consistency and reducing development time.

• Integrated frontend applications with secure RESTful APIs built on Spring Boot microservices, tested via Postman, reducing integration defects by 22%.

• Optimized frontend performance through lazy loading, code splitting, API caching, and Webpack bundle optimization, achieving an 18% decrease in page load time.

• Collaborated within Agile/Scrum teams using Jira and Git, partnering with UX, QA, and DevOps to deliver production-ready releases.

• Refactored and optimized complex SQL queries (PostgreSQL/MySQL) and assisted with API debugging using logs and monitoring tools, improving backend response time. Wells Fargo USA Jan 2024 – Dec 2024

Java Full Stack Developer

• Engineered enterprise banking features using Spring Boot microservices, Angular, TypeScript, and secure RESTful APIs, ensuring compliance with financial security and scalability standards.

• Implemented JWT authentication, OAuth2, role-based authorization, and input validation following OWASP security practices, reducing vulnerabilities by 30%.

• Optimized frontend performance by modularizing Angular components, RxJS observables, and API caching layers, reducing load times and improving responsiveness.

• Collaborated with DevOps for deployments on AWS (EC2, S3, CloudFormation), Docker containers, and integrated backend services with monitoring tools (CloudWatch, Splunk, ELK) to improve observability and production reliability.

• Improved code quality and reliability by developing JUnit test suites, using Mockito for unit testing, maintaining Git-based CI/CD pipelines (Jenkins/GitHub Actions), and participating in peer code reviews. Nefroverse Technologies India Jan 2020 – Dec 2022 Java Full Stack Developer

• Developed backend services for patient engagement and telehealth modules using Java, Spring Boot, and SQL

(PostgreSQL/MySQL), improving data processing and module reliability.

• Designed and implemented RESTful APIs for patient registration, scheduling, and analytics workflows, tested using Postman and integrated with frontend Angular + TypeScript components.

• Built responsive UI components, enhanced form handling, and implemented client-side validations using Angular, RxJS, HTML5, and CSS3, improving user experience and reducing input errors.

• Participated in debugging, bug-fixing, and release support using Git, Jira, and monitoring/logging tools, improving deployment stability and code reliability.

• Collaborated with senior developers to refactor legacy code, adopt best practices, and enhance overall maintainability, scalability, and testability of healthcare applications using JUnit and Mockito. TECHNICAL SKILLS:

• Frontend: React, Redux, React Hooks, React Native, Angular, AngularJS, Storybook, Material-UI, Figma, TypeScript, JavaScript, SCSS, Webpack, Vite, Bootstrap, UI/UX Prototyping, Accessibility (a11y), Responsive Design

• Backend: Spring Boot, Spring MVC, Spring Security, Spring Framework, Micronaut, Node.js, Express, FastAPI, Django, Flask, JAX-RS, REST APIs, GraphQL, gRPC, ASP.NET Core, .NET Microservices, OAuth2, JWT, Express Middleware

• Microservices & Architecture: Distributed Systems, Event-Driven Architecture, Microservices Architecture, Domain-Driven Design, API Gateway, Load Balancing, Horizontal Scaling, Data Partitioning, Circuit Breakers, Observability, Fault Tolerance, High Availability, Cloud-Native Architecture

• Cloud Platforms: AWS, Google Cloud (GCP), Azure, AWS EKS, Lambda, S3, SNS, SQS, Azure DevOps, Kubernetes

(K8s), K8s Operators, K8s ConfigMaps, K8s Secrets, OpenShift, Docker, Docker Compose, Serverless Computing, IAM, VPC Networking

• Messaging, Streaming & Databases: Apache Kafka, Kafka Connect, Kafka Streams, Spark, Hadoop, Airflow, Cassandra, PostgreSQL, MySQL, SQL Server, Oracle DB, MongoDB, DynamoDB, Redis, ETL Pipelines, Big Data Pipelines, Data Modeling, Vector Databases, Elasticsearch (ELK Stack)

• CI/CD & DevOps: Jenkins, GitHub Actions, GitLab CI, Azure DevOps Pipelines, Maven, Gradle, Artifactory, SonarQube, SonarCloud, Black Duck, Fortify, Twistlock, Declarative Pipelines, ArgoCD, Helm, Terraform, Ansible, Containerization, Automated Pipeline Orchestration

• Observability & Monitoring: Prometheus, Grafana, Kibana, ELK Stack, CloudWatch, New Relic, Dynatrace, Logging, Distributed Tracing, Metrics Dashboards, APM (Application Performance Monitoring)

• Testing & Quality Engineering: JUnit, Mockito, Selenium, Cypress, Postman, X-Ray, Cucumber, JMeter, NUnit, xUnit, Integration Testing, Unit Testing, Load Testing, API Contract Testing, Automated Test Suites, Performance Benchmarking

• Security: Secure SDLC, SAST/DAST (Fortify, Black Duck), OAuth2, JWT, SSO, Okta, Identity & Access Management, Compliance & Risk Controls, API Security

• Tools & Productivity: Git, GitHub, GitLab, VS Code, IntelliJ, Eclipse, Postman, Storybook, JIRA, Confluence, X- Ray, Slack API, Hardware Debugging Tools (JTAG)

• Leadership & Agile Delivery: Agile/Scrum, Sprint Planning, Technical Leadership, Cross-Functional Collaboration, Mentoring Engineers, Stakeholder Communication, Root Cause Analysis (RCA), Incident & Problem Management, Continuous Improvement

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