Senior Java Full-Stack Developer with Cloud & Microservices

Kethan Patel

Senior Java Full Stack Developer

Email: **********@*****.*** Phone: +1-337-***-**** LinkedIn : linkedin.com/in/kethanp

Professional Summary

Results-driven Senior Java Full Stack Developer with 5+ years designing and implementing enterprise-scale applications across Financial Services, Healthcare, and Retail sectors. Proven expertise in Java, Spring Boot, React, Angular, and microservices architecture with demonstrated success building scalable full-stack solutions serving millions of users. Strong proficiency in cloud platforms (AWS, Azure), modern frontend frameworks, and DevOps practices with track record delivering high-performance applications. Skilled in Agile methodologies with ability to collaborate across teams translating business requirements into robust technical solutions.

Technical Skills

Programming Languages: Java (8, 11, 17), JavaScript, TypeScript, Python, SQL

Backend Technologies: Spring Boot, Spring Cloud, Spring MVC, Spring Security, Spring Data JPA, Hibernate, JPA

Frontend Technologies: React, Angular, Vue.js, HTML5, CSS3, JavaScript (ES6+), TypeScript, Redux, RxJS

Microservices & APIs: RESTful APIs, GraphQL, gRPC, Microservices Architecture, API Gateway, Service Mesh

Databases: PostgreSQL, MySQL, Oracle, MongoDB, Redis, Cassandra, DynamoDB, SQL Server

Cloud Platforms - AWS: EC2, S3, Lambda, RDS, ECS, EKS, CloudWatch, API Gateway, DynamoDB

Cloud Platforms - Azure: App Service, Functions, Blob Storage, Azure SQL, Service Bus, AKS, DevOps

Message Queues: Apache Kafka, RabbitMQ, AWS SQS, Azure Service Bus, ActiveMQ

DevOps & CI/CD: Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, Terraform, Ansible

UI Frameworks: Bootstrap, Material-UI, Ant Design, Tailwind CSS, SASS, LESS

Testing Frameworks: JUnit, Mockito, Jest, React Testing Library, Cypress, Selenium, TestNG

Build Tools: Maven, Gradle, Webpack, npm, Yarn

Version Control: Git, GitHub, GitLab, Bitbucket

Methodologies: Agile/Scrum, Kanban, TDD, CI/CD, Microservices, MVC

Professional Experience

American Express Aug 2024 – Present

Senior Java Full Stack Developer Phoenix, AZ

•Designed and developed full-stack applications for credit card and payment processing systems using Java 17, Spring Boot, and React serving millions of cardholders globally.

•Built scalable microservices architecture using Spring Cloud implementing service discovery, load balancing, and circuit breaker patterns handling high-volume financial transactions.

•Developed responsive frontend applications using React, Redux, and TypeScript creating intuitive user interfaces for account management, transaction monitoring, and rewards programs.

•Implemented RESTful APIs and GraphQL services for payment processing, fraud detection, and customer data management ensuring secure and efficient data exchange.

•Designed and optimized database schemas on PostgreSQL and Oracle implementing complex queries, stored procedures, and indexing strategies improving query performance.

•Integrated security features using Spring Security, OAuth 2.0, and JWT implementing multi-factor authentication and role-based access control ensuring PCI-DSS compliance.

•Built real-time notification systems using Kafka and WebSockets delivering instant transaction alerts, fraud notifications, and account updates to customers.

•Implemented CI/CD pipelines using Jenkins, Docker, and Kubernetes on AWS automating build, testing, and deployment processes enabling continuous delivery.

•Collaborated with product managers, UX designers, and backend teams in Agile environment delivering features iteratively with high quality standards.

Tech Stack: Java 17, Spring Boot, React, Redux, TypeScript, PostgreSQL, Oracle, Kafka, AWS (ECS, RDS, S3), Docker, Kubernetes, Jenkins, Microservices.

Centene May 2021 – Aug 2023

Java Full Stack Developer St. Louis, MO

•Developed full-stack healthcare applications for member enrollment, claims processing, and provider management using Java 11, Spring Boot, and Angular.

•Built RESTful APIs and backend services for healthcare data integration connecting eligibility systems, claims platforms, and pharmacy benefits management.

•Designed responsive web applications using Angular, TypeScript, and RxJS creating user-friendly interfaces for member portals and administrative dashboards.

•Implemented microservices architecture using Spring Cloud with service discovery, API gateway, and distributed tracing improving system scalability and maintainability.

•Developed database solutions on SQL Server and MongoDB creating normalized schemas, complex queries, and optimizing performance for healthcare data.

•Implemented HIPAA-compliant security measures using Spring Security ensuring encryption, access controls, and audit logging for PHI data protection.

•Built real-time data processing pipelines using Kafka for claims adjudication, eligibility verification, and authorization workflows.

•Created comprehensive unit and integration tests using JUnit, Mockito, and Jasmine maintaining high code coverage and ensuring application quality.

•Participated in Agile ceremonies including sprint planning, daily standups, and retrospectives delivering healthcare solutions on schedule.

Tech Stack: Java 11, Spring Boot, Angular, TypeScript, RxJS, SQL Server, MongoDB, Kafka, Azure, Docker, Jenkins, Healthcare, HIPAA.

Lowe’s June 2019 – May 2021

Java Full Stack Developer Mooresville, NC

•Developed e-commerce platform features and backend services for online retail operations using Java 8, Spring Framework, and React.

•Built RESTful web services for product catalog, shopping cart, order processing, and inventory management serving millions of retail customers.

•Created responsive frontend components using React, JavaScript, and CSS3 implementing product search, filtering, and checkout workflows.

•Designed database schemas on MySQL implementing efficient data models for products, orders, customers, and inventory management.

•Implemented payment gateway integration and order fulfillment services using Spring Boot ensuring secure transaction processing and order tracking.

•Developed search functionality using Elasticsearch providing fast and relevant product search with faceted navigation and auto-suggestions.

•Built caching strategies using Redis improving application performance and reducing database load for frequently accessed product data.

•Implemented authentication and authorization using Spring Security and JWT ensuring secure access to customer accounts and admin features.

•Collaborated with cross-functional teams including frontend developers, QA engineers, and product owners delivering retail solutions in Agile environment.

Tech Stack: Java 8, Spring Framework, Spring Boot, React, JavaScript, MySQL, Redis, Elasticsearch, AWS, Maven, Git, E-commerce.

Education

Master of Science in Computer Science

Bachelor of Technology in Computer Science and Engineering

2015 – 2019

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