Full-Stack Java Microservices Developer (Cloud-AWS)

Full Stack Developer with *+ years of experience delivering scalable, cloud-native applications across Java/Spring Boot, Node.js, React, and Python. Skilled in designing event-driven microservices, building REST and GraphQL APIs, and integrating secure, high-performance backend systems with modern frontends. Proficient with AWS and Azure cloud services, containerization (Docker, Kubernetes), Infrastructure as Code (Terraform), and CI/CD automation. Experienced in database design and performance tuning (PostgreSQL, SQL Server, MongoDB), AI/LLM integration (LangChain, vector databases), and Agile delivery practices, with a strong focus on application performance and security.

Technical Skills

•Frontend Technologies: HTML5, CSS3, JavaScript, TypeScript, React.js, Redux, React Hooks, Angular, Vue.js, Bootstrap, AJAX, jQuery, GraphQL

•Backend Technologies: Java, Spring Boot, Spring MVC, Spring Security, Node.js, Express.js, Hibernate, JPA, Microservices, REST, SOAP, Apache Kafka, ActiveMQ, JMS, Maven, Gradle, Log4j, Apache

•Databases: PostgreSQL, MySQL, Oracle, SQL Server, MongoDB, Cassandra, DynamoDB, Vector DBs (Pinecone, FAISS)

•Cloud & DevOps: AWS Lambda, Azure, CI/CD Pipelines

•Testing & Debugging: JUnit, Mockito, Postman, Cypress, Playwright, TDD

•Monitoring: AWS CloudWatch, DataDog, Splunk

Work Experience

Mohawk Industries Java Full Stack Developer Nov 2024 - Present

Key Responsibilities:

•Developed and optimized Java 8 and Spring Boot microservices, following 12-factor app methodology; built secure RESTful APIs with Spring MVC, Jersey, Play Framework, OAuth, handling daily transactions and reducing latency by 35%.

•Integrated Apache Kafka and ActiveMQ (JMS) for asynchronous, event-driven communication, reducing inter-service response times by 25%.

•Built backend automation scripts in Python for ETL and API integrations, increasing data pipeline throughput by 25% and saving 10+ hours/week in manual effort; applied Node.js tools (Grunt, BowerJS, Express) to improve build modularity.

•Implemented dynamic React, HTML, CSS, AJAX, and jQuery features, improving client–server responsiveness and reducing page load times by 20%.

•Integrated customer feedback into UI/UX enhancements, increasing user satisfaction scores by 15% and lowering support tickets by 12%.

•Designed DAO layers with MongoDB, resolving critical Mongo Java driver issues and improving query execution speed by 30%.

•Created and optimized schemas and complex queries for SQL and NoSQL databases (Cassandra, Oracle 9i, MySQL), reducing data retrieval time by 25%.

•Deployed and managed cloud-native applications on PCF and Kubernetes, containerizing services for scalable environments.

•Automated build and deployment pipelines using Maven and Jenkins, reducing release time by 30% and improving deployment reliability.

•Participated in all phases of SDLC using Agile methodologies — requirement gathering, design, development, and testing.

Western & Southern Financial Group Java Full Stack Developer Nov 2023 - Oct 2024

Key Responsibilities:

•Designed and developed Spring Boot 2.0 and Spring REST microservices, handling transactions daily with high availability. Built asynchronous workflows using Kafka, Akka, reactive programming, reducing inter-service latency by 25% and improving throughput.

•Implemented Spark Streaming and Spark SQL pipelines with Scala, increasing real-time data processing speed by 30%. Developed serverless applications with AWS Lambda and API Gateway, cutting infrastructure costs by 15% while ensuring scalability.

•Developed UI components using HTML, Bootstrap, CSS, JavaScript, and AngularJS, improving page load performance by 20% and enhancing accessibility compliance.

•Designed and optimized SQL queries for AWS RDS and on-prem databases, reducing query execution time by 20% and improving report generation speed. Managed Azure RBAC roles (OOB and custom) at subscription/resource levels, improving security governance for 50+ resources.

•Deployed microservices to AWS EC2 and Azure App Service, enabling cross-cloud interoperability for mission-critical services. Built intelligent assistants using LangChain and llamaIndex for knowledge retrieval; applied prompt engineering to improve LLM output accuracy by 15%.

•Automated builds and deployments with Jenkins and GitHub Actions, reducing release cycles from 2 weeks to 1 week. Used Docker to containerize applications, increasing environment consistency and deployment success rate to 99%.

•Applied TDD using JUnit, Mockito, and Postman, achieving 95% unit test coverage and reducing post-deployment defects by 20%. Wrote Python scripts to automate monitoring and data extraction tasks, saving 10+ hours/week of manual effort.

Abbott Laboratories Java Full Stack Developer May 2022 - Jul 2023

Key Responsibilities:

•Designed and developed microservices using Express, Spring Boot, and RESTful/GraphQL/gRPC APIs, improving service response time by 22%. Created and maintained MongoDB collections and backend services using Mongoose API in Node.js, enabling high-volume data retrieval with sub-second latency.

•Implemented Spring IOC Dependency Injection and Java 8 concurrency features, increasing code maintainability and reducing runtime issues by 15%. Built ETL processes to transform and load JSON data into SQL Server tables, streamlining data integration and reducing processing time by 25%.

•Built and maintained Single Page Applications (SPAs) with React, React Native, Vue, and Redux, improving mobile and web performance scores by 18%. Integrated SPAs with backend services, ensuring modular, testable, and maintainable code. Used jQuery to implement dynamic UI features (accordions, drag-and-drop, modals), increasing user engagement by 12%.

•Created optimized SQL stored procedures in IBM DB2 and SQL Server, improving query execution speed by 20%.

•Ensured data accuracy by integrating JASPER reports for validation result tracking. Deployed applications on Pivotal Cloud Foundry (PCF) for high-availability environments.

•Developed AWS SDK integrations with S3, SQS, Glacier, and DynamoDB, improving data backup/retrieval times by 30% and reducing costs by 10%. Applied TDD with JUnit and Mockito, increasing code coverage to 90% and reducing post-release defects by 20%. Automated builds and deployments for microservices, improving release cycle efficiency by 40%.

ICICI Prudential Life Insurance Java Developer Mar 2021 - Apr 2022

Key Responsibilities:

•Built cloud microservices using Spring Boot, Spring Cloud Netflix OSS (Eureka, Circuit Breaker, Ribbon), and Java JDK 1.8, improving system scalability and reducing downtime by 20%. Developed persistence layer using Hibernate and optimized Cassandra/SQL scripts with Scala, reducing query execution time by 25%.

•Designed and implemented RESTful microservices integrated with Oracle and ActiveMQ JMS, enabling asynchronous, fault-tolerant communication between systems. Automated validation services using Spring validations and generated JASPER reports, improving QA efficiency by 30%.

•Designed and implemented applications with ReactJS, HTML5, CSS3, TypeScript, and Bootstrap, improving UI responsiveness by 18%. Built UI components with JavaScript and JSON to interact with RESTful APIs, enhancing data rendering performance by 15%.

•Developed web applications with Ember.js, CodeMirror, and Brackets, delivering interactive features aligned with business requirements.

•Managed MongoDB document storage (CRUD operations) and optimized queries to reduce retrieval latency by 20%. Integrated Oracle database operations with microservices for secure, high-volume data processing. Worked with Amazon S3 for secure storage, backup, and retrieval, reducing file access latency by 15%.

•Managed Git repositories and collaborated in Agile Scrum/Kanban environments for iterative delivery. Applied JUnit unit testing and integration testing, achieving 85% code coverage and reducing production defects by 15%. Modified and optimized Unix shell scripts to automate daily workflows, decreasing manual intervention by 25%.

Education

• Master’s in computer science from University of Cincinnati, USA

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