Senior Java Developer with Spring & Cloud Expertise

SHIVAKUMAR

GUJJARI

Sr JAVA DEVELOPER

**********.*******@*****.***

469-***-****

Little Elm, TX

EDUCATION

Bachelor of Technology

Bachelor of Technology

August 2006

SKILLS

JAVA/J2EE

Spring Boot

Hibernate

Spring

Amazon EC2

Struts

AWS Lambda

Amazon S3

Amazon RDS

Amazon SQS

Jenkins

JSP

JQUERY

Git

Oracle/MYSQL

PostgreSQL/Casandra

Apache Tomcat

Maven

Splunk

JavaScript

CAREER OBJECTIVE

Senior Java Developer with extensive experience in Java Spring Boot and cloud services, known for delivering scalable microservices and improving application security. Skilled in collaborating with cross-functional teams to drive project success using agile methodologies and effective communication. Dedicated to upholding high software quality standards.

WORK EXPERIENCE

Sr Java developer

IKCON Technologies (Client: Albertsons Companies, Inc) Sep 2024 - Dec 2025 Plano, Texas

Led Agile Scrum processes to oversee the software development lifecycle, collaborating with a team of 10 developers to conduct code reviews and enforce Git best practices.

Designed and developed RESTful Microservices using Java 17/21, Spring Boot, MSSQL, and Maven; containerized and deployed applications on Microsoft Azure using Docker.

Integrated Apache Kafka for event-driven architecture by consuming and producing streaming messages between services; implemented secure inter-service communication using OAuth2 with Spring Security. Monitored performance of 10+ cloud services with Grafana, optimizing configurations in YAML, resulting in a improvement in service uptime. Developed and executed JUnit test cases, resolved application vulnerabilities(Veracode), and actively collaborated on requirements and debugging in a fast-paced Agile team.

Lead Java Developer

iSpace, Inc (Client: CapitalOne)

Jan 2013 - May 2024 Plano, Texas

Designed and led the deployment of RESTful microservices using Java 8 and Spring Boot.

Engineered real-time, event-driven systems by producing and consuming messages via Apache Kafka; built resilient backend APIs integrated with AWS Lambda, and managed file storage and retrieval using Amazon S3 and Sterling Integrator.

Developed backend APIs using AWS Lambda for a high-traffic application, ensuring seamless file storage management via Amazon S3. Containerized and deployed 10+ microservices on AWS EC2 using Docker, Terraform, and YAML automation, enhancing system scalability. Implemented robust monitoring and logging solutions using AWS CloudWatch, enhancing application performance insights for critical services.

Participated in Agile development lifecycle, facilitating Sprint Planning and Retrospectives for a team of 10, improving collaboration and delivery speed.

Java Developer

iSpace, Inc (Client: U.S. Securities and Exchange Commission) Jan 2017 - Apr 2017 Washington, DC

Developed a web-based enterprise application using Struts Framework with MVC architecture, enhancing maintainability and resulting in a 30% reduction in bug reports.

Developed and maintained robust features using Java, ReactJS, JSP, Servlets, and Enterprise Java Beans (EJBs) for seamless front-to-backend integration. Developed XML-based object-relational mapping for Java, enhancing data persistence workflows with Sybase and reducing processing time by 30%. Designed and validated rich front-end components using JavaScript, AJAX, and jQuery, delivering dynamic and interactive user experiences. Developed 50+ comprehensive unit tests and conducted integration testing using JUnit to ensure application reliability in multi-tier environments. Java Developer

iSpace, Inc (Client: Deloitte)

Mar 2013 - Dec 2016 Mechanicsburg, PA

Developed over 30 dynamic web pages using Spring MVC and JSP, improving load times by 20% while ensuring maintainability. Developed modular EJB components for business logic and validation, improving application scalability and reducing code redundancy by 30%. Designed and validated responsive front-end interfaces using JavaScript, AJAX, and jQuery for seamless user interactions.

Configured Oracle 11g database connectivity, resolved 50+ bugs tracked through JIRA and ClearQuest, enhancing project delivery timelines. Worked closely with a team of 5 business analysts to gather requirements and designed 10+ JSPs for Data Entry, Back-End, and Service Delivery modules, enhancing user navigation time by 15%.

Managed build releases and resolved production blockers during deployments, ensuring timely software delivery for critical applications. Tracked and resolved production issues by analyzing root causes and implementing fixes, ensuring timely releases and product stability. Module Lead

Planet Online Pvt. Ltd.

Jun 2007 - Dec 2012 Hyderabad, Telangana

Developed and maintained front-end and business layers for 5+ applications using Struts and Hibernate ORM, improving integration and performance across all tiers.

Led Agile software development lifecycle, utilizing paired programming and TDD to enhance code quality and streamline testing phases. Created 10+ UML diagrams, including use case and class diagrams, and enhanced data access by implementing Hibernate for Java object-relational mapping.

Developed web-tier components using the MVC design pattern with Struts, enhancing application performance and user experience for 100,000+ users.

Developed SOA-based web services with SOAP and Apache Axis, creating a

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