Stack Developer Senior Java

Siva S Gangireddy

Email: *********@*****.*** Phone: +1-530-***-****

SUMMARY

Experienced Senior Java Full Stack Developer with over 10 years of expertise in designing, developing, and deploying scalable microservices and cloud-based applications, particularly in the banking, finance, and enterprise sectors. Specialized in building high-performance REST APIs, optimizing system security, and ensuring compliance with industry standards such as PCI DSS. Proficient in modern technologies including Spring Boot, AWS, GCP, Docker, Kubernetes, and DevOps tools, with a strong focus on application security and performance optimization. Proven ability to deliver reliable, secure, and efficient solutions in regulated environments, driving operational excellence and business growth.

TECHNICAL SKILLS

Category

Technologies

Languages

Java/J2EE, Python, SQL, Groovy

Databases

DB2, PostgreSQL, MySQL

Caching

Redis, Caffeine

Frameworks

Spring Boot, Spring Cloud, Spring WebFlux, Hibernate, JUnit, RESTful Web Services, GraphQL, JAXB, Spring Data JPA

Cloud & Containerization

AWS, Google Cloud Platform (GCP), Docker, Kubernetes, Pivotal Cloud Foundry (PCF)

Messaging & Streaming

Kafka, JMS, ActiveMQ

CI/CD & DevOps

Jenkins, Gradle, Maven, Nexus, SonarQube, GitLab, Bitbucket, Kubernetes

Web Technologies

Angular 9, HTML5, CSS3, JavaScript, JQuery, Bootstrap

Monitoring & Logging

Dynatrace, AppDynamics, Kibana, Grafana

Version Control

GitLab,GitHub,SVN

Others

Postman, SoapUI, Swagger, JIRA, Confluence, AppSec (Silver & Bronze Titan Certified), API Security

PROFESSIONAL EXPERIENCE

Senior Java Full Stack Developer Macys

May 2022 – Present

Project: Pricing (Finance Domain)

•Spearheaded the migration of Pinnacle Accounting Services from Pivotal Cloud Foundry (PCF) to Google Cloud Platform (GCP), ensuring zero downtime and enhanced system performance across North America and Europe.

•Developed REST APIs and microservices using Spring Boot to streamline customer transactions, payments, and disbursements, enhancing data exchange for financial applications.

•Leveraged Kafka for real-time event streaming and Redis for caching, improving system responsiveness and data retrieval speeds within the finance sector.

• Implemented Tekton CI/CD pipelines to streamline deployments and reduce operational costs.

• Ensured robust application security and compliance with GDPR, PCI DSS, and other financial standards.

•Led code reviews and mentored junior developers on REST API design and security best practices.

•Migrated production infrastructure to Google Cloud Platform (GCP) using Terraform and Spinnaker.

•Developed CI/CD pipelines integrating security tools (SonarQube, Snyk) to improve deployment quality.

•Collaborated with the Catalog Common Service Team to deploy catalog services into Google Cloud Kubernetes clusters by modularizing applications into microservices.

•Built and maintained Docker container clusters managed by Kubernetes on GCP.

Technologies: Java, Spring Boot, Kafka, Redis, GCP, Tekton, Jenkins, Docker, Pub/Sub, Dynatrace, SonarQube, AppSec.

Senior Java Full Stack Developer DBS Bank (Finance Domain)

April 2017 – May 2022

Project: Digi Portfolio Application

•Developed and optimized 15+ Spring Boot microservices for portfolio management and trading operations, resulting in a 40% reduction in response times.

• Played a critical role in integrating ETF and UT funds with JPMorgan Chase & Co., enhancing the accuracy of financial transactions.

• Led the migration of financial applications to Spring Boot 3 and Java 17, ensuring system performance improvements, compatibility, and enhanced maintainability.

• Designed REST APIs to improve frontend-backend communication, ensuring seamless financial transactions.

• Utilized Redis caching and optimized SQL queries to boost API performance, cutting processing times by 30%.

• Enhanced security protocols, including OWASP security principles and regular penetration testing, reducing vulnerabilities by 25%.

• Implemented Test-Driven Development (TDD) and CI/CD pipelines with Jenkins for fast and reliable code deployment.

Technologies: Java, Spring Boot, Angular 9, Kafka, Redis, AWS, GCP, PCF, Jenkins, SonarQube, AppDynamics, PCI DSS, Application Security.

Senior Java Full Stack Developer eBay

May 2016 – March 2017

Project: One Validation

•Designed and developed a Spring Boot application for managing vehicle prototype testing data, optimizing reporting accuracy and efficiency.

•Migrated applications from AWS to GCP, improving system reliability and reducing operational costs by 20%.

•Used Redis caching to improve application speed and user experience.

•Collaborated with product teams to define feature requirements, delivering software that exceeded business expectations.

•Streamlined operational tasks with Bash and Python scripting, increasing team efficiency by 40%.

•Conducted security assessments and implemented encryption for S3 buckets and RDS instances.

•Migrated legacy systems to AWS, ensuring minimal downtime and improved performance.

Technologies: Java, Spring Boot, AWS, GCP, Redis, OAuth2, Docker, Kubernetes, Angular 9, Maven.

Java Developer ZenQ

December 2012 – February 2015

Project: Price Translator, Waybill 2.0

•Developed key components for Price Translator and Waybill 2.0, streamlining rail cargo movement through integration with legacy systems.

•Migrated legacy mainframe systems to Java-based solutions, improving system maintainability and functionality.

• Developed RESTful web services and integrated JMS messaging for seamless data exchange between internal systems.

•Followed TDD practices using JUnit and Mockito to ensure high-quality code.

•Maintained and optimized source control systems (SVN, Git) for multi-project repositories.

•Developed automation scripts for Maven builds, improving build process reliability.

•Established an end-to-end build and release process with rollback capabilities.

•Integrated Jenkins pipelines with Jira for enhanced traceability of development workflows.

Technologies: Java, Spring Boot, JMS, Hibernate, DB2, Jenkins, Gradle, RESTful APIs.

EDUCATION & CERTIFICATIONS

Master’s in Computer Science – Completed in 2016

Bachelor of Technology in Computer Science – Completed in 2012

AppSec Certifications: Silver & Bronze Titan Certified

AWS Certified Solutions Architect – 2022

Certified Kubernetes Administrator (CKA) – 2022

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