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I am a seasoned Full Stack Java Developer with 11+ years delivering scalable, high-performance enterprise applications. I specialize in Java (8–21), Spring Boot, microservices, Kubernetes, and cloud platforms such as AWS, GCP, and PCF. I enjoy building modern front-ends with Angular and React while designing secure, cloud-native systems using OAuth2 and JWT, CI/CD pipelines, and event-driven architectures with Kafka and RabbitMQ. I have a proven track record of modernizing legacy systems, optimizing performance, and leading cross-functional teams in Agile environments. I thrive on increasing reliability, reducing deployment and security incidents, and mentoring engineers to write clean, testable code. I’m always exploring new technologies and applying them to solve complex business problems across Banking, Healthcare, Cybersecurity, and Transportation.…I am a seasoned Full Stack Java Developer with 11+ years delivering scalable, high-performance enterprise applications. I specialize in Java (8–21), Spring Boot, microservices, Kubernetes, and cloud platforms such as AWS, GCP, and PCF. I enjoy building modern front-ends with Angular and React while designing secure, cloud-native systems using OAuth2 and JWT, CI/CD pipelines, and event-driven architectures with Kafka and RabbitMQ. I have a proven track record of modernizing legacy systems, optimizing performance, and leading cross-functional teams in Agile environments. I thrive on increasing reliability, reducing deployment and security incidents, and mentoring engineers to write clean, testable code. I’m always exploring new technologies and applying them to solve complex business problems across Banking, Healthcare, Cybersecurity, and Transportation.

Krishna Chaitanya Doppalapudi

Full Stack Developer, Web Developer, Back-End Developer, +2

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I am a seasoned Full Stack Java Developer with 11+ years delivering scalable, high-performance enterprise applications. I specialize in Java (8–21), Spring Boot, microservices, Kubernetes, and cloud platforms such as AWS, GCP, and PCF. I enjoy building modern front-ends with Angular and React while designing secure, cloud-native systems using OAuth2 and JWT, CI/CD pipelines, and event-driven architectures with Kafka and RabbitMQ. I have a proven track record of modernizing legacy systems, optimizing performance, and leading cross-functional teams in Agile environments. I thrive on increasing reliability, reducing deployment and security incidents, and mentoring engineers to write clean, testable code. I’m always exploring new technologies and applying them to solve complex business problems across Banking, Healthcare, Cybersecurity, and Transportation.…I am a seasoned Full Stack Java Developer with 11+ years delivering scalable, high-performance enterprise applications. I specialize in Java (8–21), Spring Boot, microservices, Kubernetes, and cloud platforms such as AWS, GCP, and PCF. I enjoy building modern front-ends with Angular and React while designing secure, cloud-native systems using OAuth2 and JWT, CI/CD pipelines, and event-driven architectures with Kafka and RabbitMQ. I have a proven track record of modernizing legacy systems, optimizing performance, and leading cross-functional teams in Agile environments. I thrive on increasing reliability, reducing deployment and security incidents, and mentoring engineers to write clean, testable code. I’m always exploring new technologies and applying them to solve complex business problems across Banking, Healthcare, Cybersecurity, and Transportation.

Available to hire

I am a seasoned Full Stack Java Developer with 11+ years delivering scalable, high-performance enterprise applications. I specialize in Java (8–21), Spring Boot, microservices, Kubernetes, and cloud platforms such as AWS, GCP, and PCF. I enjoy building modern front-ends with Angular and React while designing secure, cloud-native systems using OAuth2 and JWT, CI/CD pipelines, and event-driven architectures with Kafka and RabbitMQ.

I have a proven track record of modernizing legacy systems, optimizing performance, and leading cross-functional teams in Agile environments. I thrive on increasing reliability, reducing deployment and security incidents, and mentoring engineers to write clean, testable code. I’m always exploring new technologies and applying them to solve complex business problems across Banking, Healthcare, Cybersecurity, and Transportation.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Sr. Java Full Stack Developer at Fifth Third Bank

December 1, 2023 - Present

Led the development of 12+ Spring Boot 3 microservices using Java 21, delivering a 25% faster API response and enabling scalable digital banking capabilities. Built secure REST APIs with OAuth2 and JWT, achieving a 30% reduction in security incidents. Deployed services on AWS ECS and Lambda with Aurora PostgreSQL, maintaining 99.9% uptime. Automated infrastructure with Terraform and improved deployment consistency through Kubernetes and Helm. Optimized JVM performance to reduce latency by 20–30%. Integrated third-party FinTech APIs to expand digital banking features. Tools: AWS, Kubernetes, Helm, Terraform, Jenkins, Kafka, RabbitMQ.

Java Full Stack Developer at Optum Rx

September 1, 2021 - December 1, 2023

Developed Java 17 microservices using Spring Boot and WebFlux to handle 1M+ requests/day, enabling a scalable Pharmacy Benefit Management platform. Migrated Angular 12→14, reducing frontend load times by ~40%. Automated deployments with Helm + Jenkins, lowering deployment errors. Deployed microservices on AWS ECS, Lambda, Aurora, and MongoDB. Integrated with COBOL/CICS systems for backward compatibility. Achieved 95%+ test coverage with JUnit, Mockito, Selenium, supporting robust release cycles.

Java Full Stack Developer at Palo Alto Networks

April 1, 2019 - August 1, 2021

Built secure microservices using Java 8/11, Spring Boot, and Spring Cloud; delivered modular backend for a cybersecurity threat intelligence platform. Developed UIs with Angular 7/8, TypeScript, and Bootstrap. Deployed applications via AWS ECS + Jenkins, reducing deployment errors by 90%. Implemented OAuth2/JWT security, Hibernate optimizations, and API documentation with Swagger to improve maintainability and performance.

Java Full Stack Developer at Southwest Airlines

September 1, 2017 - March 1, 2019

Built microservices using Spring Boot with GCP GKE deployments. Implemented Google Pub/Sub for event-driven workflows. Developed React 17 frontends with Material-UI + Tailwind. Achieved 95%+ test coverage via JUnit, Mockito, Selenium, and improved throughput through DB optimization.

Java Developer at Federal Home Loan Bank of Atlanta

December 1, 2015 - August 1, 2017

Developed SOAP/REST services using JAX-WS, Axis, JAX-RS. Integrated AngularJS frontends and RabbitMQ for asynchronous communication. Used Hibernate/JDBC with PostgreSQL & SQL Server. Improved backend integration efficiency by 30%.

Java Developer at Global Payments

April 1, 2014 - November 1, 2015

Built secure payment components using Java, Servlets, JSP, and Hibernate. Developed SOAP services with JAX-WS and JAXB. Integrated Azure AD with MFA for secure authentication, contributing to enhanced transaction security and reliability.