Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I'm a Senior Java Full Stack Engineer with 14+ years of hands-on experience designing, developing, deploying, and supporting enterprise-scale applications across financial and federal domains. I take ownership of the full SDLC, delivering scalable solutions using Java (8/11/17/21), Spring Boot, microservices, and modern front-end frameworks like Angular and React. I build cloud-native apps on AWS and GCP, utilize event-driven messaging (Kafka, ActiveMQ, IBM MQ), and implement secure, maintainable systems with CI/CD pipelines (Jenkins), automated testing (JUnit, Mockito), and Test-Driven Development. I collaborate across product, QA, and DevOps teams in Agile environments to optimize performance, reliability, and production support.…I'm a Senior Java Full Stack Engineer with 14+ years of hands-on experience designing, developing, deploying, and supporting enterprise-scale applications across financial and federal domains. I take ownership of the full SDLC, delivering scalable solutions using Java (8/11/17/21), Spring Boot, microservices, and modern front-end frameworks like Angular and React. I build cloud-native apps on AWS and GCP, utilize event-driven messaging (Kafka, ActiveMQ, IBM MQ), and implement secure, maintainable systems with CI/CD pipelines (Jenkins), automated testing (JUnit, Mockito), and Test-Driven Development. I collaborate across product, QA, and DevOps teams in Agile environments to optimize performance, reliability, and production support.

Ravisankar Boddupalli

Growth Marketer, Full Stack Developer, Web Developer, +3





I'm a Senior Java Full Stack Engineer with 14+ years of hands-on experience designing, developing, deploying, and supporting enterprise-scale applications across financial and federal domains. I take ownership of the full SDLC, delivering scalable solutions using Java (8/11/17/21), Spring Boot, microservices, and modern front-end frameworks like Angular and React. I build cloud-native apps on AWS and GCP, utilize event-driven messaging (Kafka, ActiveMQ, IBM MQ), and implement secure, maintainable systems with CI/CD pipelines (Jenkins), automated testing (JUnit, Mockito), and Test-Driven Development. I collaborate across product, QA, and DevOps teams in Agile environments to optimize performance, reliability, and production support.…I'm a Senior Java Full Stack Engineer with 14+ years of hands-on experience designing, developing, deploying, and supporting enterprise-scale applications across financial and federal domains. I take ownership of the full SDLC, delivering scalable solutions using Java (8/11/17/21), Spring Boot, microservices, and modern front-end frameworks like Angular and React. I build cloud-native apps on AWS and GCP, utilize event-driven messaging (Kafka, ActiveMQ, IBM MQ), and implement secure, maintainable systems with CI/CD pipelines (Jenkins), automated testing (JUnit, Mockito), and Test-Driven Development. I collaborate across product, QA, and DevOps teams in Agile environments to optimize performance, reliability, and production support.

Available to hire

I’m a Senior Java Full Stack Engineer with 14+ years of hands-on experience designing, developing, deploying, and supporting enterprise-scale applications across financial and federal domains. I take ownership of the full SDLC, delivering scalable solutions using Java (8/11/17/21), Spring Boot, microservices, and modern front-end frameworks like Angular and React.

I build cloud-native apps on AWS and GCP, utilize event-driven messaging (Kafka, ActiveMQ, IBM MQ), and implement secure, maintainable systems with CI/CD pipelines (Jenkins), automated testing (JUnit, Mockito), and Test-Driven Development. I collaborate across product, QA, and DevOps teams in Agile environments to optimize performance, reliability, and production support.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Freddie Mac

July 1, 2025 - Present

Designed and developed Spring Boot microservices (Java 11/17) for CRT securitization calculations and eligibility APIs with high availability and fault tolerance. Built modern front-end UIs using Angular 17 and React.js, and integrated services via RESTful APIs. Implemented Camunda BPM workflows for eligibility validations, automated triggers, and health checks. Engineered Delta Engine pipelines for AWS S3 ingestion, leveraged AWS AMQ for messaging, and wrote Drools rules for decision logic. Ensured security with IAM, OAuth2, and mTLS, and delivered automated CI/CD with Jenkins and SonarQube, achieving 85%+ code coverage. Optimized PostgreSQL and DynamoDB data access to support high throughput.

Senior Full Stack Engineer at USPS/AFS

June 1, 2024 - July 31, 2025

Designed RESTful APIs with Spring Boot 3.x/Java 21 and migrated legacy SOAP services to a microservices architecture using Spring Cloud on AWS ECS Fargate. Built event-driven back-end services with Apache Kafka for real-time financial data processing. Refactored PostgreSQL 14 queries and stored procedures to reduce monthly budget report generation time by ~35%. Integrated AWS SQS/SNS/Secrets Manager, and implemented GitLab CI/CD and AWS CodePipeline for zero-downtime deployments. Enforced OAuth2/OIDC with USPS Identity Services and led architecture reviews, with JUnit 5/Mockito test suites maintaining 85%+ test coverage.

Senior Agile Developer at Freddie Mac

October 1, 2022 - June 30, 2024

Designed and developed Spring Boot microservices (Java 11/17) for CRT securitization calculations and eligibility APIs, ensuring high availability and scalability. Built front-end components with Angular 17 and React.js, delivering modular Deal Service UIs. Integrated calculation services with DAS/DRS over AWS AMQ messaging for unified data retrieval and orchestration. Implemented Camunda BPM workflows for validation and service health checks, and engineered Delta Engine pipelines for S3-based ETL tasks. Authored Drools rules for loan eligibility decisions, implemented Kafka-based asynchronous communication with idempotent processing, and secured services with IAM, OAuth2, and mTLS. Maintained 85%+ SonarQube coverage via TDD (JUnit 5, Mockito) and optimized PostgreSQL/DynamoDB access patterns.

Senior Full Stack Engineer at CVS Health

January 1, 2022 - October 31, 2022

Developed RESTful APIs using Java 8/17 and Spring Boot to support health claims data processing. Built DRP UI components in Angular 17 and React.js with modular routing and data visualization. Implemented multi-metric reporting for manufacturers with complex filtering. Led Agile TDD workflows and performed JMeter-based load testing. Integrated AWS services for deployment and storage, and ensured scalable microservices with AWS-based security and governance.

Senior Java Developer at ACF (Administration for Children and Families)

October 1, 2015 - December 31, 2021

MIGRATED Self-Assessment System from ColdFusion to Java/Spring Boot, AWS, React/Angular 8. Designed RESTful microservices with Spring Boot, Spring Batch, and Cognito authentication. Built dynamic UI components, and engineered PostgreSQL schema with large-scale data migration. Implemented ServiceNow integration for ticketing and case management; supported Agile Scrum delivery; automated deployments with Jenkins and SonarQube; monitored AWS CloudWatch and cost metrics.

Senior Java Engineer at K12

August 1, 2014 - October 31, 2015

Developed and maintained Java/Spring-based backend services for OMS, integrating with SAMS and OLS systems. Built RESTful service integrations for billing, and enhanced OMS modules with Java-based backend logic. Led deployment coordination across Tomcat and WebSphere environments and supported MuleSoft Service Bus integrations for cross-system data exchange.

Senior Java Leader at World Bank

January 1, 2011 - August 31, 2014

Led onsite production support and development for DOTS module of the IFC iDESK platform. Developed Java/J2EE services with Oracle DB, PL/SQL, and REST APIs for impact indicator tracking and reporting. Implemented SSO via LDAP and Spring/iBatis ORM for secure data access; deployed on IBM WebSphere with Unix/Linux environments.

Senior Full Stack Engineer at Freddie Mac (via Zillion Technologies)

July 1, 2025 - Present

Designed and developed Spring Boot microservices (Java 11/17) for CRT securitization calculations and eligibility APIs, ensuring high availability, scalability, and fault tolerance in distributed systems. Built front-end UIs with Angular 17 and React.js, delivering modular, responsive Deal Service interfaces. Created RESTful services with Spring/Hibernate/JPA for secure service-to-service communication. Integrated calculation services with DAS and DRS via AWS AMQ messaging for cross-database orchestration. Implemented Camunda BPM workflows for eligibility validations, triggers, health checks, and escalation handling. Engineered Delta Engine pipelines for AWS S3 management and scheduled ingestion via Control‑M, supporting event-driven and batch ETL. Authored Drools rules for loan eligibility and securitization decisions. Built Kafka producers/consumers for asynchronous inter-service communication with at-least-once delivery and idempotency. Used Python to build AWS Lambda utilities fo

Senior Full Stack Engineer at EC3 Federal Systems (USPS/AFS)

June 1, 2024 - July 1, 2025

Designed RESTful APIs using Spring Boot 3.x and Java 21. Migrated legacy SOAP services to a microservices architecture with Spring Cloud on AWS ECS Fargate. Built event-driven backend services with Apache Kafka for real-time processing across USPS financial systems. Refactored PostgreSQL 14 queries and stored procedures, achieving a 35% reduction in monthly budget report generation time. Integrated AWS SQS, SNS, and Secrets Manager for messaging and configuration management. Developed GitLab CI and AWS CodePipeline-based pipelines for automated, zero-downtime deployments. Enforced OAuth2/OIDC-based authentication integrated with USPS Identity Services. Led backend integration for core financial modules including general ledger reconciliation and batch processing. Advocated clean architecture and domain-driven design; conducted code reviews and technical coaching. Built JUnit 5 and Mockito test suites achieving 85%+ coverage. Documented OpenAPI 3.0 APIs and maintained architecture diagr

Senior Full Stack Engineer at CVS Health (Orion Business Innovation)

January 1, 2022 - October 1, 2022

Developed RESTful APIs with Java 8/17 and Spring Boot for health claims data processing. Built Angular 17 and React.js components for the DRP (Data Reporting Portal) with modular routing and dynamic forms. Implemented multi-metric reporting features (Total Rx, NRx, Prescriptions, Units, WAC, Days’ Supply) with complex filters and large datasets. Enhanced UI/UX across IBEX Admin and Portal apps by integrating modular Angular components. Led Agile TDD workflows and performed JMeter load testing for database health claims roll-ups. Designed Spring Batch jobs for high-volume claims data processing. Integrated AWS services for deployment and storage. Led performance tuning at API and database levels to improve response times and page loads.

Senior Java Developer at Orion Business Innovation (ACF — Administration for Children and Families)

October 1, 2021 - January 1, 2022

Migrated Self-Assessment System from ColdFusion to Java 8/11 with Spring Boot, AWS, React, and Angular 8. Built RESTful microservices with Spring Boot and Spring Batch, secured with AWS Cognito. Developed dynamic UI components and integrated authentication flows. Engineered PostgreSQL schema with tables, indexes, and stored procedures. Implemented backend integration services using Java, Node.js, and messaging for automated notifications and reports. Supported ServiceNow integration for ticketing and case management. Adopted Agile Scrum, served as Scrum Master, and coordinated cross-team deliverables. Automated deployments with Jenkins, SonarQube, and SVN; monitored AWS deployments with CloudWatch; maintained cost controls. Implemented logging and monitoring for production stability.

Senior Java Engineer at Orion Business Innovation (K12)

August 1, 2014 - October 1, 2015

Developed Java 1.7/Spring-based backend services for the Order Management System (OMS). Implemented RESTful integrations between OMS and APEX Billing, optimized Oracle 10g PL/SQL for new billing products, and enhanced OMS modules with Struts/JSP/Spring. Led troubleshooting of production ET tickets and collaborated with teams across Unix/IBM WebSphere environments. Implemented MuleSoft Service Bus integrations for data exchange across SAMS, TotalView, OLS, and Family Directory. Coordinated deployments and supported cross-team activities.

Senior Java Leader at Orion IFC, World Bank

January 1, 2011 - August 1, 2014

Led onsite production support and development for the DOTS module within the IFC iDESK platform. Developed Java/J2EE services with Oracle 10g, PL/SQL, and RESTful APIs for impact indicator tracking and reporting. Created PL/SQL stored procedures and complex SQL queries for monitoring and partner tracking. Implemented SSO authentication using LDAP and built Spring-based components with iBatis ORM. Deployed applications on IBM WebSphere using Ant on Unix/Linux and provided direct user support.

Senior Full Stack Engineer at USPS / AFS

June 1, 2024 - July 1, 2025

Designed Java-based backend services for USPS enterprise integration using Java and Spring Boot, implementing RESTful APIs per enterprise standards. Supported core financial workflows including general ledger reconciliation and batch processing. Designed and managed BigQuery datasets, tables, and materialized views for analytics; wrote optimized BigQuery SQL with partitioning and clustering; Managed PostgreSQL Cloud SQL instances with backups, failover, and performance tuning; implemented least-privilege access via GCP IAM; integrated Java services with GCP-managed databases and analytics platforms; built JUnit and Mockito test suites; automated CI/CD workflows in GCP.

Senior Java Leader at IFC, World Bank

January 1, 2011 - August 1, 2014

Led onsite production support and development for the DOTS module within the IFC iDESK platform, supporting global business operations. Developed Java/J2EE services integrated with Oracle 10g, PL/SQL, and RESTful APIs for impact indicator tracking and reporting. Designed PL/SQL stored procedures and complex SQL queries to support monitoring, partner tracking, and system reporting needs. Implemented SSO authentication using LDAP and built Spring-based components with iBatis for optimized data access and security. Deployed applications on IBM WebSphere using Ant on Unix/Linux, while providing direct support to business users and stakeholders.