Srinivasa Rao Chinni

Senior Java Full Stack Developer & Integration Lead
Halifax, CA.

About

Highly accomplished Senior Java Full Stack Developer and Integration Lead with 15+ years of expertise in designing, developing, and deploying large-scale enterprise applications across diverse industries like healthcare and finance. Proven success in leading high-performing teams, implementing robust Microservices architectures, and optimizing complex systems using cutting-edge technologies like Spring Boot, Kafka, Kubernetes, and AWS/Azure. Leverages deep knowledge of full SDLC, Agile methodologies, and robust integration patterns to deliver high-impact solutions that consistently exceed performance and compliance standards.

Work

NTT DATA - Client: Point32Health
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Senior Java Full stack Developer

Confidential, Confidential, US

Summary

As a Senior Java Full Stack Developer, I developed and enhanced the Account Broker Portal, a critical web application for managing health insurance plans for various stakeholders within a healthcare payer organization.

Highlights

Streamlined deployment processes using Jenkins and JIRA, enhancing project visibility and task management for complex enterprise applications.

Engineered JASPER reports to visualize validation results, significantly improving data accuracy and test case performance.

Designed and developed Microservices and J2EE Web Services (SOAP, WSDL, UDDI) using Apache Axis, enhancing system interoperability and scalability.

Built scalable front-end applications with React, Flux, NodeJS, and Docker, and developed Spring-based Java/Scala services to support enterprise web applications.

Optimized NoSQL data models and data loads using bloom filters and TTL columns, enhancing database performance and efficiency.

Deployed and monitored scalable infrastructure on Amazon Web Services (AWS), ensuring high availability and performance for critical applications.

Developed reusable and interoperable RESTful web service modules based on SOA architecture, facilitating seamless integration.

Authored Java APIs for Amazon Lambda, streamlining the management and automation of AWS services.

NTT DATA – Client: Harvard Pilgrim Health Care
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Java Full stack Developer

Confidential, Confidential, US

Summary

As a Java Full Stack Developer, I orchestrated the complete workflow for weekly healthcare claim payment cycles, from receipt of finalized payments to validation and transmission of EDI 835 files, ensuring HIPAA compliance.

Highlights

Engineered application-level persistence layers using Hibernate and Spring Framework, improving data management efficiency and integrity.

Implemented file and image upload functionality from Angular 8 to AWS S3 using AWS-SDK (NPM), enhancing data storage capabilities.

Created RESTful web services with Spring Boot Microservices architecture, improving system modularity and scalability.

Managed CI/CD deployments via Jenkins and integrated Docker, Jenkins, GitHub, and AWS AMIs into the Continuous Delivery pipeline, accelerating software delivery.

Built and tested Scala-based Spark applications, leveraging Akka, Cats, and Play Framework for high-performance data processing.

Developed responsive front-end components using HTML, CSS, and JavaScript, enhancing user experience across devices.

Collaborated with marketing teams to design and implement scalable solutions using Kubernetes and Docker, optimizing resource utilization.

Successfully migrated and deployed Microservices to AWS EC2 using Elastic Beanstalk and Code Commit, ensuring seamless cloud transition.

NTT DATA – Client: Harvard Pilgrim Health Care
|

Integration Lead & SME

Confidential, Confidential, US

Summary

As Integration Lead and SME, I spearheaded the migration of enterprise integration solutions from TIBCO middleware to Oracle SOA Suite, while managing a team of 10+ developers and ensuring high-quality operational support for critical healthcare systems.

Highlights

Directed a team of 10+ developers to deliver complex healthcare integration solutions, consistently achieving 98% SLA compliance.

Reduced recurring incidents by 25% through the implementation of proactive Root Cause Analysis (RCA) and strategic monitoring enhancements.

Provided senior leadership with critical dashboards and KPI reports, enabling data-driven operational planning and decision-making.

Led the successful migration of enterprise integration services from TIBCO (BW, EMS, RV) to Oracle SOA Suite (BPEL, Mediator, OSB), enhancing system modernization.

Formulated comprehensive migration strategies, timelines, and risk mitigation plans, ensuring minimal downtime and maintaining data consistency during transitions.

Authored detailed documentation, including service mappings, interface specifications, and technical migration guides, improving knowledge transfer and system maintainability.

Offered expert guidance on configuring Oracle SOA components, including BPEL Process Manager and Oracle Service Bus (OSB), optimizing system performance and integration capabilities.

Ensured strict adherence to enterprise integration standards, security protocols, and data governance policies across all projects.

NTT DATA – Client: Harvard Pilgrim Health Care (HPHC)
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Integration Developer

Confidential, Confidential, US

Summary

As an Integration Developer, I developed and maintained robust integration solutions for processing EDI 837 and 835 transactions, ensuring HIPAA compliance and streamlining healthcare claims and payment cycles.

Highlights

Developed and maintained TIBCO BusinessWorks solutions for processing EDI 837 (Healthcare Claims) and EDI 835 (Remittance Advice) transactions, enhancing healthcare data exchange.

Utilized EDIFECS Transaction Manager and XEngine to parse, validate, and transform EDI messages, ensuring strict HIPAA standards compliance.

Integrated EDI transactions with internal systems, including claims processing platforms, billing systems, and data warehouses, improving data flow efficiency.

Engineered robust TIBCO workflows to automate the ingestion, transformation, routing, and delivery of EDI messages, optimizing data processing.

Implemented business rules for claim validation, error reporting, and acknowledgment generation (999/TA1), enhancing data accuracy.

Established monitoring and alerting mechanisms with TIBCO Hawk, enabling real-time error tracking and ensuring SLA compliance.

Conducted comprehensive unit and integration testing using mock EDI files, SOAP UI/Postman, and validation tools, ensuring system reliability.

Ensured strict compliance with HIPAA regulations and security standards for handling sensitive EDI healthcare data across all environments.

NTT DATA – PHH Mortgage
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Java Developer

Confidential, Confidential, US

Summary

As a Java Developer, I designed and deployed TIBCO workflows and developed reusable Java components to support mortgage servicing, reporting, and critical integration issues for a leading U.S. retail mortgage lender.

Highlights

Designed and deployed TIBCO workflows, significantly enhancing mortgage servicing and reporting capabilities.

Created reusable Java components and web services (SOAP/REST) to support TIBCO workflows and backend operations, improving system modularity.

Resolved complex data load challenges using SQL and coordinated cross-team deployments, improving data integrity and system reliability.

Established integration patterns, data transformation rules (XSLT/XML), and exception handling mechanisms, ensuring consistent service performance.

Optimized TIBCO applications and Java APIs through memory profiling, connection pooling, and thread optimization, boosting performance metrics.

Provided critical production support, root cause analysis, and resolution for integration issues, minimizing business impact.

Streamlined testing and production support processes in collaboration with development and database teams, improving operational efficiency.

Education

Osmania University
Hyderabad, Telangana, India

Master of Computer Applications (MCA)

Computer Applications

Awards

People Management Award

Awarded By

NTT DATA

Recognized for excellence in leading and developing professional teams.

Client Commendations

Awarded By

Confidential Clients

Received commendations for improving business operations and integration reliability.

Star Performer Award

Awarded By

NTT DATA

Awarded for successful delivery of TIBCO to Oracle SOA migration project.

Dell Silver Award

Awarded By

Dell (Internal Innovation Awards)

Recognized for contributions to internal innovation.

Bronze Awards

Awarded By

NTT DATA (Internal Innovation Awards)

Recognized for contributions to internal innovation.

Bronze Awards

Awarded By

NTT DATA (Internal Innovation Awards)

Recognized for contributions to internal innovation.

Skills

Programming Languages

Java, C, C++, C#, SQL, JavaScript, TypeScript, Scala, Python.

Frameworks & Libraries

Spring Boot, Spring, Hibernate, Spring-core, Spring MVC, Spring Webservices, ReactJS, Angular, NodeJS, jQuery, Ajax, Flux, Backbone.js, Twitter Bootstrap, JQueryMobile, Akka, Cats, Play Framework, Django.

Web Technologies

HTML5, CSS3, JSP, XSL, Servlets, SOAP, REST API, WSDL, UDDI, JAX-WS, JAXB, JAX-RPC, XML, JSON, DHTML.

Cloud & DevOps

AWS, Azure, Kubernetes, Docker, Pivotal Cloud Foundry (PCF), OpenShift Origin (OSE), DevOps, CI/CD, Jenkins, Git, BitBucket, AWS S3, AWS Lambda, Elastic Beanstalk, Code Commit.

Databases & ORM

Oracle, MySQL, SQL Server, MongoDB, RDBMS, NoSQL, PL/SQL, iBatis, JPA/Entities, Hibernate, JDBC API, Query Optimizer, Execution Plans, Indexes.

Middleware & Integration

TIBCO BusinessWorks (BW), Oracle SOA Suite (BPEL, Mediator, OSB), JMS, Kafka, SOA (Service Oriented Architecture), EDI 837, EDI 835, EDI 834, EDI 270/271, EDI 276/277, EDI 820, HIPAA 5010, EDIFECS Transaction Manager, XEngine, EMS Queues, File Adapters, OAuth 2.0, Socket.

Big Data & Analytics

Apache Spark, Data Processing, Streaming Sources.

Design Patterns

MVC, Singleton, Prototype, Adapter, Visitor, Observer, Decorator, FrontController, Data Access Object.

Tools & Methodologies

Agile, Scrum, Waterfall, JIRA, ServiceNow, Bugzilla, SQL Developer, Maven, JBoss Hibernate Tools, JBoss Web tools, Log4J, JUnit, Selenium, HTTP Unit, DB Unit, STIQ, JMock, UML, XML Parsers (SAX, DOM), SOAP UI, Postman, IntelliJ, Eclipse, TIBCO Designer, Oracle JDeveloper, EDIFECS EAM, Spring Tool Suite, Word Forge, CMDB.

Operating Systems

Windows 7, Windows XP, Windows Server 2003, LINUX, UNIX, Mac.