Will (Guillermo) Orrantia-Solution Architect
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Experience
Solution Architect
Stuttgart Police Authority
Designing the migration strategy for WLS applications to the BKA cloud and Stack IT
Creating a hybrid cloud for internal testing and development with Kubernetes
Transforming the IT landscape from a legacy monolithic architecture to a cloud-based architecture
Integrating new CI/CD processes using Azure Pipelines
Quadrupled the throughput of personnel security checks
Migrated personnel security clearance applications to Docker-based applications
Built CI/deploy pipelines with Azure DevOps
Environment: Java Spring Boot, Kubernetes, Oracle WebLogic, OpenID, Camunda, JUnit, TOGAF
Solution Architect
Theben Haigerloch
Automating data transfer processes
Developing new API interfaces for CRM and ERP systems
Implementing a secure data transfer system between networks using Kafka
Integrating new artifacts, data objects, and processes into the IT landscape
Reduced order processing time from about three weeks to a few days
Environment: Java Spring Boot, Docker, Kubernetes, Kafka, Camunda, TOGAF
IT Consultant
Federal Printing Office Berlin
Migrated and reengineered connected micro-apps
Data migration and schema preservation for Java micro-apps
Authenticating portal users using PKI and Keycloak processes
Automating authentication API testing with JUnit and Cucumber
Migrated all micro-apps from Oracle database to PostgreSQL
Optimized GitLab pipelines and established new processes
Environment: Kubernetes, Java, GitLab, Bash, Helm, JUnit, Kibana, Liquibase, Kustomize
IT Consultant
Federal Office for Migration Nuremberg
Extending existing reporting and update processes for individuals
Introducing user authorization via PGP/PKI encryption
Developing a new web service retry mechanism in the OSB pipeline
Conducting a gap analysis of business process functions in the IT landscape
Improved legacy personal data update processes
Integrated new application deployment processes
Environment: JDeveloper, Java, Oracle Service Bus, BPEL, SOAP web services, WebLogic, PKI
Solution Architect/Developer
Deutsche Bahn Frankfurt
Integrating new processes on OpenShift clusters and introducing a new security model in the IT landscape
Implementing event tracking and external interface connections using Java delegates
Connecting to backend services using Swagger UI
Implemented a new Camunda-based application for station asset recording
Environment: Eclipse, Java, Spring Boot, Camunda, DMN, Camel, OpenAPI
Solution Developer/Architect
IBM Böblingen
Developed a new NoSQL database solution for packages, snapshots, and transformation rules
Created Liquibase scripts to implement new RDBMS data structures
Implemented test plans using JUnit
API services for signing and releasing RPM binaries with PGP encryption
Implemented new REST API applications for service support in Docker-based Springboot applications
Environment: Eclipse, OpenShift, Java Springboot, Liquibase, Ansible, Cloudant, Jenkins, JUnit
API Developer
Schwarz IT Neckarsulm
Developed container-based (Docker) Springboot API applications
Implemented supplier contract processes using Camunda composites
Created multistage Docker containers and implemented Azure pipelines
Coordinated database schemas for the Lidl Big Data Lake using Liquibase Java microapps
Set up a new OpenShift cluster with all required applications for the API
Environment: OpenShift, Java, Azure DevOps, Docker, Liquibase, Kibana, Kustomize
Solution Architect
Raiffeisen Bank St. Gallen, Switzerland
EDI data transfer and router mapping for document reception
Approval and validation of orders through BPM processes
Designed and implemented an internal API hub using a REST interface
Introduced a new Kubernetes-based data transfer application
Environment: Kubernetes, Java, Seeburger BIS, Camunda
Solution Architect
Würth Stuttgart
Developed API endpoints for price requests, availability checks, and orders for external partners
Implemented the API interfaces
Created order and purchase documents using Jasper Reports
Set up a new OpenShift cluster API for external partners
Environment: Eclipse, OpenShift, Java, Spring, Camel, Seeburger BIS
Cloud Architect
Allianz Stuttgart
Developed a new IT landscape architecture for migrating legacy applications to the AWS cloud
Converted JCL jobs to Bash/Cron jobs
Ported Cobol programs to Java
Implemented monitoring using Java-based APIs and Prometheus
Built a private AWS cloud with OpenShift clusters and Java applications
Environment: Eclipse, OpenShift, AWS, Java Springboot, Terraform, CloudFormation
Solution Architect
Rhaetian Railway Chur, Switzerland
Interface design for CAD document transfer
Migration of OSB composites to Apache Camel/Spring Boot applications
Database revision control and validation using Liquibase MicroApps
Implementation of embedded human workflows for document processing and modification
Provisioning of a Swagger-based user interface for API management
Introduction of a new OpenShift cluster with extended APIs
Environment: Eclipse, Oracle OSB, Apache Camel, OpenShift, Liquibase
Solution Architect
Federal Office for Migration, Nuremberg
Implementation of a Coherence data grid cache
Interface creation between a big data warehouse and data grid storage
Design of REST microservices for data transfer interfaces
Authentication concept based on OIM and Java Spring
Introduction of a new middleware layer for capturing and storing biometric asylum seeker data
Environment: Eclipse, Oracle Cloud, Oracle Coherence, Spring Cloud, Spring Security, REST/JSON microservices, Camel
Technical Solution Architect
Carglass Cologne
Security and exception handling process design
Design, implementation, and testing of SOA composites
Setup of the development environment and configuration of adapters
Integration between Oracle EBS 12 and a third-party negotiation application
Environment: Oracle SOA Suite 11g, Oracle EBS 12
Technical Solution Architect
Ascena Retail Group, Columbus, OH
Development of training programs for the integration of new inventory applications
Design of web services and SLAs for external consumer applications
Data view configuration and design of a new canonical data model
Provisioning of interfaces for third-party applications
Environment: Eclipse, Oracle SOA Suite 11g, Spring
Technical Lead
CoverOregon, Portland, OR
Design and implementation of the enrollment suite
Development, testing, and deployment of health carrier interfaces
Design and implementation of artifact encryption/decryption processes
Design of endpoint security procedures and governance integration
Establishment of an external partner portal interface system
Environment: Eclipse, Oracle SOA Suite 11g, Jenkins, OPA, OID, OAM, Spring Beans, Java Web Services
Technical Lead
Oregon Health Exchange Salem, OR
Design of interfaces between WebCenter Portal and external healthcare providers
Process design for security and exception handling
Setup of B2B partner agreements and document exchange
Architecture design for connectivity in the federal hub
Developing a strategy and roadmap for the external partner portal
Environment: Eclipse, Oracle SOA Suite 11g, Oracle B2B, Spring Beans, Java Web Services, WebLogic
Enterprise Architect
American Airlines Dallas, TX
Requirements gathering and analysis for flight initialization and lifecycle
Design of interfaces between the passenger reservation system and the flight operation/control system
Conducting gap analyses and BPM ISA implementation
Planning the SOA roadmap and implementation including a canonical data model
Building a new application landscape for flight initialization and FOS
Environment: Oracle SOA Suite 11g, igniteXML, IBM Process Server, DataPower
SOA Developer
Qualcomm San Diego, CA
Developing middle-tier services with OSB
Connecting legacy applications via REST services
API test automation with JUnit
Implementing web services using Coherence and JAX-WS
Environment: Oracle SOA Suite 11g, WebLogic, Ant, Oracle Coherence, Java Web Services
SOA Developer
CenterPoint Energy Houston, TX
Converting JCAPS code to SOA Suite using JDeveloper and Spring Context composites
Developing EDI-to-XML document interfaces via B2B and Spring Beans
Implementing B2B partner agreements and document exchange
Integrating EBS R12 with the SOA Gateway for incoming invoices
Environment: Oracle SOA Suite 11g, WebLogic, Ant, B2B, EBS R12
IT Technical Consultant
Edgen Murray Boca Raton, LA
Analyzing data gaps, business processes, and enterprise architecture
Designing the architecture of a workflow-based data capture system for high availability
Identifying and documenting BPM intake processes
Environment: Oracle BPEL, Oracle EBS R11, BPM
SOA Architect
US Steel Pittsburgh, PA
Design of API interfaces to EBS
Implementation of token-based security with SAML, SSO, and LDAP
Integration of the SOA Gateway with SOA Suite for concept validations
Environment: Oracle SOA Suite 11g, Oracle WebLogic 10.3, Oracle EBS R12, OIM
SOA Developer/Architect
CCC IS Chicago, IL
Fixing timeout issues in production between OWSM and ESB
Designing reprocessing processes
Architecture design for new Geico interface
Environment: Oracle SOA Suite 10g, Oracle B2B
SOA Architect
CoServ Corinth, TX
Performing health checks for integration projects
Developing roadmaps and strategies for upcoming projects
Developing BPM-based electronic service order systems
Implementing SOA Suite management plans and dehydration purges
Monitoring health and performance using BAM
Environment: Eclipse, Oracle SOA Suite 11g, BAM, Oracle Service 10.3, WebLogic
SOA Architect/Developer
LCRA Austin, TX
Integrating PeopleSoft 9 with Maximo 7 Financials for POs, personnel, members, PR, vouchers, invoices, receipts, work orders, and chart of accounts
Data structure gap analysis and business process documentation
Designing, implementing, and deploying BPEL processes
Continuous testing and system integration
Migrating BPEL processes from 10g to 11g
Introducing new interfaces via Oracle SOA Suite
Environment: Eclipse, Oracle SOA Suite, WebLogic, IBM DB2, OIM, OID, OAM
IT Consultant
Physician Capital Group Houston, TX
Designing BAM data structures, dashboards, and report implementation
Developing BPEL processes for data collection and XML transformations
Environment: Oracle SOA Suite 10g, BAM
IT Consultant
Lifelock Tempe, AZ
Development of BPEL/OSB processes for main orchestration
Design of bulk enrollment strategies
Exception handling strategies with human workflow and business rules
Implementation of an integration interface to Salesforce
Introduction of a new bulk enrollment process
Environment: Oracle SOA Suite 10g, Oracle Service Bus, WebLogic
SOA Developer/Architect
Ethan Allen Danbury, CT
Analysis of data gaps and business processes with BPM tools
Implementation of an automated inventory update process using Oracle Service Bus
Creation of a BPEL process repository for order fulfillment processes
Setup of a new Oracle SOA Suite-based interface between the customer portal and JD Edwards ERP
Environment: Oracle SOA Suite, Oracle Database, BPEL, WebLogic, IBM DB2
Project Manager, SOA Architect
Cargill/Zucarmex Navolato, Mexico
Gathering requirements and designing training programs
Aligning the IT landscape with the business model
Migrating a homegrown ERP system to Oracle EBS (general ledger, accounts payable, accounts receivable, HR, financial reporting)
Implementing Subversion repositories via a WebDAV server
Converting legacy modules to MVC standards with Oracle ADF, JDeveloper 10.1.3.4, and JSF
Transforming monolithic applications into a loosely coupled architecture
Embedding SOA-based APIs and web services
Optimizing applications through new IT architecture
Environment: Eclipse, Oracle SOA Suite, BPM, TOGAF
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Government and Administration, Retail, Manufacturing, Insurance, Healthcare, and Utilities.
Business Area Experience
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Experienced in Information Technology, Operations, Product Development, Supply Chain Management, Project Management, and Strategy.
Summary
I have built a strong profile as a solution architect with extensive experience in transforming IT landscapes across various sectors, including government, transportation, banking, and healthcare. I design clear migration strategies, modern cloud architectures, and secure APIs that deliver tangible improvements such as increased throughput and reduced processing times.
My work spans diverse technologies like Java Springboot, Kubernetes, Docker, and various CI/CD tools. I am known for reengineering legacy systems, integrating modern security, and returning measurable benefits through efficient digital transformations.
Skills
- Digital Process Control
- Technical Project Manager – Implementing Business Processes From An Integration Perspective
- Technical Lead/analyst – Designing/adapting Processes Using Bpmn
- Soa Developer/architect
- Solution Architect – Transforming Legacy Applications
- Converting Monolithic Applications To Object-oriented Architecture
- Optimizing Legacy Business Processes By Embedding New Technologies
- Enterprise Architecture
- Developing Cloud Landscapes, Transforming And Adapting Applications
- Creating And Analyzing Togaf Diagrams/models
- Business Process Optimization/redesign
- Soa/cloud Architect
- Developing It Landscapes, Embedding New Architectures/technologies, Assessing Impact
- Developing Scalable And Secure Cloud Foundations
- Microservices
- Developing And Implementing Java Microservices/web Services With Rest Or Soap Interfaces
- Supporting Openapi And Swagger
- Containerized Applications
- Implementing Multistage Containerized Applications With Docker/podman
- Deploying Services, Images, And Ingress Controllers In Preparation For Helm Script Implementation
- Application Security
- Authenticating Users Via Oidc/openid And Jwt Tokens
- Securing Authorization Through Oauth2
- Implementing Sso Practices With Saml/tokens
- Devops Practices
- Developing Ansible, Azure, And Gitlab Pipeline Scripts
- Provisioning Cloud Component Infrastructure Using Terraform Scripts
- Implementing Jenkins Scripts For Application Deployment
- Creating Helm Charts For Kubernetes/openshift Clusters
- Big Data Middleware
- Electronic Processing Of Documents On Big Data Platforms
- Developing Document And Data Architectures With Sql/nosql Database Systems
- Kubernetes Cloud Applications
- Designing And Implementing New Kubernetes Ecosystems
- Monitoring Kubernetes Clusters And Cloud Applications With Kibana And Rancher
- Test Automation
- Creating Test Plans With Junit, Cucumber, And Pipelines
- Implementing End-to-end Tests With Mockito Support
- Jdeveloper
- Sql Developer
- Eclipse
- Java 21 Se/j2ee
- Spring/springboot
- Docker
- Podman
- Maven
- Gradle
- Rhel 9
- Ubuntu 22
- Oracle Rdbms Database
- Mongodb
- Apache Hadoop
- Jira
- Twiki
- Confluence
- Alfresco
- Aws
- Azure
- Stackit
- Apache Camel
- Apache Kafka
- Camunda
- Kubernetes
- Glassfish
- Weblogic
- Jboss/wildfly
Languages
Education
University of Arizona
Master of Science, specializing in optimal discrete control · Electrical and Information Engineering · Tucson, United States
Certifications & licenses
ArchiMate® and using the MID Innovator
MID GmbH · Stuttgart, Germany
Oracle SOA Suite 12c Certified
Oracle University · Munich, Germany
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Experience
Expertise
Qualifications
Profile
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