RAINER GAMER

Phoenix, AZ ***** 480-***-**** ad0we0@r.postjobfree.com linkedin.com/in/rainergamer602

SOFTWARE ENGINEER

Strategic, resourceful, results-driven technologist offering expertise in designing, developing, implementing, and maintaining software applications, executing all aspects of the Software Development Life Cycle and critical business solutions to help solve new/ongoing problems. Innovative business partner, effective communicator, and problem-solving contributor known for building and maintaining positive, productive relationships to rapidly assimilate new concepts and assess system issues from a holistic perspective. Collaborative leader and individual contributor with demonstrated successes in partnering with diverse, cross-functional teams to gather user requirements, define system functionality, write code in various languages, troubleshoot/debug/upgrade existing systems, develop software verification plans and quality assurance procedures, and deliver high-quality, innovative, and fully performing software that complies with technical design and coding standards.

CORE COMPETENCIES

Requirements Assessments Implementation Troubleshooting Leadership Risk Identification / Mitigation Compliance Analytical Results-driven Legal / Regulatory Guidelines Best Practices Teamwork Continuous Process Improvements Reporting Responsibility

TECHNICAL PROFICIENCIES

Languages / Frameworks: Java 8 / 11 Spring MVC Spring WebFlux REST services SQL JSON JUnit Mockito.

Databases: Oracle AWS Aurora Redis.

Project Management: Jira Agile Scrum.

Design: MVC Abstract Factory Observer Façade.

Platforms / Tools: Swagger Spring Boot Netty Gradle OpenShift Container Platform Guidewire Policy Center GitLab CI / CD Kibana - ELK IntelliJ Postman ReadyAPI Kubernetes Docker AWS - EC2, S3, Lambdas, Aurora DB React Node.js Tomcat Kafka Active MQ Maven

OAuth 2 JWT.

Other: Industries - Insurance, Hospitality, Health Care, Banking.

EXPERIENCE

USAA, Phoenix, AZ October 2019 – June 2023

Software Engineer I Software Engineer Senior Team Lead

Analyzed business requirements and performed data gap analyses to provide a sound foundation for future development efforts. Identified risks associated with API implementations and validated compliance against best practices. Participated in feature delivery and coding for the P/C policy modernization streamlining the modernization effort as a team lead.

•Collaborated with management, architecture, and other development teams on multiple REST APIs simultaneously, meeting the deadline of Day 1 smoothing the policy issuance process for members and representatives considerably.

•Interacted with the team in a fast-paced agile / scrum environment with 2-week sprints, participating in ceremonies and contributing to microservices implementations, improving system response times by 30 to 40 percent.

•Designed and implemented scalable Java REST microservices using Spring MVC and Spring Boot frameworks, leveraging the Controller-Service-Repository pattern, using Swagger for documentation, and providing JSON payloads.

•Implemented complex data transformations using MapStruct for integration with the third-party Guidewire API.

•Configured and executed CI/CD pipelines in GitLab in various environments for deployment to Kubernetes, verified the latest libraries in Artifactory, performed code reviews, addressed security gate issues in Xray and TwistLock and validated the deployed docker containers in OpenShift.

•Documented design decisions and functional specifications in knowledge base articles and on the company wiki.

•Prepared and executed production deployments and validations to correct defects and gaps that were successful over 90% of the time enabling a significant improvement in performance and reliability.

•Ensured compliance by adhering to USAA’s best practices for IT security via CyberArk / Envoy Proxy (OAuth 2), JSON Web Token (JWT), AD accounts, and encryption, and enforced that test coverage was at 97%.

•Utilized project technologies including Java 8 / Temurin 11 Spring 5.3.x Spring Boot 2.7.7 Spring WebFlux 2.7.7 Spring MVC Tomcat Netty 4.1.x Gradle 7.5 Guidewire Policy Center 2022.09.0 Gitlab CI / CD Artifactory IntelliJ 2022.3.3 SmartBear Collaborator Swagger Kibana - ELK OpenShift Container Platform Kubernetes OAuth 2 JWT Jira Postman JSON ReadyAPI Docker Gloo Edge Envoy API Gateway Taurus / JMeter performance testing Junit Jupiter 5.8.x and Mockito 4.5.x.

RAINER GAMER ad0we0@r.postjobfree.com Page Two

CSAA, Phoenix, AZ November 2018 – September 2019

Java Developer, Consulting through PDS

Coded, tested, and debugged new module implementations for the existing policy administration system. Optimized logic and resolved regression and production defects.

•Implemented new features according to business requirements in collaboration with the scrum team, resulting in an improved, high-value policy workflow.

•Resolved high-priority regression and production defects successfully increasing system reliability by 20 percent.

•Updated DB schemas using SQL and adapted Hibernate mappings to reflect DB changes.

•Analyzed and documented existing functionality as a guide for other developers helping teams to reduce defect-fixing and implementation turnaround times.

•Used project technologies including Java 8 XML JSON Oracle SQL Hibernate Spring Boot Tomcat 7 Spring 2.1.3 Maven 3 Mockito Git IntelliJ Jenkins and Jira.

CHOICE HOTELS INTERNATIONAL, Phoenix, AZ July 2016 – October 2018

Senior Engineer Team Lead

Modified existing and designed new REST services to prepare for a successful transition to a cloud-based property management system integration environment.

•Spearheaded the implementation of the module for outgoing reservations and established communication with the cloud-based reservation system supporting more than 6000 properties worldwide as a team lead.

•Optimized existing and developed new REST services to provide customer service with needed hotel and reservation information enhancing the guest experience.

•Developed Kafka consumers and producers, implemented AWS Lambdas, and configured S3 buckets for log and event storage building data pipelines between different service modules and the reservation system in AWS.

•Implemented new UX features using NodeJS, JavaScript, React, and Visual Studio Code.

•Resolved numerous defects on the front and backend side, improving the reservation process's reliability.

•Leveraged project technologies including AWS - EC2, S3, Lambdas, Aurora DB SQL Java 8 Spring MVC REST Web Services Swagger 1.5 Tomcat 7.0.54 Active MQ Apache Kafka Spring 4.1.1 Maven 3.2.1 React Node.js JavaScript HTML VS Code Mockito Git Jenkins CI / CD and Rally.

ADDITIONAL RELEVANT EXPERIENCE

American Express, Phoenix, AZ January 2016 – June 2016

Sr. Engineer

Built REST services for the online bill payment API and switched the API over to the new Voltage encryption standard.

IBM WebSphere 8.5.5, Java 6/7, DB2, REST Web Services, Swagger 1.5, Spring 3.0.4.

SkyTouch Technologies, Phoenix, AZ February 2015 – January 2016

Sr. Developer

Java 8, Thrift 0.9.2, Spring 4.1.6, Spring Boot 1.2.3, REST services, SQL, Informix, Weblogic 11g/12c, JAXB, Jira.

LeaseHawk LLC, Phoenix, AZ October 2013 – January 2015

Sr. Developer

Amazon Web Services (S3, VPC, SES, EC2), Java EE 5/6, Oracle 11g, NoSQL Redis Pub/Sub, Redis Master/Slave replication, Redis Sentinel. Eclipse Kepler, JBoss 4.2, WebLogic 8.1, Asterisk 1.4, Git.

EDUCATION

Bachelor of Science, Information Technology

University of Applied Sciences, Worms, Germany

CERTIFICATION

Guidewire Associate Certification - InsuranceSuite 10.0 Developer, Guidewire, Online, 07/09/2020, Completed.

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