Danny Roozen Email & Phone Number

Remote

* Design and implement command-line and web tools in Go to create a combined automated and manual testing process that manages complex mock data and test flows.* Implement multiple AWS lambdas in Go to improve performance and functionality of IVR and other systems in AWS.* Design and build Amazon AWS architecture, utilizing extensive CloudFormation templates, Aurora Serverless database, network load balancers, parameter store, and more to transition complex IVR into cross-regional AWS cloud systems.* Manage and upgrade enterprise website and infrastructure for analytics and data visualization reporting system using Java, Spring, MySQL, Oracle, highcharts, and more.* Utilize git for version control; assist in process creation for migration to git.* Facilitate holocracy meetings and review and put into practice EI (Emotional Intelligence) in day-to-day activities.

Remote

* Build online ordering platform from scratch with one other developer using Spring Boot, Java, Angular 2, and RxJava, with a MySQL data storage in a multi-server environment.* Manage a team of 6 developers and Level 3 support to provide improvements and support to company's core product, a point of sale system utilizing a Javascript/JQuery front end, integrating with service architecture on JBoss/Wildfly, Spring Boot, Hibernate, and Java.* Design and architect solution integral to the support of our clients, including a web application with a Couchbase data storage, a Spring Boot/Java command line tool, and an "internet out" architecture utilizing RabbitMQ and a retriable messaging system in case of internet failure.* Authored documentation for the Technical Design of new features, as well as outlining important changes for support.* Pushed for improved processes, such as a Kanban-style workflow for one team, better estimating techniques, release checklists, and clean code design assisted by Checkstyle.Technologies: Java, Spring Boot, SQL, RabbitMQ, Couchbase (NoSQL), Mockito, Angular 2, Typescript, Bootstrap, Javascript, HTML/CSS, Maven, git, Jenkins, JIRA, Confluence, Mac OSX, Unix (Linux), AWS

Greater Minneapolis-St. Paul Area / Remote

* Develop enterprise software using Java, SQL, AJAX, Javascript, RESTful services, Handlebars, Groovy, Spring and Hibernate running on the Tomcat application server with an Oracle Database backend.* Practice several Agile tenets, including Scrum, pair programming and test-first design.* Senior developer covering all aspects of the development process, from negotiating high-level design with the business to software design and finally code architecture and delivery.* Performed Java profiling with YourKit to analyze performance and memory allocation.* Developed on a retail replenishment application that manages stock allocation functionality for Tier-2 and Tier-1 retailers.* Led a team of up to 5 people in managing custom development for several clients.* Authored documentation outlining the UI, dev processes, and Java class structure.Technologies: Java, SQL, Agile/Scrum, REST, HTML/CSS, Javascript, jQuery, AJAX, Handlebars, Bootstrap, XML, Spring, Hibernate, Bash, Groovy, Grails, Clojure, JMS, Maven, Gradle, Tomcat, git, Stash, Jenkins, JIRA, Confluence, Mac OSX, Unix (Linux), AWS

Plymouth, Minnesota

* Developed with a team using Java Servlet architecture to produce several client facing web applications for health insurance management.* Maintained, debugged, and developed enterprise level job scheduling software, also providing consulting and installation services.* Developed Java Swing applications for internal company use to improve productivity.* Authored documentation for department standards and Java classes.Technologies: Java, SQL, XML, Perl

Plymouth, Minnesota

* Developed IVR systems with Java and Cisco proprietary software.* Authored documentation for department standards and Java classes.* Load testing script development and execution.Technologies: Java, XML, IVR, Testing

Eagan, Minnesota

* Tester internal software development.* Practiced C++

Bs, Computer Science

Aa, General

Graduated High School with a 2 year college degree on the post-secondary enrollment option program through Century College. On Dean's List.