David Vanderwerf Email & Phone Number

Arvada, Co, Us

Falls Church, Virginia, Us

- Designed system architecture for a custom ETL (Extract, Load Transform) product that combines data from multiple sources into a large central data store to be shared between sources.- Developed Java Spring Boot based microservices to extract data from custom data sources.- Implemented transfer of data from various data sources to a central graph data store using Pub/Sub technologies such as Kafka and RabbitMQ.- Established continuous integration and continuous deployment (CI/CD) pipelines from scratch for all services utilizing Gitlab CI, Docker, Kubernetes and Helm.- Tackled numerous performance issues around data transfer and data storage speeds, in some cases providing a 99% increase.- Wrote unit, integration, and end-to-end tests using JUnit, Mockito, and Cucumber to ensure a quality product was delivered to our customers with every release. - Supported junior and senior engineers with technical questions and career development advice to enable success and growth in their current position.

Minneapolis, Mn, Us

- Developed and maintained several Spring Boot Kotlin microservices as part of an Insider Risk cybersecurity product utilizing an event sourcing microservice architecture. - Designed and implemented the refactoring of a major microservices for improved maintainability and scalability. - Implemented essential event sourcing concepts including stream subscription and event aggregation- Helped develop tools and libraries that allow our customers and internal teams to integrate Code42 with their own systems and build tooling to automate their workflows- Mentored interns, new hires, and junior engineers- Our services used Kotlin, Spring Boot, AWS, PostgreSQL, Concourse, REST APIs

Arlington, Va, Us

- Experienced in Java, WebLogic, SOAP, Spring and Gradle as part of daily development to support the creation of a state-of-the-art GPS ground system.- Used Java, Cucumber, Gherkin, Jenkins, Python and AWS to implement and support a continuous integration and continuous delivery pipeline that included build, unit tests, package, stage, deploy and functional tests. - Used ReactJS, JavaScript, HTML, CSS, Java and MVC concepts to create a Simulation Controller GUI as web-based, single page application (SPA) with RESTful backend to support both manual and automated usage.- Designed, developed, and supported cross platform C++ API suite (Linux/Windows) to interface between a high-fidelity propagator and space vehicles. API effort significantly improved performance, accuracy, unit test framework, deployment, and overall quality.

Arlington, Va, Us

- Architected, implemented and automated an enhanced unit test and functional test suite based primarily on Jenkins, Google Test, Python and C++. - Experienced in Modeling, Simulation, and Analysis of RADAR systems- Designed, developed, and integrated numerous mathematical models into simulations and tactical software across multiple projects using primarily C++, MATLAB and Python.- Designed GUI interfaces for 6-DOF simulations using C# and MVC concepts.- Implemented embedded software solutions using C / C++.- Presented weekly to a technical audience and to project management

Arlington, Va, Us

- Designed, developed e-learning modules, simulations, and web applications to facilitate army training and increase knowledge retention- Used C#, WPF, Microsoft Visual Studio and XML to develop a military intelligence training simulation to better engage military soldiers and improve knowledge retention of targeting.- Worked within a small development team that practiced Agile software development principles.- Efficiently supported and debugged a wide range of technical issues to meet deadlines and customer needs.

Santa Clara, California, Us

- Developed, debugged, and enhanced numerous PERL and TCL scripts and flows for various Electronic Design Automation tools (EDA).- Developed and supported synthesis, place and route, and layout verification flows to provide a fast, clean and reliable fill solution for ASIC designs.- Managed and supported an internal archiving tool that allowed users to permanently store crucial data as well as syncing data at different site locations. This allowed for teams to easily and reliably share data within their own team and other teams.- Set new system requirements and methodologies for quality analysis.- Documented tool procedures and specifications via user guides, application notes, and training presentations to provide sustainable solutions.- Supported external and internal vendors and customers to resolve technical issues

Arlington, Va, Us

- Worked with various Raytheon Program Managers to align/update program information and metrics enabling web based reporting.- Created Flash based metrics/widgets using Business Objects Xcelsius that were published in the Raytheon Connect Portal.- Raytheon Programs Database updates and cleanup.