Marshall Porter Email & Phone Number

Sunnyvale, California, Us

Work with FTEs on Meta, Facebook Reality Labs AR/VR Wireless Platform Team, and Connectivity Team-Develop automated testing tools in Python and Javascript-Utilize open-source platforms like Django and Angular for enhancing a device testing framework; added support for UI based testing, distributed scheduling and live streaming results -Write Jinja2 templated Presto SQL query system on top of Hive and MySQL-Script repeat processes in Powershell and Bash-Create custom data storage, retrieval, query, and UI solutions using internal tools and services for data analytics-Setup shared cloud machines using Ansible

Washington, Dc, Us

Created new user interfaces to display commercial property analytic data-Charts and reports for market, submarket and property level data aggregations-C# APIs for data slicing based on time indexes, with Redis for caching-C# static dictionary based mapping pattern for performing repeated data calculations and mutations.. improved backend performance, maintainability and reduced memory consumption-Custom React components in TypeScript for creating stylized data grid layouts-Used Redux and RxJs middleware to facilitate client-side data fetching, caching and application state changes-Added features to legacy Knockout and ASP.NET applicationsEnhanced Neo4j graph database used for user recommendation engine-Converted data ingestion cron scripts from Groovy to Python, improving performance and error handling-Optimized Cypher queries for performance-Created Docker build scripts.. supported running engine and data ingestion in both Linux and WindowsMaintained multiple monolithic applications comprised of 100s of projects-Wrote framework to wrap Git-Tfs, MSBuild, Nuget, RClone overtop of Tfs to rapidly filter, pull, rebase and build dozens of C# projects, utilizing latest Powershell Core 6.x threading features-Developed PowerShell scripts to automate conversion of legacy MSTest, NUnit, Moq, FakeItEasy, AutoFixture code to latest Nuget package versions-Rewrote custom NUnit testing engine, reduced complexity-Created Python ElasticSearch data harvester combined with Pandas based Jupyter notebook to analyze API performance traces.. identified database hotspotsTrained new members on development process and helped familiarize them with custom architectures

San Diego, Ca, Us

Created customizable, quasi-microservice platform framework targeting .NET Core 1.x-Heavy reliance on NancyFx, Redis, NLog and Dapper..-Represented company at ElasticSearch user conference and proposed designs incorporating Elastic products for application logging and monitoring-Implemented bug fixes for legacy Silverlight and ASP.NET applicationsRefactored monolithic C#, .NET, WCF and SOAP based application SOA backend platform-Replaced custom object factories with SimpleInjector using assembly scanning and reflection, greatly reducing code complexity and improving maintainability-Replaced semi-manual AutoMapper implementation with custom n-tier layer to layer object mapping APIs using reflection and dynamic types, to reduce code maintenanceConverted deeply-nested synchronous system to more scalable asynchronous system-Replaced direct MSMQ connections with new abstraction library and RabbitMQ implementation-Collaborated on designs for using Redis cluster to replace NCache cluster for application caching-Wrote integration, functional and unit tests using Moq, MSTest and NUnitAssisted senior database engineers upgrade systems to MSSQL 2016 database projects-Wrote PowerShell scripts and modules to generate SQL stored procedure wrappers-Created replacement libraries for legacy Entity-based auto-generated wrappers using static Dapper based design, including proper interface abstraction, improving performance and testabilityDesigned and implemented feature toggling and role-based access control (RBAC) capability in Angular.js 1.x application

New York, Ny, Us

Maintained and extended suite of applications for configuring, controlling, and monitoring satellite modems-Heavily used C#, .NET, Castle.Windsor, Moq, MSTest in WPF, MVVM applicationsWorked on C# and C data access layer libraries and APIs interfacing with mesh modems-Enhanced SNMP MIB parsing tools for additional compile- and run-time safety-Designed and coded SSH communication and connection pooling adapter using P/Invoke to interface with C-based Mocana SSH library-Designed and coded asynchronous SNMP caching and polling algorithms incorporating load balancing, scheduling and throttling, using weak references-Coded event based SNMP Trap notification systemDesigned and implemented software DevOps practices-Continuous integration system using Git and TeamCity-Project dependency resolution, and code signing using PowerShell scripts-Project installation using Wix installers and bootstrappersAided senior engineers with implementing platform updates for the embedded VxWorks targets

Kansas City, Missouri, Us

Responsible for developing and maintaining electronic medical record (EMR) solutions for clinical documentation and billing by-Developing WPF, MVVM applications using C#, nHibernate, CSLA-Participated in Agile SCRUM development teamsTested and supporting solutions-Enhanced automated unit testing framework using NMock, MSTest and NUnit-Extended Sybase message-based transactional replay distributed database syncing model

Herndon, Va, Us

Provided technical support for CORBA based service-oriented distributed communications middleware products written in C++, Ada and Java, including DO-178B certified RTOS platforms-Designed and ran integration test suite against various real-time operating systems, including WindRiver VxWorks and GreenHills Integrity-Constrained stack and heap sizes on embedded systems, balanced process and protocol priorities, optimized kernels with POSIX and C++ runtimes-Established and recovered network transport connections, verified QoS featuresCreated Python and Bash scripts to automate builds on hosts for cross-compiled targetsDeveloped cross-platform demonstration program using Qt framework as a racing game server, interfacing with Android device clients, all running identical CORBA middleware core