Christopher R. Wirz
Verified Expert in Engineering
Software Developer
Chris is a technical leader with over 15 years of industry experience. He is a patented inventor who worked for various companies, tools, and technologies. He has also worked for several early-stage startups. With a strong focus on API design and building maintainable software, Chris will help tailor your solution for the business outcome you desire.
Portfolio
Experience
Availability
Preferred Environment
Visual Studio, JetBrains, Visual Studio Code (VS Code)
The most amazing...
...I've built is a custom ML/CV collaborative human-machine-teaming system-of-system models designed for use at the tactical edge.
Work Experience
Software Development Engineer
Amazon Web Services (AWS)
- Led the design and implementation of the Amazon Security Lake resource-oriented API.
- Executed a region build project for the rollout of Security Lake in Frankfurt, Paris, Canada, and Osaka.
- Designed and built serverless components to upgrade customers from Hive to Iceberg parquet table format.
- Authored 27+ on-call runbooks to enhance alarm triaging, minimizing impact on customers.
- Served as rotational on-call primary, managing alerts, canaries, and integration tests to guarantee a high Service Level Agreement (SLA).
- Designed and built an anti-entropy mechanism to reconcile discrepancies with other AWS services.
Co-founder
WirzBrothers Inc.
- Developed web-based applications for collaborative environments related to property management activities.
- Wrote web-scraping tools using C#, Python, PHP, and JavaScript to collect and aggregate data from APIs, WebSources, and other formats into relational SQL data for analysis and machine learning.
- Developed numerical models to evaluate trends and rank investment opportunities within the real estate market using MATLAB.
- Created applications using the .NET 2.0 framework for Windows, developing, in particular, Mobile 6 applications related to performance improvement, file management, and web-server communication.
- Developed VBScript to forecast income based on historical data and current market trends in property management operations.
- Developed C++ and C#-based numerical models for stock ranking and forecasting.
- Customized WordPress installations, developed WordPress themes, and built WordPress plug-ins.
- Wrote business plans, proprietary information agreements, and joint venture agreements for various projects, business studies, and technical investigations.
Lead Associate
Booz Allen Hamilton
- Acted as a senior lead technologist for multi-disciplinary teams developing products such as mobile wireless network routing protocols, video processing and dissemination, network monitoring and anomaly detection, and high availability mission computing.
- Served as project manager and supported proposal efforts for DevSecOps modernization, test automation, and emerging technology business development.
- Designed and implemented secure cross-domain video and fixed-format processing capabilities on low-SWaP (Size Weight and Power) edge hardware such as NVIDIA Jetson Systems on Module (SOM) and embedded systems.
- Rewrote legacy mission computer using high availability Kubernetes architecture and demonstrated rapid prototyping capabilities by substituting production containers with their development alternative.
- Developed applications in various languages, including C#, C++, C, JavaScript, TypeScript, Go, and Python, and libraries such as GStreamer, NVIDIA CUDA, FFmpeg, Electron, ASP.NET Core, Entity, React, Vue, GraphQL, Razor, WCF, and WPF.
- Developed CI/CD DevSecOps workflows for software-based projects within the division.
- Co-founded the Digital Thread team which provided cross-team bar-raising support in DevOps and software engineering best practices.
- Managed career responsibilities for a diverse team, mainly comprising software engineers. This included tasks such as timecard approval, project placement, monthly feedback, career development, and onboarding.
Senior Software Engineer
Northrop Grumman
- Led the fundamental research team as deputy program manager, creating capabilities in artificial intelligence, machine learning, GPU computing, imagery exploitation, and microservices architecture for edge and IoT devices.
- Developed Weapon Planning 2.0 capability integrations into the Northrop Grumman Critical Abstraction Layer and Common Open Mission Systems Architecture.
- Created the first C# version of the Northrop Grumman Enterprise Critical Abstraction Layer, integrating mission planning environments into the System of Services ecosystem in just four lines of code and a DLL reference.
- Built C# .NET 4.6 WPF (MVVM), WCF, and product features in a hosted mission-planning environment.
- Trained team to perform testing and debugging in a virtualized environment and developed related tools.
- Completed 10 invention disclosures and assisted with the capture and deployment of Intellectual Property at the sector and corporate level.
- Developed, documented, managed, and marketed emerging technologies to deliver 30x return on investment (ROI) for company-funded research efforts.
- Created successful demonstration of human-machine-teaming with machine-reasoning AI at the tactical edge.
Senior Systems Engineer
Northrop Grumman
- Developed big-data solutions for logistics support analysis and predictive analytics.
- Performed research and simulation activities to assign maintenance guidance through automated parsing logic.
- Built C# libraries to automate the correlation of document deliverables to military standard database deliverables.
- Developed C# desktop applications to automate the creation of deliverables using local document (XML, JSON, MIL-STD) files and SQL connection services.
- Created a C# reflection-based Object-relational Mapping (ORM) library capable of performing in a Windows XP .NET 2.0 environment (without a dependency on Linq).
- Wrote a C# application to manage, reconcile, and correlate large sets of data across multiple databases and servers.
- Established a fully integrated systems engineering pipeline from design to sustainment with complete feedback loop (using in-house developed software capabilities).
Software Application Engineer
Phoenix Integration
- Built C# Component Object Model (COM)-based plug-in solutions for use in ModelCenter, interfacing with mainstream desktop tools, protocols, and even titles that were still in the "tech preview" stage.
- Modified the current website codebase for Phoenix-maintained sections of the 2012 website overhaul.
- Addressed technical support questions and issues through Phoenix Knowledge Base via phone.
- Developed training materials to demonstrate the newest and most desired capabilities of ModelCenter and AnalysisServer.
- Provided on-site training for customers using ModelCenter and AnalysisServer.
- Provided customer support, documentation and training, consulting, services, and sales support.
Co-founder
YouFolio LLC
- Built tech previews and prototypes using PHP, Java, JavaScript, jQuery, CSS3, and HTLM5 for deployment on the cloud (AppEngine) or a Linux (LAMP) server.
- Handled filing of US Patent 13851352. Filed trademarks for "YouFolio" (serial: 85/595-469).
- Wrote first business plans and requirements analysis.
- Filed for corporate status (wrote charter, received EIN, DUNS, and more).
Senior Aeronautical Engineer
Lockheed Martin
- Managed projects.
- Undertook performance prediction analysis.
- Developed IADS Real-Time Station user interfaces to alert and report flight monitoring conditions and flight test continuation criteria.
- Maintained databases to track and report program-level (earned value) metrics with respect to flight test execution and milestone completion.
- Produced software to automatically generate graphical reports.
- Developed Visual Basic software to automate the tracking and planning of test point execution, as well as forecast the effort required to meet desired metrics.
- Built numerical models and graphical user interfaces for advanced thermal processes to understand energy usage, gas usage, measurement requirements, controller selection, batch processing, and equipment right-sizing to make recommendations on production transition and manufacturing for full-rate capacity needs.
Mechanical Engineer
JNE Consulting
- Performed P&ID, thermal analysis, and flexibility studies.
- Verified design and construction compliance with ASME, customer, and internal code.
- Checked and built deliverable calculations datasheets for heat transfer and structural concepts related to process piping, fluid flow, and piping support.
- Worked with a team of professional engineers to design and analyze structural and piping schemes.
Experience
Multi-input Multi-output Modeling using Global-local Approximations with Sparsity Constraints
https://www.chriswirz.com/portfolio/MULTI-INPUT-MULTI-OUTPUT-MODELING-Thesis.pdfUS Patent 20120318294
https://www.chriswirz.com/portfolio/US20120318294A1.pdfUS Patent 20120321800
https://www.chriswirz.com/portfolio/US20120321800A1.pdfSkills
Languages
PHP, C#, C#.NET, JavaScript, Java, C++, ECMAScript (ES6), HTML, Visual Basic for Applications (VBA), Java 7, C, SQL, JavaScript 6, TypeScript, Python
Libraries/APIs
jQuery, API Development, Node.js, React, Vue
Platforms
Amazon Web Services (AWS), Docker, Windows Phone, Windows, Visual Studio Code (VS Code), Kubernetes
Other
Full-stack, Software Design, APIs, Technical Leadership, Architecture, Real Estate, API Integration, AWS Certified Solution Architect, Solution Architecture, Research, US Patent Process, Business, Computer Vision, Machine Learning, PayPal
Frameworks
Bootstrap
Tools
JetBrains, MATLAB, PhpStorm, Visual Studio, Visual Studio 2010, Visual Studio 2015, AWS CLI
Paradigms
Agile Software Development
Storage
MySQL, MongoDB, PostgreSQL
Industry Expertise
Cybersecurity
Education
Master's Degree in Software Engineering
Harvard University - Cambridge, MA, USA
Master's Degree in Business Administration (MBA)
University of Massachusetts - Amherst - Amherst, MA, USA
Master of Science Degree in Mechanical and Aerospace Engineering
University at Buffalo - Buffalo, NY, USA
Certifications
CSSLP - Certified Secure Software Lifecycle Professional
ISC2
CISSP
ISC2
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