I currently contract and freelance, primarily in the .NET space. I've also done some work in the past in C++ and Java.
Literature
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Stack Overflow
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The Workplace
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Science Fiction & Fantasy
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Meta Stack Exchange
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Biblical Hermeneutics
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Personal Finance & Money
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Mathematics
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Philosophy
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German Language
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Martial Arts
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Super User
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Software Engineering
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Area 51
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Law
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Christianity
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Psychology & Neuroscience
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Language Learning
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Home Improvement
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Worldbuilding
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Economics
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Data Science
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Biology
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English Language & Usage
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Seasoned Advice
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Information Security
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Computer Science
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Cross Validated
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Chess
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Linguistics
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Software Recommendations
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Sports
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Computer Science Educators
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Music Fans
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Chemistry
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Server Fault
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Web Applications
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Unix & Linux
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English Language Learners
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Aviation
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Arqade
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Theoretical Computer Science
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Ask Different
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Mathematica
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Board & Card Games
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Signal Processing
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Operations Research
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French Language
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Hinduism
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Islam
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Buddhism
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Tor
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Bicycles
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Mi Yodeya
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Spanish Language
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Beer, Wine & Spirits
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Space Exploration
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Salesforce
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Latin Language
Q&A for linguists, teachers, and students wanting to discuss the finer points of the Latin language
Stack Overflow en español
Preguntas y respuestas para programadores y profesionales de la informática
Stack Apps
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Reverse Engineering
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Emacs
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Ukrainian Language
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Artificial Intelligence
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MathOverflow
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Mathematics Educators
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Amateur Radio
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Matter Modeling
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Poker
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Quantitative Finance
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Internet of Things
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DevOps
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Stack Overflow на русском
Вопросы и ответы для программистов
Engineering
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Robotics
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Stellar
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Magento
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Woodworking
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Genealogy & Family History
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Raspberry Pi
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Earth Science
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Arduino
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Japanese Language
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Network Engineering
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Retrocomputing
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Astronomy
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Blender
Q&A for people who use Blender to create 3D graphics, animations, or games
Homebrewing
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Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Bitcoin
Q&A for Bitcoin users, developers, and enthusiasts
Ethereum
Q&A for users of Ethereum, the decentralized application platform and smart contract enabled blockchain
Role-playing Games
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Drupal Answers
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Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Database Administrators
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Quantum Computing
Q&A for engineers, scientists, programmers, and computing professionals interested in quantum computing
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Travel
Q&A for road warriors and seasoned travelers
Photography
Q&A for professional, enthusiast and amateur photographers
User Experience
Q&A for user experience researchers and experts
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
SharePoint
Q&A for SharePoint enthusiasts
Code Golf
Q&A for programming puzzle enthusiasts and code golfers
3D Printing
Q&A for 3D printing enthusiasts
Stack Overflow em Português
Perguntas e respostas para programadores profissionais e entusiastas
Game Development
Q&A for professional and independent game developers
Chinese Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
Sustainable Living
Q&A for folks dedicated to a lifestyle that can be maintained indefinitely without depleting available resources
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Expatriates
Q&A for people living abroad on a long-term basis
WordPress Development
Q&A for WordPress developers and administrators
Korean Language
Q&A for linguists, teachers and students of the Korean language
CiviCRM
Q&A for administrators and users of the CiviCRM Constituent Relationship Management software
Physics
Q&A for active researchers, academics and students of physics
Freelancing
Q&A for self-employed and freelance workers
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
The Great Outdoors
Q&A for people who love being outdoors enjoying nature and wilderness, and learning about the required skills and equipment
Puzzling
Q&A for those who create, solve, and study puzzles
EOS.IO
Q&A for users and developers of distributed applications built on top of the blockchain operating system, EOS.IO
Bricks
Q&A for LEGO® and building block enthusiasts
Anime & Manga
Q&A for anime and manga fans
Lifehacks
Q&A for people looking to bypass life's everyday problems with simple tricks
Video Production
Q&A for engineers, producers, editors and enthusiasts spanning the fields of video and media creation
Open Data
Q&A for developers and researchers interested in open data
Ask Patents
Q&A for people interested in improving the patent system
Proof Assistants
Q&A for mathematicians and computer scientists who develop and use proof assistants
Veganism & Vegetarianism
Q&A for those committed to a vegan or vegetarian lifestyle and anyone interested in learning more