Kevin Dejong
Senior Software Development Engineer at Amazon Web Services (AWS)
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolKevin Dejong is a Senior Software Development Engineer with 10+ years building cloud-native infrastructure, DevOps tooling, and CI/CD at scale, currently driving engineering at AWS from Seattle. He has deep hands-on expertise in CloudFormation, having been an early contributor and foundational author on cfn-lint and improved provider tooling—work that strengthened testing, Python support, and IDE integration for thousands of users. His career blends customer-focused cloud architecture and platform engineering with open source craftsmanship, improving robustness in build systems and template validation. Prior roles span solution architecture and developer advocacy across AWS and enterprise retail, where he led automation, infrastructure testing, and orchestration efforts. Kevin pairs a Masters in Business with a CS background, bringing both technical depth and product-minded impact to infrastructure and developer experience problems.
10 years of coding experience
13 years of employment as a software developer
BS Computer Science, BS Computer Science at University of MinnesotaMasters Business, Masters Business at University of Minnesota - Carlson School of Management
Github Skills (29)
visual-studio-code10
pytest10
python10
file-parsing10
cicd10
automation10
aws-cloudformation10
aws10
parsing10
html-parsing10
linter10
automations10
text-parsing10
par10
testing9
Programming languages (14)
Github contributions (5)
aws-cloudformation/cfn-lint-visual-studio-code
May 2018 - Dec 2022
CloudFormation Linter IDE integration, autocompletion, and documentation
Role in this project:
Cloud Engineer / Infrastructure Engineer
Cloud Engineer / Infrastructure EngineerContributions:37 releases, 15 reviews, 174 commits in 4 years 8 months
Contributions summary:Kevin primarily worked on enhancing the integration of a CloudFormation Linter within Visual Studio Code. Their contributions include restructuring the project to align with ESLint configuration, updating dependencies and ports. They also added functionality for previewing graphs and introduced support for more advanced CloudFormation features like custom schema integration and rule configurations, demonstrating a focus on improving the tool's usability and functionality.
linteraws-cloudformationvisual-studio-codecfn-lintaws-sam
aws-cloudformation/cfn-lint
Apr 2018 - Jan 2023
CloudFormation Linter
Role in this project:Back-end Developer & Automation Engineer
Back-end Developer & Automation EngineerContributions:365 releases, 444 reviews, 1229 commits in 4 years 10 months
Contributions summary:Kevin was the first contributor to the cfn-lint project, initiating the codebase and introducing core functionalities. They implemented the foundational structure for the linter, including the rule and transform engines, and handling basic template parsing and validation. Their contributions involved creating the initial code commit and implementing fundamental features, adding crucial elements for parsing and validating CloudFormation templates. This also includes setting up the test frameworks.
linteraws-cloudformationcfn-lintaws-samcloudformation-linter
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