Derk Schooltink
Software Engineer at Sqills
Borne, Overijssel, Netherlands
Summary
👤
Senior🎓
Top SchoolDerk Schooltink is a software engineer with nine years of hands-on experience building backend systems and developer tooling, currently contributing at Sqills. Trained in Computer Software Engineering at Windesheim, he blends Java, PHP and modern Kotlin-based stacks with practical Scrum and supervisory experience gained since 2012. He has strong DevOps and backend sensibilities—his open-source contributions to the widely used AWS CDK include ELBV2 improvements and Lambda runtime/trigger enhancements, showing comfort with cloud infra patterns. Past internships produced production-facing mobile and web prototypes for Dutch national institutions, demonstrating an ability to bridge legacy platforms and modern APIs. Comfortable both coding and coordinating teams, he brings a pragmatic, product-focused approach to solving integration and deployment challenges. Based in Borne, Netherlands, he pairs supermarket industry leadership experience with a steady record of shipping reliable, test-driven software.
9 years of coding experience
Bachelor's degree, Computer Software Engineering, Bachelor's degree, Computer Software Engineering at Windesheim
English, Dutch
Stackoverflow
121reputation
6kreached
6answers
1question
Github Skills (16)
infrastructure-as-code10
aws-lambda10
typescript10
cloud-infrastructure10
typescripts10
aws-cdk10
typescript-types10
ruby9
amazon-eks6
kubernetes6
nginx6
docker6
container6
amazon-web-services6
yaml6
Programming languages (9)
Github contributions (5)
aws/aws-cdk
Feb 2020 - Dec 2022
The AWS Cloud Development Kit is a framework for defining cloud infrastructure in code
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 8 commits, 12 PRs in 2 years 10 months
Contributions summary:Derk contributed to the AWS CDK project by addressing issues and adding features related to the Elastic Load Balancing v2 (ELBV2) construct. Their work included removing suggestions for certificate usage, introducing support for path pattern arrays in application listener rules, and correcting how path patterns are handled in imported listeners. Additionally, the user added Ruby 2.7 runtime support to the AWS Lambda construct, and enhanced the trigger functionality for Lambda functions.
development-kitaws-cloudcloud-infrastructureinfrastructurecloud-development
DerkSchooltink/aws-cdk
Feb 2020 - Apr 2023
The AWS Cloud Development Kit is a framework for defining cloud infrastructure in code
Contributions:2 PRs, 50 pushes, 12 branches in 3 years 2 months
development-kitaws-cloudcloud-infrastructureinfrastructurecloud-development
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