Tim Gatzemeier
Freelance Software Engineer at Rackspace Technology
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolTim Gatzemeier is a freelance software engineer based in Berlin with 11 years of experience delivering cloud-native backend systems, DevOps solutions and migration programs for enterprise clients. He has led architecture, security and feature planning for complex SAP R/3 rip-and-replace migrations to AWS, built merchant onboarding and branding platforms at Klarna, and helped startups and IoT teams ship production services with Kubernetes, Terraform and multi-cloud deployments. A pragmatic full-stack practitioner, Tim moves between hands-on implementation and cross-team coordination—designing secure systems, writing backend code and owning test automation. He’s an active open-source contributor to projects like moto (adding CloudWatch alarm validation) and has practical experience improving performance, cost-efficiency and operational readiness in regulated environments.
11 years of coding experience
6 years of employment as a software developer
Fachinformatiker Anwendungsentwicklung Computer Software Engineering, Fachinformatiker Anwendungsentwicklung Computer Software Engineering at Deutsche Rentenversicherung Bund
German, English
Stackoverflow
2,286reputation
670kreached
21answers
7questions
php
top-5%
Github Skills (27)
boto10
pytest10
python10
back-end-development10
testing10
terraform10
terraform-provider10
terraformer10
aws10
cloudwatch10
test-automation10
auth10
apidoc9
php9
go9
Programming languages (14)
Github contributions (5)
alexkappa/terraform-provider-auth0
Jul 2020 - Sep 2020
ARCHIVED Auth0 Terraform Provider. This project is now being maintained at: https://github.com/auth0/terraform-provider-auth0
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 6 commits, 2 PRs in 1 month
Contributions summary:Tim's commits primarily involve modifying the Auth0 Terraform provider, indicating a focus on backend functionality. Their work includes implementing and refactoring code related to validating connection options, specifically around username validation. The user made significant updates to the resource and test files within the project, introducing new features and resolving some issues. Further commits demonstrate adjustments to internal structures and schema upgrades, directly related to updating the Auth0 provider.
providerterraformterraform-providerauth0terraform-module
getmoto/moto
Mar 2020 - Mar 2020
A library that allows you to easily mock out tests based on AWS infrastructure.
Role in this project:Back-end Developer & QA Engineer/Test Automation Engineer
Back-end Developer & QA Engineer/Test Automation EngineerContributions:5 commits, 1 PR, 2 comments in 1 day
Contributions summary:Tim contributed to the `moto` library, which is designed for mocking AWS infrastructure. Their work focused on adding and testing features related to the CloudWatch service. This included implementing the `actions_enabled` field, making necessary code adjustments in both the backend models and responses, and adding associated test cases. The user's efforts ensure correct behavior and validation of CloudWatch alarm configurations, specifically with the 'actions_enabled' parameter.
ec2bototestinginfrastructureaws-infrastructure
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