Florian Marksteiner
Principal Software Development Engineer - AWS Console at Amazon Web Services (AWS)
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolFlorian Marksteiner is a Principal Software Development Engineer at AWS Console with 12 years of hands-on experience designing and shipping large-scale cloud and backend systems. He progressed through multiple AWS teams (OpsWorks, Systems Manager, Console) and contributes to widely used open-source AWS projects such as the aws-sdk-js and aws-cdk, improving SDK stability, CDK features, and tooling for cloud infrastructure. Florian blends deep backend and DevOps expertise—automating build/deploy flows, fixing critical integration tests, and enabling region-aware agent behavior—with product-facing console engineering. Based in Berlin, he holds an M.Sc. in Computer Science and brings a knack for simplifying developer ergonomics, exemplified by work that made client generation and configuration more reliable and easier to consume.
12 years of coding experience
13 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at Freie Universität BerlinBachelor of Science (B.Sc.) Software Engineering, Bachelor of Science (B.Sc.) Software Engineering at Hochschule Heilbronn - Hochschule für Technik, Wirtschaft und Informatik
German, English
Github Skills (30)
amazon-cloudfront10
javascript10
aws-cdk10
testing10
configuration-management10
typescript10
cloud-infrastructure10
aws-sdk10
chef-client10
aws-cloudformation10
go10
aws10
amazon-s310
build-automation10
typescript-types10
Programming languages (5)
Github contributions (5)
aws/amazon-ssm-agent
Apr 2017 - Jan 2018
An agent to enable remote management of your EC2 instances, on-premises servers, or virtual machines (VMs).
Role in this project:
Back-end Developer
Back-end DeveloperContributions:185 commits in 9 months
Contributions summary:Florian's contributions primarily involved enhancing the configure package functionality within the AWS SSM agent. They implemented region detection for the ssms3 package service, ensuring it functions correctly within different AWS regions. The user also fixed integration tests and addressed issues related to "latest" version handling for package uninstalls, supporting both "" and "latest" formats. Their work involved modifying and refactoring several core configuration files of the agent.
virtual-machine
aws/opsworks-cookbooks
May 2014 - Jul 2016
Chef Cookbooks for the AWS OpsWorks Service
Role in this project:DevOps Engineer
DevOps EngineerContributions:133 commits, 19 pushes, 11 tags in 2 years 1 month
Contributions summary:Florian primarily focused on improving and maintaining the build and deployment processes for the AWS OpsWorks cookbooks. Their contributions include fixing issues with Berkshelf version parsing, correcting typos, and enhancing the cookbook's behavior in various scenarios. They also addressed database configuration issues and fixed tests, ensuring the recipes function correctly. The user's work involved making changes to the libraries, providers, and recipes, leading to a more robust and reliable infrastructure configuration.
aws
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