David J.
Shourabi Porcel

Hamburg,
Germany

david@djsp.eu www.djsp.eu kalrish

certifications

languages

Spanish
English
German

hobbies

cycling
plain text accounting

software development & delivery • Linux • AWS

topics

Gentoo & Portage
Debian & Ubuntu

infrastructure as code
immutable infrastructure

CI/CD
DevOps
GitOps

AWS landing zones
AWS compliance & governance

programming languages

Bash
Python
TypeScript

career

2022-12–2024-06	AWS Cloud Engineer	evoila GmbH
2022-04–2022-10	Systems Engineer	Smaato, Inc.
2018-10–2022-03	Junior Systems Engineer	Smaato, Inc.
2018-03–2018-09	Systems Engineer Assistant	Smaato, Inc.
2016-07–2016-09	Working student	Minebea Intec GmbH

projects

2024-02–2024-04	`HTTP 403`
2023-01–2023-02	Varengold Bank AG

education

2017-09–2018-09	Bachelor of Computer Science	Technische Universität Hamburg
2014-09–2016-06	Bachelor of Philosophy	Universidad de Granada

experience

AWS Cloud Engineer

2022-12-01–2024-06-30

evoila GmbH

remote

built AWS landing zones & AWS applications for customers with both the CDK & Terraform
brought IaC to customers’ AWS landing zones with a custom framework to manage AWS organizations as CDK apps
improved reproducibility & supply chain resilience for customers
secured software development and delivery to customers with GnuPG and YubiKeys
created a library of reusable GitHub Actions CI/CD components for customers
automated testing & deployment of AWS CDK apps and Terraform configurations with GitHub Actions
developed standard operating procedures around automation, data protection, monitoring, incident handling, networking and security in AWS
established the company in the AWS Partner Network by getting it validated within the Service Delivery program
helped market AWS offerings
helped train AWS sales team

Systems Engineer

2022-04-01–2022-10-31

Smaato, Inc.

remote

created a Docker-based open source solution to build and check Debian packages for different Debian and Ubuntu releases
maintained Debian repositories and mirrors in Asia, China, Europe & North America
packaged third-party and internal software for Ubuntu with git-buildpackage
developed a base VM image for all workloads on AWS EC2
managed Linux servers on AWS EC2 with Puppet
migrated workloads from AWS EC2 to Kubernetes
improved service reliability by promoting best practices around service containerization
prepared migration from monolithic AWS account to a landing zone
maintained AWS infrastructure with CloudFormation
operated the company’s AWS VPCs
monitored Linux systems & AWS cloud processes with Datadog and Splunk

Junior Systems Engineer

2018-10-01–2022-03-31

Smaato, Inc.

Hamburg, Germany & remote

reduced the company’s AWS expenditure & made accounting easier with a tagging & configuration compliance solution based on Cloud Custodian
developed a base VM image for all workloads on AWS EC2
managed Linux servers on AWS EC2 with Puppet
packaged third-party and internal software for Ubuntu with git-buildpackage
wrote Linux system software in Python & packaged it for Ubuntu with dh-virtualenv
sped up software development with an AWS IAM security model based on permissions boundaries that let people manage their workloads’ permissions without the risk of privilege escalation
maintained AWS infrastructure with CloudFormation
operated the company’s AWS VPCs
monitored Linux systems & AWS cloud processes with Datadog and Splunk

experience

Systems Engineer Assistant

2018-03-01–2018-09-30

Smaato, Inc.

Hamburg, Germany

developed a base VM image for all workloads on AWS EC2
automated VM image builds & tests with Jenkins, Packer and Serverspec
set up Debian repositories to mirror official & third-party repositories and host the company’s own packages in Asia, China, Europe & North America
created a CI/CD system based on AWS CodePipeline and AWS CodeBuild to build, check and deploy Debian source & binary packages
maintained AWS infrastructure with CloudFormation

Working student

2016-07-01–2016-09-30

Minebea Intec GmbH

remote

developed an Android app to control weighing scales with the smart glasses Vuzix M100

work

github.com/ glawit

Implementation of the git LFS API that I wrote in Python. It runs on AWS Lambda behind API Gateway, with S3 for storage.
github.com/kalrish/ json2lua

C++ library and command I created to convert JSON into Lua tables efficiently and with a very low memory footprint.
github.com/ mustup

Modular build system to encode & tag music in original quality, written in Python. You can see my music collection at github.com/kalrish/music.
github.com/kalrish/ whalian

Containerized Debian package build system with a bit of Bash & Docker magic.
github.com/ lappen-und-ketzer

TCP chat service and command-line client for Windows I wrote in C.
github.com/kalrish/ dotfiles

My user configuration.
github.com/kalrish/ website

Personal webpage with a little link tree and some information about me. HTML & CSS written from scratch. Responsive. Adjusts to the user's color scheme preference.

This CV is part of my website. It, too, is built on HTML & CSS that I've written myself. You can view it in your browser and also print it.
github.com/kalrish/ aws-csgo

CloudFormation & Ansible for a Counter Strike: Global Offensive server on EC2.