Andreas Putzo, Developer in Berlin, Germany
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Andreas Putzo

Verified Expert  in Engineering

Bio

Andreas is an IT expert with 15+ years of experience and a strong OPS background. His excellent code skills, a good understanding of architecture, and the ability to design modern cloud-based IT infrastructure and applications enable him to utilize a variety of tech stacks. He's a quick learner and enjoys problem-solving with teams that have the responsibility to make their own technical decisions and build robust, automated environments.

Portfolio

KPS digital GmbH
DevOps, Grafana, Prometheus, Go, Terraform, Terragrunt, Kubernetes, Azure...
ebay Inc.
Linux, Google Cloud Platform (GCP), DevOps, Varnish, Prometheus, Sensu, Nomad...

Experience

  • Linux - 20 years
  • Puppet - 5 years
  • SaltStack - 5 years
  • Elasticsearch - 5 years
  • Kubernetes - 5 years
  • Terraform - 5 years
  • Amazon Web Services (AWS) - 5 years
  • Prometheus - 3 years

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), Ansible, Terraform, SaltStack, Puppet, Kubernetes, Linux, Azure, Azure DevOps

The most amazing...

...project I've worked on was helping a major fast growing, multi-tenant eCommerce site to fulfill automatic and zero downtime failover exercises.

Work Experience

Senior DevOps Engineer

2021 - PRESENT
KPS digital GmbH
  • Developed and improved the Terraform code for the Elkjop project, which ran on Azure AKS.
  • Executed performance testing and recommended best practices to development teams.
  • Implemented Blue/Green deployment strategies using flagger.
  • Built infrastructure using Terragrunt/Terraform and wrote tests using Terratest.
  • Build and set up CI/CD Pipelines with TeamCity and Jira.
Technologies: DevOps, Grafana, Prometheus, Go, Terraform, Terragrunt, Kubernetes, Azure, Azure Kubernetes Service (AKS), Instana, Splunk, TeamCity, Bitbucket, Site Reliability Engineering (SRE), Datadog, CI/CD Pipelines

Principal DevOps and SRE Engineer

2014 - 2019
ebay Inc.
  • Worked DevOps for the fast-growing and high traffic platforms of eBay Kleinanzeigen and mobile.de that run on a multi-region hybrid cloud solution and became the technical lead within the SRE team.
  • Migrated the public search from Solr to Elasticsearch.
  • Participated in and drove various projects, like regular failover tests, data- and technology migrations, and to further enhance the stability of the platform.
  • Took the technical lead in the migration to a private OpenStack cloud.
  • Supported the migration from a monolithic architecture to microservices and from MySQL to Kafka as a central data store.
  • Created Kubernetes Clusters on OpenStack and supporting infrastructure.
  • Developed fault-tolerant monitoring solutions based on ELK Stack, Sensu, Prometheus, and PagerDuty.
Technologies: Linux, Google Cloud Platform (GCP), DevOps, Varnish, Prometheus, Sensu, Nomad, MySQL, OpenStack, Cassandra, Apache Solr, Elasticsearch, Kubernetes, SaltStack, Puppet, Site Reliability Engineering (SRE), CI/CD Pipelines

Experience

SaaS Solution for Nomad

A Ruby on Rails application to allow developers to deploy pre-packaged applications to a Nomad Cluster via WebUI, CLI, or REST interface. This provides a self-service solution for developers to quickly set up software or database backends preconfigured following best practice guidelines.

CockroachDB - An Operator for Kubernetes

A Kubernetes operator to manage Cockroach databases. The development team wanted to deploy on-demand feature environments within their Agile development process. To fit the handling of database instances into this project, I created an operator for Kubernetes to manage those databases and it ran flawlessly from day one.

Skills

Libraries/APIs

Terragrunt

Tools

Terraform, Grafana, Puppet, SaltStack, Varnish, GitLab CI/CD, Azure Kubernetes Service (AKS), Ansible, Apache Solr, Instana, Splunk, TeamCity, Bitbucket

Paradigms

DevOps, Azure DevOps

Platforms

Linux, Kubernetes, Sensu, Apache Kafka, Amazon Web Services (AWS), Azure, Docker, OpenStack, Google Cloud Platform (GCP)

Storage

Elasticsearch, MySQL, MongoDB, Cassandra, CockroachDB, PostgreSQL, Datadog

Languages

Go, Ruby, Python

Frameworks

Ruby on Rails (RoR)

Other

Shell Scripting, Site Reliability Engineering (SRE), Prometheus, AWS DevOps, AWS Cloud Architecture, IT Infrastructure, CI/CD Pipelines, Nomad

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