Felix Gläske, Developer in Berlin, Germany
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Felix Gläske

Verified Expert  in Engineering

Go Developer

Location
Berlin, Germany
Toptal Member Since
July 21, 2014

Felix is a software engineer and consultant offering a variety of services around distributed systems, application development and the cloud in general. He's experienced in planning, writing, and operating distributed systems, both in the application and the infrastructure side. He can help you to determine if you can/should move to a cloud provider and assist you on the path of migration.

Back-endAnsiblePHPDockerKubernetesMySQLLinuxPostgreSQLGitGoogle Cloud Platform (GCP)GoAmazon Web Services (AWS)JavaScriptNode.jsJenkins

Portfolio

Zeppelin Lab
Amazon Web Services (AWS), Prometheus, Terragrunt, Go, Kubernetes, Back-end
Mindtrustlabs
Terraform, Google Kubernetes Engine (GKE), Google Compute Engine (GCE), Go...
Talone.One
Google Kubernetes Engine (GKE), Google Compute Engine (GCE), Go, Kubernetes...

Experience

Linux - 8 yearsAnsible - 5 yearsGo - 4 yearsDocker - 4 yearsGoogle Cloud Engine - 4 yearsKubernetes - 3 yearsAmazon Web Services (AWS) - 3 years

Availability

Part-time

Preferred Environment

Kubernetes, Go, Linux, Git

The most amazing...

...product I've launched is https://www.update.rocks.

Work Experience

DevOps and Back-end Engineer

2019 - PRESENT
Zeppelin Lab
  • Used Terragrunt in a large setup.
  • Evolved the infrastructure from single to multiple environments.
  • Implemented features in Golang.
  • Handled CI/CD with CircleCI and ArgoCD.
  • Managing Kafka.
  • Managed a Kubernetes multi cluster.
  • Utilized Helm.
Technologies: Amazon Web Services (AWS), Prometheus, Terragrunt, Go, Kubernetes, Back-end

DevOps Engineer

2019 - PRESENT
Mindtrustlabs
  • Set up and maintained a k8s cluster.
  • Managed infrastructure using Terraform.
  • Developed the back end using Golang.
  • Managed ingresses using Traefik.
Technologies: Terraform, Google Kubernetes Engine (GKE), Google Compute Engine (GCE), Go, Kubernetes, Back-end, Google Cloud Platform (GCP)

DevOps Engineer

2019 - 2019
Talone.One
  • Wrote Kubernetes operators.
  • Conducted experimental research.
  • Showcased experiments.
  • Developed prototypes to production-ready pieces.
Technologies: Google Kubernetes Engine (GKE), Google Compute Engine (GCE), Go, Kubernetes, Back-end

Lead Engineer

2018 - 2019
Cloudradar
  • Reviewed potential candidates.
  • Reviewed code.
  • Designed architecture for a cross-platform monitoring tool.
  • Implemented a system monitoring tool.
  • Worked on data aggregation.
  • Implemented CI/CD workflow.
  • Built and hosted Linux packages (rpm/deb).
Technologies: Windows, MacOS, Linux, Go, Back-end

DevOps

2018 - 2018
HeyCar
  • Reverse engineered the existing non-documented setup.
  • Architected a cluster creation workflow.
  • Managed infrastructure with Terraform.
  • Deployed and managed clusters on AWS.
Technologies: Terraform, Kubernetes Operations (kOps), Go, Kubernetes, Git, Back-end

Software Engineer

2018 - 2018
Zeidler Legal Services
  • Created an MVP for a document sharing system based on IPFS.
  • Integrated IPFS into the application.
Technologies: Amazon Web Services (AWS), IPFS, MySQL, Go, Back-end

Lead Developer

2017 - 2018
XBT
  • Created system architecture for a cryptocurrency trading system which should be used by in-house traders.
  • Created an end-to-end encrypted message system based on ZeroMQ.
  • Created APIs consumed by front-end/mobile clients.
  • Communicated with multiple exchanges, read data, analyzed data, and forwarded actions based on analysis.
  • Handled latency-sensitive application requirements.
  • Created and implemented network architectures.
Technologies: ZeroMQ, Linux, Go, Back-end

Software Engineer

2017 - 2017
Epulze
  • Designed and implemented a tournament and betting platform.
  • Developed testing strategies.
  • Integrated with a bunch of external services.
Technologies: Git, PostgreSQL, Go, Back-end

Software Engineer

2016 - 2017
Exaring AG
  • Deployed and ran software on Kubernetes.
  • Developed software in Golang.
  • Integrated and used Prometheus.
  • Implemented Slack integrations and microservices.
  • Worked with AWS Lambda.
  • Created infrastructure with Terraform.
  • Created Prometheus exporters.
  • Worked on a traffic distribution service.
Technologies: Amazon Web Services (AWS), Linux, Terraform, Slack, Kubernetes, Prometheus, Go, Back-end

Golang Infrastructure Engineer

2016 - 2017
MustWin.com
  • Added HashiCorp Consul support to Kubernetes.
  • Analyzed Etcd storage implementation and adapted to Consul.
  • Worked around implementation differences in Etcd and Consul.
Technologies: Kubernetes, Go, Back-end

DevOps/Back-end Developer

2016 - 2016
Splash/Viorama
  • Developed the back end in Golang.
  • Managed cluster functionality with Kubernetes.
  • Utilized GKE and GCE.
Technologies: Google Kubernetes Engine (GKE), Google Compute Engine (GCE), Kubernetes, Go

System Engineer and Developer

2015 - 2016
Kinsta.com
  • Handled system provisioning with Ansible.
  • Connected web UI with an Ansible-based back-end system.
  • Handled setup/deployment of HA databases, Nginx, and PHP engines.
  • Handled web app development with Laravel 5.1.
Technologies: Google Compute Engine (GCE), NFS, Ansible, Google Kubernetes Engine (GKE), Kubernetes, Docker, Ubuntu, PHP, Back-end

DevOps

2014 - 2016
Efa GmbH
  • Managed various services like Jira, Confluence, GitLab, and Jenkins.
  • Handled testing/staging/production system management with Ansible.
  • Developed a Docker-based local development environment.
  • Implemented CI/CD integration based on Docker/Jenkins.
  • Developed processes to keep systems and Docker files up to date.
  • Implemented several monitoring/alerting systems.
  • Implemented task runners for HuBot.
Technologies: Ansible, Git, Node.js, Jenkins, Ubuntu, NGINX, Docker, Back-end

DevOps

2014 - 2014
MediaEvent Services GmbH & Co. KG
  • Created different application stacks with Amazon OpsWorks.
  • Converted plain Bash scripts to Chef cookbooks and recipes.
  • Created application deployment processes.
  • Analyzed which orchestration tool fits best for the company.
Technologies: Amazon Web Services (AWS), Ansible, Chef, Linux

Software Engineer

2013 - 2014
Performates UG
  • Reviewed the old application created by an agency.
  • Created an SOA for the new application.
  • Created an application with Laravel based on the functionality of the old application.
  • Handled administration of the Linux servers.
Technologies: Linux, PHP, Laravel

Software Engineer

2013 - 2014
Semigator GmbH
  • Created a back-office application for internal use with AngularJS.
  • Created a REST API for the AngularJS application.
Technologies: CodeIgniter, PHP, AngularJS

Software Enigneer

2011 - 2013
Ampelmann GmbH
  • Developed an internally used time tracking solution.
  • Created methods to export to other services.
  • Created the front end with Bootstrap.
  • Built an interactive GUI with JavaScript.
Technologies: Bootstrap, jQuery, CodeIgniter, MySQL, PHP

Software Engineer

2011 - 2013
ByteFM
  • Implemented a web player with Node.js.
  • Handled administration of all servers, including web servers and database servers. Created backup plans and more.
  • Maintained a legacy PHP system.
  • Protected the website against SQL injections.
  • Implemented new features and fixed bugs.
Technologies: MySQL, Node.js, Linux, CSS, PHP

Ansible Cluster

https://github.com/soupdiver/ansible-cluster
An example configuration for a web app using several servers.

CloudRadar

CloudRadar is the leading edge SaaS server, network, and web monitoring solution, jam-packed with metrics for DevOps and SysAdmins.

Waipu.tv

https://www.waipu.tv/
An online service that enables the user to watch television via an app, built for the German market.

UpdateRocks

https://www.update.rocks
An auto update service for Electron and other applications.

Languages

PHP, JavaScript, Go, CSS

Tools

Ansible, Jenkins, Git, NGINX, Google Kubernetes Engine (GKE), Google Compute Engine (GCE), Slack, Terraform, Chef, Subversion (SVN)

Platforms

Docker, Kubernetes, Google Cloud Engine, Linux, Amazon Web Services (AWS), Google Cloud Platform (GCP), Ubuntu, MacOS, Windows, iOS

Other

Back-end, NFS, Prometheus, IPFS, Kubernetes Operations (kOps)

Frameworks

Laravel, CodeIgniter, Bootstrap, AngularJS

Libraries/APIs

Node.js, jQuery, ZeroMQ, Terragrunt

Storage

MySQL, PostgreSQL, Redis, NoSQL, CouchDB

Paradigms

Test-driven Development (TDD)

2010 - 2014

Bachelor's Degree in Applied Computer Science

Hochschule für Technik und Wirtschaft - Berlin

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