Felix Gläske, Go Developer in Berlin, Germany
Felix Gläske

Go Developer in Berlin, Germany

Member since December 5, 2013
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.
Felix is now available for hire

Portfolio

Experience

Location

Berlin, Germany

Availability

Part-time

Preferred Environment

Git, Linux, Golang, Kubernetes

The most amazing...

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

Employment

  • 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: Kubernetes, Golang, Terragrunt, AWS, Prometheus
  • 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: Kubernetes, Golang, GCE, GKE, Terraform
  • DevOps Engineer

    2019 - 2019
    Talone.One
    • Wrote Kubernetes operators.
    • Conducted experimental research.
    • Showcased experiments.
    • Developed prototypes to production-ready pieces.
    Technologies: Kubernetes, Golang, GCE, GKE
  • 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: Golang, Linux, MacOS, Windows
  • 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: Git, Kubernetes, Go, Kops, Terraform
  • Software Engineer

    2018 - 2018
    Zeidler Legal Services
    • Created an MVP for a document sharing system based on IPFS.
    • Integrated IPFS into the application.
    Technologies: Golang, AWS, MySQL, IPFS
  • 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: Golang, Linux, ZeroMQ
  • Software Engineer

    2017 - 2017
    Epulze
    • Designed and implemented a tournament and betting platform.
    • Developed testing strategies.
    • Integrated with a bunch of external services.
    Technologies: Golang, Postgres, Git
  • 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: Golang, Prometheus, Kubernetes, Slack, AWS, Terraform, Linux
  • 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: Golang, Kubernetes, Etcd
  • DevOps/Back-end Developer

    2016 - 2016
    Splash/Viorama
    • Developed the back end in Golang.
    • Managed cluster functionality with Kubernetes.
    • Utilized GKE and GCE.
    Technologies: Golang, Kubernetes, GCE, GKE
  • 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: PHP, Ubuntu, Docker, Kubernetes, GCE, GKE, Ansible, NFS
  • 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: Docker, Nginx, Ubuntu, Jenkins, Node.js, Git, Ansible
  • 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: AWS, Linux, Chef, Ansible
  • 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: Laravel, PHP, Linux
  • 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: AngularJS, PHP, CodeIgniter
  • 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: PHP, MySQL, CodeIgniter, jQuery, Bootstrap
  • 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: PHP, CSS, Linux, Node.js, MySQL

Experience

Skills

  • Languages

    PHP, JavaScript, Go
  • Tools

    Ansible, Jenkins, Git, Chef, Subversion (SVN)
  • Platforms

    Docker, Kubernetes, Google Cloud Engine, Linux, Amazon Web Services (AWS), iOS
  • Frameworks

    Laravel
  • Libraries/APIs

    Node.js
  • Storage

    MySQL, PostgreSQL, Redis, NoSQL, CouchDB
  • Paradigms

    Test-driven Development (TDD)

Education

  • Bachelor's degree in Applied Computer Science
    2010 - 2014
    Hochschule für Technik und Wirtschaft - Berlin

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