Services

Cloud infrastructure and security
  • Architecture consultancy (mainly AWS)
  • Cloud development (mainly AWS)
  • Hybrid cloud on-premises connection strategies (design of low-latency, manageable VPN infrastructure)
  • AAA solutions:
    • Standard authentication solutions like windows authentication,  federated authentication using industry standards like WS-Federation, SAML2P.
    • Building API security with industry standards as there are: OpenID connect for authentication, OAuth2 for delegated authorization, ABAC, RBAC and XACML for fine-grained, session independent access control.
    • Custom solutions because the one-fits-all approach is at times simply not possible.
    • Integration into existing infrastructure (reverse proxy integration for example)
    • …
  • Coaching – enabling people and knowledge sharing.

Devops

  • Openshift, strong operational knowledge and troubleshooting, upgrading knowledge (3.6 -> 3.7 -> 3.8 -> 3.9 -> 3.10 -> 3.11). Waiting for CoreOS Openshift 4 challenge.
  • Docker based workflows like gitlab-jenkins-openshift based jobs.
  • Monitoring with prometheus ecosystem (alertmanager, webhooks, grafana, exporters for various technology like AWS, Redis, RabbitMQ, Cassandra, Node Exporter, etc.)
  • Elasticsearch stack, mainly for logging purposes, including filebeat, logstash, and other related tech like fluentd
  • Gitlab CI, Jenkins using generic docker pipelines
  • Strong platform agnostic mindset, i.e preventing lockin with cloud providers
  • Firewall knowledge, experience with Pfsense appliances mainly for egress control, iptables configuration
  • HAProxy on the job knowledge
  • Kong on the job knowledge
  • Custom AWS integrations with Openshift
  • Terraform and Ansible (AWX) combo for maintainability
Backend development
  • Backend development with best tools for the job mindset.
    • C#
    • Python
    • R
    • Elixir
    • Haskell
  • Backend development in cloud environment + DevOps.  Experienced in deployment, maintenance, and building maintainable cloud strategies, for example using AWS cloudformation stacks, Terraform, blue/green deployment approaches, …