Implementing and maintaining tools to support developer workflows (e.g. getting workspaces, making pullrequests, creating reviews).
Defining and revising workflow and branch models, and supporting them in tools.
Custom tool to update issues in Jira based on commit contents ('fixed' messages).
Bitbucket admin.
Maintaining a bridge to transfer baselines from clearcase to git.
Ruby, Javascript, C, Go. Rest-APIs. Docker, Apache, Unix, systemd.