The role of Steuerfachangestellter or Fachinformatiker at Ba Tax GmbH in Hamburg focuses on supporting clients with DATEV processes and managing the Kanzleiorganisation. Key responsibilities include acting as the primary contact for clients, facilitating onboarding, providing internal consulting, managing permissions and updates, and contributing innovative ideas. Candidates should possess a relevant educational background, experience with DATEV applications, and strong communication skills.