mattis deisen

Software engineer based in Switzerland. I split my time between datalevel AG (Swiss e-tax production for international banks) and deisenwerk GmbH (self-hosted AI consulting for regulated organisations).

deisenwerk GmbH

Managing Director

Self-hosted AI consulting for regulated organisations.

datalevel AG

CTO & Partner

Swiss e-tax statement production and custom data solution for Swiss & international banks.

Highlights

Experience

  • Since 2025

    Managing Director

    deisenwerk GmbH · Zug

  • Since 2024

    CTO & Partner

    datalevel AG · Zürich

  • 2021 — 2024

    Software Engineer → Senior Engineer & Partner

    datalevel AG · Zürich

  • 2015 — 2021

    Apprentice → DevOps → Technology Manager

    Deutsche Bank AG · Frankfurt

  • 2016

    System Administration Intern

    ETH Zürich

Education

  • 2019 — 2020

    M.Sc. Applied Data Science

    Frankfurt School of Finance & Management

    Thesis in cooperation with ETH Zurich (atmospheric physics)

  • 2015 — 2019

    B.Sc. Business Administration & Computer Science

    Frankfurt School of Finance & Management

    Integrated with Deutsche Bank apprenticeship, semester in Seoul

github.com/mDeisen

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