Interim CTO für Startups und digitale Produkte
Aktualisiert am 12.01.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 12.01.2026
Verfügbar zu: 60%
davon vor Ort: 100%
Managementberatung
Mitarbeiterführung
Strategie
Teamleading
Abteilungsleitung
Projektleitung
Entwicklungsleitung
Entwickler
German
Native language
English
Primary working language
Korean
Speaking
French
Learning
Spanish
Learning

Einsatzorte

Einsatzorte

Frankfurt am Main (+50km) Mannheim (+50km)
Deutschland
möglich

Projekte

Projekte

6 Monate
2021-09 - 2022-02

Change management and organizational design

CTO
CTO
  • Whitebox is a digital wealth manager/robo advisor founded in 2015

  • Joined to support the organization with strategic initiatives towards growth stage

  • Establishing a new product team

Freiburg, Germany
2 Jahre 1 Monat
2019-07 - 2021-07

Venture Program developed

Tech Director, Director Strategic Operations, Director Platform
Tech Director, Director Strategic Operations, Director Platform
  • Venture Studio for the Aareal Group, Proptech Venture Development

  • Member of the management team

  • Created a highly effective team with the objective to build ventures to change how we live and work in the future

  • Founded and invested in 2 pre-seed ventures and worked with founders to reach

    product-market fit in an ambitious timeline

  • Advisory role, technology and organizational development

  • Managing investments (capital increase, convertibles, secondaries)

on request
Frankfurt, Germany
11 Monate
2018-03 - 2019-01

Digitization services for SMEs

Founder, CTO and Managing Director
Founder, CTO and Managing Director
  • Digitization services for SMEs (Small- and Medium-sized Enterprises)

  • Identity, authorization and communication through blockchain (ERC20, Ethereum, Tendermint)

  • Closed pre-seed funding in March 2018 at a EUR 3.5M valuation

  • Go-live after 90 days

  • Responsible for customer and product development, legal, finance

on request
Berlin, Germany
4 Monate
2017-12 - 2018-03

Determination of the strategy

Director Engineering
Director Engineering
  • Defined strategy for a global data lake for the whole group

  • Established a new team for data engineering on scale

Delivery Hero AG
Berlin, Germany
2 Jahre 5 Monate
2015-07 - 2017-11

Determination of the IT strategy

CTO (previously VP of Engineering, Lead Developer)
CTO (previously VP of Engineering, Lead Developer)
  • P2P Lending Platform

  • 30 Engineers

  • Defining IT strategy for the whole Lendico Group

  • Creating highly effective teams and a strong engineering culture

  • Focus on fast iteration cycles and the scientific method

  • Fostering ownership and leadership within the IT department

  • Change management. Transition to pure SME (small and medium enterprises) lender

  • Introduced Kubernetes. Architecture of new core banking systems

  • Focus on creating a strong engineering culture

  • Introduced microservices. Organizational design

on request
Berlin, Germany
2 Jahre 3 Monate
2013-01 - 2015-03

Consulting, software development and support

Co-Founder and Managing Director (Main Responsibility: CTO)
Co-Founder and Managing Director (Main Responsibility: CTO)
  • [Firmname on request] is a Payment Services Company and offers payment related consulting, software development, and support

  • [Firmname on request] operated, maintained, and developed a high-volume payment system for one of Germany?s biggest browser games company

  • [Firmname on request] developed and published FritzPay (a high-volume middleware stack for payment processing) under an open-source license

on request
Munich, Germany

Aus- und Weiterbildung

Aus- und Weiterbildung

Studies in the following fields:

  • Mathematics

  • Philosophy

  • Psychology

  • Social Sciences

  • History

  • History of Maths and Sciences

  • Anthropology

Kompetenzen

Kompetenzen

Top-Skills

Managementberatung Mitarbeiterführung Strategie Teamleading Abteilungsleitung Projektleitung Entwicklungsleitung Entwickler

Produkte / Standards / Erfahrungen / Methoden

Leadership

  • Entrepreneurial mindset. Lean, data-driven business development

  • Principled thinking around early- and growth-stage startups

  • Ability to enable a culture, which enables innovation, autonomy, and curiosity

  • Develop Autonomy, Mastery, and Purpose as a foundation of engineering work

Engineering

  • 20+ years experience as a software developer

  • Languages: Go, PHP, Python, JavaScript, Java, SQL

  • AWS, GCP, Openstack

  • Docker, Kubernetes, Prometheus, ELK, InfluxDB, Grafana

  • Kafka, RabbitMQ, NSQ, NATS

  • Terraform, Ansible

  • Primary focus: Distributed Systems. High Demand Backend Systems

  • PostgreSQL, MySQL, Cassandra, Hadoop, Elasticsearch

  • Agile Development, TDD, Scrum

  • Research Focus: Distributed Systems, Systems Development, Cryptography

  • GitHub Account: wongak

  • stackoverflow user ID: 3460555

Einsatzorte

Einsatzorte

Frankfurt am Main (+50km) Mannheim (+50km)
Deutschland
möglich

Projekte

Projekte

6 Monate
2021-09 - 2022-02

Change management and organizational design

CTO
CTO
  • Whitebox is a digital wealth manager/robo advisor founded in 2015

  • Joined to support the organization with strategic initiatives towards growth stage

  • Establishing a new product team

Freiburg, Germany
2 Jahre 1 Monat
2019-07 - 2021-07

Venture Program developed

Tech Director, Director Strategic Operations, Director Platform
Tech Director, Director Strategic Operations, Director Platform
  • Venture Studio for the Aareal Group, Proptech Venture Development

  • Member of the management team

  • Created a highly effective team with the objective to build ventures to change how we live and work in the future

  • Founded and invested in 2 pre-seed ventures and worked with founders to reach

    product-market fit in an ambitious timeline

  • Advisory role, technology and organizational development

  • Managing investments (capital increase, convertibles, secondaries)

on request
Frankfurt, Germany
11 Monate
2018-03 - 2019-01

Digitization services for SMEs

Founder, CTO and Managing Director
Founder, CTO and Managing Director
  • Digitization services for SMEs (Small- and Medium-sized Enterprises)

  • Identity, authorization and communication through blockchain (ERC20, Ethereum, Tendermint)

  • Closed pre-seed funding in March 2018 at a EUR 3.5M valuation

  • Go-live after 90 days

  • Responsible for customer and product development, legal, finance

on request
Berlin, Germany
4 Monate
2017-12 - 2018-03

Determination of the strategy

Director Engineering
Director Engineering
  • Defined strategy for a global data lake for the whole group

  • Established a new team for data engineering on scale

Delivery Hero AG
Berlin, Germany
2 Jahre 5 Monate
2015-07 - 2017-11

Determination of the IT strategy

CTO (previously VP of Engineering, Lead Developer)
CTO (previously VP of Engineering, Lead Developer)
  • P2P Lending Platform

  • 30 Engineers

  • Defining IT strategy for the whole Lendico Group

  • Creating highly effective teams and a strong engineering culture

  • Focus on fast iteration cycles and the scientific method

  • Fostering ownership and leadership within the IT department

  • Change management. Transition to pure SME (small and medium enterprises) lender

  • Introduced Kubernetes. Architecture of new core banking systems

  • Focus on creating a strong engineering culture

  • Introduced microservices. Organizational design

on request
Berlin, Germany
2 Jahre 3 Monate
2013-01 - 2015-03

Consulting, software development and support

Co-Founder and Managing Director (Main Responsibility: CTO)
Co-Founder and Managing Director (Main Responsibility: CTO)
  • [Firmname on request] is a Payment Services Company and offers payment related consulting, software development, and support

  • [Firmname on request] operated, maintained, and developed a high-volume payment system for one of Germany?s biggest browser games company

  • [Firmname on request] developed and published FritzPay (a high-volume middleware stack for payment processing) under an open-source license

on request
Munich, Germany

Aus- und Weiterbildung

Aus- und Weiterbildung

Studies in the following fields:

  • Mathematics

  • Philosophy

  • Psychology

  • Social Sciences

  • History

  • History of Maths and Sciences

  • Anthropology

Kompetenzen

Kompetenzen

Top-Skills

Managementberatung Mitarbeiterführung Strategie Teamleading Abteilungsleitung Projektleitung Entwicklungsleitung Entwickler

Produkte / Standards / Erfahrungen / Methoden

Leadership

  • Entrepreneurial mindset. Lean, data-driven business development

  • Principled thinking around early- and growth-stage startups

  • Ability to enable a culture, which enables innovation, autonomy, and curiosity

  • Develop Autonomy, Mastery, and Purpose as a foundation of engineering work

Engineering

  • 20+ years experience as a software developer

  • Languages: Go, PHP, Python, JavaScript, Java, SQL

  • AWS, GCP, Openstack

  • Docker, Kubernetes, Prometheus, ELK, InfluxDB, Grafana

  • Kafka, RabbitMQ, NSQ, NATS

  • Terraform, Ansible

  • Primary focus: Distributed Systems. High Demand Backend Systems

  • PostgreSQL, MySQL, Cassandra, Hadoop, Elasticsearch

  • Agile Development, TDD, Scrum

  • Research Focus: Distributed Systems, Systems Development, Cryptography

  • GitHub Account: wongak

  • stackoverflow user ID: 3460555

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

Fragen?

Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

Das Freelancer-Portal

Direktester geht's nicht! Ganz einfach Freelancer finden und direkt Kontakt aufnehmen.