Recommended expert

Leif Rumbke

rio Configurator

Leif Rumbke
Hamburg, Germany

Experience

Jan 2024 - Dec 2024
1 year
Hamburg, Germany

rio Configurator

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2024 - Dec 2024
1 year
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Technology and Tools (DN-B)

International Film School Cologne

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Kora Kittl Coaching

  • Platform: Web.
  • Technologies: WordPress, CSS.
  • Programming.
  • Implementation of the website for Kora Kittl Coaching.
Jan 2024 - Dec 2024
1 year
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Checklist App

Pollach & Pollach/Andritz

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  • Technologies: HTML5, CSS, TypeScript.
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  • Complete refactoring of the data model for better maintainability.
Jan 2024 - Dec 2024
1 year
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Installed Base App

Pollach & Pollach/Andritz

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Jan 2024 - Dec 2024
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planneun

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  • New website with a focus on the reference list.
Jan 2023 - Dec 2023
1 year
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rio Configurator

Atelier Havana

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Jan 2023 - Dec 2023
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Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
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  • Various updates.
Jan 2023 - Dec 2023
1 year
Hamburg, Germany

Technology and Tools (DN-B)

Internationale Filmschule Köln

  • Platform: Online teaching.
  • Online teaching.
  • Multi-day seminar for basic orientation in technology and programming within the Master’s program "Digital Narratives".
Jan 2023 - Dec 2023
1 year
Hamburg, Germany

Installed Base App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Various updates.
Jan 2023 - Dec 2023
1 year
Hamburg, Germany

Installed Base App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Concept and programming.
  • Development of an application to consolidate and maintain database data.
  • Improvement of data quality through optimized use flows, established relation rules, and quality reports.
  • Offline operation with delayed synchronization.
Jan 2023 - Dec 2023
1 year
Hamburg, Germany

Refiner Plates Browser

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Concept and programming.
  • Various updates.
Jan 2023 - Dec 2023
1 year
Hamburg, Germany

Product workshop

Vertical52

  • Platform: workshop.
  • Consulting.
  • Participation in a workshop to find and discuss product variants based on newly developed technical possibilities.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

rio Configurator

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

rio Serializer

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

Technology and Tools (DN-B)

International Film School Cologne

  • Platform: Online teaching.
  • Online teaching.
  • Multi-day seminar for basic orientation in technology and programming within the master's program "Digital Narratives".
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

Checklist App

Pollach & Pollach/Andritz

  • Platforms: Windows framework app, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

Durabond Guideline App

Pollach & Pollach/Andritz

  • Platforms: Windows framework app, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

Flow Calculation App (Concept)

Pollach & Pollach/Andritz

  • Platforms: Windows framework app, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Concept.
  • Concept and technical studies for an application for flow calculation, flow control and modification of materials.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

Installed Base App (Concept)

Pollach & Pollach/Andritz

  • Platforms: Windows framework app, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Concept.
  • Concept of an application for merging and maintaining database data to improve data quality.
  • Offline mode with delayed synchronization.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

Rotor Foils App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2022 - Dec 2022
1 year
Hamburg, Germany

ModelCity AR

Vobe digital/vier.ruhr

  • Platform: Web.
  • Technologies: WebXR, ThreeJS, HTML5, CSS, TypeScript.
  • Programming.
  • Web offering that provides augmented reality experiences on mobile platforms using the WebXR standard at specific locations in Mülheim an der Ruhr.
  • Users can view design proposals for the urban space on their phone display on site by scanning a QR code and following the link.
  • No installation required.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

rio Configurator

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

rio Serializer

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

Technology and Tools (DN-B)

Internationale Filmschule Köln

  • Platform: Online Teaching.
  • Online Teaching.
  • Multi-day seminar providing basic orientation in technology and programming within the Master's program "Digital Narratives".
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

Durabond Guideline App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

Fiber GPS

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: Flash, ActionScript 3.
  • Design and programming.
  • Various updates.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

Generic App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

Generic App: Disc Filter

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Implementation of the HTML5 app as an instance of the Generic App.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

Refiner Plates Browser

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Various updates.
Jan 2021 - Dec 2021
1 year
Hamburg, Germany

Sizing Guideline App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2020 - Dec 2020
1 year
Hamburg, Germany

rio Configurator

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2020 - Dec 2020
1 year
Hamburg, Germany

rio Serializer

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2020 - Dec 2020
1 year
Hamburg, Germany

Checklist App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2020 - Dec 2020
1 year
Hamburg, Germany

Durabond Guideline App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2020 - Dec 2020
1 year
Hamburg, Germany

Fiber GPS

Pollach & Pollach/Andritz

  • Platforms: Windows desktop app, Web.
  • Technologies: Flash, ActionScript 3.
  • Design and programming.
  • Various updates.
Jan 2020 - Dec 2020
1 year
Hamburg, Germany

Generic App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop app, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2020 - Dec 2020
1 year
Hamburg, Germany

Refiner Plates Browser

Pollach & Pollach/Andritz

  • Platforms: Windows desktop app, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

rio Configurator

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

rio Serializer

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Checklist App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Concept and programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Durabond Guideline App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Fiber GPS

Pollach & Pollach/Andritz

  • Platform: Windows.
  • Technologies: Flash, ActionScript 3.
  • Concept and programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Generic App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Generic App

Pollach & Pollach/Andritz

  • Platforms: Windows desktop application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

JavaScript Print Module

Pollach & Pollach/Andritz

  • Platform: Library.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Plate Change Calculator

Pollach & Pollach/Andritz

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Plate Change Calculator

Pollach & Pollach/Andritz

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Plate Change Calculator

Pollach & Pollach/Andritz

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Refiner Plates Browser

Pollach & Pollach/Andritz

  • Platforms: Windows frame application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Refiner Plates Browser

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and development.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Rotor Foils App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Development.
  • Various updates.
Jan 2019 - Dec 2019
1 year
Hamburg, Germany

Sizing Guideline App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Development.
  • Migrated the tool from Flash to HTML5.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

rio Configurator

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Development.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

rio Serializer

Atelier Havana

  • Platform: Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Development.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Technology and Tools (DN-B)

International Film School Cologne

  • Platform: On-site teaching.
  • Teaching.
  • 2-day seminar for basic orientation in programming within the Master's program "Digital Narratives".
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Bearing Load Calculator WebApp

Pollach & Pollach/Andritz

  • Platform: Progressive Web App.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Checklist App

Pollach & Pollach/Andritz

  • Platforms: Windows shell application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Data Sheet App

Pollach & Pollach/Andritz

  • Platforms: Windows shell application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Tool for customizing data sheets.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Disperser Wizard App

Pollach & Pollach/Andritz

  • Platforms: Windows shell application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Design and programming.
  • Tool that merges imported CSV files into CI-compliant reports and makes them available as PDFs.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Durabond Guideline App (Updates)

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Fiber GPS

Pollach & Pollach/Andritz

  • Platform: Windows.
  • Technologies: Flash, ActionScript 3.
  • Concept and programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Generic App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Generic App (Additional Updates)

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

JavaScript Print Module

Pollach & Pollach/Andritz

  • Platform: Library.
  • Technologies: HTML5, CSS, TypeScript.
  • Concept and programming.
  • Module for print preparation of standardized HTML templates.
  • Dynamic adjustments and modifications at text and DOM level.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Plate Change Calculator

Pollach & Pollach/Andritz

  • Platforms: Windows host application, web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Plate Change Calculator (Online)

Pollach & Pollach/Andritz

  • Platforms: Windows host application, web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Small calculation tool for the website.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Plate Change Calculator (Updates)

Pollach & Pollach/Andritz

  • Platforms: Windows host application, web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Various updates.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Plate Change Logbook (Concept)

Pollach & Pollach/Andritz

  • Platform: Windows.
  • Concept.
  • Concept of an application for simplified recording and centralized storage of plate changes.
  • Use of tablets with integrated barcode scanners.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Refiner Plates Browser

Pollach & Pollach/Andritz

  • Platforms: Windows host application, web.
  • Technologies: HTML5, CSS, TypeScript.
  • Concept and programming.
  • Application for viewing, organizing, and selecting refiner plates.
  • Assembling a combined print job from multiple selected data sheets.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Refurbishment Pricing App

Pollach & Pollach/Andritz

  • Platforms: Windows framework application, Web.
  • Technologies: HTML5, CSS, TypeScript.
  • Programming.
  • Marketing tool to help create quotes.
Jan 2018 - Dec 2018
1 year
Hamburg, Germany

Synergy Fair

Pollach & Pollach/Andritz

  • Platform: Windows.
  • Technologies: Adobe Air, Flash, ActionScript 3.
  • Programming.
  • Small presentation for a trade fair.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (7 years), Manufacturing (7 years), Education (5 years), Media and Entertainment (3 years), Energy (3 years), and Professional Services (1 year).

Information Technology
Manufacturing
Education
Media and Entertainment
Energy
Professional Services

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (7 years), Product Development (7 years), Business Intelligence (1 year), Marketing (1 year), and Sales (1 year).

Information Technology
Product Development
Business Intelligence
Marketing
Sales

Languages

German
Advanced
English
Advanced

Education

Academy of Media Arts Cologne

Diploma · Cologne, Germany

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Leif based?

Leif is based in Hamburg, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Leif speak?

Leif speaks the following languages: German (Advanced), English (Advanced).

How many years of experience does Leif have?

Leif has at least 7 years of experience. During this time, Leif has worked in at least 28 different roles and for 8 different companies. The average length of individual experience is 1 month. Note that Leif may not have shared all experience and actually has more experience.

What roles would Leif be best suited for?

Based on recent experience, Leif would be well-suited for roles such as: rio Configurator, Technology and Tools (DN-B), Checklist App.

What is Leif's latest experience?

Leif's most recent position is rio Configurator at Atelier Havana.

What companies has Leif worked for in recent years?

In recent years, Leif has worked for Atelier Havana, International Film School Cologne, Kora Kittl Coaching, Pollach & Pollach/Andritz, and planneun.

Which industries is Leif most experienced in?

Leif is most experienced in industries like Information Technology (IT), Manufacturing, and Education. Leif also has some experience in Energy, Media, Entertainment and Publishing, and Professional Services.

Which business areas is Leif most experienced in?

Leif is most experienced in business areas like Information Technology (IT), Product Development, and Business Intelligence. Leif also has some experience in Marketing and Sales.

Which industries has Leif worked in recently?

Leif has recently worked in industries like Information Technology (IT), Education, and Manufacturing.

Which business areas has Leif worked in recently?

Leif has recently worked in business areas like Information Technology (IT) and Product Development.

What is Leif's education?

Leif attended Academy of Media Arts Cologne.

What is the availability of Leif?

Leif is immediately available full-time for suitable projects.

What is the rate of Leif?

Leif's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Leif?

To hire Leif, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
750
500
250
Market avg: 820-980 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.