Karsten Jasper - WordPress Development

Recommended expert

Berlin, Germany

Experience

Apr 2025 - Present

10 months

WordPress Development

martens+puller Ingenieurgesellschaft mbH

Migration, maintenance and further development of the WordPress portal martens-puller.de
PHP, HTML, CSS

Feb 2024 - Present

2 years

WordPress Development

Stiftung Orte der deutschen Demokratiegeschichte

Maintenance and further development of the WordPress portal demokratie-geschichte.de
PHP, HTML, CSS

Jan 2024 - Present

2 years 1 month

WordPress Development

Ideengut – Agentur für Kommunikation

Technical maintenance and optimization of the WordPress portal LeadersAcademy.com
PHP, HTML, CSS

Oct 2021 - Feb 2022

5 months

Website redesign consulting

SPD-Fraktion im deutschen Bundestag

Development of a rough concept for a new website together with stakeholders from the SPD parliamentary group in the German Bundestag as a basis for the tendering of the implementation

May 2020 - Present

5 years 9 months

IT consulting, project and product management for iKiosk

Schweitzer Fachinformationen OHG

Design, product development, specification and implementation of external interfaces and integrations of B2B partner systems into the iKiosk, e.g., Deutsche Bahn and Airbus/Bundeswehr/Marine
Hosting and operation of the platforms
Requirements management, project leadership and pair programming with the external developer
Provision, maintenance and continuous improvement of the reporting tool
Preparation of monthly financial statements for the iKiosk and analysis of sales data
Integration and aggregation of diverse data sources, creation of SQL queries to analyze the data

Sep 2014 - Apr 2020

5 years 8 months

Technical Project Manager and Product Owner iKiosk

Axel Springer SE

Coordination of the external service provider/general contractor using an agile approach, establishment and continuous optimization of a Scrum process
Project controlling and contract negotiations
Extensive alignments with internal departments and stakeholders within the corporate group
Product management, coordination and contribution to the conception, design, and UX development of mobile Android and iOS apps as well as the eCommerce portal ikiosk.de
Prioritization of user stories, development of roadmaps, planning of backlog and sprints
Requirements management
Conception, specification, and management of the implementation of external interfaces and integrations with B2B partner systems, e.g. Deutsche Bahn and the German Armed Forces
Support and further development of the reporting tool

Jul 2014 - Feb 2015

8 months

Project management for Windows 8.1 tablet & phone apps

DIE WELT

Management of external and internal service providers
Coordination and support for conception, design, and UX
QA management

Mar 2013 - Jun 2014

1 year 4 months

Product Owner, Interim CTO Celepedia

Room 49 GmbH (Axel Springer ideAS)

Definition of requirements for the agile development team using Kanban and Scrum in Jira tickets
Formulation of user stories and acceptance criteria
Planning of backlog and sprints and development of a roadmap according to the team vision
Stakeholder and design team management
Technical consulting

Aug 2010 - Dec 2012

2 years 5 months

Project Manager, Requirements Manager

Sevenval GmbH (vorm. YOC AG)

Project management and conception for various iPhone apps, mobile portals, and web apps
Client communication and requirements management
Creation of wireframes and support for graphic design and QA
Management of development by subcontractors
Clients include: Austrian Airlines, Werben & Verkaufen, e wie einfach, Bunte, Milka, Federal Association of German Banks, Baur Versand, Messe Frankfurt, Cosmos Direkt

Jan 2010 - Jun 2010

6 months

IT Architect & Team Lead

Stayfriends GmbH

Creation of software architectures and technical concepts as enhancements of the existing portal software
Support of implementation and deployment
Team leadership

Jan 2009 - Sep 2009

9 months

Bonn, Germany

Software Architect, Requirements Manager

T-Mobile International AG, Deutsche Telekom AG

Technical design and architecture for an end-to-end solution between mobile devices and backend
Specification of a REST API for social network functionality
Analysis of third-party solutions
Requirements management

Jul 2005 - Dec 2008

3 years 6 months

Project Manager, Scrum Master, and Software Architect

neofonie Technologieentwicklung und Informationsmanagement GmbH

WAZ - DerWesten.de: Technical design, architecture, and project management for an event search function; design of data formats, system architecture, redesign of search functionality, frontend and backend
iScout (Scout24.de): Led the reimplementation of the Scout24 homepage based on configurable widgets
Travelscout24: Technical design, architecture, and project management for a meta-search function; import and integration of external partners, data formats, system architecture, redesign of search functionality, frontend and backend
local24.de: Technical design, architecture, and project management for the search and spider backend; import and crawling of large feeds, automatic enrichment of classified ads, providing full-text search and administration as SOAP web services
Jobs.de: Technical design, architecture, and project management; crawling over 1 million company websites, automatic detection of job ads using SVM, providing a web frontend full-text search