Freelancer profile translated to English.
Back to original languageAbout David
David Lemke is an IT Consultant, specialized in product management and digitalization. His skills include Requirements Engineering, Business Analysis, UML, SOAP/REST APIs, SQL, and Data Warehouse Management. As a Scrum Master and Product Owner, he efficiently advances projects.
German
Native or bilingual
English
Fluent
Polish
Native or bilingual
Can work on-site
Wien (up to 50km)
Experience
- Digital Planet GmbHIT ConsultantDIGITAL AND ITFebruary 2024 - February 2025 (1 year and 1 month)Wien, AustriaClient:
- Social Security Sector
Project Role(s):- Requirements Engineer• Business Analyst• Scrum Master• Product Owner
Results:- Led a four-member development team to implement an Austria-wide application for process standardization, reduced development effort through directly implementable UML models.
- Collected and documented requirements as an interface between the business department and development, created efficient SOAP and REST APIs as well as data models, minimized user errors, and standardized nationwide input and documentation processes.
- Implemented comprehensive tests, optimized the application, and achieved 80% time savings in reporting by standardizing previously inconsistent state authority processes.
Technologies and Methods:- BPMN
- UML
- XML
- SOAP
- REST API
- Oracle SQL
- Enterprise Architect
- Mermaid
- Swagger
- Jira
- HP ALM
- PostgreSQL
- Angular
- Java
- JavaScript
- Podman
- Jenkins
- GitHub
- SVN
- IntelliJ
- Alfresco
- Camunda
- Scrum
- Kanban
- Nexus
- Digital Planet GmbHIT ConsultantDIGITAL AND ITFebruary 2024 - March 2024 (2 months)Wien, AustriaClient:
- Public Sector
Project Role(s):- Requirements Engineer
Results:- Collected and documented requirements, leading to the comprehensive documentation of the political operations of the NIS2 and GDPR-compliant dPhoenix Suite (Open Source Cloud), thus creating the foundation for the digitalization of the workplace in the public sector.
Technologies and Methods:- Matrix Chat
- Keycloak
- Redis
- Nextcloud
- LibreOffice
- MariaDB
- OpenShift
- NIS2
- Univention Corporate Server
- Open-Xchange
- Jira
- PostgreSQL
- mantlik kainz GmbHIT ConsultantDIGITAL AND ITMarch 2022 - January 2024 (1 year and 11 months)Wien, AustriaClient:Insurance SectorProject Role(s):
- Requirements Engineer
- Business Analyst
Results:- Significantly contributed to the replacement of a host system with a new core insurance system by collecting requirements, creating technical specifications, and modeling processes in Camunda.
- Developed technical specifications, REST APIs, and data models for a fully digitized application process from application to approval on the website, which was implemented by developers.
- Conducted comprehensive tests of the REST endpoints and the application process to ensure the functionality and efficiency of the new system.
- Specified BI and DWH requirements to optimize data analysis and reporting.
- Regularly presented to the Business Decision Board to obtain decisions in case of discrepancies between the business department and IT, and reported to the Architecture Board to ensure the technical alignment of the project.
Technologies and Methods:- BPMN
- UML
- XML
- SOAP
- REST API
- Oracle SQL
- Mermaid
- Swagger
- Confluence
- RabbitMQ
- Elastic
- Angular
- JavaScript
- C#
- GitHub
- Visual Studio Code
- Camunda
- Scrum
- Kanban
- Azure DevOps
- SAFe
- DWH
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Education
- IT HTL/ Vocational Gymnasium of ITAdoll-Reichwein-Schule MarburgIT HTL/ Berufliches Gymnasium der IT
- MA, PsychologyUniversität WienMag., Psychologie
Certifications
- Scrum MasterScrum.org2019
- Qualified Solution Creation ExpertCelonis2022