Career

Mitarbeiter-App — time-tracking and administration platform

Own product, Ahaus — in use at staffing agencies, among them Westfalia Personaldienstleistung GmbH

• Digital time tracking with timesheets, signature capture on the device and PDF export; PDF/A-3b conformance is verified with veraPDF in the CI pipeline
• Backend with Django 5 and Django REST Framework: more than 100 REST endpoints, 18 data models, a dedicated service layer for the business logic
• PostgreSQL 16; a separate Docker stack with its own database per client
• Hand-rolled JWT cookie authentication with bcrypt, role-based permissions and rate limiting
• Client and administration portal with approval workflows, holiday and advance-payment requests, document management and messaging
• Frontend as an installable progressive web app with React 18, TypeScript and Vite; interface in ten languages
• More than 300 automated backend tests; CI/CD with GitHub Actions including secret scanning, static security analysis, dependency and container scanning
• Requirements gathered directly with the client, releases and ongoing support

DevSecOps developer, focus on cloud and IT security

Developer Akademie GmbH, Munich — ongoing

• Cloud infrastructure, IT security, CI/CD and automation of build and deployment processes

Full-stack development

Developer Akademie GmbH, Munich — AZAV-accredited training provider

• Frontend development with HTML, CSS, JavaScript, TypeScript and Angular
• Backend development with Python, Django, Django REST Framework, databases and REST APIs
• Separate certificates for frontend and backend: frontend certificate received, backend completed and the certificate is currently being issued
• Hands-on individual, team and final projects

Career change

Moving into software development, selecting and preparing the training programme

Staffing and sales coordinator

Steel & More GmbH, Ahaus

• Scheduling and supporting around 35 industrial and technical specialists at client sites in the steel and metal industry
• Recruiting: sourcing candidates, interviews and onboarding
• New business acquisition, needs analysis and quotations
• Contracts, time management and payroll preparation under German temporary-employment law; dunning; appointed safety officer
• Analysing and improving internal scheduling processes

Staffing and sales coordinator

Dommasch Personal GmbH, Recklinghausen

• Scheduling and coordinating skilled workers in engineering, trades and industry
• New business acquisition, account management and recruiting external staff
• Project planning, process improvement and leading the teams

Earlier professional experience

• Dommasch Personal GmbH, Recklinghausen — interim managing director preparing the company formation, strategic planning and keeping operations running (09/2016—02/2017)
• Ziemann Personaldienste GmbH, Recklinghausen — staffing and sales coordinator; the role ended with the company’s insolvency (03/2016—09/2016)
• Career change into the staffing industry (10/2014—03/2016)
• Grüne Welle GbR, Ahaus — master gardener, site planning, coordination and delivery of construction projects (09/2012—10/2014)
• GaLa Bau Vennemann, Ahaus — gardener, landscaping and horticulture (06/2011—09/2012)
• FVB GmbH and PAV Arbeitsvermittlung — sales and job placement (07/2004—12/2008)

Master gardener and state-certified business manager

Gartenbauzentrum Essen (Chamber of Agriculture North Rhine-Westphalia) — landscaping and horticulture, master craftsman qualification at DQR level 6

Apprenticeship as gardener, landscaping and horticulture

Henkhaus GmbH — completed

Apprenticeship as industrial clerk

Göckener Kunststofftechnik GmbH — completed