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The Kulturschlüssel (german for “key to culture”) matches volunteers with disabled people who cannot attend cultural events on their own. Both parties receive complimentary tickets donated by event organisers.• I was brought in as a software consultant and full-stack engineer to turn their largely manual, spreadsheet-based operation into a scalable, GDPR-compliant online-platform.• Developed and implemented a concept for automating the vast majority of the operation in close cooperation with the Kulturschlüssel team, drastically reducing the team’s workload and allowing them to focus on more pressing issues.• Built a scalable multi-tenant system architecture allowing the Kulturschlüssel to bring their idea and online-platform to 4 other german cities and counting.Tech stack:Frontend: Typescript, React, GraphQL, HTML, CSSBackend: Serverless, AWS, PHP, Laravel, MySql, CI/CD, Mandrill, Mailchimp, Google Directions API

Gaia Nutrition is an eHealth startup providing white-label app solutions to social media influencers and corporations in the health & fitness industry. At the core, our proprietary technology provides highly effective, individual meal-plans and workout schedules based on a customer’s biometrics, dietary restrictions, fitness goals and personal tastes. Gaia Nutrition manages the entire product lifecycle for its white-label partners including: product/pricing strategy, media-content production, app development and customer live-support.• Started the company from scratch and achieved profitability within 3 years.• Hired and managed a highly efficient team of 5 engineers.• Successfully implemented lean software development and deployment processes.• Built a white-label infrastructure for mobile apps that allows delivery of a fully branded, native app within days at minimal cost.• Designed entire user-experience (UX) user-interface (UI) for all web-properties and mobile apps.• Architected highly scalable cloud-based backend systems that perform during extreme traffic spikes on app launch-days.Tech stack:Mobile: React Native, iOS, Android, IonicFrontend: JavaScript, React, Angular, HTML, CSSBackend: PHP, Laravel, C++, Node, AWS, Docker, Microservices, MySql, Memcached, Redis, Payment Gateways (Paypal, Stripe, SEPA), CI/CDDesign: Sketch, Photoshop, Invision

Celebrate is Europe’s fastest-growing event-based media sharing app. It provides an easy way for hosts (e.g. wedding couples) to collect photos and videos taken by guests on their event.• I was brought in as senior consultant and full-stack engineer to consult on mobile app strategy and develop large parts of the new iOS and Android apps.• I architected a multi-cloud media upload, storage and delivery system that could ingest terabytes of original media files and serve/stream optimized media back to mobile devices.• Within the first wedding season, the Celebrate app grew to more than 200k users surpassing competitors with a 3+ years head start.Tech stack:Mobile: React NativeBackend: AWS, Ruby, MySql, Docker, Cloudinary

MMP is one of Hamburg’s oldest founder-operated digital agencies with large brand clients such as Microsoft, Burger King, Philips, Olympus and the German government.• I was brought in as senior consultant and full-stack engineer for the complete overhaul of an ageing multi-tenant corporate news-aggregation and content-management system.Tech Stack:Backend: PHP, Laravel, Python, Scrapy, Mysql, Docker, CI/CDFrontend: JavaScript, Vue.js, HTML, CSS

• Technical sales for automatic inventory replenishment systems AMI (Airbus Managed Inventory) and IMS (Integrated Material Services).• Leading on-site implementation projects for several key-customers in Asia and Europe as AMI/IMS Expert.• Training of local on-site operations teams in Asia• End-To-End service management. Prospecting => Business Case => Sales Support => Implementation => Customer Support.

As a company sponsored student at Airbus, I was given the opportunity to gain invaluable work-experience through full-time work-placements while at the same time completing a Bachelor’s degree in Business Administration and Industrial Engineering.Work placements: (4 months each)• Project management• Software development• Supply-chain management• Process management• Innovation managementSoftware built during work placements:• Status-Reporting-System (Automated data-scraping from several internal systems to create standardized email report)• Shipment-Tracking-System (Live-tracking of shipments for automated audit of delivery-time SLA’s and KPI tracking)• SAP Ordering Bot (Data-entry automation for repetitive tasks using SAP GUI scripting)

Design and development of company websites.Tech Stack:Frontend: JavaScript, jQuery, HTML, CSSBackend: PHP, Wordpress, Mysql

Design and development of company websites.Tech Stack:Frontend: JavaScript, jQuery, HTML, CSSBackend: PHP, Wordpress, Mysql