Matthias Koch

- Designed and developed a highly regarded Android app with a 4.6 rating, surpassing the median of competitors by 0.4 points - Boosted participation in speed surfing competitions by over 200% and created additional amateur events through the use of the app - Implemented outstanding customer support resulting in high levels of customer satisfaction and loyalty, resulting in the app being translated into 11 languages by customers

- Served as technical advisor for Checkturio and Heylog, resulting in a 30% reduction in MVP development costs - Spearheaded the development of prototypes or MVPs for Heylog, Checkturio, and Fleetloop resulting in successful funding rounds totaling over 10 million for all three companies - Revamped a product development team into an R&D team, reducing prototype development time from 3 months to just 3 weeks

- Headed an engineering team of 5 individuals - Implemented an analytics service based on BigQuery that allows for individual real-time dashboards for customers - Introduced Test Driven Development which reduced bugs by more than 50%

As a Venture CTO, I led a team of 10 people, both in-house and external, to develop a prototype called Dispatchy that resulted in securing a significant investment from a reputable investor. After the successful launch, we founded a new company named Heylog.com.

- Headed an Engineering team of 13 individuals, including a sub-team of 4 and a team lead - Reduced article onboarding time by 50% through the integration of AI-powered silhouette detection into the workflow - Accelerated feature development time from an average of 3 months to 1 month by implementing process optimizations and modifying work mode

- Led the Android guild at Zalando to drive knowledge exchange and improve productivity by 20% through effective candidate decision-making as a bar raiser - Established a Europe-wide work mode between backend and frontend teams, resulting in a 50% acceleration of development - Redesigned the Movement Android app, resulting in 100% faster feature development and widespread adoption of technologies such as RxJava and design patterns like MVVM in other Zalando Android apps

- Led the planning, design, and development of the gutefrage.net Android app using Scala technology, resulting in 40% faster onboarding of new backend engineers and providing customers with a truly native experience - Improved development speed by 50% and facilitated linear scaling through successful migration from a monolithic PHP structure to a MicroServices architecture using Scala

- Led technical planning, development, and migration for ***** esp platform - Developed highly available, scalable messaging and user messaging systems - Migrated application from old RMI architecture to JBoss EJB 3.1 - Implemented distributed, redundant photomanagement solution based on MogileFS - Created distributed profile search with Attivio AIE, delivering daily match results to users.

Developed new features ( chat, photomanagement, profile search ), as well as maintained existing features (payment transactions, alerts, ProfileManagement) for the website friendscout24.de. Created an administration interface for customer service that allowed them to unlock photos and approve text, review and modify payment processing, create promotions and manage spam filter rules.

- Developed a single sign on feature for the portal of Deutsche Börse AG. - Developed a comprehensive inventory management and provisioning system for Deutsche Telekom AG. - Developed a data adaptor for the transfer of business data from an IDH host to a Misys Risk Vision System for Bayern LB. This enables BayernLB to free itself from its host system.

Java / Cocoon Webhosting long before they called it cloud :) I have successfully enabled clients to host their Java or Apache Cocoon web applications by deploying a single WAR file. Notably, at that time, I was one of the two operators in Europe offering this service. Additionally, I have proficiency in PHP, MySQL, and LAMP, which I leveraged to provide holistic web hosting solutions.

Developed a Java client/server simulator for HVB that uses various cash pooling strategies. The client app includes user authentication, admin support, and multi-language localization. Server allows for additional pooling strategies without altering source code.

Tasks completed for MMDB project: - Built customer communications for release management, web server development and optimization - Researched and documented processes and system environments - Provided migration support for Otto.de, Heine.de (AT, CH) and Albamoda.de (AT, CH) on MMDB - Analyzed and resolved technical problems in networks, OS and Java applications - Made improvement suggestions.

Informatik in der Finanzwirtschaft, Informatik im Controlling, Informatik im Personalwesen,