Business unit manager at an IT services firm, operating in the Dutch public sector.• Delivery owner for 6 teams at the Dutch National Police IT department, offering advice on improving engineering quality and responsible for staffing and delivering on contracted agreements• People manager for 2 units of 20 Java developers• Contributions from technical perspective on new public tenders for a variety of large government lcients

Leading an organisation of 100+ engineers building the core customer journey of our classifieds sites in 7 EU countries, with a key focus on architectural transformation and transitioning to a more transactional experience.

Managing 5 teams in Poznan and Berlin in the trust & safety domain. Heavily focused on machine learning and automation to move towards completely automated content moderation and compliance.

Managing Front End, Backend, App developers and tech leads indirectly across 6 product engineering teams Management responsibilities: hiring, performance & compensation management, technical strategy, software quality and software delivery for teams working on• Building the foundation of a new component-based presentation layer stack on React / NodeJS / Kubernetes to which a department of over 30 product development teams will be moving its 15-year old customer facing front end that serves 10M users per day• The technical migration of 2,5M hotels to a new policy and pricing system for children prices, as well as the sunsetting of the 15-year old policy and pricing system• Integrating children prices into the total price across all Customer, Hotel and Internal facing systems• Delivering MVPs for Families, Hostels, Beach, Ski, Ryokans segments on android and ios apps, targeting strategic growth in these smaller market segments

Engineering manager for 2 cross-functional product engineering teams• Lead delivery of a wide range of product and technical improvements for maps, providing locations insights for 5M customers per day through conversion rate optimization with A/B testing as well as improving the quality of the backend and frontend codebase• Started a team focused on the Beach customer segment, personally delivering the first MVP, co-creating the product strategy and defining the tech strategy for collecting detailed Beach related content on search pages, resulting in a high quality dataset and customer experience for more than 3000 beaches world wide• Contributed to hiring backend engineers for booking by conducting over 100 technical, architecture and cultural fit interviews

Backend developer in various scrum teams, working on• Maps, including the management of the Mapbox and google places and maps API usage across multiple companies, concerning over 20M calls across 16 APIs per day • Search pages: Wide range of product improvements, including the introduction of machine-learning based ranking of filters and improving the API of filters• Partnerships: Building a new Travel Agent portal in which third parties can advertise offering on their own platform and make money through commission-sharing

Research project: Monitoring business value in (agile) software development

• XSLT development to generate pdf output such as quotations and policies for a backend used by a number of large insurance companies in the Netherlands• DBA work in upgrading the staging environment through weekly scripts