• Metaflow provides application development expertise for both green-field andscaling-up phases of a product

• The Open Bank Project is the global standard and open source API solution forOpen Banking since 2010.
• Under this umbrella I am working with global financial institutions to integratethe OpenBank tech stack, advise on technologies and product initiatives andguide the API design&implementation and integration with 3rd party financialproducts

• Core development responsibilities, working on data-driven supply chain services and tools for supply, demand, inventory ordering and management across several markets and brands. 
• I was part of several teams in the Procurement domain, having key contributions to backend services, APIs and tools used by procurement business teams in multiple markets. 
• Also responsible for mentoring team members on architecture, design and implementation.
• Architecture: message-driven services connected with data pipelines exposing Data and HTTP APIs for further aggregation and web tools.

• Backend Engineering, working on Location Analytics Data Product for Immoscout's B2B Market

• Architecting, developing and shipping several services part of Spark's premiumdating platform

• Developing a next generation real-time multi-tenant messaging platform basedon Kafka Streams and running in the cloud.
• Kafka Streams based architecture running on Kubernetes andhosted AWS, Java 11, service-based architecture with Spring Boot

• Mobimeo is a mobility platform and a range of products built for urban commuters in Germany and Europe.
• Having been part of the project from an early stage, I have been a core contributor to starting-up and shaping of the Multi-modality product, from its inception to its shipping to production.
• I have driven all major technical decisions, design, tech stack and implementation as well as mentoring junior team members, on-boarding new team members and ensuring consistency when developing new features.

Working on a major multi-brand platform and product upgrade initiative, moving to a microservice architecture running in the cloud and scaling the product to new geographies. The major building blocks are setting-up a Continuous Build & Delivery pipeline, building all platform services and delivering the first major user-visible features on the new platform, all running in the cloud and under automation. 

• Driven all major technical decisions from selecting CI/CD technologies to design and implementation
  • The technology selected for the CI is Jenkins 2 Pipelines using the Jenkins DSL for automating job creation across all projects
  • The tech choice for Continuous Delivery is Spinnaker (http://spinnaker.io), empowering dev teams to deploy and operate the micro-services infrastructure at scale.
• I've had central contributions designing and developing all microservice-based building blocks using Spring Cloud and the Netflix stack for Discovery Services using Eureka, Config Service, API Gateway using Zuul, all following the twelve-factor app principles
• Led the development of infrastructure services.
• Major contributions to developing and shipping business-critical services on the new platform
• Infrastructure: AWS services managed via Spinnaker
• Lead and delivered a major product upgrade, offering state of the art search and discovery capabilities for members
• Built several services in the search&discovery area, all relying on Elasticsearch integrated with Spring Data and running in the cloud

• Working on a greenfield insurance platform in the area of digitizing existing insurances and offering easy and transparent access to newly purchased insurance products.
• Responsible for designing and building the backend API services using RESTful principles, HATEOAS and a microservice-based service architecture.
• Responsible for building the admin frontend.
• URL's on request

• Technical lead for several group initiatives. Heading several teams acrossbackend, web and app development, part of the Consumer Technology stack
• Successfully initiated and subsequently led the mobile.de web platformtransformation towards a microservices-based architecture and modern webapplications
• Running Hack Week, a joint engineering&product innovation initiative
• Participated hands-on during hack events as coder
• Technical leadership within the Tech Council, the internal Sr. engineeringgroup of mobile.de

• Provide technical leadership for mainly the web and backend teams
• Committer to the backend code-base
• Coordinate feature integration between engineering teams
• Led the efforts towards performance enhancements on the backend services

• Ovi Check-in
• User Generated Content Management service
• User Content Moderation service
• Nokia Places web service API
• Line management responsibilities
• In charge of the design, implementation and delivery of scalable services used daily by millions of Nokia customers.
• Innovating the Nokia LBS stack with a product that improves the quality and accuracy of the Places Database from idea to design to delivering it by the team I lead throughout the process.
• Working in an agile environment and taking advantage of continuous integration, short dev cycles and rapid production deployment
• Focused on software engineering and producing quality software, mentoring team members.