Clemens Hartmann Email & Phone Number

Essen, Nrw, De

Essen, North Rhine-Westphalia, Germany

Belfast, Northern Ireland, United Kingdom

• Researched the acceleration of Graph Convolutional Networks by utilising the graph processing framework Graptor• Implemented a GCN in Graptor and a reference implementation in C++ to validate correctness and performance impacts

Belfast, Northern Ireland, United Kingdom

• Independently led the modernisation effort of an email template and filing software, switching to typescript, refactoring to reduce codebase size by 50%, enforcing consistent engineering standards and setting up CI/CDpipelines, leading to drastically reduced maintenance and further development efforts and creating interest from other teams to adopt this technology• Developed a serverless Event Notification Service with CDK as well as researched and implemented the required back-end REST API in Guidewire 10• Reduced tech-debt in a email banner generating service, by switching from JUnit to cucumber, reducing test code size by 90% while increasing coverage• Facilitated a monitoring and alerting workshop in conjunction with modernising the existing Splunk and Datadog dashboards and alerts

Belfast, Northern Ireland, United Kingdom

•Maintained and improved React front-end and Node.js back-end for 4 interacting services to provide damage and inspection claims for car insurance in Latin America• Developed and deployed a new service to archive and download required photos, lowering runtime and cost of other services by up to 20%• Optimised Jenkins CD pipeline to reduce pipeline size by up to 70% and drastically decrease future maintenance effort• Implemented a welcome SMS service using Node.js, AWS Lambda and DynamoDB for new users requesting an inspection or claim• Worked and effectively communicated with team members from Chile, Colombia, Ecuador and Brazil past language barriers to incorporate requirements from customers in those countries