Experience

bitgrip GmbH

• Germany
• Internet Publishing
• 1 - 100 Employee

• Software Engineer and IT-Consultant

  • Apr 2023 - Present

  Berlin, Germany



Zalando

• Germany
• Retail
• 700 & Above Employee

• Software Engineer

  • Aug 2019 - Jun 2021

  Berlin, Germany - software and research engineering with Java, Kotlin, and Python - designing, developing, and operating (deploying, monitoring, analyzing) high-performance distributed cloud computing systems - developing optimization algorithms for large-scale combinatorial problems - planning and conducting research experiments - analyzing and visualizing datasets with Elasticsearch, Kibana, and Jupyter Notebooks - collaborating in a cross-functional team of software engineers, applied… Show more - software and research engineering with Java, Kotlin, and Python - designing, developing, and operating (deploying, monitoring, analyzing) high-performance distributed cloud computing systems - developing optimization algorithms for large-scale combinatorial problems - planning and conducting research experiments - analyzing and visualizing datasets with Elasticsearch, Kibana, and Jupyter Notebooks - collaborating in a cross-functional team of software engineers, applied scientists, and product managers - participating in an agile development process - presenting project results to the department - reviewing of pull requests

• Software Engineer

  • Apr 2019 - Aug 2019

  Berlin, Germany - software engineering with Java, Kotlin, and Python - analyzing and fixing performance issues by migrating a high-performance batching SQL-implementation (Hibernate, JPA, JDBC) - defining and executing multi-step database migrations (PostgreSQL, Amazon RDS) - bootstrapping a microservice for delivery time predictions - developing a framework for dynamic business configuration of microservices - defining continuous integration- and deployment pipelines for microservices (Jenkins,… Show more - software engineering with Java, Kotlin, and Python - analyzing and fixing performance issues by migrating a high-performance batching SQL-implementation (Hibernate, JPA, JDBC) - defining and executing multi-step database migrations (PostgreSQL, Amazon RDS) - bootstrapping a microservice for delivery time predictions - developing a framework for dynamic business configuration of microservices - defining continuous integration- and deployment pipelines for microservices (Jenkins, Kubernetes) - executing root-cause analysis of business incidents including data visualization (Kibana, Elasticsearch) - managing data storage and access (Amazon S3) - reviewing of pull requests - participating in an agile development process - presenting project results to the department



adesso SE

• Germany
• IT Services and IT Consulting
• 700 & Above Employee

• Project Team Member and Product Owner

  • Oct 2019 - Mar 2020

  Berlin, Germany - university group project in cooperation with adesso SE - further development of existing responsive web app (backend and frontend) - MERN Stack (MongoDB, Express, React, Node) - agile development process/ Scrum - requirements management - user story management with Trello



Bundesdruckerei-Gruppe

• Germany
• IT Services and IT Consulting
• 700 & Above Employee

• Project Team Member

  • Oct 2018 - Mar 2019

  Berlin, Germany - university group project in cooperation with Bundesdruckerei - development of a self-service application with Microsoft Sharepoint, Microsoft InfoPath Designer, Microsoft SharePoint Designer - agile development process/ Scrum - requirements management - user story management with Jira



PCS Paycard Service GmbH

• Germany
• Financial Services

• B2B Sales Assistant

  • Jun 2015 - Jan 2016

  Berlin, Germany - B2B customer acquisition via telephone (warm & cold calling) - providing prospective customers with information about EC terminals and related services - creating and sending out individual offers - customer relationship management with Salesforce - lead generation