Arndt Allhorn Email & Phone Number

Berlin, De

Berlin, Germany

◦ Development of ML-based POCs and deployment of several applications◦ Use of OpenShift, GitLab CI/CD, AWS (PostgreSQL RDS, S3) and MLflow◦ Model deployment for live or batch inference (API/CronJob) ◦ Monitoring and alerting with Prometheus & Grafana ◦ Establishment of operations management processes ◦ Go-live of a system with SLA

Berlin, Germany

◦ DB Forecasting Machine: The Deutsche Bahn Forecasting Machine is a Big Data and Machine Learning system that makes the predictions of departure and arrival times of all trains in Germany in near real-time. I have worked on migrating the system from Cloudera Hadoop stack to AWS, redesigning the interface between model training and inference component, calculating KPIs and creating visualizations from massive datasets, analyzing prediction errors, and simulating and evaluating different… Show more ◦ DB Forecasting Machine: The Deutsche Bahn Forecasting Machine is a Big Data and Machine Learning system that makes the predictions of departure and arrival times of all trains in Germany in near real-time. I have worked on migrating the system from Cloudera Hadoop stack to AWS, redesigning the interface between model training and inference component, calculating KPIs and creating visualizations from massive datasets, analyzing prediction errors, and simulating and evaluating different configurations. Our rather large Scrum team is organized into multiple sub-teams. Show less

Berlin, Germany

◦ Green Consumption Assistant: Developed machine learning models for detecting purchase intentions of different product categories in online searches.◦ Label Acquisition: Gathered data annotations via crowd-sourcing and from in-house experts.◦ Data Imputation Research: Worked on a benchmark of various methods to handle missing values in datasets for machine learning algorithms.

Berlin Area, Germany

◦ EES Pre-Parser: EE Snapshot Pre-Parser is a distributed streaming application that transforms telediagnoses of Daimler vehicles. Worked on project management, system architecture, cluster administration, CI/CD pipelines, and software development in a DevOps manner.◦ Data Science POCs and Sales Support: Organized use case workshops with customers, conducted data assessments, applied different ML algorithms, evaluated and presented the results, and created architecture proposals as well as… Show more ◦ EES Pre-Parser: EE Snapshot Pre-Parser is a distributed streaming application that transforms telediagnoses of Daimler vehicles. Worked on project management, system architecture, cluster administration, CI/CD pipelines, and software development in a DevOps manner.◦ Data Science POCs and Sales Support: Organized use case workshops with customers, conducted data assessments, applied different ML algorithms, evaluated and presented the results, and created architecture proposals as well as solution concepts. Show less

Wolfsburg Area, Germany

◦ Analytical Systems Development: Worked in all phases of the software engineering life cycle: requirements engineering, conception / system design, system development, testing, deployment and application management.◦ Data Warehousing: Worked in data warehouse projects for Volkswagen and Daimler, where I integrated new data sources, developed ETL workflows and designed database schemas.◦ Reporting: Developed standard reports as well as interactive dashboards in various BI tools.◦… Show more ◦ Analytical Systems Development: Worked in all phases of the software engineering life cycle: requirements engineering, conception / system design, system development, testing, deployment and application management.◦ Data Warehousing: Worked in data warehouse projects for Volkswagen and Daimler, where I integrated new data sources, developed ETL workflows and designed database schemas.◦ Reporting: Developed standard reports as well as interactive dashboards in various BI tools.◦ SQL Optimization: Identified queries from ETL or reporting that generated high database load or had long runtimes and developed measures to optimize their execution plans.◦ Predictive Analytics: Life data analysis (Weibull) to predict future failures of Daimler vehicles.◦ Project Management: Both technical and organisational management of subprojects. Compilation of status reports and presentation in management meetings. Coordination of international project teams.◦ Requirements Engineering: Moderation of customer/stakeholder workshops to align change requests. Drawing up corresponding IT specifications and cost estimates. Show less

Berlin, Germany

◦ Green Data: Worked on data partnerships, sustainability definitions, data validation and updates, as well as query understanding.

Berlin Area, Germany

◦ Transfer Learning for Hate Speech Detection: Worked on detection of hate speech in online discussions using transformer-based neural networks (BERT) as part of the NOHATE project.

Lemfoerde

◦ Business Intelligence: Improved reporting by building a data warehouse, injecting data via ETL, and developing reports and dashboards. Deployed a scheduling engine for automatic report generation and dispatch.◦ IT Administration: Renewed the server and network infrastructure and migrated to a new Active Directory environment. Introduced a new call center telephone system with CRM integration.◦ In-house Software Development: Designed and implemented a warehouse management software in… Show more ◦ Business Intelligence: Improved reporting by building a data warehouse, injecting data via ETL, and developing reports and dashboards. Deployed a scheduling engine for automatic report generation and dispatch.◦ IT Administration: Renewed the server and network infrastructure and migrated to a new Active Directory environment. Introduced a new call center telephone system with CRM integration.◦ In-house Software Development: Designed and implemented a warehouse management software in C#. Further developed a CRM software based on MS Access, VBA, and MS SQL Server. Show less

Lemfoerde

Master'S, Data Science, 3.7 (German: 1.3)

http://data-science.berlin

Bachelor'S, Computer Science For Business, 3.3 (German: 1.7)