Marc Matt
Freelance Data Specialist
Erfahrungen
Juli 2024 - Bis heute
9 Monaten Deutschland
Freelance Data Specialist
BrightlySoftware - A Siemens Company
- Migration of customer data from a private cloud to AWS
- Optimizing data transformation jobs and migration from Talend to AWS Glue
- Automation of all migration steps
- Used technologies: AWS, Python, Lambda, CloudFormation, SQLServer, AWS Stepfunctions, Glue, PySpark
Okt. 2022 - Juni 2024
1 Jahr 9 Monaten Deutschland
Freelance Data Specialist
RTL Data
- Integrating new recommendation models into the streaming feed
- Optimizing performance and usability of the recommendation provision engine
- Aggregation and integration of user seed calculations for real-time recommendations
- Used technologies: GCP, Python, Kubernetes, Docker, ArgoCD, SQL, FastAPI, Bigquery, AlloyDB, Airflow (Cloud Composer), ArgoWorkflows
Juli 2022 - Sept. 2022
3 Monaten Deutschland
Freelance Data Specialist
Boldmetrics Inc
- Redesign Data Entry into DWH for serverless scalable real-time updates
- Design of data architecture for DWH
- Used Technologies: AWS, Python, SQL, Kinesis Firehose, Redshift, MS SQL, dbt
Dez. 2021 - Juli 2022
8 Monaten Deutschland
Freelance Data Specialist
Spin - Tier Mobility
- Designing and establishing an ML Ops workflow
- Operationalizing ML models for real-time use cases
- Used technologies: GCP, Bigquery, Kubeflow, VertexAI, Airflow (Cloud Composer), Docker, Python, SQL, Flask, dbt
Juni 2021 - Nov. 2021
6 Monaten Deutschland
Freelance Data Specialist
Mediamarkt E-Commerce GmbH
- Establishing a supply chain monitoring system
- Implementing APIs to all Logistic Services Providers and transforming them for use in a companywide reporting
- Used Technologies: GCP, Bigquery, Apache Beam, NodeJS, Airflow (Cloud Composer), Docker, Python, SQL, Flask
März 2021 - Juni 2021
4 Monaten Deutschland
Freelance Data Specialist
Janus AI
- Redesign data centric processes for more automation and serverless environment
- Used Technologies: AWS, Glue, Python, PySpark, SQL
Feb. 2021 - Apr. 2021
3 Monaten Deutschland
Freelance Data Specialist
Emma Sleep GmbH
- Redesign Data Entry to DWH for serverless scalable Real-Time updates
- Project management for implementing proposed change of architecture
- Used Technologies: AWS, Kinesis, Fargate, Docker, SQL, Python, Glue, Redshift
Aug. 2018 - Jan. 2021
2 Jahren 6 Monaten Deutschland
Data Engineering
Engel & Völkers Technology GmbH
- Architecture of a Data Platform, including tool selection and data modelling
- Implementing a Data Platform and integrating all available data source (internal / external)
- Conception and implementation of CI/CD pipeline for the Data Platform
- Modelling property value prediction for real time application
- Used Technologies: Google Bigquery, Apache Beam, Apache AVRO, Python, Kubernetes, Docker, Jenkins, Tensorflow, SQL, Flask
Jan. 2016 - Juli 2018
1 Jahr 7 Monaten Hamburg, Deutschland
Head of Data Engineering / Machine Learning
Surfmedia GmbH
- Responsible for a team of six, including personnel development
- Architecture of the Big Data / Data Lake systems, including tool selection and data modelling
- Project management of data- / machine learning projects
- Responsible for the technology roadmap and advancement of all affected data systems
- Conception of data pipelines and model selection for the development of Recommendation Engines and fraud recognition systems in a real time environment
- Used technologies: HortonWorks Data Platform, Pivotal HAWQ, Pivotal Gemfire, Hive, Talend Big Data Plattform, Apache Nifi, RabbitMQ, Tableau, Java, Apache AVRO, Spring Boot, Apache Spark, Apache Zeppelin, Python, Tensorflow, SQL
Okt. 2014 - Dez. 2016
2 Jahren 3 Monaten Hamburg, Deutschland
Lead of Business Intelligence / DWH
Surfmedia GmbH
- Coordination and priorisation of all tasks concerning the team using agile methods
- Responsible for six collegues
- Conceptual design and development of a RealTime-DWH (Data Lake / lambda architecture) to provide a single source of truth for the whole group
- Data modelling from data entry, using a push service, to the presentation layer of the Data Lake
- Used technologies: HortonWorks Data Platform, Pivotal HAWQ, Pivotal Gemfire, Hive, Talend Big Data Plattform, Apache Nifi, RabbitMQ, Tableau, Java, Perl, Apache AVRO, Spring Boot, Apache Spark, Apache Zeppelin, Python, SQL
März 2012 - Sept. 2014
2 Jahren 7 Monaten Hamburg, Deutschland
Business Intelligence Analyst
Surfmedia GmbH
- Conceptual design, development and operation of a DWH for the company group consisting of five companies
- Conceptual design, chosing and introduction of a self-service BI system (reporting and visualization)
- Developing a model for predicting orders
- Customer analysis to optimize revenue in a social network
- Used technologies: MySQL, Perl, Python, Tableau, Jedox, RapidMiner, Knime, SQL
Nov. 2010 - Feb. 2012
1 Jahr 4 Monaten Hamburg, Deutschland
Database Consultant
EOS Information Services GmbH
- Conceptual design, development and operation of a DWH for a Decision Enginge for risk management
- Conceptual design of processes for risk management
- Conception and development of a process for manageging addresses using Perl and Uniserv
- Operation and configuration of a high availability system for checking addresses, bank details and duplicates
- Used technologies: Perl, Oracle, Uniserv, Zoot Decision Management, Java, SQL
Okt. 2009 - Okt. 2010
1 Jahr 1 Monate Karlsruhe, Deutschland
Datawarehousing Consultant
Key-Work Consulting GmbH
- Migration of the sales reporting for a mailorder company
- Development of a statistical model to optimize sales planning of a mailoder company
- Development of a statistical model for a dynamic shipping schedule
- Conception, development and operation of OLAP cubes
- Used technologies: MS SQL, MS SSAS, Python, RapidMiner, FastStats, SQL
Okt. 2008 - Sept. 2009
1 Jahr Stuttgart, Deutschland
Databasemanagement
Coxulto Marketing Solutions GmbH
- Target group determination and selection
- Affinityanalysis
- Addressmanagement and duplicates check
- Administration and operation of the address database
- Conception, development and operation of sales databases for telecommunication companies
- Used technologies: SAS, MS SQL, MS SSAS, Perl, SQL
Juni 2008 - Sept. 2008
4 Monaten Karlsruhe, Deutschland
Senior CRM Analyst
1&1 Internet AG
- Conceptual design and development of a customer datamart for CRM analysis
- Customer segmentation / up- and crossselling potential analysis
- Used technologies: MS SQL, MS SSAS, Sybase IQ, SQL
Apr. 2007 - Juni 2008
1 Jahr 3 Monaten Karlsruhe, Deutschland
Lead of Business Intelligence Consumer Products
1&1 Internet AG
- Coordination and priorisation of all tasks of the BI team
- Conception and development of KPI reports for the board of directors
- Analysis of cusomter structures and churn prediction
- Design and development of data marts
- Used technologies: Perl, Java, Sybase IQ, instantOLAP, SQL
März 2003 - Apr. 2007
4 Jahren 2 Monaten Karlsruhe, Deutschland
Business Intelligence Analyst
1&1 Internet AG
- Design and development of an automated reporting system for customer and contract inventory, as well as internet usage and customer behaviour
- Integration of all customer concerning usage data of the company websites into the DWH
- Coordination of all tasks between management and development departments
- Analysis of ongoing new and existing customer campaigns
- Used technologies: Perl, Java, Sybase IQ, instantOlap, SQL
Sprachen
Deutsch
Muttersprache
Englisch
Verhandlungssicher
Französisch
Grundkenntnisse
Japanisch
Grundkenntnisse
Ausbildung
Sept. 1998 - Feb. 2003
Fachhochschule für Wirtschaft und Gestaltung, Pforzheim
Dipl. Betriebswirt Wirtschaftsinformatik (MBA) · Betriebswirt Wirtschaftsinformatik · Pforzheim, Deutschland
Okt. 1995 - Juni 1998
Goethe Gymnasium, Gaggenau
Abitur · Gaggenau, Deutschland
Zertifikate & Bescheinigungen
Business English Certificate Vantage
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