Jun 2021 – Present · 4 yrs 11 mos

• Interest group that organizes expedition sailing trips and practical trainings on board.

Apr 2019 – Jun 2021 · 2 yrs 2 mos · Munich Area, Germany

• Architecting, building and managing data lake and machine learning platforms, travelling to customer sites to develop solutions and lead data engineering teams.
• Contributing to Kubeflow (open-source machine learning platform) and developing technical foundations for Kubeflow as a Service.
• Developing technology radar content and backend (Kubernetes+Kustomize+ArgoCD), an opinionated guide to data related technologies: https://techradar.alexanderthamm.com/
• Technologies: Java · Python · Bash · SQL · Hadoop Cloudera Cloud · Databricks · Kubernetes ·  Kubeflow · Spark · Kafka · Azure Data Factory · ADLS · AWS EMR · EC2 · S3 · Athena · DynamoDB ·  Sagemaker · Service Catalog · Neo4j · Apache NiFi · Apache Airflow · Apache Atlas · Apache Ranger · GitHub · Gitlab · Bamboo · Terraform · CloudFormation.

Sep 2017 – Mar 2019 · 1 yr 6 mos · Munich Area, Germany

• Consultancy for one of German leaders in AI and Machine Learning services.
• Data Lakes architecture design and implementation for on-premise and cloud infrastructure deployments. Building production ready distributed stream & batch data pipelines and machine learning models deployment in production. Working on green field projects and carrying out migration projects. Contributing to Open Source projects.
• Technologies: Java · Scala · Python · R · Bash · SQL · Hadoop Cloudera / Hortonworks / MapR · Spark · Flink · Kafka · AWS (EC2, EMR, Kinesis, Athena, S3, CloudFormation) · Azure (VM, Azure Function, CosmosDB, Blob Storage, IoT Hub, Event Hub, Stream Analytics, Data Lake Analytics) · GCP (Compute Engine, Cloud Storage, Cloud SQL, Cloud Composer) · Gitlab · Jenkins · Docker · Swarm · Instana · Grafana · OpsGenie.

Jul 2016 – Aug 2017 · 1 yr 1 mo · Munich Area, Germany

• Architecture and development of Data Warehouse platform for an international e-commerce retail business.
• Developing ETL/ELT processes for a variety of data sources (relational databases, Web APIs, Google Analytics including BigQuery, DynamoDB, CRM Teradata, Social Media). Shaping Big Data AWS based distributed stream & batch processing solutions. Enabling near real time and batch data for on-line reporting solutions. Improving test automation, continuous integration and deployment pipelines. Working in a Scrum environment.
• Technologies: Java · Python · Bash · SQL · AWS (Redshift, S3, EC2, Lambda, Kinesis, RDS) · HPE Vertica · MySQL · RESTful APIs · Talend · Jenkins · Jira · Azkaban · Docker.

Jan 2015 – Jun 2016 · 1 yr 5 mos · Katowice, Silesian District, Poland

• Designing and building new company-wide Big Data platform based on Hadoop ecosystem and microservices. Creating continuous integration and delivery pipelines. Leading development groups.
• Technologies: C# · Java · Python · Bash · SQL · Cloudera Hadoop (including Impala, Hive, Spark, Flume/Kafka, Oozie, WebHdfs) · AWS S3 · RESTful APIs · MS SQL · Rabbit MQ · TFS · Web API · Artifactory.

Jul 2012 – Dec 2014 · 2 yrs 5 mos · Katowice, Silesian District, Poland

• Developing data platform for Kroll Ontrack, a global leader of data collection, recovery and discovery software. Working on event-driven processing solutions and billing systems. Driving continual improvement to system design and development practices. Daily communication with other scrum teams and business from US/UK.
• Technologies: C# · MS SQL (including SSRS visualization, SSIS integration, SSAS analytics) · Rabbit MQ · Powershell · TFS · Artifactory.

Aug 2009 – Jul 2012 · 2 yrs 11 mos · Gliwice Area, Poland

• Applications design and development for intelligent geometry measurement systems used in transportation including measurement signals acquisition, processing of spatial data, measurement trains tracking and embedded software development. Close cooperation with Dutch clients.
• Technologies: C · C# · WinForms · WPF · WCF · MS SQL · PostgreSQL · SVN · Redmine · Cruise Control.

Apr 2008 – Aug 2009 · 1 yr 4 mos · Gliwice Area, Poland

• Internship in R&D Control and Measuring Systems department, which pioneers ideas of automotive traction control systems.
• Creating applications and algorithms for acquisition, processing and visualization of measurement signals from diagnostic machines. Projects carried out in cooperation with Tenneco’s Monroe Engineering and Technology Centre in Sint Truiden (Belgium).
• Technologies: C · R · Matlab · Symulink · LabView.

Jul 2007 – Oct 2008 · 1 yr 3 mos

• Static and dynamic websites development and administration.
• Technologies: PHP · JavaScript · CSS · (X)HTML · MySQL · Jumla.