29.10.2026 aktualisiert

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Big Data Management

Sulzbach, Deutschland
Weltweit
Ph.D.
Sulzbach, Deutschland
Weltweit
Ph.D.

Profilanlagen

CV Lars Ditzel.pdf

Über mich

Passionate about software architecture and development, with an extensive background in designing, building, deploying, and operating massive distributed low-latency batch data processing and real-time event streaming pipelines in the cloud.

Skills

JavaAmazon Web ServicesData AnalysisApache HTTP ServerArchitekturBig DataComputerprogrammierungDatenbankenData ArchitectureInformation EngineeringData IntegrationETLData WarehousingDevOpsPythonMachine LearningNoSQLOracle DatabasesScalaSoftwareentwicklungSQLDatenverarbeitungCloud PlatformVerwaltungstätigkeitenApache SparkKostenoptimierungData LakeKubernetesApache FlinkApache KafkaMachine Learning OperationsRestful ApisDaten-PipelineDockerProgramming LanguagesMicroservices
Big Data & Analytics Architecture
Expertise in designing and implementing massive distributed low-latency batch data processing and real-time event streaming pipelines in cloud environments with petabyte-scale data lakes

Cloud Platform Engineering
Advanced knowledge in AWS cloud services, Kubernetes, Docker, and DevOps practices for scalable platform solutions and cost optimization strategies

Software Development & Programming
Proficiency in multiple programming languages including Scala, Java, Python, and modern frameworks for enterprise-level software development

Apache Ecosystem Technologies
Deep experience with Apache Flink, Kafka, Spark EMR, Iceberg, and other big data processing frameworks

Database Technologies
Comprehensive knowledge of Oracle databases, SQL, NoSQL, and data warehousing solutions including administration and development

Machine Learning & MLOps
Certified expertise in machine learning implementations and MLOps practices for data-driven solutions

Microservices Architecture
Experience in designing and implementing RESTful web services and microservices architectures

Data Engineering & ETL
Specialized skills in data pipeline development, ETL processes, and data integration across multiple systems

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit1999

Sprachen

DeutschMutterspracheEnglischverhandlungssicher

Projekthistorie

Independent Software Consultant

Own business

Internet und Informationstechnologie

1000-5000 Mitarbeiter


Hybrid, Frankfurt, Germany

• Performance tuning of data integration pipelines between map repositories (SQL, REST API)
• Evolution of near real-time spatial data processing and event streaming pipelines between map repositories (SQL, REST API)

Java, Scala, Python, Kotlin, Apache Spark, REST Microservices, SQL, Oracle RAC, Postgres, GIS, AWS Cloud, Docker, DevOps, CI/CD, GitLab, Splunk, Kibana, Tableau

Independent Software Consultant and Contractor

Own business

Remote, Hurst, TX, USA

Big Data, Data Lake, Data Lakehouse, Apache Iceberg, Trino, Starburst

Manager Engineering

HERE Technologies

Internet und Informationstechnologie

1000-5000 Mitarbeiter


FTE, Hybrid, Chicago, IL, USA

• AWS cost optimization by switching from real-time to low-latency analytics leveraging EMR batch runs
• Owned and operated petabyte VPD data lake with metrics and analytics
• Map-matching of VPD drives for enhanced analytics

Big Data, Data Lake, Scala, Java, Python, Flink, Kafka, Spark EMR, Parquet, Starburst, Ranger, Trino, Amazon Athena, AWS Cloud, Kubernetes, Docker, DevOps, GitLab, Grafana, Prometheus, Splunk, Tableau

Manager Engineering

HERE Technologies

Internet und Informationstechnologie

1000-5000 Mitarbeiter


FTE, Remote/Hybrid, Chicago, IL, USA

• Adding real-time analytics to petabyte VPD data lake
• Spark Streaming on EMR reading from Kafka topic
• Integration of analytics into company federated data lake to support access for internal stakeholders and different business cases
• Supported data selection with campaigns for internal mapping pipelines

Big Data, Data Lake, Scala, Java, Python, Flink, Kafka, Spark EMR, Parquet, Starburst, Ranger, Trino, Amazon Athena, AWS Cloud, Kubernetes, Docker, DevOps, GitLab, Grafana, Prometheus, Splunk, Tableau

Manager Engineering

HERE Technologies

Internet und Informationstechnologie

1000-5000 Mitarbeiter


FTE, Onsite/Remote, Chicago, IL, USA

• Real-time ingestion of global vehicle perception data (VPD) at scale by running Apache Flink clusters on HERE Platform (Kubernetes, AWS cloud)
• Created petabyte VPD data lake with metrics on AWS

Big Data, Data Lake, Scala, Java, Python, Flink, Kafka, Spark EMR, Parquet, Amazon Athena, AWS Cloud, Kubernetes, Docker, DevOps, GitLab, Grafana, Prometheus, Splunk, Tableau

Manager Engineering

HERE Technologies

Internet und Informationstechnologie

1000-5000 Mitarbeiter


FTE, Onsite, Frankfurt, Germany

• Leading successful agile projects across multiple global teams and business units, e.g., integration of POI data into Map Creator for community edits
• Migrating a business-critical legacy core data system into a scalable platform solution in the cloud for saving costs and creating new product offerings
• Recognized by another company LTI award

Scala, Akka, Java, Spark EMR, Kinesis, Streaming, Messaging, REST Microservices, AWS Cloud, Docker, Oracle RAC, Postgres, Microsoft SQL Server, GIS, SQL, DevOps, CI/CD, Tableau

Principal Engineer

HERE Technologies

Internet und Informationstechnologie

1000-5000 Mitarbeiter


FTE, Onsite, Frankfurt, Germany

• Data engineering for Map Creator Web application that was used to edit core map data by internal experts and community users
• Design and implementation of near real-time spatial data processing and real-time event streaming pipelines between multiple map repositories (SQL, NoSQL, REST API)
• Multi-master data sync between Web and core data stores
• People management for software engineering team in Mumbai, India
• Recognized by company LTI award

Java, Kinesis, Streaming, Messaging, REST Microservices, SQL, Oracle RAC, Postgres, MongoDB, GIS, SOAP, AWS Cloud, Docker, DevOps, CI/CD, Jenkins, Splunk, Elasticsearch, Kibana, Tableau

Independent Consultant and Software Developer

Own business

Internet und Informationstechnologie

5000-10.000 Mitarbeiter


Software development at NAVTEQ/NOKIA/HERE (multiple projects)

• Data engineering
• Oracle MQ and ETL
• Java data pipelines
• Database programming with Oracle PL/SQL and stored Java

Java, JavaEE, AWS Cloud, Docker, RabbitMQ, ActiveMQ, SNS/SQS, REST, SOAP, Oracle RAC, Postgres, MongoDB, GIS, SQL, PL/SQL, Oracle APEX, JavaScript, Swing, JavaFX

Independent Consultant and Software Developer

Own business

Automobil und Fahrzeugbau

>10.000 Mitarbeiter


Multiple projects in Insurance, Marketing, Finance, Automotive:

• Data engineering
• Data Warehousing and ETL
• Data pipelines
• Database programming with Oracle PL/SQL

Oracle DWH, ETL, Informatica, Business Intelligence, Reports, SQL, PL/SQL, Java, JavaEE, Web, JavaScript, Microsoft Excel, Office VBA, MySQL

Independent Consultant and Software Developer

Own business

Banken und Finanzdienstleistungen

500-1000 Mitarbeiter


Multiple projects in Banking and Finance:

• Database administration Oracle RDBMS
• System administration Windows NT and OpenVMS
• Loading Mainframe OS/z ledger data into decentralized Oracle databases
• Extending Oracle Forms & Reports banking application supported by PL/SQL stored functions

Oracle Server, DB2, OpenVMS, Unix, Windows NT, Clustering, SQL, PL/SQL, C, Oracle ProC, Java, Oracle Forms & Reports, Job Automation

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