03.09.2025 aktualisiert

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Data Architect, Data Engineer, DWH Consultant

Blankenfelde-Mahlow, Deutschland
Nur Remote
Blankenfelde-Mahlow, Deutschland
Nur Remote

Profilanlagen

zalando_reference_letter.pdf
Malam - Reference Letter.pdf
Wayfair_2023_02_15_Reference Letter for Oved Sablan.pdf
Smava_Arbeitszeugnis_28072021.pdf
Oved_Sablan_-_Staff_Data_Architect_and_Data_Consultant (1).pdf

Skills

JavaScriptAPIsApache AirflowAmazon Web ServicesBig DataGoogle BigQueryCognos ReportNetDatenbankenData ArchitectureInformation EngineeringDateninfrastrukturETLDatenmanagementDatensystemeData VaultData WarehousingRelationale DatenbankenInfosphere DatastageApache HiveHP Quality CenterCognos BiPythonPostgreSQLMicrosoft Sql-ServerOnline Analytical ProcessingOpen SourceOracle DatabasesOracle FinancialsPentahoPerformance-TuningPL/SQLSQLStreamingSalesforce TableauUnternehmensdatenGoogle CloudSnowflakeApache SparkXml FilesSAP BusinessObjectsGitDatenschichtenData LakeAWS GlueStar-SchemaReporting-ToolsTerraformDaten-PipelineDockerAmazon RedshiftOracledb
AWS Glue, Airflow, Redshift, Amazon AWS, AWS, Hive, Spark, APIs, Big Data, Bigquery, Cognos Report, Data architecture, Data Architect, Data Infrastructure, Data Lake, data layer, Big Data tools, data pipelines, DataFlow, Data solutions, Data Vault, enterprise Data Warehouse, Data Warehouse, Database, databases, Docker, corporate data, ETL, Git, Google Cloud Platform, HP Quality Center, IBM Cognos 8, IBM DataStage, DataStage, data engineering, JavaScript, MS SQL Server, OLAP, open source, Oracle, Oracle Database, Oracle DB, PL/SQL, Pentaho Data Integration, performance tuning, PostgreSQL, Python, RDMS, SQL, Business Objects, Snowflake, Star Schema, Tableau, Terraform, reporting tools, XML files

Erfahrung

Berufserfahrungmehr als 10 Jahre
Freelancer seit2024

Sprachen

DeutschgutEnglischverhandlungssicherHebräischMuttersprache

Projekthistorie

Staff Data Architect

Wayfair DE
Mentoring and guiding the Operations global analytic team (about 45 team member) how
to build proper data layer. Together with our data engineering team, we transform our
way to consume data. We want to offer our stakeholder the opportunity to have managed
Self Service BI in near real time. This include consuming event data, arranging it multiple
data layer (Data Lake) and preparing it for consumption in the BI tool. The technology
stack include several services of Google Cloud Platform such Bigquery, Airflow and
DataFlow.

Head of Data Infrastructure

Smava GmbH
Managing a team of professional five data and DWH engineers responsible for the
following tasks:

* Creating enterprise Data Warehouse on Snowflake which is based on Data Vault
architecture.
* Enterprise Event Service Bus on AWS (MSK + Nakadi)
* Data Lake on AWS

Data Architect Consultant

PaulCamper GmbH
Short freelancer project as Data Architect Consultant at PaulCamper GmbH. My
responsibility was review the current data architecture, advice and set the grounds
to a modern scalble data architecture that will answer the business and technical
requirements.

Senior DWH Engineer

Smava GmbH
* Building Enterprise Data Warehouse on PostgreSQL based on Data Vault 2.0
methodology.
* Administrating the DWH on PostgreSQL 11 including end user access, performance
tuning, and configuration and monitoring.
* Gathering corporate data from different sources, including APIs (Python,
JavaScript), emails, RDMS, AWS, GCS and others.
* Building ETL processes using Pentaho Data Integration.
* Building presentation layers for visualization tool (Tableau) using BI models like
Star Schema and Snowflake.

Data Engineer

Trust Analytics
Freelancer Data Engineer with short time project at Billiger-Mietwagen. I helped design
and build a Data Warehouse using tools like Airflow and Redshift.

Senior DWH Engineer (Marketing pipeline)

Zalando SE
* Handling web-tracking data such as clicks and visits.
* Developing applications using Big Data tools such Hive and Spark.
* Developing BI/DWH models on Oracle and Exasol databases that allow end users to
build BI reports on the aggregated marketing KPIs
* Building and supporting BI reporting tools like Business Objects and Micro-strategy.

DWH Engineer

Malam Team
Two BI projects at Teva Pharmaceuticals industries LTD responsible for the following

issues:

* Gathering business requirements from managers and end users.
* Establishing and maintaining DWH with wide knowledge and experience in DWH
methodologies (Star Schema and Snowflake).
* Strong capabilities using Oracle Database including the creation and maintenance
of DB objects like tables, views, keys, triggers, functions and procedures.
* Developing ETL jobs with IBM DataStage 7.5 \ 8.7. Extracting and transforming data
from a variety of data sources such as Oracle DB, MS SQL Server, CSV and XML files.
Also
* Management and scheduling of ETL jobs using DataStage director and UC4.
* Developing relational and OLAP models using IBM Cognos 8 \ 10 tools (Framework,
Transformer).
* Creating BI reports and dashboards using BI suite (Cognos Report Studio, Business
Insight, Event Studio etc.).
* QA for Teva's designated applications for using HP Quality Center.

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