11.08.2026 aktualisiert
UA
100 % verfügbar
Senior Data Engineer & Analytics | SQL, SAC
Berlin, Deutschland
Deutschland
Master's Degree, Artificial IntelligenceÜber mich
Senior analytics and data engineer with 15 years of end-to-end delivery across SQL, ETL/ELT and enterprise BI. I build trusted data models, pipelines, dashboards and platform automation for international clients. Berlin-based registered Einzelunternehmen.
Skills
dbtKünstliche IntelligenzAnalytische VerfahrenData AnalysisDatenvalidierungInformation EngineeringData IntegrationETLData MartDatenmodellDatenqualitätData VaultData WarehousingEntscheidungsunterstützungssystemLinux
SAP Analytics & Data Platforms
SAP Analytics Cloud (SAC), SAP BusinessObjects, SAP Data Services, SAP Information Steward, SuccessFactors analytics, custom SAC widgets and JavaScript extensions.
Data Engineering
SQL, Python, PySpark, dbt, ETL/ELT, Azure Data Lake, Databricks, Delta Lake, Parquet, dimensional modelling, star schemas, semantic layers, Data Vault, data quality, testing, lineage and governance.
Software & Automation
Java, JavaScript, HTML/CSS, REST APIs, Git, GitLab, Azure DevOps, CI/CD, Docker, ServiceNow and platform automation.
BI & Visualization
Power BI, Tableau, QlikView, Looker, SAP Lumira and dashboard UI/UX.
Applied AI
LLM/RAG workflows, agentic and human-in-the-loop systems, Rasa conversational AI, model evaluation and Google Cloud Run delivery.
Delivery
15 years of end-to-end consulting across pharma, FMCG, telecom, automotive, banking, retail and the public sector: requirements, architecture, modelling, build, testing, deployment, production support, documentation and knowledge transfer.
Erfahrung
Berufserfahrungmehr als 10 Jahre
Freelancer seit2015
Sprachen
DeutschGrundkenntnisseEnglischgutTürkischMuttersprache
Projekthistorie
Designed DWH and data mart models (dimensional and Data Vault) to support scalable analytics and reporting. Built and maintained ETL/ELT workflows in SQL; integrated data sources; implemented data validation and quality checks for reliable datasets. Developed dashboards and reporting views (Power BI, Tableau, SAP Analytics); aligned visuals with IBCS and UX best practices; iterated with stakeholders from requirements to go-live.
Led migration from Tableau to Power BI for Nestlé; rebuilt dashboards and supported stakeholder adoption. Managed QlikView to SAP Lumira Designer transition for Coca-Cola; ensured continuity of business-critical reporting. Supported end-to-end DWH/BI delivery: requirements, design, build, test, deployment, and support; validated datasets and ensured consistency across reporting layers during migrations.
Led delivery of dashboards and reports for client rollouts; coordinated requirements, backlog prioritization, and delivery timelines. Facilitated design workshops; clarified data availability and modeling approach; managed cross-team dependencies. Supported pre-sales activities and customer workshops to shape scope and delivery approach.