Ahmed Abdeljaoued.

Senior Data Engineer & Technical Lead atAlexander Thamm GmbH

I lead the delivery of Azure lakehouse platforms, Databricks and PySpark pipelines, and analytics products — from solution design to production.

About meView experience

About

Building data platforms that ship

Portrait of Ahmed Abdeljaoued

I am a Senior Data Engineer and Technical Lead at Alexander Thamm GmbH, specializing in Azure-based data platforms, Databricks, PySpark, and modern analytics solutions. I design, develop, and maintain scalable data platforms, production-grade ETL/ELT pipelines, business intelligence solutions, and cloud-native applications.

Besides data engineering, I lead development teams, consult clients on technical solutions, translate business requirements into technical designs, estimate work packages, and drive technical decision-making. Based in Berlin, Germany.

Contact

Berlin, Germany

abdeljaoued.ahmed@gmail.com

Languages

Experience

Professional path

Senior Data Engineer / Technical Lead

Alexander Thamm GmbH · 2022 - Present

Responsible for designing and delivering enterprise data platforms and analytics solutions for customers in Germany.

Automotive Manufacturer (R&D) — Technical Lead & Senior Data Engineer (April 2024 - Present)

Technical leadership of a business-critical web application and its data platform. Next.js / NestJS delivery, REST and webhook integrations, and large-scale Databricks synchronization.

  • Next.js
  • NestJS
  • Databricks
  • Azure

Automotive Manufacturer (Planning) — Technical Lead & Senior Data Engineer (May 2025 - Present)

Directed the BI platform and enterprise reporting. Reusable Python wheel packages, Databricks Jobs, Unity Catalog governance, and Power BI with RBAC/RLS.

  • Unity Catalog
  • PySpark
  • Power BI
  • Delta Lake

Wholesale Company — Data Engineer

Maintained and enhanced the enterprise Azure Data Warehouse and BI platform. Built ETL/ELT pipelines with Databricks and PySpark, Delta Lake curation, Azure Data Factory orchestration, and Power BI dashboards.

  • Azure Databricks
  • PySpark
  • Azure Data Factory
  • Delta Lake
  • Power BI

Data Engineer

tausendkind GmbH · June 2020 - 2022

Developed and enhanced data marts and reporting solutions. Optimized ETL for an on-premises PostgreSQL warehouse, Linux shell automation, Qlik KPIs, and database backup/restore procedures.

  • PostgreSQL
  • SQL
  • Linux
  • Shell Scripting
  • Qlik

IT Consultant

SD&C GmbH · March 2019 - May 2020

Provided Microsoft Azure, SQL Server, PowerShell, Power BI, and SharePoint solutions. Improved client data warehouse architecture, automated ingestion, and built SSIS ETL packages.

  • Azure
  • SQL Server
  • Power BI
  • TypeScript

Working Student — BI Developer and Consultant

SD&C GmbH · January 2018 - February 2019

Proposed data warehouse solutions, prepared SQL Server ETL/modeling, and developed Power BI and R visualizations.

  • SQL Server
  • Power BI
  • R

Freelancer — Data Engineer

DATANOMIQ · March 2017 - May 2017

Built a movie rating prognosis model on a 20-million-rating dataset using Apache Spark ML and configured the assignment environment.

  • Apache Spark
  • Python

Certifications

Verified credentials

Professional certifications with public verification links.

Databricks

Databricks Certified Data Engineer Associate

Issued January 2025 · Valid through January 2027

Validates skills on the Databricks Lakehouse Platform, including Spark SQL/Python ETL, Delta Lake, and productionizing pipelines and Databricks SQL assets.

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Microsoft

Microsoft Certified: Azure Fundamentals

Verified on Microsoft Learn

Foundational Azure certification covering cloud concepts, Azure services, security, privacy, compliance, and pricing.

Verify on Microsoft Learn

Skills

Core stack

Data Engineering

  • Azure Databricks
  • PySpark
  • Python
  • SQL
  • Delta Lake
  • ETL / ELT
  • Data Warehousing
  • Data Modeling
  • Data Pipelines
  • Performance Optimization

Microsoft Azure

  • Azure Data Factory
  • Azure Storage
  • Azure SQL
  • Unity Catalog
  • Databricks Jobs

Business Intelligence

  • Power BI
  • Power BI Administration
  • Row-Level Security (RLS)
  • Role-Based Access Control (RBAC)
  • Dashboard Development
  • Data Analytics

Software Development

  • Next.js
  • NestJS
  • TypeScript
  • REST APIs
  • Webhooks
  • Full Stack Development

Leadership

  • Technical Leadership
  • Client Consulting
  • Solution Design
  • Requirements Engineering
  • Work Package Estimation
  • Agile Development
  • Stakeholder Management
  • Team Leadership

Education

Academic background

Hochschule für Technik und Wirtschaft Berlin

Master Media Computer Science · October 2016 to February 2019

Graduated with a Master of International Media Computer Science. Coursework covered machine learning with Python, business analytics, and data visualization.

Master Thesis

Hochschule für Technik und Wirtschaft Berlin

Master Applied Computer Science · October 2014 to September 2016

Projects included a mobile application for public health and system development frameworks using Agile methods.

Institut Superieur de l'Informatique — Tunis

B.A. Computer Network Administration · September 2010 to July 2013

Bachelor thesis on deploying security information systems with open source tools at the National Agency for Computer Security.

Bachelor Thesis

Works

Selected project highlights

Anonymized client work from recent engagements, plus an academic demo. Click a card for details.

Client work

Azure Data Warehouse

Wholesale — Data Engineering

Maintained and enhanced an Azure-based data warehouse and BI platform. Built ETL/ELT pipelines with Databricks and PySpark, processed Full/Delta Excel deliveries into Delta Lake, and improved Power BI reporting.

  • Azure
  • Databricks
  • PySpark
  • Power BI

Client work

Full-Stack Data App

Automotive R&D — Tech Lead

Technical Lead for a development team delivering a Next.js / NestJS application with enterprise integrations and large-scale data synchronization via Databricks and PySpark on Azure.

  • Next.js
  • NestJS
  • Databricks
  • Azure

Client work

BI & Data Governance

Automotive Planning — Tech Lead

Led technical direction for enterprise reporting: reusable Python wheel packages, Databricks Jobs, Unity Catalog governance, and Power BI administration with RBAC and Row-Level Security.

  • Unity Catalog
  • Power BI
  • PySpark

Academic

Unfilterme

Machine Learning (Academic)

Academic deep-learning project: an API for image-to-image translation that improves continuously via user feedback.

  • Machine Learning

Contact

Let’s talk platforms & pipelines

Ahmed Abdeljaoued

Berlin, Germany

abdeljaoued.ahmed@gmail.com

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