Freelance Data Engineer & AI Software Engineer
Aktualisiert am 09.07.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 15.07.2026
Verfügbar zu: 100%
davon vor Ort: 20%
Python
Data Engineer
AI Engineer
SQL
PL/SQL
Airflow
Apache Spark
ETL
Docker
Kubernetes
AWS
Google Cloud
Data Modeling
Data Pipelines
FastAPI
React
TypeScript
MS Power BI
REST API
Polars
Arabic
C2
German
C2
English
C2

Einsatzorte

Einsatzorte

Berlin (+10km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

3 Monate
2026-04 - heute

various projects - AI Automation & Data Engineering

Python SQL OpenAI API ...
  • Talent Agency ? AI-Based Email and Calendar Automation
    • Development of an AI-powered system for processing incoming emails
    • Extraction of relevant appointment information from unstructured email threads
    • Automated preparation of calendar entries and appointment workflows
    • Development of workflows for scheduling, email parsing, and internal coordination
  • Boutique Real Estate Agency ? Operational CRM and Automation
    • Development of an operational CRM system in Airtable for clients, properties and deals
    • Mapping of customer stages, document status, and internal work processes
    • Integration of invoicing processes with Sage
    • Development of a matching system between customer profiles and suitable properties
    • Development of a bot for mobile updating of records
    • Automated collection of apartment information and creation of multilingual property descriptions
  • CGI and Architecture Office ? Lead and Project Monitoring
    • Development of an automated system for identifying newly approved real estate projects
    • Monitoring of approval portals from multiple Australian city administrations
    • Filtering of relevant projects according to defined criteria
    • Enrichment of lead data via Apollo with companies, contact persons, and contact details
    • Creation of daily Slack digests with qualified project leads for the sales process
Python SQL OpenAI API Anthropic Claude API Airtable n8n REST APIs Scaleway FastAPI
Freelance
Berlin (Germany)
2 Jahre 7 Monate
2023-10 - 2026-04

Development and maintenance of data infrastructures and pipelines

Data Engineer Python Airflow SQL ...
Data Engineer
  • Development and maintenance of data infrastructure and pipelines for credit systems in a high-availability environment.
  • Development of data warehouse models and reporting systems for business-critical analyses.
  • Development of Airflow pipelines for integrating multiple data sources into central data platforms.
  • Contribution to system architecture, configuration, and continuous further development of data platforms.
  • Implementation and testing of Python-based applications.
Python Airflow SQL PL/SQL Docker GCP IONOS
S-Kreditpartner GmbH
Berlin (Germany)
1 Jahr 9 Monate
2022-02 - 2023-10

Development of data pipelines and reporting systems

Analyst/ Engineer Python SQL Airflow ...
Analyst/ Engineer
  • Development of data pipelines and reporting systems for clients in the financial services sector.
  • Contribution to universal banking software with a focus on credit-related processes.
  • Extension of the software with credit-related modules and data processing logic.
  • Contribution to data modeling, ETL processes, and data warehouse structures in enterprise environments.
  • Implementation of structured analytics solutions for internal and client-side reporting.
  • Focus on reliable, scalable, and traceable data processing.
Python SQL Airflow Docker Avaloq PL/SQL
Accenture GmbH
Berlin (Germany)
1 Jahr 3 Monate
2020-04 - 2021-06

Development and optimization of web scraping systems

Data Analyst/ Engineer Python Selenium Pandas ...
Data Analyst/ Engineer
  • Development and optimization of web scraping systems for collecting competitor data.
  • Automated data collection from 14 competitors in three countries.
  • Development of ETL pipelines for transforming unstructured raw data into analyzable product data.
  • Development of structured data models for product, price, and competitor analyses.
  • Development of reporting and planning tools for product and management teams.
  • Coordination with business departments to define and optimize internal data processes.
  • Process modeling with BPMN.
Python Selenium Pandas SQLAlchemy SQL Power BI
BlueCity GmbH
Berlin (Germany)

Aus- und Weiterbildung

Aus- und Weiterbildung

2021
B.Sc. Business Informatics
HTW Berlin
Bachelor?s Thesis: on request

CERTIFICATIONS
  • AWS Cloud Practitioner

Kompetenzen

Kompetenzen

Top-Skills

Python Data Engineer AI Engineer SQL PL/SQL Airflow Apache Spark ETL Docker Kubernetes AWS Google Cloud Data Modeling Data Pipelines FastAPI React TypeScript MS Power BI REST API Polars

Produkte / Standards / Erfahrungen / Methoden

TECHNICAL SKILLS
  • Data Engineering
    • Airflow, ETL pipelines, data modeling, data warehousing
  • AI/ LLMs
    • OpenAI API, Anthropic Claude API, RAG
  • Automation
    • n8n, REST APIs, Airtable, CRM workflows, email parsing
  • Analytics/ Reporting
    • Power BI, Excel/VBA
  • Infrastructure
    • ?Docker, Git, GCP, IONOS, AWS, Terraform, Scaleway

Programmiersprachen

Python
SQL
PL/SQL
Typescript
Javascript

Einsatzorte

Einsatzorte

Berlin (+10km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

3 Monate
2026-04 - heute

various projects - AI Automation & Data Engineering

Python SQL OpenAI API ...
  • Talent Agency ? AI-Based Email and Calendar Automation
    • Development of an AI-powered system for processing incoming emails
    • Extraction of relevant appointment information from unstructured email threads
    • Automated preparation of calendar entries and appointment workflows
    • Development of workflows for scheduling, email parsing, and internal coordination
  • Boutique Real Estate Agency ? Operational CRM and Automation
    • Development of an operational CRM system in Airtable for clients, properties and deals
    • Mapping of customer stages, document status, and internal work processes
    • Integration of invoicing processes with Sage
    • Development of a matching system between customer profiles and suitable properties
    • Development of a bot for mobile updating of records
    • Automated collection of apartment information and creation of multilingual property descriptions
  • CGI and Architecture Office ? Lead and Project Monitoring
    • Development of an automated system for identifying newly approved real estate projects
    • Monitoring of approval portals from multiple Australian city administrations
    • Filtering of relevant projects according to defined criteria
    • Enrichment of lead data via Apollo with companies, contact persons, and contact details
    • Creation of daily Slack digests with qualified project leads for the sales process
Python SQL OpenAI API Anthropic Claude API Airtable n8n REST APIs Scaleway FastAPI
Freelance
Berlin (Germany)
2 Jahre 7 Monate
2023-10 - 2026-04

Development and maintenance of data infrastructures and pipelines

Data Engineer Python Airflow SQL ...
Data Engineer
  • Development and maintenance of data infrastructure and pipelines for credit systems in a high-availability environment.
  • Development of data warehouse models and reporting systems for business-critical analyses.
  • Development of Airflow pipelines for integrating multiple data sources into central data platforms.
  • Contribution to system architecture, configuration, and continuous further development of data platforms.
  • Implementation and testing of Python-based applications.
Python Airflow SQL PL/SQL Docker GCP IONOS
S-Kreditpartner GmbH
Berlin (Germany)
1 Jahr 9 Monate
2022-02 - 2023-10

Development of data pipelines and reporting systems

Analyst/ Engineer Python SQL Airflow ...
Analyst/ Engineer
  • Development of data pipelines and reporting systems for clients in the financial services sector.
  • Contribution to universal banking software with a focus on credit-related processes.
  • Extension of the software with credit-related modules and data processing logic.
  • Contribution to data modeling, ETL processes, and data warehouse structures in enterprise environments.
  • Implementation of structured analytics solutions for internal and client-side reporting.
  • Focus on reliable, scalable, and traceable data processing.
Python SQL Airflow Docker Avaloq PL/SQL
Accenture GmbH
Berlin (Germany)
1 Jahr 3 Monate
2020-04 - 2021-06

Development and optimization of web scraping systems

Data Analyst/ Engineer Python Selenium Pandas ...
Data Analyst/ Engineer
  • Development and optimization of web scraping systems for collecting competitor data.
  • Automated data collection from 14 competitors in three countries.
  • Development of ETL pipelines for transforming unstructured raw data into analyzable product data.
  • Development of structured data models for product, price, and competitor analyses.
  • Development of reporting and planning tools for product and management teams.
  • Coordination with business departments to define and optimize internal data processes.
  • Process modeling with BPMN.
Python Selenium Pandas SQLAlchemy SQL Power BI
BlueCity GmbH
Berlin (Germany)

Aus- und Weiterbildung

Aus- und Weiterbildung

2021
B.Sc. Business Informatics
HTW Berlin
Bachelor?s Thesis: on request

CERTIFICATIONS
  • AWS Cloud Practitioner

Kompetenzen

Kompetenzen

Top-Skills

Python Data Engineer AI Engineer SQL PL/SQL Airflow Apache Spark ETL Docker Kubernetes AWS Google Cloud Data Modeling Data Pipelines FastAPI React TypeScript MS Power BI REST API Polars

Produkte / Standards / Erfahrungen / Methoden

TECHNICAL SKILLS
  • Data Engineering
    • Airflow, ETL pipelines, data modeling, data warehousing
  • AI/ LLMs
    • OpenAI API, Anthropic Claude API, RAG
  • Automation
    • n8n, REST APIs, Airtable, CRM workflows, email parsing
  • Analytics/ Reporting
    • Power BI, Excel/VBA
  • Infrastructure
    • ?Docker, Git, GCP, IONOS, AWS, Terraform, Scaleway

Programmiersprachen

Python
SQL
PL/SQL
Typescript
Javascript

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