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Eugen GeistEG

Eugen Geist

Software | Data Engineer (Python, SQL, AI)

€1,080/day
Hamburg, DE
8-15 years

Average response time: 1 hour

About Eugen

Maximizing your business value with expert software solutions tailored to your unique challenges.

I support you and your company through all phases of the software development lifecycle - from planning and requirements engineering through development and testing until go live and maintenance.

8+ years experience in different industries helping customers to solve their problems using a variety of technologies and methodologies ranging from development:
- Python
- SQL
- Bash

over different types of databases and supporting technologies:
- PostgreSQL
- Clickhouse
- Cassandra
- Apache Kafka
- Airflow
- Spark

in heterogeneous environments:
- AWS
- Cloud
- Kubernetes
- Containers

by applying best practices:
- ETL & ELT
- Data Warehouse
- Data Lake
- Requirements Engineering
  • German

    Native or bilingual

  • English

    Fluent

  • Russian

    Conversational

Can work on-site
Hamburg (up to 50km), Berlin (up to 50km)

Experience

  • DER SPIEGEL
    Development of AI-Driven Data Extraction For Historic Document Digitization
    CULTURE
    April 2026 - June 2026 (2 months)
    Hamburg, Germany
    • Led a team of 3 engineers and coordinated with stakeholders and cross‑functional teams in a highly critical project, ultimately contributing to a piece of content that is among the top‑performing articles to date
    • Participated in designing and implementing a data extraction pipeline combining machine learning classification and LLM‑based OCR to digitize over 13 million documents across 10+ terabytes, enabling customers to search previously inaccessible historic records
    Microsoft Azure Google Cloud Platform (GCP) Claude Gemini Leadership
  • DER SPIEGEL
    Development of DataVault Warehouse and KPI Data Marts
    CULTURE
    December 2025 - Today (7 months)
    Hamburg, Germany
    • Integrated external data sources into a DataVault warehouse, preserving full data history and enabling flexible combination of business entities to support evolving analytical requirements
    • Transformed and provided warehouse data as data mart structures containing business‑critical sales KPIs, enabling decision makers and marketing teams to plan and steer based on actionable insights
    • Participated in designing and implementing the provision of warehouse data to a new central third‑party data platform, ensuring seamless cross‑system data availability and enabling user independence through self‑service access to business‑critical data
    Python Microsoft Azure AWS Data Vault Terraform
  • Undisclosed
    Development of SEO SaaS MVP
    SOFTWARE PUBLISHING
    December 2025 - Today (7 months)
    Hamburg, Germany
    • Performed end‑to‑end requirements engineering, system design, and implementation of a full‑stack SEO‑SaaS MVP, encompassing frontend, backend, and data model architecture to enable early user validation
    • Integrated multiple external APIs including Google Search Console, LLM providers, and SEO data sources, enabling users to consolidate fragmented SEO intelligence into a single actionable platform
    • Designed and implemented automated workflows to measure website performance by combining connected data sources, providing users with data‑driven insights to optimize their search engine rankings
    • Owned deployment and operations of the entire system, ensuring high availability and seamless operation
    LiteLLM Claude Python Django Kamal

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Education

  • Master of Science
    FernUniversität in Hagen
    2022
    Master of Science - MS
  • Bachelor of Science
    FACHHOCHSCHULE WEDEL
    2017
    Bachelor of Science - BS, Wirtschaftsinformatik

Skill set

Categories