Data Engineer (m/f/d)
Responsibilities
- Design, build, and optimize batch data pipelines for internal tool use cases
- Develop efficient Spark SQL transformations for large-scale datasets
- Use Python for data processing, orchestration, and automation
- Create and maintain data models (facts, dimensions, aggregates) with clear grain and metric definitions
- Ensure data quality and correctness, including handling late data, duplicates, and adjustments
- Implement validation, data quality checks, and reconciliation logic
- Work with business stakeholders to gather requirements, define metrics, and translate needs into pipelines
- Collaborate with infrastructure teams on standards, performance tuning, and best practices
Profile
- Bachelor oder Master degree in a technical field or an equivalent qualification
- Experience in data engineering or a related field
- Strong proficiency in Spark SQL for large-scale data transformations
- Solid Python skills for data processing and pipeline development
- Strong understanding of data modeling (fact tables, dimensions, grain, SCDs)
- Hands-on experience building and maintaining batch pipelines in production
- High attention to detail with a strong focus on data quality and metric integrity
- Ability to communicate clearly with non-technical stakeholders and translate business needs into data solutions
Benefits
- Remuneration in the most attractive collective agreement in the industry
- Annual leave entitlement of 30 days
- Generous working time account with the possibility to pay overtime
- Subsidization of direct insurance (as company pension scheme)
About Hays
IT is and always has been our core business that laid the foundation for Hays' success. We are the biggest privately owned IT recruitment agency in Germany and offer the best jobs for every career level – whether you are interested in vacancies in agile SMEs or international DAX groups. Hays masters the entire IT job spectrum, from support to software architecture or digitalisation – thanks to our broad portfolio, we have something for everyone. In the last decades, we were able to support numerous IT experts with choosing the right path for a successful career, positioning ourselves as their lifelong partner. Our highly specialised consultants can cater to your every wish and expectation and will prepare you for interviews and contract negotiations. Give it a try and learn what the market has to offer – our services are free of charge, non-binding and discreet! We look forward to hearing from you.
Hays steht für Vielfalt und setzt sich aktiv für Chancengerechtigkeit und Teilhabe ein. Alle - unabhängig von Geschlecht, sexueller Orientierung, Behinderung, Alter, Herkunft sowie kultureller und religiöser Zugehörigkeit - erhalten bei uns die gleichen Möglichkeiten. Daher laden wir alle Menschen, besonders auch Menschen mit Behinderungen dazu ein, sich bei uns zu bewerben.
Staffing process for a permanent or temporary position
- Analysis of qualifications
- Telephone or personal interview
- Contact with customers
- Contract with Hays
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1. Analysis of qualifications
We will review your application documents and carry out a detailed analysis of your professional qualification.
Contact at Hays
Bei Fragen zur Barrierefreiheit und Inklusion steht die folgende Anlaufstelle vertraulich zur Verfügung: inklusion-hpsg@hays.de.© Copyright Hays plc, . Das Wort HAYS, die H-Symbole, „Hays Working for your tomorrow" und „Powering the world of work" sowie damit verbundene Logos und Illustrationen sind eingetragene Markenzeichen der Hays PLC. Die H-Symbole sind Originaldesigns, die in vielen Ländern geschützt sind. Alle Rechte vorbehalten.