Junior Data Quality Assistant

Cushman & Wakefield; Warszawa; On-site; PLN 52,000 - 68,000; Full time

Job summary

Cushman & Wakefield is seeking a Junior Data Quality Assistant to support the Netherlands data operations by ensuring accurate capture, quality, and scalable use of real estate data. You will collaborate with analysts and business teams to improve data processes and automation, while building dashboards and reports.

The role emphasizes organization, attention to detail, and a willingness to grow in data analytics, with a focus on data quality and process improvement across multiple data sources.

Qualifications

• Fluent in English; Dutch is a plus but not required.
• 1–3 years of experience in data management, data entry, reporting, or similar roles.
• Strong MS Office skills including SharePoint and OneDrive.
• Excellent Excel skills including formulas, pivot tables, and data validation.

Responsibilities

• Collect information from internal and external sources to maintain datasets.
• Update and maintain databases on assets, prices, yields, occupancy, and KPIs.
• Run data quality controls and identify improvements.
• Prepare and structure datasets for analysis and projects.
• Create and maintain Power BI dashboards and data visualizations.
• Document data processes and work with teams to ensure correct usage of data.

Skills

English fluency

SQL basics

Power BI

Excel

Data management

Power Query

Tools

SharePoint

OneDrive

Job description

Job Title Junior Data Quality Assistant Job Description Summary The Junior Data Operations is a key operational role supporting the Business Development Services function for the Netherland market. This role will be responsible for ensuring the accurate capture, quality, and efficient use of real estate data, making sure the information used by business, analysis, and reporting teams is precise, consistent, and scalable. This position plays an important role in strengthening the data foundation needed to support decision-making across the Netherlands business. The ideal candidate will be highly organized, detail-oriented, and eager to grow within the world of data by learning to scale data processes through automation and reporting. This role will work closely with research analysts, consultants, and business teams to ensure data is properly used and interpreted.

Key Responsibilities

• Collect information from internal and external sources (real estate portals, public records, technical reports, internal systems).
• Update and maintain databases on assets, prices, yields, occupancy, and other market KPIs for the Belux market.
• Run data quality controls (consistency, duplicates, formatting, temporal coherence) and identify areas for improvement.
• Prepare and structure datasets for analysis, studies, and specific projects.
• Support with cleansing and enhancing the dataset to assist with analysis requirements and enhanced analytics.
• Identify and catalogue new data sets that could support our analytical ambitions.
• Ensure market data is ready ahead of reporting deadlines.

Automation & Data Exploitation

• Identify repetitive data entry tasks and propose improvements or automations to optimize processes.
• Create and maintain SQL queries for data extraction, validation, and cross-referencing between different sources.
• Support basic data modeling for reporting and analysis.
• Collaborate on the creation and maintenance of Power BI dashboards, both operational and KPI-tracking.
• Support data reconciliations between systems and sources (source vs. reporting).

Documentation & Collaboration

• Document data capture, validation, automation, and data flow processes.
• Work closely with research analysts and business teams to ensure correct use and interpretation of data.
• Participate in continuous improvement initiatives and data process standardization.

Key Requirements

• Fluent in English.
• Dutch language skills are beneficial but not required.
• 1 to 3 years of experience in data management, data entry, reporting, or similar functions.
• Common MS Office applications to excellent levels including SharePoint and OneDrive.
• Strong command of Excel (formulas, pivot tables, data validation; Power Query is a plus).
• Analytical mindset, focus on data quality, and strong attention to detail.
• Basic knowledge of SQL (SELECT, JOIN, filters).
• Experience with or interest in Power BI (datasets, simple models, visualizations).
• Interest in process automation and operational optimization.
• Basic understanding of data concepts: tables, relationships, KPIs, data flows.
• Prior experience in real estate, consulting, or data-related environments is a plus, not a requirement.
• A self-starter mindset, and a passion for making business improvements.
• Strong analytical and problem-solving skills.
• Ability to work independently and as part of a team.

Cushman & Wakefield is an equal opportunity / affirmative action employer. All qualified candidates will receive consideration for employment without regard to ethnicity, gender, gender identity or expression, sexual orientation, age, disability, religion, marital status, or any other legally protected characteristic. Cushman & Wakefield is committed to equity in employment, and our goal is to have a diverse, inclusive and barrier-free workplace.

If you are a person with a disability and need any other accessible accommodations during the hiring process, you are invited to bring this to the Talent Acquisition Advisor’s attention once they have made contact.

INCO: “Cushman & Wakefield”

About Cushman & Wakefield Cushman & Wakefield Cushman & Wakefield (NYSE: CWK) is a leading global commercial real estate services firm for occupiers and investors with approximately 53,000 employees in over 350 offices and nearly 60 countries. In 2025, the firm reported revenue of $10.3 billion across its core service lines of services, Leasing, Capital markets, and Valuation and other. Built around the belief that Better never settles, the firm receives numerous industry and business accolades for its award-winning culture. For additional information, visit www.cushmanwakefield.com