Work with us to transform commercial real estate

JLL Spark
JLL Spark

(Senior) Data Analyst

JLL Technologies

JLL Technologies

IT, Data Science
Warsaw, Poland
Posted on Tuesday, April 30, 2024

JLL Technologies is a tech-focused division of Jones Lang LaSalle, a world leader in real estate services and a Fortune 500 company.

We are seeking a talented professional to join us as a Senior Data Analyst to develop and deliver data insights and solutions through your technical and business expertise. The successful candidate will join the Portfolio Insights team, responsible for managing and optimising JLL Client (one of the largest tech companies in Silicon Valley)’s strategic real estate plans.

If this job description resonates with you, do not hesitate to apply even if you don’t meet all of the requirements below. We’re interested in getting to know you and what you bring to the table! We know that unique backgrounds, experiences and perspectives help us think bigger, spark innovation and thrive together.


  • Develop and deliver actionable insights and recommendations with the appropriate analytics methodologies and techniques to help Client make informed portfolio decisions

  • Generate queries, dashboards, and reports using complex datasets from a wide range of sources

  • Collaborate cross-functionally on advanced analytics projects (predictive / prescriptive) that solve various business problems at scale

  • Take ownership of projects end-to-end, from initial requirements and data gathering to user testing and deployment

  • Implement best practices for knowledge transfer and documentation to achieve internal consistency and long-term scalability

  • Create action plans to resolve data-related issues and drive quality improvement to our data ecosystem over time, including the data itself, the analytical data warehouse and the tools used to analyze and interpret results and trends

Minimum Requirements:

  • Strong analytical skills and an abundance of intellectual curiosity

  • Bachelor’s Degree in Math, Statistics, Economics, Computer Science, Engineering, or other quantitative field

  • 3+ years of experience in data analysis and data visualisation

  • Experience building and deploying ML models

  • Proficient in SQL (any dialect), R and Python

  • Experience working with large codebases

  • Expertise with spreadsheet-based tools like Google Sheets or Excel

  • Solution-oriented mindset with the ability to thrive in a fast-paced environment and deliver under pressure

  • Strong communication skills and can clearly communicate business concepts and data findings to all levels of the organization

  • Excellent attention to detail, exhibiting the highest standards of professional integrity and work ethic

Preferred Qualifications:

  • Corporate Real Estate knowledge

  • Familiarity with Google Cloud Platform (e.g., BigQuery, Cloud Storage, App Engine)

  • Track record of making business impact by mining and extracting value from large and disconnected datasets


On-site –Warsaw, POL

If this job description resonates with you, we encourage you to apply even if you don’t meet all of the requirements. We’re interested in getting to know you and what you bring to the table!

JLL Privacy Notice

Jones Lang LaSalle (JLL), together with its subsidiaries and affiliates, is a leading global provider of real estate and investment management services. We take our responsibility to protect the personal information provided to us seriously. Generally the personal information we collect from you are for the purposes of processing in connection with JLL’s recruitment process. We endeavour to keep your personal information secure with appropriate level of security and keep for as long as we need it for legitimate business or legal reasons. We will then delete it safely and securely.

For more information about how JLL processes your personal data, please view our Candidate Privacy Statement.

For additional details please see our career site pages for each country.

For candidates in the United States, please see a full copy of our Equal Employment Opportunity and Affirmative Action policy here.

Jones Lang LaSalle (“JLL”) is an Equal Opportunity Employer and is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process – including the online application and/or overall selection process – you may contact us at Accommodation Requests. This email is only to request an accommodation. Please direct any other general recruiting inquiries to our Contact Us page > I want to work for JLL.