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Senior Data Engineer

JLL
Westmont, USA
Full-time
Senior
Onsite
USD 150000-150000 / year
Discovered 5 days ago
azuredatabricksdelta-lakefastapiflaskpython

Full Job Posting

Location:

  • On-site –Westmont, IL
  • If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements. We’re interested in getting to know you and what you bring to the table!
  • Personalized benefits that support personal well-being and growth:
  • JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental, physical and emotional health. Some of these benefits include:
  • 401(k) plan with matching company contributions
  • Comprehensive Medical, Dental & Vision Care
  • Paid parental leave at 100% of salary
  • Paid Time Off and Company Holidays
  • Early access to earned wages through Daily Pay
  • At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.
  • 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 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 email us at [email protected]. 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.
  • Pursuant to the Arizona Civil Rights Act, criminal convictions are not an absolute bar to employment.
  • Pursuant to Illinois Law, applicants are not obligated to disclose sealed or expunged records of conviction or arrest.
  • Pursuant to Columbia, SC ordinance, this position is subject to a background check for any convictions directly related to its duties and responsibilities. Only job-related convictions will be considered and will not automatically disqualify the candidate.
  • California Residents only
  • If you are a California resident as defined in the California Consumer Privacy Act (CCPA) please view our Supplemental Privacy Statement which describes your rights and disclosures about your personal information. If you are viewing this on a mobile device you may want to view the CCPA version on a larger device.
  • Pursuant to the Los Angeles Fair Chance Initiative for Hiring Ordinance, JLL will consider for employment all qualified Applicants, including those with Criminal Histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance.
  • Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
  • Accepting applications on an ongoing basis until candidate identified.

Qualifications

  • Hands-on Databricks experience (Delta Lake, Unity Catalog, Spark SQL, PySpark, Workflows) with strong SQL and Python skills
  • Demonstrated experience building a semantic layer in Databricks (Unity Catalog views, metric views and/or Genie configuration)
  • Experience building batch and streaming pipelines and lakehouse/medallion data models
  • Experience developing REST APIs (FastAPI or Flask) with OAuth-based authentication and authorization
  • Working knowledge of AI data engineering concepts: embeddings, vector search, RAG, LLM agents, context engineering and AI evaluation
  • Experience with data governance, lineage, quality and security in an enterprise environment

Preferred Qualifications

  • Experience with cloud platforms (Azure preferred) and CI/CD
  • Experience with Genie or similar text-to-SQL tools, including accuracy benchmarking
  • Experience with MCP or agent frameworks for enterprise data access
  • This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.
  • 150,000.00 – 150,000.00 USD per year
  • Final compensation packages are determined by various considerations including but not limited to candidate qualifications, location, market conditions, and internal considerations.
  • On-site –Westmont, IL
  • If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements. We’re interested in getting to know you and what you bring to the table!
  • 401(k) plan with matching company contributions
  • Comprehensive Medical, Dental & Vision Care
  • Paid parental leave at 100% of salary
  • Paid Time Off and Company Holidays
  • Early access to earned wages through Daily Pay
  • At JLL, we harness the power of artificial intelligence (AI) to efficiently accelerate meaningful connections between candidates and opportunities. Using AI capabilities, we analyze your application for relevant skills, experiences, and qualifications to generate valuable insights about how your unique profile aligns with the specific requirements of the role you're pursuing.
  • 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 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 email us at [email protected]. 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.
  • Pursuant to the Arizona Civil Rights Act, criminal convictions are not an absolute bar to employment.
  • Pursuant to Illinois Law, applicants are not obligated to disclose sealed or expunged records of conviction or arrest.
  • Pursuant to Columbia, SC ordinance, this position is subject to a background check for any convictions directly related to its duties and responsibilities. Only job-related convictions will be considered and will not automatically disqualify the candidate.
  • California Residents only
  • If you are a California resident as defined in the California Consumer Privacy Act (CCPA) please view our Supplemental Privacy Statement which describes your rights and disclosures about your personal information. If you are viewing this on a mobile device you may want to view the CCPA version on a larger device.
  • Pursuant to the Los Angeles Fair Chance Initiative for Hiring Ordinance, JLL will consider for employment all qualified Applicants, including those with Criminal Histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance.
  • Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
  • Accepting applications on an ongoing basis until candidate identified.

Responsibilities

  • Contribute to the design of information infrastructure and data management processes that move the organization to a more agile, robust, AI-ready target state data architecture
  • Build systems and pipelines that ingest, cleanse and normalize diverse internal and external datasets, and add structure to unstructured data for analytical and AI use
  • Partner with colleagues and external professionals to determine requirements, anticipate future needs and identify opportunities to drive data development
  • Develop a strong understanding of how data flows across CRM, Broker & Sales, Finance, HR, MDM, ODS, Data Lake and EDW
  • Deliver data and API solutions, including natural-language and AI-assisted access to governed data, that enable non-technical staff to make data-driven decisions
  • Develop POCs to validate solution proposals and influence platform architects, product managers and software engineers
  • Design and develop data lake and API solutions for structured and unstructured data, and provide technical guidance to help colleagues migrate to modern platforms
  • AI DATA ENGINEERING
  • Build AI-ready pipelines that curate and version data for retrieval, evaluation and agentic workflows, including document parsing, chunking, embeddings and vector search for RAG
  • Develop API and MCP-based foundations that give AI agents governed access to enterprise data
  • Implement data quality, lineage, observability and evaluation frameworks to measure the accuracy of AI-generated answers against trusted data
  • Apply governance and access controls (row/column-level security, masking) so AI solutions respect data classification and privacy requirements
  • Partner with data science and business teams to move AI prototypes into production-grade, monitored solutions
  • SEMANTIC LAYER (DATABRICKS)
  • Design, build and maintain a governed semantic layer in Unity Catalog, including curated views, certified metric definitions and centralized business logic
  • Configure and tune Databricks Genie spaces (instructions, sample queries, entity matching, naming conventions) to enable accurate natural-language querying
  • Establish semantic layer standards, documentation and versioning, and validate outputs against source-of-truth systems with Finance, HR and other business owners

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