Machine Learning Engineer II

Sorry, this job was removed at 08:18 p.m. (UTC) on Monday, Jun 01, 2026
Chicago, IL, USA
Hybrid
Cloud • Real Estate • Software • PropTech
Help us revolutionize real estate services.
The Role
Lessen is the tech-enabled, end-to-end property service provider that is transforming how commercial and residential real estate services are delivered and managed at scale. Lessen’s technology platform provides data-driven insights that unlock key growth opportunities for the entire real estate ecosystem—including investors, owners, managers, and service providers. The company leverages a network of over 30,000 vetted, qualified vendors (Lessen Affiliates) serving clients with over 1 million properties and completing more than 3.5 million work orders annually across an expanding range of services. Lessen, LLC is a venture-backed, privately held company with offices in Scottsdale and Chicago. 

The Machine Learning Engineer II role is part of the Technology Team, which is responsible for providing industry-leading machine learning-based tools or processes to the Company, which provide a competitive advantage and efficiency. You will work closely with cross-functional teams to build intelligent systems that solve real-world problems using machine learning, deep learning, and data science techniques. 

What You'll Do:

    • Design, deploy, fine-tune, and evaluate large language models (LLMs); develop effective prompting strategies to optimize performance for various business use cases. 

    • Improve data quality by cleaning the company’s data and sourcing information from new data sources. 

    • Use machine learning/ deep learning to enhance and automate processes in Lessen proprietary tools. 

    • Translate business problems into scalable AI/ML solutions, particularly using LLMs, in areas 

    • such as copilot systems, intelligent voice assistants, and work order processing optimization. 

    • Collaborate cross-functionally with teams to develop, refine, and scale data-driven procedures and workflows. 

    • Foster a positive team environment. 

    • Ensure confidentiality and integrity of internal and external data. 

    • Perform ad-hoc projects and other duties as assigned. 

You Should Have:

     
    Minimum Qualifications 
     
    • PhD or Master’s degree in Math, Physics, Statistics, Computer Science, or other related fields 

    • 1-3 years of experience as a data scientist, working closely within a business 

    • Strong mathematical and statistical skills 

    • Programming Languages: SQL, Python 

    • Understanding of ETL tools and database architecture 

    • Familiarity with pytorch, pandas and cloud platform like AWS, Azure and GCP 

    • Prompt engineering experience 

    • Experience using a machine learning framework e.g. scikit-learn, pytorch or similar 

    • Experience with a statistical software (e.g. R, SAS) 

    • Experience with natural language processing 

    • Advanced knowledge of Data Warehousing and BI best practices 

    • Experience with big data tools such as Spark, Hadoop, etc. 

    • Experience with Tableau or Superset  

    • These are the professional skills we would expect from an individual fully established in this role.  

      • Verbal Communication – Proficient  

      • Written Communication – Proficient  

      • Teamwork – Advanced 

      • Relationships – Advanced 

      • Organizational Awareness – Advanced 

      • Learning Agility – Advanced  

      • Analysis – Advanced  

      • Problem Solving – Advanced  

      • Process Orientation – Advanced 

      • Prioritization – Advanced 

      • Customer Service – Proficient 

      • Process Orientation – Advanced 

      • Negotiation - Advanced 

Why Lessen:
·        Competitive compensation
·        Health, Dental, Vision, Life, Disability options
·        401K retirement savings plan
·        Paid vacation, federal and floating holidays
·        Maternity/Paternity Pay
·        Career advancement opportunities
·        All the tools you'll need to be successful

Lessen is intentional about attracting, developing, and retaining amazing talent from diverse backgrounds. We’re looking for teammates that are enthusiastic, empathetic, curious, motivated, reliable, and will help us amplify the positive & inclusive culture we’ve been building.  Lessen is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, or genetic information. 

What the Team is Saying

Jay Payne
Kirby Pumper
Maya Shea
Jay McKee
Jennifer Gordon
Trevon

Lessen LLC Compensation & Benefits Highlights

  • Leave & Time Off Breadth Flexible or 'unlimited' PTO and paid parental leave are highlighted, with volunteer time also appearing in the package. Feedback suggests time‑off options are a meaningful element, particularly for exempt roles.
  • Healthcare Strength Medical, dental, and vision coverage are paired with on‑demand counseling/EAP and wellness resources. Feedback suggests the core health offering is solid and broadly aligned with market norms.
  • Wellbeing & Lifestyle Benefits Perks include pre‑tax commuter options, pet insurance, and wellness programming, with some roles noting home‑office stipends. Feedback suggests these extras add breadth beyond the basics.

Lessen LLC Insights

Similar Jobs

Lessen LLC Logo Lessen LLC

Operations Support Coordinator

Cloud • Real Estate • Software • PropTech
Hybrid
Chicago, IL, USA
713 Employees

Lessen LLC Logo Lessen LLC

Project Manager

Cloud • Real Estate • Software • PropTech
Hybrid
Chicago, IL, USA
713 Employees
80K-87K Annually

Lessen LLC Logo Lessen LLC

VP, Customer Solutions & Business Impact

Cloud • Real Estate • Software • PropTech
Hybrid
Chicago, IL, USA
713 Employees
170K-225K Annually

Lessen LLC Logo Lessen LLC

Account Manager

Cloud • Real Estate • Software • PropTech
Hybrid
Chicago, IL, USA
713 Employees
60K-65K Annually
Get Personalized Job Insights.
Our AI-powered fit analysis compares your resume with a job listing so you know if your skills & experience align.

The Company
HQ: Scottsdale, Arizona
713 Employees
Year Founded: 1999

What We Do

Lessen is the tech-enabled, end-to-end property service provider that is transforming how commercial and residential real estate services are delivered and managed at scale. Lessen’s technology platform provides data-driven insights that unlock key growth opportunities for the entire real estate ecosystem—including investors, owners, managers, and service providers. The company leverages a network of over 30,000 vetted, qualified vendors (Lessen Affiliates) serving clients with over 1 million properties and completing more than 3.5 million work orders annually across an expanding range of services. Lessen, LLC is a venture-backed, privately held company with offices in Scottsdale and Chicago. To learn more, visit Lessen.com.

Why Work With Us

We make caring for and improving properties simpler, faster, better. Powered by tech and perfected by people, we deliver best-in-class, transformational solutions to deliver assets to market faster, keep businesses up and running, and improve customer and resident experiences. We're property services, simplified.

Gallery

Gallery
Gallery
Gallery
Gallery
Gallery
Gallery

Lessen LLC Teams

Team
Residential
Team
Commercial
Team
Lessen Direct - A Mobile Technician Workforce
About our Teams

Lessen LLC Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

At Lessen, managers decide how teams work best—office, home, or hybrid. We value flexibility, connection, and outcomes, investing in tools that keep everyone aligned and focused on delivering great results together.

Typical time on-site: 3 days a week
HQScottsdale, AZ
Chicago, IL
Learn more

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account