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Contractual Freelance Python Programmer Jobs in Illinois

Solomon Page

Senior Data Engineer

Chicago, IL · On-site

$65 - $80/hr

  • Medical

  • Dental

  • Retirement

The ideal candidate has strong expertise in Databricks, SQL, Python, and AWS, along with experience ... freelancers - which sets us apart in the industries we serve. About Solomon Page Founded in 1990 ...

Daniel J Edelman Holdings, Inc.

Data Scientist

Chicago, IL · On-site +1

$139K - $144K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Bachelor's degree in Data Science, Computer Science, Data Engineering, Marketing Analytics, or ... Python, R, SQL, Tableau and Power BI. * Cloud environments including: AWS, Azure, and GCP Data Lake ...

Daniel J Edelman Holdings, Inc.

Data Scientist

Chicago, IL · On-site

$139K - $144K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Bachelor's degree in Data Science, Computer Science, Data Engineering, Marketing Analytics, or ... Python, R, SQL, Tableau and Power BI. * Cloud environments including: AWS, Azure, and GCP Data Lake ...

Steampunk

Data Scientist

Bloomington, IL · On-site

$125 - $160/hr

Strong programming skills in SQL, Python, R, Scala, Java, or similar language * Experience using ... limited to geographic location, contractual requirements, education, knowledge, skills ...

New

tms

AI Security Engineer

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Conduct secure code reviews across multiple languages and frameworks, with an emphasis on Python ... contractual compliance. * Maintain a SaaS application inventory and risk register, conducting ...

The University of Chicago

Senior Platform Engineer

Chicago, IL · On-site +1

$107K - $147K/yr

  • Medical

  • Retirement

  • PTO

This at-will position is wholly or partially funded by contractual grant funding which is renewed ... Hands-on scripting experience (Bash, Python, or other dynamic language). * Unix/Linux programming ...

tms

AI Security Engineer

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Conduct secure code reviews across multiple languages and frameworks, with an emphasis on Python ... contractual compliance. * Maintain a SaaS application inventory and risk register, conducting ...

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All JobsContractual Python Programmer JobsContractual Freelance Python Programmer JobsContractual Freelance Python Programmer Jobs in Illinois

Contractual Freelance Python Programmer information

What is the difference between Contractual Freelance Python Programmer vs Python Developer?

AspectContractual Freelance Python ProgrammerPython Developer
CredentialsTypically self-taught or with certifications in Python; no formal degree requiredOften holds a degree in Computer Science or related field; certifications are common
Work EnvironmentRemote, project-based, freelance contractsFull-time or part-time employment, in-house or remote
Employer & Industry UsageHired by multiple clients across industries on a contractual basisEmployed by a single company, working on internal projects

In summary, a Contractual Freelance Python Programmer works independently on short-term projects for various clients, often remotely, without long-term employment commitments. In contrast, a Python Developer is typically employed full-time by a company, focusing on ongoing development within a team. Both roles require Python skills, but their work arrangements and employment status differ significantly.

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For Contractual Freelance Python Programmer jobs in Illinois, the most frequently searched job titles are:

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Cities in Illinois with the most Contractual Freelance Python Programmer job openings:

Contractual Freelance Python Programmer jobs near you

Senior Data Engineer

Solomon Page

Chicago, IL • On-site

$65 - $80/hr

Contractor

Medical, Dental, Retirement

Posted 11 days ago

Job description

We are seeking a hands-on Senior Data Engineer to support Phase 0 data discovery, profiling, mapping, and engineering handoff activities for a large-scale customer data and marketing transformation initiative. This role will work closely with Data Strategists, Solution Architects, and business stakeholders to analyze enterprise data sources, define canonical data models, and prepare high-quality engineering deliverables for implementation in Databricks. The ideal candidate has strong expertise in Databricks, SQL, Python, and AWS, along with experience in data modeling, data quality, and customer identity management.
  • Rate Range: $65-80/hr on W2

Responsibilities:
  • Inventory priority source systems, entities, identifiers, fields, relationships, and data quality issues.
  • Perform data discovery, profiling, and analysis across enterprise data sources.
  • Assess data completeness, duplicate patterns, freshness, lineage, conflicts, and source reliability.
  • Develop source-to-target mappings for the canonical marketing data model.
  • Translate identity resolution rules, survivorship logic, source hierarchy, field ownership, account relationships, and exception handling into engineering-ready documentation.
  • Document data gaps, assumptions, dependencies, risks, and unresolved issues for engineering teams.
  • Define data quality thresholds, acceptance criteria, match confidence metrics, and engineering handoff requirements.
  • Collaborate with Data Strategists, Solution Architects, and client engineering teams to ensure successful implementation in Databricks.
  • Support data engineering best practices and contribute to scalable, high-quality data solutions.

Required Qualifications:
  • 7+ years of experience in Data Engineering, Data Integration, or Data Warehousing.
  • Strong hands-on experience with Databricks, SQL, Python, and AWS.
  • Experience with data profiling, data discovery, and source system analysis.
  • Strong understanding of data modeling, source-to-target mapping, and data transformation.
  • Experience documenting engineering requirements and preparing implementation-ready technical artifacts.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and stakeholder collaboration abilities.

Required Skills:
  • Databricks
  • SQL
  • Python
  • AWS
  • Data Discovery & Profiling
  • Source-to-Target Mapping
  • Data Modeling
  • Data Quality Assessment
  • Customer Identity Resolution
  • Data Lineage
  • Requirements Documentation
  • Stakeholder Collaboration

Technical Skills:
  • Databricks
  • SQL
  • Python
  • AWS
  • CRM Data
  • Eloqua
  • Marketing Data Models
  • Data Mapping
  • Data Quality & Validation
  • Identity Resolution
  • ETL/ELT Concepts

Preferred Qualifications:
  • Experience with customer data platforms (CDPs) or marketing data ecosystems.
  • Knowledge of identity resolution, golden record, and master data management concepts.
  • Experience working with enrichment platforms, analytics data, web data, event data, or 6Sense.
  • Experience supporting enterprise marketing or customer analytics initiatives.

If you meet the required qualifications and are interested in this role, please apply today.
The Solomon Page Distinction
Solomon Page offers a comprehensive benefit program for hourly employees. We pride ourselves on offering medical, dental, 401(k), direct deposit and commuter benefits to our employees, including freelancers - which sets us apart in the industries we serve.
About Solomon Page
Founded in 1990, Solomon Page is a specialty niche provider of staffing and executive search solutions across a wide array of functions and industries. The success of Solomon Page reflects an organic growth strategy supported by a highly entrepreneurial culture. Acting as a strategic partner to our clients and candidates, we focus on providing customized solutions and building long-term relationships based on trust, respect, and the consistent delivery of excellent results. For more information and additional opportunities, visit: solomonpage.com and connect with us on Facebook , and LinkedIn .
Opportunity Awaits.
#LI-NC5

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