Freelance Python Developer Jobs in Illinois (NOW HIRING)

Company description
PHM is the leading health media agency in the US, built for the modern healthcare experience. Here, industry depth meets media scale, where data becomes direction, where creativity and storytelling bring truth to life, and where orchestration replaces fragmentation.
Dedicated to making brands discovered, PHM redefines what media can do through data, content, and creativity. Because in modern healthcare, the brands that are found are the ones that lead. And when brands lead, advantage follows. Go deeper. Be found.
Overview
Responsible for developing and supporting data products, this resource plays a critical role in the development of data warehouse/data lake solutions utilized by internal and external stakeholders. Design and develop warehouse solutions built on the Microsoft SQL Server and AWS technology stacks. These solutions include ETL, data modeling, data quality assessment and data delivery.
Responsibilities

• Create high performance data products by monetizing warehouse and ETL solutions using SSIS, python and Spark
• Performance tuning and optimization of ETL, SQL and database structures
• Design and develop tables, views, triggers, indexes, constraints and stored procedures
• Monitor long running transactions and can optimize query executions using best practices and methodologies
• Assist/support in the design process on an as needed basis
• Design data models for enterprise-wide data integration incorporating:
  • Structured and unstructured data
  • Real time, on-demand, batch and varying timing schedules
• Build data flow automation to retrieve, transform and load data
• Manage data warehouse structure and file storage rules
• Data management functions including:
  • Metadata management
  • Create, alter, delete, grant permissions, indexing, updating
  • Query tuning
• Maintain best practices for handling, storing and using data Tools:
  • SQL Server/SSIS
  • Python/Java
  • Web Analytics Platforms - Google, Adobe, etc.
  • BI Platforms - Tableau, Datorama, etc.
  • Cloud Technologies - AWS, Azure, Google

Qualifications

• BS Degree in one of the following subject areas; Computer Science, Information Technology or related field preferred
• Minimum of 5+ years of experience developing large scale complex database solutions
• Demonstrated experience with BI database design
• Ability to track and resolve database related incidents as well as requests
• Solid understanding of database structures, theories, principles, and practices
• Solid understanding of ETL and data warehouse principles
• Good interpersonal, written and oral communication skills
• Technical documentation skills
• Ability to convey complex ideas in user-friendly language
• Self-motivated and directed, with keen attention to detail
• Able to prioritize and implement tasks in a team-oriented, high-pressure environment

Specific Skills Required:

• Minimum 6 years SQL experience, 5 years of ETL experience, 7 years analyzing data sets
• Strong data warehouse knowledge
• Experience with JSON, XML, ORC,AVRO and Parquet file formats
• Experience with large data sets
• Java, C# or R experience a plus
• Experience with REST API calls
• Experience with Web and Digital marketing data a plus

Additional information
Our Publicis Groupe motto "Viva La Différence" means we're better together, and we believe that our differences make us stronger. It means we honor and celebrate all identities, across all facets of intersectionality, and it underpins all that we do as an organization. We are focused on fostering belonging and creating equitable & inclusive experiences for all talent.
Publicis Groupe provides robust and inclusive benefit programs and policies to support the evolving and diverse needs of our talent and enable every person to grow and thrive. Our benefits package includes medical coverage, dental, vision, disability, 401K, as well as parental and family care leave, family forming assistance, tuition reimbursement, and flexible time off.
If you require accommodation or assistance with the application or onboarding process specifically, please contact USMTTACompliance@publicis.com.
All your information will be kept confidential according to EEO guidelines.
Compensation Range: USD $112,290.00 - USD $161,280.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 8/2/2026.