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Freelance Python Engineer Jobs in Illinois (NOW HIRING)

Senior Data Scientist

Chicago, IL · On-site

$89 - $127/hr

... engineering, marketing or social science methods. * Hands‑on experience mining data for ... Hands‑on experience using Python or R, SQL, and distributed computing systems such as Hadoop or ...

Showing results 21-25

Freelance Python Engineer information

What is a freelance Python engineer?

Freelance Python Engineers are independent professionals who use the Python programming language to develop software, automate tasks, analyze data, or create web applications for clients on a project-by-project basis. Unlike full-time employees, freelancers work with multiple clients and often set their own schedules and rates. They may be hired for short-term projects, ongoing maintenance, or to fill skill gaps within a team. Freelance Python Engineers typically possess strong coding skills, adaptability, and the ability to work independently. Their roles can range from backend development to machine learning and data analysis.

What are the key skills and qualifications needed to thrive as a freelance Python engineer?

To thrive as a Freelance Python Engineer, you need advanced proficiency in Python programming, a solid understanding of algorithms, and practical experience with software development, often demonstrated through a portfolio or relevant degree. Familiarity with popular frameworks (such as Django or Flask), version control systems like Git, and cloud platforms is typically expected, and certifications like PCEP or PCAP can be advantageous. Strong problem-solving, self-management, and client communication skills help you stand out in remote and project-based work. These skills and qualities are crucial for delivering reliable solutions independently, building client trust, and successfully managing multiple projects in a competitive freelance environment.

What are some common challenges freelance Python engineers face when managing multiple clients and projects?

Freelance Python engineers often juggle several projects at once, which can make time management and prioritization challenging. Balancing client expectations, meeting overlapping deadlines, and maintaining clear communication are key hurdles. Additionally, freelancers are responsible for their own project scoping, contract negotiation, and ensuring code quality across varying industries and tech stacks. Building strong organizational habits and using project management tools can help address these challenges while maintaining high client satisfaction.

What is the difference between Freelance Python Engineer vs Python Developer?

AspectFreelance Python EngineerPython Developer
CredentialsOften self-taught or with certifications in Python, no formal degree requiredTypically holds a degree in Computer Science or related field, with Python certifications
Work EnvironmentIndependent, project-based, remote or on-siteUsually employed full-time by companies or agencies, remote or office-based
Employer & IndustryClients across various industries, freelance platformsTech companies, startups, or corporate teams
Search & Comparison IntentLooking for flexible, project-based Python workSeeking full-time or long-term Python development roles

Freelance Python Engineers typically work independently on diverse projects, often without formal degrees, while Python Developers are usually employed full-time with formal education. Both roles require strong Python skills but differ in work setup and employment type.

What are the most commonly searched types of Python Engineer jobs in Illinois?

The most popular types of Python Engineer jobs in Illinois are:

What are popular job titles related to Freelance Python Engineer jobs in Illinois?

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

What cities in Illinois are hiring for Freelance Python Engineer jobs?

Cities in Illinois with the most Freelance Python Engineer job openings:

$88K - $127K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 6 days ago


Job description

Company Description
Digitas is the Networked Experience Agency, built on the vision that we create magnetic experiences that earn the right for brands to exist in human networks. Today, and tomorrow. We deliver Networked Experiences by leveraging comprehensive data, technology, creative, media and strategy capabilities. Digitas delivers ambitious outcomes via unique solutions that include Creative Experiences, Integrated Media, Addressable Relationships, Social Marketing and Total Commerce. Celebrated by AdAge as Data and Insights Agency of the Year, U.S Campaign's Brand Experience Agency of the Year, Media Network of the Year and celebrated by Forrester and Gartner, Digitas serves the world's leading brands through a global network comprised of more than 5,500 employees across over 65 offices in 43 countries.
The Digitas culture is made up of fearless, inventive and generous Unicorns of all kinds.
Job Description
As a Senior Data Scientist, you'll solve complex marketing and business challenges-from cross-channel media and customer experience optimization to segmentation, targeting and business strategy-by accessing, integrating, manipulating, mining and modeling a wide array of data sources.
Job Responsibilities:
  • Translating and reframing marketing and business questions into analytical plans.
  • Using distributed computing systems to ingest, access and integrate disparate big data sources.
  • Conducting extensive exploratory analysis to identify relevant insights, useful transformations and analytical applications.
  • Applying quantitative techniques, including statistical and machine learning, to uncover latent patterns in the data.
  • Building and testing scalable data pipelines or models for real-time applications.
  • Summarizing, visualizing, communicating and documenting analytic concepts, processes and results for technical and non-technical audiences.
  • Collaborating with internal and external stakeholders to establish clear analytical objectives, approaches and timelines.
  • Sharing knowledge, debating techniques, and conducting research to advance the collective knowledge and skills of our Data Science practice.

We're looking for rigorous analytic training and 3+ years professional experience in a data science or analytics role, which typically includes:
  • A Bachelor's or Master's degree in a quantitative field such as statistics, mathematics, econometrics, operations research, data science, computer science, engineering, marketing or social science methods.
  • Hands-on experience mining data for decision-focused insights.
  • Hands-on experience running common statistical or machine learning procedures, such as descriptive statistics, hypothesis testing, dimension reduction, feature transformation, supervised or unsupervised learning.
  • Hands-on experience using Python or R, SQL, and distributed computing systems such as Hadoop or AWS. Familiarity with Linux and/or Spark preferred.
  • Demonstrated interest in marketing analytical applications.
  • Demonstrated self-starter who thrives in a fast-paced environment with flat structure.
  • Familiarity with prompt-based interaction and commonly used generative AI tools (e.g., ChatGPT, Google Gemini, DALL• E, Midjourney) is a plus, especially for tasks like ideation, research, or content generation.

Got the sparkle? Apply if you believe your unique skills are a fit.
Additional Information
Digitas is an equal opportunity employer.
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 $88,540.00 - USD $127,155.00/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 9/15/2026.