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Freelance Junior Python Developer Jobs in Illinois

Adidev Technologies Inc

DevOps Engineer

Chicago, IL · On-site

$54.50 - $74.50/hr

Mentor junior engineers and contribute to architectural decisions. * Lead incident response and ... Scripting skills in Python or Bash. * Monitoring and observability implementation. * Networking and ...

Wolverine

Junior Systematic Options Analyst

Chicago, IL · On-site

$100K - $125K/yr

Junior Systematic Options Analyst Department: Trading Employment Type: Full Time Location: Chicago ... Experience with C++ and Python or a similar programming language is a plus. Why Join Us Our flat ...

TransMarket Group

Junior Data Engineer

Chicago, IL · On-site

$118K - $141.60K/yr

Description Our Data Engineering team designs, builds, and supports the data systems that power our ... The role offers a high degree of ownership and hands-on learning, with exposure to Python, SQL ...

Benchmark Analytics

Senior Data Engineer

Chicago, IL · On-site

$109.20K - $148.30K/yr

Contributing to the design and implementation of a greenfield data platform leveraging Python ... Providing technical mentorship and guidance to junior engineers * Acting as a technical SME in ...

Benchmark Analytics

Senior Data Engineer

Chicago, IL · On-site

$109.20K - $148.30K/yr

Contributing to the design and implementation of a greenfield data platform leveraging Python ... Providing technical mentorship and guidance to junior engineers * Acting as a technical SME in ...

Benchmark Solutions LLC

Senior Data Engineer

Chicago, IL · On-site +1

$109.20K - $148.30K/yr

Contributing to the design and implementation of a greenfield data platform leveraging Python ... Providing technical mentorship and guidance to junior engineers * Acting as a technical SME in ...

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Freelance Junior Python Developer information

What are the key skills and qualifications needed to thrive as a Freelance Junior Python Developer, and why are they important?

To thrive as a Freelance Junior Python Developer, you need a solid understanding of Python programming, basic software development principles, and familiarity with version control systems, typically supported by a relevant degree or coding bootcamp certification. Competence with tools like Git, basic web frameworks (e.g., Flask or Django), and cloud platforms (such as AWS or Heroku) is often required. Strong communication, time management, and problem-solving abilities help you collaborate with clients and deliver projects on schedule. These skills enable you to produce reliable code, respond effectively to client needs, and build a reputation for professionalism in the competitive freelance market.

What are some common challenges faced by Freelance Junior Python Developers, and how can they be addressed?

Freelance Junior Python Developers often encounter challenges such as managing multiple projects simultaneously, communicating effectively with clients who may have limited technical knowledge, and keeping up with rapidly evolving technologies. To address these challenges, it's important to develop strong organizational skills, set clear expectations with clients, and continuously invest time in learning new libraries and frameworks. Joining online communities and seeking mentorship can also provide valuable support and opportunities for growth.

What does a Freelance Junior Python Developer do?

A Freelance Junior Python Developer is an entry-level programmer who works independently or through contracts to build, test, and maintain software using the Python programming language. They often assist with coding small features, fixing bugs, and supporting more senior developers on projects. Their tasks may include writing simple scripts, working on websites or applications, and learning best practices in software development. Because they are freelancers, they typically work for multiple clients rather than a single employer.

What is the difference between Freelance Junior Python Developer vs Freelance Data Analyst?

AspectFreelance Junior Python DeveloperFreelance Data Analyst
Required SkillsPython, basic programming, problem-solvingData analysis, SQL, Excel, Python (optional)
Work EnvironmentProject-based, remote or freelance platformsProject-based, remote or freelance platforms
Common IndustriesTech, startups, software developmentFinance, marketing, healthcare
CertificationsNone mandatory, some may have Python coursesData analysis certifications (e.g., Google Data Analytics)

Freelance Junior Python Developers focus on coding and software tasks, while Freelance Data Analysts analyze data sets to provide insights. Both roles often operate remotely and require some technical skills, but their core responsibilities differ significantly.

What are the most commonly searched types of Junior Python Developer jobs in Illinois? The most popular types of Junior Python Developer jobs in Illinois are:
What are popular job titles related to Freelance Junior Python Developer jobs in Illinois? For Freelance Junior Python Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Freelance Junior Python Developer jobs in Illinois look for? The top searched job categories for Freelance Junior Python Developer jobs in Illinois are:
What cities in Illinois are hiring for Freelance Junior Python Developer jobs? Cities in Illinois with the most Freelance Junior Python Developer job openings:
Freelance Junior Python Developer jobs near you

Senior Data Engineer

Publicis Groupe Holdings B.V

Chicago, IL • On-site

$88K - $103K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 15 days ago

Job description

Company description
Publicis Media is a social marketing and dynamic content center of excellence, specializing in connecting brands to consumers in real-time, social environments.
Responsibilities
  • Design, build, and maintain scalable ETL and ELT pipelines based on business requirements, user stories, and architectural standards.
  • Assemble, transform, and manage large, complex datasets using cloud-native technologies (AWS, Databricks, Amazon Redshift) and SQL-based processing.
  • Design and maintain relational data models to support analytics, reporting, and downstream consumption.
  • Lead performance, reliability, and scalability efforts across the data platform, including monitoring, tuning, and optimization of pipelines and workloads.
  • Develop and maintain Databricks solutions leveraging Spark, Delta Tables, and managed workflows (jobs, orchestration).
  • Implement data governance and access controls using Unity Catalog and platform best practices.
  • Use Git-based version control to manage code, support peer collaboration, and enable CI/CD workflows.
  • Lead and support data platform migrations into Databricks, including legacy warehouse modernization and pipeline refactoring.
  • Mentor and train junior data engineers through code reviews, technical coaching, and knowledge sharing.
  • Create clear, accurate, and maintainable technical documentation.
  • Participate in on-call rotation and provide escalation support for production issues as needed.

Qualifications
  • Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field.
  • 4+ years of experience in data engineering or a related role.
  • Strong hands-on experience with ETL/ELT frameworks and cloud data platforms (e.g., Databricks, AWS Glue, Amazon Redshift).
  • Strong experience with relational databases and advanced SQL, including schema design, joins, window functions, performance tuning, and query optimization-particularly in Amazon Redshift or comparable cloud data warehouses.
  • Proficiency in Python for data processing, automation, and pipeline development.
  • Deep hands-on experience with Databricks, including Spark optimization, Delta Tables, and Unity Catalog.
  • Experience migrating data pipelines and workloads into Databricks from legacy or cloud data warehouse platforms (plus).
  • Databricks certifications (e.g., Data Engineer Associate or Professional) a plus.
  • Proficiency with Git and version control best practices in a collaborative development environment.
  • Proven ability to mentor junior engineers and promote engineering best practices across the team.
  • Excellent communication skills, with the ability to clearly explain technical concepts to technical and non-technical stakeholders.
  • Strong customer service mindset with the ability to translate business needs into reliable, scalable data solutions.
  • Highly organized, self-motivated, and able to manage multiple priorities in a fast-paced environment.
  • Digital media or ad tech experience, especially in data-centric roles, is 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 USMSTACompliance@publicis.com.
All your information will be kept confidential according to EEO guidelines.
Compensation Range: $88,000- $103,000 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 6/1/2026.
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