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Freelance Junior Python Developer Jobs in Illinois

Senior AI Developer

Mettawa, IL · On-site

$62.50 - $82.50/hr

... guidance to junior developers. * Innovation & Best Practices: Stay current with the latest ... Expert-level proficiency in Python and related AI/ML frameworks (e.g., PyTorch, TensorFlow ...

Junior GIS Analyst (Hybrid) Primary Location: Chicago, Illinois V-Soft Consulting is currently ... Programming or scripting with Python and Arcade. * Ability to translate business requirements into ...

Our collective expertise spans traders, engineers, and technologists, unified by an unwavering ... Strong Python and Excel skills * Embodiment of Maven's core values: Integrity and fairness, market ...

Our collective expertise spans traders, engineers, and technologists, unified by an unwavering ... Strong Python and Excel skills * Embodiment of Maven's core values: Integrity and fairness, market ...

Our collective expertise spans traders, engineers, and technologists, unified by an unwavering ... Strong Python and Excel skills * Embodiment of Maven's core values: Integrity and fairness, market ...

Principal, Cloud Security Engineer

Chicago, IL · On-site

$57.50 - $76.75/hr

... and mentoring junior engineers. Responsibilities : • Design, implement and support security ... with Python-based DevOps tooling and automation frameworks • Expertise with Git-based version ...

Senior AI Engineer, AI Services

Chicago, IL · On-site

$126K - $166K/yr

Build real-time and batch workflows using Python, Kafka, EventBridge, Airflow, Snowflake, S3, n8n ... Coach junior engineers on agent design patterns, RAG, orchestration, and clean engineering ...

Senior Engineer, DevOps - US

Chicago, IL · On-site

$133K - $172K/yr

Share knowledge and mentor junior engineers, promoting a culture of technical & operational ... Python, Bash, Kotlin Perks of DISCO * Open, inclusive, and fun environment * Benefits, including ...

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Freelance Junior Python Developer information

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 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 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 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 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:
Data Engineer (Google Cloud Platform/BigQuery) - Talent Intelligence & Sourcing Package

Data Engineer (Google Cloud Platform/BigQuery) - Talent Intelligence & Sourcing Package

Chelsoft Solutions Co.

Lisle, IL • On-site

$50/hr

Other

This job post has expired today. Applications are no longer accepted.


Job description

Strong SQL (top priority)
Hands-on experience with BigQuery (required)
Experience building and optimizing data pipelines (ETL/ELT)
Experience with Airflow / Composer
Background in Google Cloud Platform (Google Cloud Platform)
Ability to work with business stakeholders and technical teams

Important Notes:

This is a hybrid role (4 days onsite) – please only submit candidates who are open to this
Candidates must be open and able to convert to full-time
BigQuery experience is mandatory – candidates without it will not be considered
Strong communication skills are critical

Responsibilities

Work closely with various business, IT, Analyst and Data Science groups to collect business requirements. 

Design, develop, deploy and support high performance data pipelines both inbound and outbound. 

Model data platform by applying the business logic and building objects in the semantic layer of the data platform.

Optimize data pipelines for performance, scalability, and reliability. 

Implement CI/CD pipelines to ensure continuous deployment and delivery of our data products. 

Ensure quality of critical data elements, prepare data quality remediation plans and collaborate with business and system owners to fix the quality issues at its root.

Document the design and support strategy of the data pipelines

Capture, store and socialize data lineage and operational metadata

Troubleshoot and resolve data engineering issues as they arise.

Develop REST APIs to expose data to other teams within the company.

Mentor and guide junior data engineers. 

Education Level

Bachelor''s degree in Computer Science, Computer Engineering, Software Engineering, or other related technical field

Required

Master’s Degree in Computer Science, Computer Engineering, Software Engineering, or other related technical field

Nice to Have

Minimum Experience 6 years

Experience in data engineering solutions such as data platforms, ingestion, data management, or publication/analytics

and

2 years

experience in Google cloud with services like BigQuery, Composer, GCS, DataStream, Dataflows

Required Knowledge, Skills and Abilities

Expert knowledge on SQL and Python programming 
Experience working with Airflow as workflow management tools and build operators to connect, extract and ingest data as needed.
Experience in tuning queries for performance and scalability 
Experience in Real Time Data ingestion using Google Cloud Platform PubSub, Kafka, Spark or similar.
Excellent organizational, prioritization and analytical abilities
Have proven experience working in incremental execution through successful launches.
Excellent problem-solving and critical-thinking skills to recognize and comprehend complex data issues affecting the business environment.
Experience working in agile environment.

Onsite, Lisle, IL 

Rate: $50/hr on W2 Contract