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Python Junior Jobs in Illinois (NOW HIRING)

TransMarket Group

Junior Software Engineer

Chicago, IL · On-site

Programming proficiency and experience (C++, Python). Linux scripting is a plus * Strong work ethic and willingness to do what it takes to get the job done * Excellent technical and non-technical ...

Valkyrie Trading

Junior Derivatives Trader

Chicago, IL · On-site

$140K/yr

Python or R programming experience * Be eligible to start a full-time role within the January 2027 - August 2027 timeframe. * Must have valid, ongoing, unrestricted authorization to work in the ...

Thurn Partners

Junior FPGA Engineer

Chicago, IL · On-site

Scripting chops in TCL, Python, or Bash * A degree in EE, CS, CE, or an adjacent technical field, or on track to complete one by January 2026 * A plus: exposure to high-speed transceivers, networking ...

Valkyrie Trading

Junior Derivatives Trader

Chicago, IL · On-site

$140K/yr

Python or R programming experience * Be eligible to start a full-time role within the January 2027 - August 2027 timeframe. * Must have valid, ongoing, unrestricted authorization to work in the ...

TransMarket Group

Junior Software Engineer

Chicago, IL · On-site

Programming proficiency and experience (C++, Python). Linux scripting is a plus * Strong work ethic and willingness to do what it takes to get the job done * Excellent technical and non-technical ...

Edgehog Trading

Junior FPGA Developer

Chicago, IL · On-site

Python, basic C or C++ is a plus * Ability and eagerness to incorporate AI tools into your development and debugging workflow * A strong desire to learn the HFT domain - no prior finance knowledge ...

Georgia IT, Inc.

Sr. Data Engineer

Chicago, IL · On-site

$118K - $141K/yr

... junior engineers, and collaborating with stakeholders to ensure data accuracy and integrity ... Python. • Utilize Databricks and Spark for data processing tasks. • Collaborate closely with ...

TransMarket Group

Junior Data Engineer

Chicago, IL · On-site

$118K - $141K/yr

The role offers a high degree of ownership and hands-on learning, with exposure to Python, SQL, Linux, APIs, data modeling, and financial systems. The components you work on will help ensure that ...

Supernova Technology

Junior Software Engineer

Chicago, IL · On-site

$80K - $100K/yr

Python is a plus * Hands-on practice on Java Spring Framework and Spring boot * Ability to handle high priority requests in a timely fashion * Ability to adapt to the dynamic and changing nature of a ...

Tror AI for everyone

AI Developer

Mettawa, IL · On-site

$80/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 ...

TransMarket Group

Senior Algorithmic Trader

Chicago, IL · On-site

... environment (C++, Python, Linux scripting). Responsibilities * Maintain expertise in market ... Mentor Junior Traders and promote their learning on the desk * Help steer recruitment initiatives ...

Steampunk

DevSecOps Engineer

Bloomington, IL · On-site

$80K - $175K/yr

Act as an individual contributor and mentor more junior team members * Work with teams to bring ... Experience with scripting in Concourse, Bash, PowerShell, Python, Groovy, or Ruby * Experience with ...

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Python Junior information

See Illinois salary details

$23.3K

$86.2K

$133.2K

How much do python junior jobs pay per year?

As of Sep 9, 2026, the average yearly pay for python junior in Illinois is $86,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,900.00 and $84,300.00 per year, depending on experience, location, and employer.

What is a Python junior?

Python Juniors are entry-level software developers who specialize in using the Python programming language. They typically have foundational knowledge of Python and basic software development principles, and may work on tasks such as writing simple scripts, debugging code, or supporting more experienced developers on larger projects. Python Juniors are often recent graduates or individuals transitioning into software development, and their role offers opportunities to learn and grow their skills in real-world settings.

What are some common challenges faced by Python junior developers during their first year on the job?

Python Junior developers often encounter challenges such as understanding large codebases, managing version control with tools like Git, and adapting to team workflows. They may also need to improve their debugging skills and learn to write clean, maintainable code that meets team standards. Regular communication with senior developers and proactively seeking feedback can help overcome these hurdles and accelerate professional growth.

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

To thrive as a Python Junior, you need a good grasp of Python programming fundamentals, problem-solving abilities, and a relevant degree or coursework in computer science or a related field. Familiarity with version control systems like Git, code editors (e.g., VS Code), and basic understanding of frameworks such as Django or Flask is often expected. Strong communication, willingness to learn, and teamwork are important soft skills that set candidates apart. These skills and qualities are essential for effectively contributing to projects, collaborating with team members, and growing within a technical environment.

What is the difference between Python Junior vs Python Developer?

AspectPython JuniorPython Developer
Required CredentialsBasic programming knowledge, often a diploma or bootcampMore experience, often a degree in CS or related field
Work EnvironmentEntry-level projects, supervised tasksFull project responsibilities, collaborative teams
Industry UsageInternships, junior roles in tech companiesMid-level roles across industries like finance, tech, healthcare

The main difference between a Python Junior and a Python Developer lies in experience and responsibilities. Python Juniors typically have basic skills and work under supervision, while Python Developers handle more complex tasks independently. Employers seek Python Juniors for entry-level positions, with opportunities to grow into full Python Developers as skills develop.

Are Python juniors still in demand in 2026?

Python junior developers are expected to remain in demand in 2026 due to Python's widespread use in data analysis, web development, and automation. Entry-level roles often require knowledge of frameworks like Django or Flask and familiarity with version control tools such as Git.

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

The most popular types of Python jobs in Illinois are:

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

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

What job categories do people searching Python Junior jobs in Illinois look for?

The top searched job categories for Python Junior jobs in Illinois are:

What cities in Illinois are hiring for Python Junior jobs?

Cities in Illinois with the most Python Junior job openings:

Python Junior jobs near you
Infographic showing various Python Junior job openings in Illinois as of August 2026, with employment types broken down into 1% Internship, 89% Full Time, 5% Part Time, and 5% Contract. Highlights an 76% Physical, 7% Hybrid, and 17% Remote job distribution, with an average salary of $86,220 per year, or $41.5 per hour.

Junior Quantitative Latency Engineer

Chicago, IL • On-site

Aplaro Ltd
See more jobs at Aplaro Ltdexternal

Other

Posted 8 days ago

Job description

Hudson River Trading (HRT) is seeking curious, thoughtful engineers who enjoy working with data and solving real-world technical problems to join our growing Market Structure Analysis team. In this role as a Quantitative Latency Engineer, you’ll apply data-driven methodologies to understand and optimize trading technology and real-time interactions with financial markets across the globe, spanning traditional and crypto exchanges. No prior finance experience is needed!

Responsibilities
  • Contribute directly to impactful improvements to HRT’s low-latency trading systems
  • Analyze large datasets to understand how complex systems and networks behave in real-world conditions, such as exchange technology and performance of HRT systems
  • Build Python-based tools and scripts to collect, clean, and visualize data in a clear and actionable way
  • Design and run experiments to measure the impact of changes and identify opportunities for improvement
  • Collaborate closely with HRT’s Algorithm Development, Trading Technology, and Business Development teams to discover, research, and implement improvements to HRT’s architecture
  • Liaise with exchanges globally to better understand their technology and stay up to date on changes and improvements
Qualifications
  • A technical degree or equivalent practical experience
  • Experience with Python and Pandas
  • Proficiency in data analytics including statistics, data visualization, and working with large data sets
  • Strong curiosity about how financial systems, networks, and cutting‑edge technology work, and a willingness to learn new concepts quickly
  • Ability to think analytically, ask insightful questions, and approach unfamiliar problems methodically
  • Strong cross‑functional communication skills and an interest in collaborating with others

The estimated base salary range for this position is 200,000 to 300,000 USD per year (or local equivalent). The base pay offered may vary depending on multiple individualized factors, including location, job‑related knowledge, skills, and experience. This role will also be eligible for discretionary performance‑based bonuses and a competitive benefits package.

Culture

Hudson River Trading (HRT) brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading. At HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering, media and tech. We’re a community of self‑starters who are motivated by the excitement of being at the cutting edge of automation in every part of our organization—from trading, to business operations, to recruiting and beyond.

We value openness and transparency, and celebrate great ideas from HRT veterans and new hires alike. At HRT we’re friends and colleagues – whether we are sharing a meal, playing the latest board game, or writing elegant code. We embrace a culture of togetherness that extends far beyond the walls of our office.

Feel like you belong at HRT? Our goal is to find the best people and bring them together to do great work in a place where everyone is valued.

HRT is proud of our diverse staff; we have offices all over the globe and benefit from our varied and unique perspectives. HRT is an equal opportunity employer; so whoever you are we’d love to get to know you.

Please be advised: Use of AI tools during interviews or assessments is strictly prohibited, unless otherwise instructed or agreed upon. We employ various methods to evaluate the authenticity of candidate responses. If we determine that AI assistance was used during any stage of the hiring process, we reserve the right to immediately disqualify your candidacy or rescind any job offers extended.

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