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Junior Computer Science Jobs in Illinois (NOW HIRING)

Halo Group

Junior .Net Developer

Oak Brook, IL · On-site

$67K - $87K/yr

Qualifications BS in Information Systems/Computer Science preferred. Additional Information All your information will be kept confidential according to EEO guidelines.

Anson McCade

Junior Quantitative Trader

Chicago, IL · On-site

... Computer Science, Data Science, Engineering, Math, Economics, Finance, Physics, or related field • Exceptional attention to detail • Excellent quantitative and analytical skills • Ability to ...

5 Legal

Technology Transactions Associate

Chicago, IL · On-site

Top 50 AmLaw firm is seeking a junior to mid-level associate to join their Technology Transactions ... An undergraduate or advanced degree or work experience in computer science, electrical engineering ...

Deloitte

Lead AI and Data Science Engineer II

Chicago, IL · On-site

$105K - $139K/yr

Mentor junior and mid-level data scientists across the analytics lifecycle, from problem framing ... Graduate degree in Applied Statistics, Computer Science, Life Sciences, Industrial-Organizational ...

TransUnion

Data Science Platform Developer

Chicago, IL · On-site

Participate in interviewing and evaluation of new talent, mentoring and training of junior ... Master's or PhD degree in statistics, applied mathematics, financial mathematics, computer science ...

US Bank

AI Research Scientist

Chicago, IL · On-site

Share knowledge and provide technical guidance to peers and junior team members. * Take ownership ... Ph.D. in Computer Science, Artificial Intelligence, Machine Learning, Applied Mathematics ...

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All JobsComputer Science JobsJunior Computer Science JobsJunior Computer Science Jobs in Illinois

Junior Computer Science information

See Illinois salary details

$23.3K

$86.2K

$133.2K

How much do junior computer science jobs pay per year?

As of Aug 7, 2026, the average yearly pay for junior computer science 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 are the key skills and qualifications needed to thrive as a junior computer scientist?

To thrive as a Junior Computer Scientist, you need a solid understanding of programming languages (such as Python, Java, or C++), algorithms, and data structures, typically supported by a bachelor’s degree in computer science or a related field. Familiarity with version control systems like Git, basic database management, and exposure to development environments are commonly expected. Strong problem-solving abilities, effective communication, and a willingness to learn are essential soft skills for this role. These skills and qualities enable junior computer scientists to contribute to team projects, adapt to new technologies, and efficiently solve real-world technical problems.

What is the difference between Junior Computer Science vs Junior Software Developer?

AspectJunior Computer ScienceJunior Software Developer
Required CredentialsDegree in Computer Science or related fieldDegree or coding bootcamp certification
Work EnvironmentAcademic, research, or entry-level tech rolesSoftware development teams, tech companies
Industry UsageUniversities, research labs, tech firmsSoftware companies, startups, IT departments
Common Search/ComparisonYesYes

Junior Computer Science roles typically focus on foundational knowledge, research, or academic settings, requiring a degree in computer science. Junior Software Developer positions are more application-oriented, involving coding and software creation within development teams. While both roles are entry-level, they serve different career paths within the tech industry.

What is a junior computer scientist?

A Junior Computer Scientist is an entry-level professional who typically holds a degree in computer science or a related field. They work under the supervision of senior staff to design, develop, test, and maintain software, algorithms, or systems. Their responsibilities may include coding, debugging, conducting research, and assisting with technical documentation. This role is often a starting point for those looking to advance in the field of computer science, offering valuable hands-on experience and opportunities to learn from more experienced colleagues.

What types of projects and responsibilities can a junior computer science professional expect in their first year?

As a Junior Computer Science professional, you can expect to work on a variety of foundational tasks such as debugging code, writing unit tests, and assisting with the development of new features under the supervision of more experienced team members. You may also participate in code reviews, collaborate with cross-functional teams like design and QA, and help maintain documentation. These hands-on experiences are designed to help you build technical skills, understand software development processes, and gradually take on more complex assignments as you gain confidence and expertise.
What are the most commonly searched types of Computer Science jobs in Illinois? The most popular types of Computer Science jobs in Illinois are:
What are popular job titles related to Junior Computer Science jobs in Illinois? For Junior Computer Science jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Junior Computer Science jobs in Illinois look for? The top searched job categories for Junior Computer Science jobs in Illinois are:
What cities in Illinois are hiring for Junior Computer Science jobs? Cities in Illinois with the most Junior Computer Science job openings:
Junior Computer Science jobs near you
Infographic showing various Junior Computer Science job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 3% Contract, and 1% Nights. Highlights an 80% Physical, 1% Hybrid, and 19% Remote job distribution, with an average salary of $86,220 per year, or $41.5 per hour.

Coding for Science Camp 2026

Argonne National Laboratory

Lemont, IL • On-site

Part-time

Posted 11 days ago

Job description

Camp Description
At Argonne's Coding for Science Camp, high school students have a once-in-a-lifetime opportunity to learn how to code from some of the best and brightest computer scientists in the nation. No prior coding experience necessary. In this free, five-day enrichment experience, students learn Python and learn about STEM pathways that use computing. Students may apply during their freshman or sophomore year to attend in the summer before their sophomore or junior year.
Education and Experience Requirements
To start an application, click the Apply button above and choose "apply manually". Create an account with your email to get started. Then, fill in the information for yourself.
Eligibility note: To support local participation, this camp is intended for students who live and/or attend school in the Chicagoland area.
Internship Category
Coding for Science Student

Apply