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Junior Computer Science Jobs in Illinois (NOW HIRING)

Eagle Seven

Junior FPGA Engineer

Chicago, IL · On-site

Eagle Seven is seeking a Junior FPGA Design / Verification Engineer to become an integral member of ... Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science or other ...

Eagle Seven

Junior FPGA Engineer

Chicago, IL · On-site

Eagle Seven is seeking a Junior FPGA Design / Verification Engineer to become an integral member of ... Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science or other ...

Eagle Seven

Junior FPGA Engineer

Chicago, IL · On-site

Eagle Seven is seeking a Junior FPGA Design / Verification Engineer to become an integral member of ... Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science or other ...

MSF&W Consulting

Junior Software Developer

Springfield, IL · Hybrid

$70K - $85K/yr

We are seeking Junior Software Developers to join our team in Springfield, Illinois. MSF&W offers ... Required Qualifications Bachelor's Degree in Computer Science, MIS or related field. Experience as ...

The University of Chicago

Junior Security Analyst

Chicago, IL · On-site

$24.04 - $31.25/hr

... Junior Security Analyst who is passionate about information security. In this hands-on, entry-level ... Associate or bachelor's degree in progress within cybersecurity, computer science, or a related ...

AAR Corporation

Jr. Web Developer

Wood Dale, IL

$75K - $80K/yr

The Junior Web Developer supports the design, development, maintenance, and enhancement of web ... Bachelor's degree in Computer Science, IT, or related field (or equivalent experience) * 0-3 years ...

AAR Corporation

Jr. Web Developer

Wood Dale, IL

$75K - $80K/yr

The Junior Web Developer supports the design, development, maintenance, and enhancement of web ... Bachelor's degree in Computer Science, IT, or related field (or equivalent experience) * 0-3 years ...

AAR

Jr. Web Developer

Wood Dale, IL · On-site

$75K - $80K/yr

Description The Junior Web Developer supports the design, development, maintenance, and enhancement ... Bachelor's degree in Computer Science, IT, or related field (or equivalent experience) * 0-3 years ...

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Showing results 21-40

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 10, 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.

Junior Quantitative Trader (Asian Market Hours)

Old Mission

Chicago, IL • On-site

$125K - $150K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 22 days ago

Job description

Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement.
Old Mission does not seek capital from outside investors, allowing us the flexibility to aggressively invest in our team members and keep them engaged in the firm's growth.
About The Position
Old Mission Capital, a quantitative proprietary trading firm, is currently recruiting a Junior Quantitative Trader (Asian Market hours) to join our Chicago office. Our traders work in teams to seek out and profitably trade mispriced securities. The junior trader needs to be driven and have a passion for understanding how things work. The job responsibilities will include disciplined decision making, risk management, derivative pricing, and researching new opportunities for profitable businesses. Passion for trading is critical! Besides meeting the qualifications the most successful candidates will have a strong desire to understand how things work. You should have a deep interest in the financial markets and want to join a collaborative team. We value each other's ideas and have the mindset to continuously improve and build towards the future.
Responsibilities
  • Monitor systems and manage all trading activity between Sunday - Thursday from 4:00 pm - 3:00 am CST.
  • Oversee and manage the trade execution and risk of complex trading portfolios across the firm.
  • Implement trading strategies that leverage technology to efficiently execute trades at minimum transactional costs.
  • Research potential trading opportunities.

Required Skills
  • A degree in a quantitative field such as computer science, engineering, or one of the hard sciences.
  • Proficiency with at least one of the following languages: Python, C++, JAVA, VBA, R, Matlab or Ruby
  • 2+ years of relevant trading experience.
  • Experienced with automated trading systems.
  • Proven trustworthiness and performance under the highest ethical standards.
  • Great attention to detail.
  • Ability to solve problems in a high-pressure environment.
  • Superior written and verbal communication skills.
  • Must be self-motivated, dependable, responsible and results driven.
  • Maintain integrity at all times.
  • A desire to work Asian market hours. Work hours will include US holidays if the international markets are open.
  • A strong work ethic and ability to adapt quickly in a fast-paced environment.

Benefits and Perks
  • Fully paid Medical, Dental, Vision, Disability, and Life Insurance
  • Fully stocked kitchen; free breakfast and lunch every day on-site
  • Tuition Reimbursement Program
  • 401(k) with employer match
  • Paid Vacation, Sick, and Parental leaves
  • Commuter and Flexible Spending Programs

Base Salary Range
$125,000 - $150,000 - Salaries are based on numerous factors such as skills, experience, and education. Our compensation package also includes a discretionary bonus and a comprehensive benefits program for full-time employees. For more information, reach out to your recruiter.
Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

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