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Junior Computer Science Jobs in Hanover Park, IL

Aplaro Ltd

Junior Trading Systems Engineer

Chicago, IL · On-site

$125 - $150/hr

Hudson River Trading (HRT) is seeking a Junior Trading Systems Engineer to join our growing Trading ... At HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering ...

SDI Presence

Junior Systems Administrator

Chicago, IL · On-site

$60 - $80/hr

Summary The Junior Systems Administrator supports the customer's day-to-day IT operations, ... Computer Science, or a related field preferred * 3-5 years of experience in systems administration ...

SDI Presence

Junior Systems Administrator

Chicago, IL · Hybrid

$46 - $48/hr

Summary The Junior Systems Administrator supports the customer's day-to-day IT operations, ... Computer Science, or a related field preferred * 3-5 years of experience in systems administration ...

SDI Presence

Junior Systems Administrator

Chicago, IL · Hybrid

Summary The Junior Systems Administrator supports the customer's day-to-day IT operations, ... Computer Science, or a related field preferred * 3-5 years of experience in systems administration ...

SDI Presence

Junior Systems Administrator

Chicago, IL · Hybrid

$46 - $48/hr

Summary The Junior Systems Administrator supports the customer's day-to-day IT operations, ... Computer Science, or a related field preferred * 3-5 years of experience in systems administration ...

SDI Presence

Junior Systems Administrator

Chicago, IL · Hybrid

$46 - $48/hr

Summary The Junior Systems Administrator supports the customer's day-to-day IT operations, ... Computer Science, or a related field preferred * 3-5 years of experience in systems administration ...

SDI Presence

Junior Systems Administrator

Chicago, IL · On-site

$46 - $48/hr

Summary The Junior Systems Administrator supports the customer's day-to-day IT operations, ... Computer Science, or a related field preferred * 3-5 years of experience in systems administration ...

SDI Presence

Junior Systems Administrator

Chicago, IL · Hybrid

Summary The Junior Systems Administrator supports the customer's day-to-day IT operations, ... Computer Science, or a related field preferred * 3-5 years of experience in systems administration ...

Halo Group

Junior .Net Developer

Oak Brook, IL

$67K - $87K/yr

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

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 ...

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All JobsComputer Science JobsJunior Computer Science JobsJunior Computer Science Jobs in Hanover Park, IL

Junior Computer Science information

See Hanover Park, IL salary details

$23.7K

$88K

$136K

How much do junior computer science jobs pay per year?

As of Sep 7, 2026, the average yearly pay for junior computer science in Hanover Park, IL is $88,022.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,300.00 and $86,100.00 per year, depending on experience, location, and employer.

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 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 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 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 are the most commonly searched types of Computer Science jobs in Hanover Park, IL?

The most popular types of Computer Science jobs in Hanover Park, IL are:

What cities near Hanover Park, IL are hiring for Junior Computer Science jobs?

Cities near Hanover Park, IL with the most Junior Computer Science job openings:

Junior Computer Science jobs near you
Infographic showing various Junior Computer Science job openings in Hanover Park, IL as of August 2026, with employment types broken down into 57% Full Time, 29% Part Time, and 14% Contract. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $88,022 per year, or $42.3 per hour.

Junior Trading Systems Engineer

Hudson River Trading

Chicago, IL • On-site

Full-time

Re-posted 16 days ago

Job description

Hudson River Trading (HRT) is seeking a Junior Trading Systems Engineer to join our growing Trading Systems Infrastructure team. This team designs, builds, and maintains the infrastructure that powers our global trading, and is responsible for ensuring optimal performance and uptime of the ultra low-latency operating systems, automation software, and development tools that allow our trading strategies to run worldwide 24/7.
As a Junior Trading Systems Engineer, you'll work on projects focusing on our real-time production trading environment and tackle problems that require high availability, high throughput, and ultra low-latency solutions. The ideal candidate possesses a passion for coding and automation, is eager to learn new skills to help build an elegant stack, and has the ability to handle challenging technical issues within a dynamic and fast-paced environment.
Responsibilities
  • Manage worldwide Linux-based trading infrastructure by contributing to the planning and execution of complex technical projects and tasks
  • Troubleshoot hardware and software issues across the stack
  • Plan and implement system installations and upgrades
  • Deploy, configure, and test internal and external applications
  • Improve documentation and reduce technical debt
  • Benchmark the performance of the trading stack, working with subject matter experts across the organization
  • Join an on-call rotation schedule to cover trading hours and weekend shifts, as needed

Qualifications
  • 2+ years of relevant experience managing Linux systems: you can install packages, manage users, control services, and know where to look for system logs, and you understand TCP/IP networking, default gateways, and how to debug connectivity problems
  • Familiarity installing and configuring Linux systems, from hardware and networking to kernel to applications
  • Knowledge of Debian/Ubuntu is desirable
  • Basic familiarity with configuration management tools, particularly SaltStack - some knowledge of Puppet, Ansible, Chef, or CFEngine is also desirable
  • Project Management Skills
  • Proven programming experience: you don't just know what big-O notation is, you've also built working software and can explain and defend your design
  • Basic shell (bash) scripting experience
  • Experience using JIRA
  • Strong cross-functional communication and organization skills
  • Experience with production systems, as well as some cloud experience in AWS or GCP, is desirable but not required

The estimated base salary range for this position is 120,000 to 160,000 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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