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Computer Science Internship Jobs in Belleville, IL

AMS Ameren Services

Digital Co-op

Saint Louis, MO · Hybrid

$21 - $30/hr

Within our Digital department, we host dozens of interns and co-ops annually. Our collegiate co ... Currently pursuing a Bachelors or Master's degree in Computer Science, Computer Engineering ...

Ameren Services

Digital Co-op

Saint Louis, MO · On-site

$21 - $30/hr

Within our Digital department, we host dozens of interns and co-ops annually. Our collegiate co ... Currently pursuing a Bachelors or Master's degree in Computer Science, Computer Engineering ...

Ameren Services

Digital Co-op

Saint Louis, MO · Hybrid

$21 - $30/hr

Within our Digital department, we host dozens of interns and co-ops annually. Our collegiate co ... Currently pursuing a Bachelors or Master's degree in Computer Science, Computer Engineering ...

Safe Fleet

Firmware Engineer Intern

Saint Louis, MO · On-site

This is not a summer-only internship or a remote role.*** The Firmware Engineer Intern is primarily ... In the process of acquiring a Bachelor of Science in Computer Engineering, Electrical Engineering ...

Safe Fleet

Firmware Engineer Intern

Saint Louis, MO · On-site

This is not a summer-only internship or a remote role.*** The Firmware Engineer Intern is primarily ... In the process of acquiring a Bachelor of Science in Computer Engineering, Electrical Engineering ...

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All JobsComputer Science JobsComputer Science Internship JobsComputer Science Internship Jobs in Belleville, IL

Computer Science Internship information

What do you do as a computer science intern?

A computer science intern typically assists with software development, coding, testing, and debugging projects. They may work with programming languages like Python, Java, or C++, and often collaborate with teams to gain practical experience in software engineering and problem-solving. Internships usually involve learning industry tools and following project deadlines under supervision.

What is the difference between Computer Science Internship vs Software Developer Intern?

AspectComputer Science InternshipSoftware Developer Intern
Required CredentialsTypically pursuing or recent graduate in CS or related fieldSame as CS internship, often students or recent grads
Work EnvironmentVaries across tech companies, research labs, startupsPrimarily software development teams in tech firms
Employer & Industry UsageUsed across academia, industry, research projectsPrimarily in software development companies and tech industry
Common Search & Comparison IntentUnderstanding internship opportunities in CSComparing software development internship roles

Both Computer Science Internships and Software Developer Internships target students or recent graduates interested in tech. While CS internships may include research, data analysis, or broader technical roles, Software Developer Internships focus specifically on coding and software creation. The choice depends on your career goals and the specific skills you want to develop.

Which computer science internship is best for a computer science student?

The best computer science internship for a student depends on their interests and career goals, but generally, internships at reputable tech companies or startups that offer hands-on experience with programming, software development, or data analysis are valuable. Look for opportunities that provide mentorship, skill development, and exposure to real-world projects, often requiring proficiency in languages like Python, Java, or C++ and familiarity with tools such as Git or cloud platforms.

What are the key skills and qualifications needed to thrive as a computer science intern, and why are they important?

To thrive as a Computer Science Intern, you generally need foundational knowledge in programming, algorithms, and data structures, often supported by progress toward a computer science degree. Familiarity with coding languages such as Python, Java, or C++, as well as experience using version control systems like Git, is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help interns stand out in collaborative environments. These skills and qualities are essential because they enable interns to contribute meaningfully to projects, adapt to new technologies, and work efficiently within a development team.

What internships should I apply for in computer science?

Computer science internships are available in software development, data analysis, cybersecurity, and machine learning. Applicants should focus on roles that match their skills, gain experience with programming languages like Python or Java, and consider certifications or projects that demonstrate their abilities. Internships at tech companies, startups, or research labs provide valuable industry experience and networking opportunities.

What types of projects does a computer science intern typically work on, and how much autonomy can I expect?

Computer Science interns often contribute to real-world projects such as developing new software features, debugging code, automating processes, or supporting infrastructure. While the level of autonomy varies by company, interns are generally given meaningful tasks and encouraged to collaborate with senior engineers and cross-functional teams. You'll likely participate in code reviews, agile sprints, and team meetings, gaining hands-on experience and feedback. Many organizations assign mentors to guide interns, helping them balance independence with structured learning and support.

What are internship opportunities in computer science?

An internship in computer science provides on-the-job training for students who study computer science. Your duties in this program depend on the focus on the internship. Some interns get experiencing coding and developing software, applications, or website user interfaces. As an intern, you work under the direction of programming and development professionals. Your responsibilities include writing lines of code, testing and debugging software, learning computer languages in a realistic setting, and functioning as part of a team. Other computer science internships focus on providing technical support, cybersecurity services, or administration services as part of an IT team.

What is a computer science internship?

A computer science internship is a temporary position that allows students or recent graduates to gain practical experience in the field of computer science. Interns typically work on real-world projects, assisting with programming, software development, data analysis, or IT support under the supervision of experienced professionals. These internships provide valuable hands-on skills, networking opportunities, and insight into potential career paths within technology industries.
More about Computer Science Internship jobs

What are the most commonly searched types of Computer Science jobs in Belleville, IL?

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

What are popular job titles related to Computer Science Internship jobs in Belleville, IL?

For Computer Science Internship jobs in Belleville, IL, the most frequently searched job titles are:

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The top searched job categories for Computer Science Internship jobs in Belleville, IL are:

What cities near Belleville, IL are hiring for Computer Science Internship jobs?

Cities near Belleville, IL with the most Computer Science Internship job openings:

Computer Science Internship jobs near you
Infographic showing various Computer Science Internship job openings in Belleville, IL 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.

Digital Co-op

AMS Ameren Services

Saint Louis, MO • Hybrid

$21 - $30/hr

Full-time

Posted 6 days ago

Job description

Ameren is a leader in the energy industry, and our transformation toward more clean, renewable energy is also transforming other industries and infrastructure in our communities. As a regional company serving local customers, we not only serve our communities, we're a part of them. This isn't just a job. At Ameren, we invest in you, so you can power the quality of life you want.

Visit our Benefits & Perks Page for more information on benefits provided to regular, full-time employees.

Job Description

The Digital department is part of Ameren Services and provides support to Ameren Corporation and its operating companies, subsidiaries and affiliates. Thousands of co-workers serve the company with business planning, communications, diversity, financial support, human resources, digital/information technology, legal counsel, safety and supply services skillsets.

Within our Digital department, we host dozens of interns and co-ops annually. Our collegiate co-workers will participate in meaningful work activities related to analysis, assessment, design, collaboration and more! Coaching and feedback are a key part of your co-op experience. You will have the opportunity to work with talented, experienced digital staff while completing your work assignments.

Available Opportunities:

  • January - August 2027 Spring Co-op

  • May - December 2027 Fall Co-op

Qualifications:

  • Currently pursuing a Bachelors or Master's degree in Computer Science, Computer Engineering, Management Information Systems, Engineering or equivalent business or computer-related field

  • Minimum of a 2.5 GPA

In addition to the above qualifications, a successful candidate will:

  • Have a process-improvement and problem-solving mindset

  • Be able to work collaboratively, take initiative, work independently and meet deadlines

  • Gather requirements from leaders, stakeholders and other parties to deliver on initiatives

Co-ops will gain exposure to the following technologies:

  • Programming & scripting languages (e.g. .NET, SQL, COBOL, Java, C#, typescript, Java script, HTML, CSS, MVC, Angular, PowerShell and more)

  • REST API design and coding

  • Relational Database Management: Oracle, SQL Server

  • AWS Cloud Products

  • Tools: Visual Studio, VS Code, Eclipse, Jira, Confluence, GitHub, Splunk, SQL Server Reporting Services (SSRS)

  • Process: Agile, Scrum, Kanban

Location:

This position is based out of the Ameren Headquarters in downtown St. Louis, Missouri. The work arrangement is hybrid.

Compensation:

We take into consideration a variety of factors including, but not limited to, skills, abilities, experience, education, credentials, and internal equity when determining the salary offered.

$21.00 - $30.00If end date is listed, the posting will come down at 12:00 am on that date:Monday December 21, 2026

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, ethnicity, age, disability, genetic information, military service or status, pregnancy, marital status, sexual orientation, gender identity or expression, or any other class, trait, or status protected by law.

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