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Theoretical Computer Science Internship Jobs in Romeoville, IL

BlackEdge Capital

Quantitative Developer Intern

Chicago, IL · On-site

$19.75 - $26/hr

The first half of your internship will focus on teaching you option pricing theory, market making ... Growing knowledge in a low-level computer science realm: e.g. networking, operating systems ...

Cccis

Data Science Engineer Internship

Chicago, IL · On-site

$20 - $43/hr

Interns work on real pipelines and real datasets serving the auto-insurance industry and internal ... A strong interest in computer science and/or related fields is essential to the success of each ...

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All JobsTheoretical Computer Science JobsTheoretical Computer Science Internship JobsTheoretical Computer Science Internship Jobs in Romeoville, IL

Theoretical Computer Science Internship information

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How much do theoretical computer science internship jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for theoretical computer science internship in Romeoville, IL is $17.64, according to ZipRecruiter salary data. Most workers in this role earn between $14.71 and $19.62 per hour, depending on experience, location, and employer.

What is a theoretical computer science internship?

A Theoretical Computer Science Internship is a temporary position, typically for students or recent graduates, focused on research and problem-solving within the foundational areas of computer science. Interns in this role explore topics such as algorithms, computational complexity, cryptography, and formal methods. They often work on mathematical proofs, theoretical models, or simulations under the guidance of experienced researchers or faculty. The internship provides valuable experience in academic research, logical reasoning, and advanced problem-solving, preparing participants for further study or research-oriented careers.

What types of projects do interns typically work on during a theoretical computer science internship?

During a Theoretical Computer Science Internship, interns often work on projects involving algorithm design, computational complexity, graph theory, or cryptography. These projects may include analyzing and improving existing algorithms, developing proofs of concept, or researching open problems under the guidance of senior researchers. Interns usually collaborate closely with other interns and full-time researchers, participate in regular group meetings, and are encouraged to present their findings. The work is generally research-oriented and may involve reading academic papers, writing reports, and sometimes contributing to publications.

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

To thrive as a Theoretical Computer Science Intern, you need a strong background in mathematics, algorithms, and discrete structures, often supported by coursework in computer science or mathematics. Familiarity with programming languages (such as Python or C++), LaTeX for documentation, and version control systems like Git is typically expected. Analytical thinking, problem-solving, and effective written communication are standout soft skills for this role. These skills are crucial for tackling complex theoretical problems, collaborating on research, and clearly presenting findings in both academic and professional environments.

What is the difference between Theoretical Computer Science Internship vs Data Science Internship?

AspectTheoretical Computer Science InternshipData Science Internship
Required CredentialsTypically requires computer science or related degrees, strong math backgroundRequires statistics, programming, and data analysis skills
Work EnvironmentResearch labs, academic settings, tech companies focusing on algorithms and theoryBusiness, tech companies, analytics firms working on data modeling and insights
Industry UsageAcademic research, R&D departments, tech industryBusiness analytics, marketing, finance, tech industry

Theoretical Computer Science Internships focus on algorithm development, computational theory, and mathematical foundations, often in research or academic settings. Data Science Internships emphasize data analysis, machine learning, and practical application of statistical methods in business or tech environments. While both require strong programming skills, their core focus and industry applications differ significantly.

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Theoretical Computer Science Internship jobs near you
Infographic showing various Theoretical Computer Science Internship job openings in Romeoville, 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, with an average salary of $36,700 per year, or $17.6 per hour.

Quantitative Trader Internship: Summer 2027 - Susquehanna International Group

Susquehanna International Group

Chicago, IL • On-site

Full-time

Posted 29 days ago

Job description

Overview
Susquehanna's trading internship provides a distinctive opportunity to learn about quantitative trading. Splitting their day between working on a trading desk and education in a classroom setting, interns receive the best preparation possible for careers in quant trading. During their time on the trading floor, interns will be fully embedded within a trading desk, working side by side with an experienced trader who will serve as a mentor. While in education, interns will receive industry-leading training in options theory and decision science from traders fully dedicated to trader development. Students with a STEM background can leverage their quantitative skills and learn how Susquehanna uses game theory, decision science, and cutting-edge technology to make trading decisions. The goal of the program is to provide interns with a deep exposure to trading, so they can decide if it is what they want to pursue full-time.
What we're looking for

    • Intention to graduate with a minimum of a bachelors degree and begin full time employment by August 2028
    • Exceptional quantitative, logical reasoning, and analytical skills
    • General computer skills required; computer programming skills a plus
    • Demonstrated interest in strategic games and/or competitive activities
    • Ability to thrive in a fast-paced and competitive environment
    • Visa sponsorship is available for this position

What's in it for you:
    • Our non-hierarchical culture allows employees of every level to thrive and make impact. We are not your typical trading firm - the environment is casual, collaborative and we focus on continuous development.
    • Housing provided for duration of internship
    • Relaxed dress code: jeans and sneakers are the norm, shorts all summer long
    • Food, beverages, and snacks available all day
    • Discounts for dining, entertainment, shopping, travel, and attractions
    • Social events including a poker tournament, dinners, sporting events and other outings in Chicago

About Susquehanna
Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.
If you're a recruiting agency and want to partner with us, please reach out to recruiting@sig.com . Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.

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