Jobs › CME Group

Software Engineering Internship - Summer 2027

CME Group · Chicago, IL · Full time

Posted Sep 21, 2026 · We last checked this listing on Oct 4, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a software project you're proud of. What was the hardest part?

What they are checking: Whether they can explain real technical work and the problems they solved.

Tell me about a time you were stuck on a bug for a long time. How did you get unstuck?

What they are checking: Persistence and knowing when to ask for help.

Tell me about a time you worked on a team project with a tight deadline.

What they are checking: Whether they communicate and share work fairly with teammates when time is short.

What do you want to learn from this internship?

What they are checking: Whether they have clear goals and genuine interest in financial technology.

What would you do

You're given a task in a codebase you've never seen. What do you do first?

What they are checking: Whether they read code, ask questions and learn before changing things.

About the work

How would you find out why a program is running slower than expected?

What they are checking: Basic debugging and profiling instincts that matter for low-latency systems.

What's the difference between a list and a hash map, and when would you use each?

What they are checking: Core data structure knowledge used in every coding interview and job.

Why do you think speed and reliability matter so much for an electronic trading platform?

What they are checking: Whether they understand the stakes of the systems CME Group runs.

How would you design a simple service that tracks the latest price for many products?

What they are checking: Basic system design thinking about data, updates and reads.

Have you used cloud tools or built anything with AI agents? What did you learn?

What they are checking: Exposure to the cloud and AI work that past interns have done here.

Practice this interview out loud.

Offer builds a real interview for this exact role at CME Group from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.

Practice this out loud

The full job description

As published by CME Group.

We are looking for motivated and talented students who want to help us solve some of the most complex challenges in financial technology. Technology teams at CME Group write and maintain ultra low-latency electronic trading platforms, risk management systems, and front-end trading interfaces, all of which are central to CME Group’s business. We are focused on designing, building, and deploying customer-focused solutions with passion and precision. CME Group Technology interns will gain unparalleled exposure to electronic trading and financial technology. Interns will have the opportunity to work on a variety of applications and projects that directly impact the global trading ecosystem. In the past, our interns have worked on building cloud infrastructure, enhancing market architecture, designing AI agents, and taking ownership of new applications that can change the trading lifecycle. Interns are likely to work in the areas of back-end or full-stack development, cloud computing, application resiliency, and automation. CME Group’s Technology Internship Program offers students opportunities to learn more about our enterprise, our role in the financial industry, and the types of technology that keep our markets running. Students will develop their technical skills and expand their network with access to industry experts, while working alongside other talented and ambitious students with a passion for FinTech. Interns can participate in several core roles, including: • Application Development • Cloud Infrastructure & Migration • Data Analytics • DevOps & CI/CD • Research & Proof of Concept • System Design These summer internships are paid, full-time roles that typically last 10-12 weeks. They are hybrid roles, typically based out of our Chicago office. The summer program includes numerous opportunities to network with peers from across the country during a summer full of experiences such as excursions to enjoy Chicago traditions, trading and coding challenges with prizes, lunch and learn speaker series, and other opportunities for professional development. Minimum qualifications: • Currently pursuing an undergraduate or graduate degree in computer science or a related field • Proficiency in Java and/or Python • Passionate about problem-solving and continuous learning • Strong communication skills • Detail-oriented ​ Bonus qualifications: • Previous technical experience • Strong knowledge of cloud computing services, specifically GCP • Experience with Docker/Kubernetes, Git, IDEs/IntelliJ, Linux/UNIX, Maven, REST APIs, SQL, unit testing Qualified candidates will be invited to complete a coding pre-assessment. If selected to advance, candidates may be invited to virtual coding, design, and behavioral interviews. Sponsorship Qualifications: Please note that our company is unable to provide employment sponsorship for this position and can only consider candidates who are legally authorized to work in the United States without sponsorship assistance (CPT, H1B, F1, L, etc.). #EarlyCareers CME Group is committed to offering a competitive pay package for our employee interns. The pay range typically applicable to our intern roles is $21.68--$36.10. Actual pay offered will be dependent on a wide array of factors including but not limited to: relevant experience, skills, education, location of the internship, and the internship area of focus. Through our benefits program, we offer our employee interns the opportunity to participate in select offerings. This includes our comprehensive health coverage and a mental health benefit. CME Group: Where Futures are Made CME Group is the world’s leading derivatives marketplace. But who we are goes deeper than that. Here, you can impact markets worldwide. Transform industries. And build a career by shaping tomorrow. We invest in your success and you own it – all while working alongside a team of leading experts who inspire you in ways big and small. Problem solvers, difference makers, trailblazers. Those are our people. And we’re looking for more. At CME Group, we embrace our employees' unique experiences and skills to ensure that everyone’s perspectives are acknowledged and valued. As an equal-opportunity employer, we consider all potential employees without regard to any protected characteristic. Important Notice: Recruitment fraud is on the rise, with scammers using misleading promises of job offers and interviews to solicit money and personal information from job seekers. CME Group adheres to established procedures designed to maintain trust, confidence and security throughout our recruitment process. Learn more here .

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