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Software Engineering Intern (Securities Lending)

APEX Fintech Services LLC
Chicago, IL Intern
POSTED ON 11/18/2025
AVAILABLE BEFORE 1/18/2026
WHO WE ARE We are PEAK6, a leading investment firm, using technology to find a better way of doing things. The company’s first tech-based solution was developed in 1997 to optimize options trading, and over the past two decades, the same formula has been used across a range of industries, asset classes, and business stages to consistently deliver superior results. Today, PEAK6 seeks transformational opportunities to provide capital and strategic support to entrepreneurs and forward-thinking businesses. PEAK6’s core brands include PEAK6 Capital Management, PEAK6 Strategic Capital, Apex Fintech Solutions, FOCUS, We Insure, Evil Geniuses, Poker Power, Zogo, and Bruce Markets. ABOUT THIS ROLE Apex Fintech Solutions is looking for a Software Engineering Intern with unbounded potential for a development team on the front lines of Apex's high-volume, high-availability trade clearing suite. We partner with some of the industry's hottest next-generation stock trading products. You'll be at the center of rapidly scaling services that will test your limits. Apex engineering teams are charged with building the services our clients love and are at the heart of our future product innovations. Apex has begun its transformation from on-premise infrastructure to the Cloud (GCP & AWS), and our team is responsible for transforming our products into the next generation clearing platform that will lead our industry for years to come. We are in need of smart, developers to build out our cloud-native (GCP/AWS), event-driven (Apache Kafka), Microservices framework. Have you been waiting on the opportunity to gain hands-on experience in the fintech industry? Now's your chance. What you will do: Assist in the development, testing, and maintenance of software applications. Collaborate with the software engineering team to design new features and functionalities. Participate in code reviews and provide constructive feedback to peers. Help in troubleshooting, debugging, and resolving software defects and issues. Contribute to the documentation of software development processes and codebases. Stay updated with emerging technologies and industry best practices in software engineering. What you can expect: A highly collaborative environment where everyone is focused on outcomes that build momentum for Apex to reach its goals. A culture that values a test-centric approach to software development where 100% unit test coverage is the expectation. End-to-end ownership of what you deploy. From documentation to service-level objectives, your team is ultimately responsible for the health of your products. Contribute to and benefit from a culture of continuous learning. Access to mentors, generous policies regarding attending industry conferences and book reimbursement, regular lunch and learns. Quarterly 2-day hackathons. An environment committed to using the right tool to get the job done. Work that matters. The skills you'll need to succeed: Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related STEM field. Rising Senior standing, latest June 2027 graduate Strong analytical and problem-solving skills. Familiarity with programming languages such as Golang (preferred), Java or Python. Understanding of software development methodologies, including Agile and Scrum. Excellent verbal and written communication skills. Willingness to learn and adapt in a fast-paced environment. General interest in Fintech. Preferred skills: Have a real passion for software engineering, as demonstrated by previous internships, work experience, projects, or publications Familiarity with programming languages such as Golang Either previous knowledge in financial markets or a strong interest in learning Work Environment: This internship operates in a 4-day-a-week in-office environment. This internship operates on a hybrid schedule in Chicago, IL #enginering #intern #LI-DNI OUR REWARDS We offer a robust package of employee perks and benefits, including healthcare benefits (medical, dental and vision, EAP), competitive PTO, 401k match, parental leave, and HSA contribution match. We also provide our employees with a paid subscription to the Calm app and offer generous external learning and tuition reimbursement benefits. As a hybrid workforce, we offer our employees the ability to work remotely up to two days a week. PEAK6 is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, veteran status, marital status, or any other protected characteristic. Our hiring practices ensure that all qualified applicants receive fair consideration without regard to these characteristics. PEAK6 is committed to creating an inclusive and accessible workplace for all candidates, including those with disabilities. We are dedicated to ensuring equal employment opportunities and providing reasonable accommodations to qualified individuals with disabilities. If you require reasonable accommodations to participate in the application or interview process, please contact our HR department at hrpeak6@peak6.com. We will work with you to provide the necessary accommodations to ensure your full participation in our hiring process. #PEAK6 We're In The Business Of What Ought To Be The business of doing, creating, and building the world the way we see fit. We seek out the transformational opportunity, making it better, more useful, more valuable. At PEAK6, we activate what is into what ought to be through world-class technology, operational excellence and purposeful design. Headquartered in the Chicago Board of Trade Building, PEAK6 is not your typical investment firm. While trading got us our start and still powers our center, we quickly realized that our vision was to embrace and empower today’s consumer through technology, simplifying processes, improving performance and creating new wealth.

Hourly Wage Estimation for Software Engineering Intern (Securities Lending) in Chicago, IL
$39.00 to $48.00
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