Software Engineering Intern (Cash)

PEAK6 is a leading investment firm focused on leveraging technology to enhance financial services. The Software Engineering Intern will assist in developing and maintaining cash management applications, collaborating with the engineering team to design features and troubleshoot software defects. Responsibilities Assist in the development, testing, and maintenance of cash management applications including ACH transfers, wire processing, and cash journal systems Collaborate with the Cash engineering team to design new features for money movement platforms and cash settlement workflows Participate in code reviews and provide constructive feedback to peers working on financial services infrastructure Help troubleshoot, debug, and resolve software defects in cash transfer systems and payment processing pipelines Contribute to documentation of cash management processes, API specifications, and system architecture Work with modern technologies including Java and Python in a Bazel-managed monorepo environment Assist with testing and validation of financial transactions to ensure accuracy and compliance Stay updated with emerging technologies and industry best practices in fintech and payment systems Skills Currently pursuing or recently completed a degree in Computer Science, Software Engineering, or a related STEM field Senior standing, May 2026 graduate Strong analytical and problem-solving skills Strong programming fundamentals in one or more languages (Go, Java, Python preferred) Interest in financial technology and payment systems Detail-oriented approach suitable for working with financial data Collaborative mindset and eagerness to learn in a fast-paced environment Have a real passion for software engineering, as demonstrated by previous internships, work experience, projects, or publications Either previous knowledge in financial markets or a strong interest in learning Benefits Healthcare benefits (medical, dental and vision, EAP) Competitive PTO 401k match Parental leave HSA contribution match Paid subscription to the Calm app Generous external learning and tuition reimbursement benefits Ability to work remotely up to two days a week Company Overview We're In The Business Of What Ought To Be The business of doing, creating, and building the world the way we see fit. It was founded in 1997, and is headquartered in Chicago, Illinois, USA, with a workforce of 1001-5000 employees. Its website is Company H1B Sponsorship PEAK6 has a track record of offering H1B sponsorships, with 2 in 2023. Please note that this does not guarantee sponsorship for this specific role.