Product Security Engineering Intern

We are seeking a Product Security Engineering Intern to join our team. This role will support the processes and technologies used to secure our products and systems while gaining hands-on experience in a fast-paced FinTech environment. We work Flexible First. This role can be performed remotely anywhere within the United States or from our Oakland office. We’d love for you to join us! This will be a 12 week internship program, beginning on June 1st and running through August 21st, 2026. This position is not for an existing vacancy. The Impact You’ll Have Assist with security design reviews and threat modeling under the guidance of senior engineers Help build and maintain automated security testing tools integrated into CI/CD pipelines Support the creation of security education and training materials for engineering teams Research and document secure architecture patterns and best practices Assist in proof of concept evaluations for application security solutions Contribute to the day-to-day operations of the Product Security Team Who You Are Currently pursuing or recently completed a degree in Computer Science, Cybersecurity, or a related field Foundational understanding of software development and common security concepts (e.g., OWASP Top 10) Familiarity with at least one programming language (e.g., Python, Java, Go, or JavaScript) and at least one cloud platform, such as AWS Curiosity and eagerness to learn about application security, cloud infrastructure, and CI/CD workflows Strong communication skills and a collaborative mindset Nice-To-Haves Cybersecurity or Cloud Computing Certifications Open source software contributions Involvement in Capture the Flag or other cybersecurity competitions or events Examples of practical applications of skills in the areas of AppSec, DevSecOps, or Offensive Security Typical Process Application Submission Recruiter Video Call Hiring Manager Video Call Final Round consisting of 1-2, 45-60 min calls Offer! Compensation and Benefits Marqeta is a Flex First company which allows you to choose your best working environment, whether that be from home or at a company office. To support Flex First, we calibrate pay to a competitive value according to working location. Compensation is aligned according to three tiers within the United States: National: A baseline tier that applies to most of the geographic territory of the United States. Premium: Slightly elevated from the National tier, and oriented toward a narrower set of higher cost-of-living areas, such as Los Angeles CA and Seattle WA Premium Plus: A tier for the most expensive working areas, like the San Francisco Bay area and New York City. Visit this page or consult with a Recruiter to determine which tier would be applicable to you. When determining pay, we consider several factors including, but not limited to, skills, prior experience, and work location. The 2026 Internship hourly rate is: National: $45/hr Premium: $49/hr Premium Plus: $53/hr Along with monetary compensation, Marqeta offers For Interns: Paid Holidays A Remote, Flex First Environment A Mentor and Intern Buddy Real Life Projects For Full Time Employees: Multiple health insurance options Flexible time off – take what you need Retirement savings program with company contribution and after tax contributions Equity in a publicly-traded company and an Employee Stock Purchase Program Family-forming benefits, fertility support, and up to 20 weeks of Parental Leave Free therapy sessions, financial and professional coaching, and legal advice Monthly stipend to support our remote work model Annual “development dollars” to support our people growth and development Through Flex First, the freedom to live and work wherever you and your family thrive