Security Software Engineer Project Intern (Product Security) - 2026 Start (BS/MS)

About the Team The team is missioned to build infrastructures, platforms and technologies, as well as to support cross-functional teams to protect our users, products and infrastructures. In this team you ll have a unique opportunity to have first-hand exposure to the strategy of the company in key security initiatives, especially in building scalable and secure-by-design systems and solutions. Our challenges are not your regular day-to-day technical problems; you ll be part of a team that s developing new solutions to new challenges of a kind not previously addressed by big tech. It s working fast, at scale, and we re making a difference.

As a project intern, you will have the opportunity to engage in impactful short-term projects that provide you with a glimpse of professional real-world experience. You will gain practical skills through on-the-job learning in a fast-paced work environment and develop a deeper understanding of your career interests.

Applications will be reviewed on a rolling basis - we encourage you to apply early.

Successful candidates must be able to commit to at least 3 months long internship period.

Responsibilities:

• Participate in security assessments such as pentests on Web or mobile applications.
• Take part in tooling development projects with a security focus, such as code review and API testing. Tools developed will benefit LLM integration.
• Assess the security of MCP servers and LLM features explosed to the public. Minimum Qualifications
• Undergraduate, or Postgraduate who is currently pursuing a degree/master in Computer Science, Computer Engineering, Information Systems or other STEM disciplines
• Security engineering experience such as threat modeling, security mitigation development, security tooling development or privacy engineering.
• Understanding in various disciplines: web application security, mobile app security, network security, operating system internals and hardening, applied cryptography, cloud computing. You re expected to be an expert in at least one of these areas.
• Experience in writing and reviewing code in at least one of the following programming languages: JavaScript (Node JS), Go, Python, Java, C++, Rust.
• Strong problem-solving skills and excellent debugging / troubleshooting skills.

Preferred Qualifications

• Experience with NLP/LLM
• Knowledge of distributed systems, edge computing, or high-performance network programming