Sr. Software Engineer

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . Sr. Fullstack Software Engineer Pinterest’s Security Privacy team is seeking a Sr. Fullstack Software Engineer to help architect and implement solutions that protect millions of users by building secure systems across backend and client platforms. You’ll focus on designing and delivering privacy-first infrastructure and services that ensure compliance, scalability, and trust, with upcoming opportunities to collaborate on mobile privacy initiatives that extend these protections to our mobile apps . The ideal candidate brings strong software development experience, expertise in privacy regulations, and the ability to mentor and lead cross-functional initiatives. While mobile development experience is not required, familiarity with or interest in mobile security will be a strong advantage as we continue to expand our privacy focus across all surfaces. What you’ll do: Design and implement scalable solutions that ensure privacy compliance and protect sensitive user data, including data handling and deletion processes. Write, review, and maintain code that is well-documented, thoroughly tested, and compliant with security and privacy standards. Monitor, identify, and address potential privacy vulnerabilities, leading root cause analysis and applying lessons learned to strengthen systems. Work closely with compliance teams, engineers, and stakeholders to align on goals, define success metrics, and implement best practices for security and privacy. Implement privacy and security frameworks to Pinterest’s mobile surfaces. Drive efforts to resolve and prevent privacy-related incidents, ensuring effective remediation and long-term prevention strategies. Conduct training sessions, mentor team members, and champion a culture of privacy and security across Pinterest. Thoughtfully leverage AI tools to speed up design, coding, debugging, and documentation, while applying your own critical thinking to validate outputs and explain how you used AI in your workflow. Shape our AI-assisted engineering practices by sharing patterns, guardrails, and learnings with the team so we can safely increase our impact without compromising code quality, reliability, or candidate expectations. What we’re looking for: 5+ years of experience in software engineering, with increasing responsibility. 1+ years of hands-on experience in privacy and security engineering, or equivalent experience tackling privacy-related challenges. Proficiency in a dynamic programming language (e.g., Python, Java, Kotlin, or Swift), with an ability to write clean, maintainable, and secure code. 2+ years of Fullstack experience Experience tackling technical challenges, with a focus on learning from and adapting to new and ambiguous environments. Familiarity with privacy frameworks and ability to integrate privacy requirements into system design ... (truncated, view full listing at source)