Senior Software Engineer, Fullstack

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 . We are looking for inquisitive, well-rounded Sr. Full Stack Software Engineers. Working closely with product managers, designers, and backend engineers, you’ll play an important role in enabling the newest technologies and experiences. You will build robust frameworks features. You will empower both developers and Pinners alike. You’ll have the opportunity to find creative solutions to thought-provoking problems. Even better, because we covet the kind of courageous thinking that’s required in order for big bets and smart risks to pay off, you’ll be invited to create and drive new initiatives, seeing them from inception through to technical design, implementation, and release. What you’ll do: Support millions of users and enable colleagues by ensuring excellence in core pieces that are shared throughout the application Identify site-wide challenges; propose, test, and ship solutions Drive changes that improve the entire site such as improving accessibility, network frameworks and browser support strategy Enable developers to work more effectively by improving architecture, testing capabilities and release cycles Solve hard-to-see user pain points that often affect every page such as performance, monitoring errors and solving user metric anomalies Grow as a developer by working with world-class peers on varied and high impact projects Leverage AI to seek faster execution (i.e. draft, prototype, outline) and explore alternative options (i.e. iterate, compare approaches) Leverage AI to synthesize information (summarize, distill themes) and automate repeatable tasks (documentation, reporting, QA checks) What we’re looking for: 5+ years of experience building large-scale full-stack products Bachelor’s degree in a relevant field such as Computer Science, or equivalent experience Deep understanding of web development and best practices in React/Redux Strong experience with programming languages Javascript and Python/Java Strong technical skills, and a willingness to learn new technologies Strong software engineering principles and practices Strong collaboration and communication skills Demonstrated ability to use AI to improve speed and quality in your day-to-day workflow for relevant outputs. Strong track record of critical evaluation and verification of AI-assisted work (e.g., testing, source-checking, data validation, peer review). High integrity and ownership: you protect sensitive data, avoid over-reliance on AI, and remain accountable for final decisions and deliverables. Relocation Statement: This position is not eligible for relocation assistance. Visit our PinFlex page to learn more about our working model. In-Office Requirement Statement: We let the type of work you do guide the collaboration style. That means we're not always working in an office, but we continue to gather fo ... (truncated, view full listing at source)