Sr. Software Engineer, Web

Pinterest is a platform that helps people discover creative ideas, envision possibilities, and plan meaningful experiences. The company is seeking a Senior Web Software Engineer to build and scale user-facing Desktop and Mobile Web features, own projects end to end, collaborate cross-functionally, and drive reliable, innovative experiences for millions of users.

Responsibilities:

• Create and launch powerful, user-facing features for Desktop and Mobile Web that help spark creativity and inspire our global community
• Contribute through every stage—from rapid prototyping and A/B testing to architecting, building, and scaling solutions that reach millions
• Partner closely across design, product, and backend to deliver seamless, end-to-end functionality
• Advocate for Pinners by suggesting new ideas and features, and use your product sense to shape what’s next
• Employ automated testing and best practices to deliver reliable, maintainable code—taking full ownership of your work
• Share your expertise through mentoring teammates, leading code reviews, and contributing to technical decision-making
• Use AI for rapid prototyping, information synthesis, documentation, and more—always validating results to drive speed, quality, and innovation

Requirements:

• Deep understanding of Web development and best practices in React/Redux
• 5+ years of industry Web application development experience, building consumer or business facing products
• Experience in following best practices in writing reliable and maintainable code that may be used by many other engineers
• Ability to keep up-to-date with new technologies to understand what should be incorporated
• Strong collaboration and communication skills
• Bachelor's degree in a relevant field such as Computer Science, or equivalent experience
• 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
• This position is not eligible for relocation assistance
• This role requires occasional onsite collaboration (1-2 times per quarter), so you can be located anywhere in the US
• US based applicants only