Sr. Software Engineer, Web Platform

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 were 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 others unique experiences and embrace theflexibility to do your best work. Creating a career you love Its Possible.

At Pinterest AI isnt just a feature its a powerful partner that augments our creativity and amplifies our impact and were looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities well 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.

As a Senior Software Engineer on the Web Platform Team you will drive initiatives that empower developers to build modern world-class web experiences for Pinners with high productivity performance and quality. Were looking for someone who is passionate about front-end has a growth mindset and isnt afraid to voice their opinion on how we can improve. Youll find creative solutions to thought-provoking problems and because we value the kind of courageous thinking required for big bets and smart risks to pay off youll create and drive new initiatives from inception through technical design implementation and release.

What youll do:

• Build the web platform that powers for hundreds of millions of users - and the frameworks and tooling that empower hundreds of engineers to build it.
• Improve foundational web architecture DevEx builds CI/CD and testing capabilities to help developers work more effectively.
• Identify site-wide challenges; propose test and ship solutions.
• Champion and drive large-scale cross-functional initiatives that improve the Web platform.
• Raise web stability scalability performance and accessibility by implementing best-in-class web development standards.
• Supercharge the web development lifecycle with AI agents: accelerating large-scale migrations automating repetitive engineering tasks and building agent-powered workflows that let developers ship faster with higher confidence.
• Mentor team members and participate actively in technical design and code reviews and architectural decisions.

What were looking for:

• 5 years of experience in Web development and a deep understanding of JavaScript CSS DOM HTTP protocol and how the web works.
• Expertise with technologies such as React Redux (or other state management solutions) Relay GraphQL TypeScript Jest and React Testing Library.
• Good knowledge of build tools such as Webpack Rspack or Vite.
• Familiarity with server-side rendering techniques and frameworks such as or Remix.
• Track record of delivering large cross-functional projects across multiple organizations and being a champion of developer experience performance and quality.
• Strong written and verbal communication skills and the ability to collaborate across teams to make platform improvements test functionality and evangelize adoption of platform features.
• Hands-on experience with AI coding agents (eg. Claude Code Cursor Codex) and a point of view on how to harness them for large-scale migrations code generation and developer workflow automation.
• Love for Web and drive to keep up-to-date with new technologies trends and best practices in client architecture.
• Bachelors degree in computer science or equivalent experience.

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 were not always working in an office but we continue to gather for key moments of collaboration and connection.
• This role will need to be in the office for in-person collaboration at least once or twice per quarter/year for onsites.

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