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Social Media, Internet, E-commerce, Advertising

Sr. Software Engineer, Web Platform

Toronto, Ontario, CanadaRemoteFull TimeSeniorPosted 1 month ago

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Role summary

We are seeking a Senior Software Engineer for our Web Platform Team to drive initiatives that enhance developer productivity, performance, and quality in building modern web experiences for Pinners. You will be responsible for building the core web platform powering Pinterest.com, improving architecture, DevEx, builds, CI/CD, and testing capabilities. The role involves identifying and solving site-wide challenges, championing large-scale cross-functional projects, and improving web stability, scalability, performance, and accessibility. Experience with AI coding agents for migrations and workflow automation is preferred. This role requires 5+ years of web development experience with deep understanding of JavaScript, CSS, DOM, HTTP, and expertise in technologies like React, Redux, GraphQL, TypeScript, and build tools such as Webpack or Vite. Familiarity with Node.js, SSR, and frameworks like Next.js is also desired.

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.

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. We're looking for someone who is passionate about front-end, has a growth mindset, and isn't afraid to voice their opinion on how we can improve. You'll 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, you'll create and drive new initiatives from inception through technical design, implementation, and release.

What you’ll do:

  • Build the web platform that powers Pinterest.com 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 we're 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 Node.js, server-side rendering techniques, and frameworks such as Next.js 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.
  • Bachelor’s degree in computer science or equivalent experience.This job posting is for an open vacancy. Please note that the company utilizes artificial intelligence to screen applicants for the positions.

    • 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 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.

    • #LI-REMOTE#LI-DG2

    Our Commitment to Inclusion:

    Pinterest is an equal opportunity employer and makes employment decisions on the basis of merit. We want to have the best qualified people in every job. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, religion or religious creed, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, age, marital status, status as a protected veteran, physical or mental disability, medical condition, genetic information or characteristics (or those of a family member) or any other consideration made unlawful by applicable federal, state or local laws. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. If you require a medical or religious accommodation during the job application process, please complete this form for support.

    Sample Pinterest interview questions

    • 1

      Design a typeahead box for a search engine

      system designmedium
    • 2

      Design a rate limiter

      system designmedium
    • 3

      Design a product recommendation system

      system designmedium
    • 4

      Design a system for detecting fraudulent transactions at Pinterest

      system designmedium
    • 5

      Design a system for managing Pinterest's newsfeed.

      system designmedium

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