New 
Senior Software Engineer - Frontend Platform & Commerce Services
 Microsoft | |
 United States, Washington, Redmond | |
 Oct 17, 2025 | |
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OverviewWe are seeking a Senior Software Engineer - Frontend Platform & Commerce Experiences to design and build the next generation of reusable, high-performance web components that power Microsoft's commerce experiences - including pricing, cart, checkout, and payments. This role is for a frontend-focused engineer with experience in modern web frameworks, accessibility, and design systems. You will help define and evolve Microsoft's commerce UI architecture while ensuring secure, high-quality, and scalable user experiences in close collaboration with design, product, and engineering partners.As a hands-on engineer, you will modernize and scale web experiences across multiple properties, drive adoption of web components from our Reimagine design system, and extend that library to power dynamic, enterprise-grade shopping and checkout flows. Beyond hands-on development, you'll influence architecture, improve developer efficiency through shared tooling and governance, and ensure quality at scale by reviewing pull requests and mentoring vendor engineering teams. Microsoft's mission is to empower every person and every organization on the planet to achieve more. We value respect, integrity, and accountability and foster a culture of inclusion where everyone can thrive. In alignment with our values, this role emphasizes partnership, innovation, and continuous learning.
ResponsibilitiesBuild and maintain reusable web components for commerce flows like pricing, cart, and checkout.Translate Figma designs and design tokens into modular frontend solutions.Write clean, performant, and accessible HTML, CSS, and TypeScript code.Ensure secure, compliant, and accessible cart/checkout experiences (WCAG/ARIA, PCI).Integrate frontend components with APIs and optimize user journeys using analytics and experimentation frameworks.Collaborate with designers, product managers, and engineers to deliver and scale commerce UI solutions. | |