Senior Software Engineer - Frontend Platform & Commerce Experiences
Company: Microsoft
Location: Mountain View
Posted on: January 1, 2026
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Job Description:
We 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. Responsibilities
Build 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. Qualifications Required
Qualifications Bachelors Degree in Computer Science or related
technical field AND 4 years technical engineering experience with
coding in languages including, but not limited to, C, C++, C#,
Java, JavaScript, or Python OR equivalent experience. 4 years of
frontend development experience with Web Components, TypeScript,
JavaScript, and CSS. 2 years of demonstrated experience working
with front end design systems (e.g. - Fluent, Material, Spectrum),
Theming frameworks (e.g. - CSS variables, Sass, Tailwind), and
reusable component libraries. 2 years of experience delivering
commerce-related UI features such as pricing displays, cart
interactions, and checkout flows. Preferred Qualifications: Masters
Degree in Computer Science or related technical field AND 6 years
technical engineering experience with coding in languages
including, but not limited to, C, C++, C#, Java, JavaScript, or
Python OR Bachelors Degree in Computer Science or related technical
field AND 8 years technical engineering experience with coding in
languages including, but not limited to, C, C++, C#, Java,
JavaScript, or Python OR equivalent experience. Experience
implementing Figma-based designs, ensuring pixel-perfect execution
and fidelity to design intent. Experience building or contributing
to enterprise design systems or component libraries. Familiarity
with commerce platforms, payment integrations, or transactional
workflows. Software Engineering IC4 - The typical base pay range
for this role across the U.S. is USD $119,800 - $234,700 per year.
There is a different range applicable to specific work locations,
within the San Francisco Bay area and New York City metropolitan
area, and the base pay range for this role in those locations is
USD $158,400 - $258,000 per year.
Keywords: Microsoft, Ceres , Senior Software Engineer - Frontend Platform & Commerce Experiences, IT / Software / Systems , Mountain View, California
