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Open nowPosted 17 hours ago

Principal Software Engineer

Microsoft1,017 open roles

Where
Redmond, WA, United States
Work mode
On site
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Your applicationOpen nowPrincipal Software EngineerMicrosoft · Redmond, WA, United States

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market. Microsoft postings stay open a median of 15 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 17 hours ago

Microsoft median: 15 days open

The posting

Overview

Build the foundation. Shape the team that follows. We are seeking a Principal Software Engineer to serve as a founding technical leader for the next generation of our commerce platform. You will define the engineering direction for a modern, extensible commerce ecosystem, translate customer and business needs into durable system designs, and make consequential cross-system technical decisions. This is an opportunity to establish the foundation, engineering standards, and reusable patterns that a future commerce engineering team can build on and extend.

This is a hands-on individual contributor role with broad organizational influence. You will work through technical credibility, code and design reviews, prototypes, operational evidence, and clear engineering guardrails rather than direct reporting authority. You will partner across engineering, product, operations, security, privacy, systems integrators, and platform vendors to resolve ambiguity and raise the quality bar. Success means both delivering a dependable modern commerce platform and creating the technical foundation, practices, and culture needed for a future team to thrive.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees, we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day, we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Responsibilities

  • Own the end-to-end technical strategy and system design for the commerce ecosystem and its evolution roadmap.
  • Define system boundaries, data ownership, interfaces, end-to-end flows, APIs, performance benchmarks, security, events, and integration patterns across product and SKU lifecycle, product information, pricing and promotions, storefront and content, search, cart and checkout, and the order lifecycle.
  • Connect commerce capabilities to payments, tax, fraud prevention, fulfillment, returns, identity and consent, and telemetry and analytics.
  • Establish clear engineering contracts with retained enterprise services so new and existing platforms can coexist without fragmented responsibilities or incompatible designs.
  • Set technical direction and drive material cross-system design decisions within the commerce scope.
  • Evaluate platform and build-versus-buy choices, configuration versus customization, interoperability, and vendor exit options.
  • Make tradeoffs explicit, review partner and vendor designs, and use prototypes, code review, benchmarks, and operational evidence to validate high-risk assumptions.
  • Define measurable engineering requirements for resilience, scalability, performance, observability, security, accessibility, and operating cost.
  • Design for transaction integrity, idempotency, reconciliation, failure recovery, and traceability across distributed APIs and event-driven workflows.
  • Guide modernization through implementation, migration, coexistence, release, cutover, and rollback.
  • Partner with delivery teams to verify that implementation and production behavior conform to the intended system design and remain accountable for technical integrity and platform evolution after launch.
  • Establish the engineering standards, reusable patterns, development practices, and decision mechanisms that will form the foundation of a future commerce engineering team.
  • Lead technical and code reviews, resolve conflicting approaches, and document important decisions, alternatives, rationale, owners, and implications.
  • Influence and mentor engineers and technical leads across partner teams without relying on direct reporting authority.
  • Create clear guardrails that enable teams to move independently while maintaining system coherence, production quality, and shared engineering standards.
  • Design and build the platform for AI-assisted and agentic commerce through well-defined interfaces and controlled access.
  • Enable agentic capabilities to evolve safely over time, with appropriate permissions, consent, auditability, and controls for customer-impacting actions.

Embody Microsoft’s culture and values.

Qualifications

Required Qualifications

  • Bachelor's 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 equivalent experience.

Preferred Qualifications

  • Architecture leadership experience: Lead complex, cross-team system design, resolve ambiguity, and influence technical decisions.
  • Engineering experience: Design reliable distributed systems and modernize critical platforms while managing migration risk.
  • Preferred experience: Commerce platforms, SaaS integrations, vendor evaluation, and governed AI capabilities.

Software Engineering IC5 - The typical base pay range for this role across the U.S. is USD $142,800 - $274,800 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 $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

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