The Job

Principal Software Engineer

Technology, Data & Digital · Software & Web Development · Software Engineering · Web Development · Frontend

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In short

Join Microsoft as a Principal Software Engineer to drive innovation in the rapidly growing Online Advertising space. You will provide technical leadership, define architectural direction, and build state-of-the-art advertising platforms using technologies like React and TypeScript. This role requires a strong engineering background, experience with full-stack development, and the ability to mentor others.

Responsibilities

  • Provide hands-on technical leadership for advertiser-facing products and platforms.
  • Define and drive long-term technical strategy and architecture across frontend, service, and data layers.
  • Lead complex, cross-team initiatives from requirements and design through implementation and operations.
  • Build and evolve modern user experiences using React, TypeScript, and related web technologies.
  • Apply customer insights, experimentation, and telemetry to guide technical decisions.
  • Identify systemic technical challenges and develop reusable platforms and frameworks.
  • Drive technical alignment across engineering, product, design, and partner organizations.
  • Establish engineering practices for testing, observability, deployment, and incident response.
  • Anticipate technical risks and resolve complex design and production issues.
  • Mentor engineers and technical leaders, strengthen engineering capabilities, and foster an inclusive environment.
  • Contribute to broader organizational strategy and influence investment decisions.

Requirements

  • 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.
  • Ability to meet Microsoft, customer and/or government security screening requirements.
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.

Desired Qualifications

  • Extensive experience designing, developing, and shipping production software products or services.
  • Demonstrated expertise in full-stack development, with substantial experience building complex frontend applications using JavaScript or TypeScript and modern frameworks such as React.
  • Experience defining architecture and technical strategy for large-scale products, platforms, or distributed systems.
  • Proven ability to lead complex initiatives involving multiple engineering teams and organizational stakeholders.
  • Solid software design, coding, debugging, and problem-solving skills.
  • Experience delivering secure, reliable, maintainable, and measurable customer-facing solutions.
  • Demonstrated ability to operate effectively in ambiguous environments and make sound technical and product trade-offs.
  • Effective written and verbal communication skills, including the ability to influence technical and non-technical stakeholders.
  • Experience with C#/.NET and the design of scalable APIs, services, and distributed systems.
  • Experience with Microsoft Azure or another major cloud-computing platform.
  • Experience with experimentation, telemetry, data-informed product development, and customer behavior analysis.
  • Experience with CI/CD, automated testing, observability, service health, and live-site operations.
  • Experience building products for advertising, commerce, enterprise, or other workflow-intensive domains.
  • Demonstrated success mentoring senior engineers and developing technical leadership across teams.

Benefits

  • Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50-mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week.
#Software Engineering#Online Advertising#MAI#Microsoft Advertiser
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Company

Microsoft

Job Posted

1 month ago

Employment Type

Full Time

WorkMode

On Site

Experience Level

Senior

Locations

United States

Qualification

Bachelor

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