Senior Software Engineer

Posted 11 Days Ago
Be an Early Applicant
Redmond, WA, USA
In-Office
120K-261K Annually
Senior level
Software • Quantum Computing • Metaverse • Infrastructure as a Service (IaaS)
The Role
Improve the performance, scalability, architecture, reliability, and responsiveness of Office web applications. Lead cross-team technical initiatives, use telemetry and profiling to resolve issues, apply agentic AI to development and modernization, mentor engineers, establish quality practices, and support production systems through on-call participation.
Summary Generated by Built In
Overview
Microsoft Copilot is transforming productivity across Microsoft 365 by bringing AI-powered experiences to Word, Excel, PowerPoint, and other Office applications.
 
We are seeking a Senior Software Engineer to improve the performance, scalability, and architecture of Office web applications. You will work across large codebases to optimize startup time, responsiveness, and overall customer experience, using profiling, telemetry, experimentation, and modern engineering practices.
This role requires strong technical leadership and the ability to leverage agentic AI to accelerate engineering work, including system analysis, implementation, testing, debugging, and large-scale code improvements, while maintaining high standards for quality, security, and performance.
 
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
  • Drive performance, scalability, and architectural improvements across Office web applications.
  • Identify and resolve performance issues using telemetry, profiling, and experimentation.
  • Lead complex cross-team engineering initiatives and technical design efforts.
  • Apply agentic AI to accelerate development, testing, debugging, and code modernization.
  • Partner across Microsoft to deliver high-impact customer experiences.
  • Establish engineering practices that improve quality, reliability, and performance.
  • Mentor engineers and contribute to technical excellence across the organization.
  • Participate in on-call support and drive resolution of production issues.

Qualifications
Required Qualifications:
  • Bachelor's 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.

Other Requirements:

Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:

  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
Preferred Qualifications:
  • Master's degree with 6+ years of software engineering experience, or equivalent experience.
  • Experience leading complex, cross-team engineering initiatives and driving technical decisions.
  • Experience improving performance, scalability, and reliability of large-scale web applications.
  • Experience modernizing large codebases through architectural improvements, refactoring, and performance optimization.
  • Demonstrated ability to effectively leverage agentic AI for software development, code transformation, testing, debugging, and engineering productivity.

.


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 $160,200 - $261,000 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.

Skills Required

  • Bachelor's degree in Computer Science or a related technical field and 4+ years of technical engineering experience with coding in C, C++, C#, Java, JavaScript, Python, or equivalent experience
  • Ability to pass the Microsoft Cloud Background Check upon hire or transfer and every two years thereafter
  • Master's degree with 6+ years of software engineering experience, or equivalent experience
  • Experience leading complex, cross-team engineering initiatives and driving technical decisions
  • Experience improving performance, scalability, and reliability of large-scale web applications
  • Experience modernizing large codebases through architectural improvements, refactoring, and performance optimization
  • Ability to effectively leverage agentic AI for software development, code transformation, testing, debugging, and engineering productivity

Microsoft Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Microsoft and has not been reviewed or approved by Microsoft.

  • Fair & Transparent Compensation Pay is presented as broadly competitive overall, with clear role/level/location variation and an emphasis on using posted ranges and band information for apples-to-apples comparisons.
  • Retirement Support Retirement benefits are described as a standout, highlighted by a strong 401(k) match structure and immediate vesting, plus additional plan features for tax-advantaged saving.
  • Parental & Family Support Family-oriented benefits are portrayed as a meaningful strength, with substantial paid parental leave and added supports like back-up care and adoption/surrogacy assistance.

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The Company
HQ: Redmond, WA
206,870 Employees
Year Founded: 1975

What We Do

At Microsoft, our mission is to empower every person and every organization on the planet to achieve more. Our mission is grounded in both the world in which we live and the future we strive to create. Today, we live in a mobile-first, cloud-first world, and the transformation we are driving across our businesses is designed to enable Microsoft and our customers to thrive in this world.

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