Principal Software Engineer - Microsoft Advertising
Redmond, WAJobPosted 1 day agoStill listed 1 day ago
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At a glance
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Job overview
The Principal Software Engineer will lead the design and implementation of scalable, high-performance backend systems with strict latency and reliability requirements. The role focuses on modernizing critical services, improving operational safety, and evolving observability and experimentation capabilities. It also provides technical leadership and mentorship while collaborating with engineering, data science, product, experimentation, and infrastructure partners.
Skills & qualifications
Skills
Qualifications
Full job description
Lead design and implementation of scalable, high-performance backend systems operating under strict latency and reliability requirements. Drive platform modernization and long-term sustainability of critical services, improving code quality, maintainability, and operational safety. Ensure performance, scalability, and stability of the service as traffic, data volume, and business requirements continue to grow. Define and evolve instrumentation, observability, and experimentation capabilities to support data-driven decision making and safe production changes. Collaborate closely with cross-functional partners (engineering, data science, experimentation, product, and infrastructure) to align technical solutions with business goals. Provide technical leadership and mentorship, influencing architecture decisions and engineering best practices across teams. 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 Master's 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 Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Experience working on high-throughput, production systems where scalability, latency, and stability are critical. Experience with performance and system optimization/tuning. Demonstrated ability to design, evolve, and maintain complex systems over time. Experience collaborating with cross-functional teams to deliver solutions aligned with business needs. Solid problem-solving skills and the ability to analyze and address performance or reliability issues in production environments. Experience with real-time bidding systems, ad tech, or high-frequency decision systems. Experience working with ML-driven decision systems or integrating models into production pipelines. Exposure to large-scale data processing or feature pipelines. Experience with cloud environments and modern deployment practices.
How this job compares
Set against the 41,747 open Software Engineer jobs on Olive Jobs, counted November 9, 2026.
- Pay
- This postingNot listed
- Washington median$144–216K/yr1,951 salary ranges
- Washington median$52–69/hr36 hourly ranges
- Openings
- Olive Jobs lists 2,190 open Software Engineer jobs in Washington and 41,747 across the US. 8% of them nationwide are listed as remote or flexible.
- Experience
- Software Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 7 years (34,086 postings).
- Education
- 13,027 of the 41,747 open Software Engineer jobs (31%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 9, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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