The Principal Software Engineer will play a key role in shaping the future of the Bing Ads auction platform, which is critical for ad delivery. This position involves leading technical direction, solving complex engineering challenges, and collaborating with various teams to build scalable and reliable solutions. The ideal candidate will have a strong background in distributed systems and a passion for modernizing advertising platforms. This role is suited for someone who enjoys driving high-impact technical initiatives and mentoring other engineers.

• 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.
• 5+ years of experience owning and operating production services as a Designated Responsible Individual (DRI) or on-call owner.
• Proven technical design, problem-solving, and debugging skills, with experience working on large, complex production systems.
• Proven ability to lead technical initiatives across teams and influence architectural decisions.

• Combine technical expertise, cross-team leadership, and business impact to shape the future of the Bing Ads platform.
• Own critical components of the ads serving stack end-to-end, improving scalability, performance, reliability, maintainability, observability, and engineering efficiency.
• Lead the evolution of the core auction and pricing engine, ensuring correctness, efficiency, low latency, and solid business outcomes.
• Drive ambiguous, high-impact technical initiatives from concept to delivery, defining strategy and aligning multiple teams.
• Partner closely with engineering, product, design, and applied science teams to deliver complex cross-functional features.
• Set architectural direction across teams by leading design reviews and modernizing shared platform capabilities.
• Advance AI-enabled engineering practices and developer productivity through improved tooling and automation.
• Mentor engineers and establish high engineering standards across the organization.
• Ensure the health of a high-scale, low-latency platform serving billions of requests daily.
• Connect technical decisions to business outcomes and translate long-term strategy into a prioritized technical roadmap.

• Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.