Microsoft Ads serves billions of ad decisions every day across multiple products and markets. Trust & Safety is foundational, protecting users from harmful or deceptive content, protecting advertisers from fraud and abuse, and ensuring compliance with policy, privacy, and regulatory expectations.

We are seeking a Principal Software Engineering Manager to lead the Ads Trust & Safety Platform team. This team builds the engineering platforms that power Trust & Safety end-to-end across Microsoft Ads:

• Web entity intelligence/fidelity for domains, websites, landing pages, and related graphs/signals
• Real-time and nearline decisioning + enforcement workflows
• Serving infrastructure that runs diverse model stacks (LLMs, SLMs, wide & deep, ensembles, classical models) integrated with feature computation and signal stores
• Human-in-the-loop and agentic workflows, with strong auditability and governance
• Measurement and observability to track quality, latency, cost, and enforcement stability

Responsibilities

• Lead and grow the ATS Platform team: hire and develop managers/tech leads, set execution cadence, and raise engineering and operational standards.
• Own platform architecture and delivery across ingestion , signals/fidelity, inference/decisioning, enforcement
• Build web entity intelligence systems at scale: signal acquisition , resolution, relationship graphs, reputation scoring, provenance, and explainability artifacts.
• Evolve the model serving platform: inference + nearline/batch scoring on gamut of models
• Deliver tiered enforcement pipelines (fast-path gating + deeper checks for high-risk traffic) and integrate enforcement actions reliably with partner systems.
• Partner cross-functionally with Applied Science, PM, Policy, Privacy/Compliance, and partner engineering teams to align roadmaps and deliver end-to-end outcomes.

Required Qualifications

• Bachelor’s Degree in Computer Science or related technical field AND 15+ years of professional engineering experience (or equivalent).
• 8+ years leading senior engineers/tech leads .
• Proven delivery of web-scale distributed systems: high-QPS services, streaming/event processing, storage/caching, and reliability/performance engineering.
• Hands-on experience building serving/decision platforms with strict latency, throughput, and correctness constraints
• Experience in high-integrity domains requiring auditability, controls, and security/privacy-by-design
• Strong stakeholder leadership: driving clarity from ambiguity, aligning across teams, and executing with high-quality delivery discipline.

Preferred Qualifications

• Deep domain experience in Trust & Safety / Fraud / Abuse / Risk systems, including adversarial dynamics and enforcement feedback loops.
• Expertise in heterogeneous inference platforms

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.