Top Tech Jobs & Startup Jobs in Seattle, WA

Design and train large-scale transformer-based models and end-to-end ML systems for ad interaction and conversion prediction. Build weak-label and attribution pipelines, develop multi-task and calibration methods, run offline and online evaluation, and deploy production-ready models that improve ad ranking, bidding, and advertiser ROI at web scale.

Build and maintain cloud-native, large-scale services for deploying, running, fine-tuning, and observing AI agents. Contribute to distributed systems, backend services, tooling, debugging, design discussions, and delivery of production-ready features with strong testing and reliability practices.

Lead analog mixed-signal (AMS) verification for SoCs and IP: build AMS models, create system-level simulation environments, run block and top-level simulations, develop behavioral models, coordinate engineers and contractors, establish verification methodology, document results, and drive design resolution through tape-out to production.

Operate and improve Microsoft Defender services in US Government clouds: lead on-call incident response, automate deployments and monitoring, build scalable reliability tooling, ensure security/compliance, run postmortems, and collaborate across teams to maintain uptime and performance.

Design and build scalable distributed systems and deliver features end-to-end for an AI-driven scientific discovery platform. Improve engineering velocity and reliability using AI-enabled processes, collaborate with Microsoft Research and platform teams, and apply site-reliability engineering practices to ensure robust operations.

Lead applied research projects that move LLM-based code models from research to product: build and train code models, create datasets from public and internal code, run large-scale ML experiments, collaborate with product and engineering teams, and evaluate and iterate AI for developer tools.

Design, build, and operate scalable, secure services across the product lifecycle. Lead architecture, write high-quality code, use AI-assisted tools responsibly, own testing and deployment, drive CI/CD automation, run experiments, mentor engineers, participate in on-call rotation, and improve telemetry, reliability, security, accessibility, and developer velocity.

Own product quality and manufacturing execution for Surface/Xbox devices. Lead fault isolation, failure analysis, and corrective actions; define test methods; train manufacturing partners; develop debug and repair tools; drive continual improvement across global manufacturing and refurbishment sites while collaborating with cross-functional teams and data/IT partners.

Architect and drive end-to-end technical direction for Copilot Discover platforms: design scalable, secure, and reliable systems that ingest, enrich, rank, personalize, and serve content; collaborate with product, design, data science, and partner teams to set multi-year roadmaps; establish quality, CI/CD, monitoring, and operational standards; and lead cross-organizational adoption of AI/ML techniques for personalized discovery experiences.

Develop and maintain code and automation for highly scalable M365 sovereign cloud services. Operate live sites, participate in on-call rotations, troubleshoot incidents, improve observability, design automation for deployments, and collaborate with product and security stakeholders to ensure reliability and compliance.