Top Tech Jobs & Startup Jobs

Drive research and engineering for Microsoft 365 Copilot: improve orchestrator reasoning, advance model training (fine-tuning, RL), curate high-quality data, run experiments, build model-driven features from prototype to production, and communicate results to influence product direction and recruit research talent.

Lead and grow an applied science team building text, image, and multimodal creative AI. Define science roadmap, drive LLM/multimodal innovation, partner cross-functionally to deliver scalable ad-facing solutions, establish metrics and experiments, and communicate strategy and impact to senior leadership to improve advertiser ROI and user engagement.

Design and implement scalable first-mile networking solutions for Microsoft 365 Substrate and COSMIC. Drive design, dependency identification, coding, optimization, debugging, and on-call monitoring. Analyze production telemetry to improve reliability, performance, and observability. Act as a DRI, lead design and release plans, and collaborate with stakeholders to meet product requirements at global scale.

Lead development of large‑scale, multimodal content quality and recommendation systems using LLMs and DNNs. Architect ranking/retrieval, own evaluation and experimentation, champion safety, scale end‑to‑end ML pipelines, and mentor scientists to deliver measurable engagement and trust improvements.

Design, implement, and operate production-quality AI framework components, benchmark and optimize large model training and inference across GPUs and Microsoft hardware, build automation and observability, drive cross-team projects from definition to deployment, and provide technical leadership and mentorship for improvements in performance, reliability, and model onboarding velocity.

Lead planning, coordination, and delivery of technical infrastructure integration for data center construction projects. Manage scope, schedules, risks, budgets, vendor coordination, commissioning, and facility readiness while aligning stakeholders and driving continuous improvement.

Lead planning, coordination, and delivery of technical infrastructure integration for data center construction. Manage scope, schedules, risks, budgets, vendors, and stakeholder alignment; support design reviews, commissioning, operational turnover, and facility readiness across distributed teams.

Design and build large-scale distributed cloud services for AI-driven Windows cloud experiences. Lead system design, code reviews, testing, monitoring, and performance optimization while ensuring security, reliability, and cross-team delivery.

Lead and conduct employee relations investigations, provide coaching and consultation to managers and employees, partner with HR and Legal, use case management and data to track and identify trends, recommend resolutions, and improve processes to foster a fair, inclusive workplace.

Lead end-to-end execution of easements and related real estate instruments for datacenter development. Negotiate with landowners, utilities, and agencies; manage external suppliers and legal workflows; de-risk through early diligence; track milestones, risks, and executive reporting; and build repeatable playbooks, templates, and automation to improve predictability and reduce cycle time.