Top Tech Jobs & Startup Jobs in NYC, NY

Design, build, and deploy high-throughput ML and LLM-powered personalization and agentic systems at consumer scale. Process petabyte-scale data, optimize real-time inference, implement resilient fallback paths, and balance latency, cost, and model quality while collaborating across engineering and product teams.

Lead editorial programming across web, mobile, app, and push for Yahoo Finance. Set strategy, KPIs, and editorial standards; manage a multi-time-zone team; partner with product, engineering, analytics; use data and AI to optimize headlines, alerts, and distribution across surfaces.

Design, build, and operate high-concurrency distributed microservices for spam detection and email delivery. Lead architecture, CI/CD, cloud-native (GCP) operations, telemetry, and AI-assisted/agentic workflows. Integrate LLMs for detection and diagnostics, mentor engineers, and drive reliability, performance, and automation across production systems.

Own vision and strategy for a core internal developer platform (Cloud Runtime, Security, Database, Key-Value, Messaging). Partner with engineering and stakeholders to define MVPs, prioritize capabilities, measure product metrics, reduce cognitive load, cut costs, improve performance/reliability, and drive internal adoption through feedback, analytics, and cross-functional collaboration.

Lead full-lifecycle M&A, divestitures, joint ventures, and strategic investments. Source and prioritize targets, build financial models and valuations, run cross-functional diligence, draft transaction documents, and support integration or separation. Produce executive- and board-ready materials, use AI tools to accelerate workstreams, and manage stakeholders and advisors from sourcing through close.

Lead the architectural development and migration of Yahoo Mail infrastructure to Google Cloud, collaborating with teams to define requirements, optimize solutions, and ensure alignment with business objectives and standards.

As a Principal Software Dev Engineer, lead full-stack engineering, oversee complex initiatives, mentor engineers, and align technical strategies with business goals to enhance content management systems.

Lead the architecture and development of Yahoo’s AI-powered data intelligence platform at petabyte scale. Build distributed batch and streaming systems, production RAG and multi-agent applications, semantic metadata integrations, and evaluation frameworks for retrieval quality, agent accuracy, hallucination prevention, and operational safety. Establish enterprise AI reference architectures, drive adoption across teams, validate AI-generated code and agent plans, and influence technical strategy across engineering, governance, infrastructure, product, analytics, and business stakeholders.

As a Senior Data Scientist at Yahoo Mail, you will enhance user growth strategies via product innovation, overseeing research projects and analytics.

Own end-to-end technical success for enterprise data partners, from sandbox onboarding through production optimization. Serve as the primary technical contact, maintain API reliability and SLA compliance, monitor integrations, troubleshoot distributed and asynchronous systems, translate partner needs into technical specifications, and collaborate with engineering teams to improve APIs, streaming pipelines, and data contracts. Create documentation, playbooks, architecture diagrams, and escalation processes while communicating effectively with technical and executive stakeholders.