Top Tech Jobs & Startup Jobs in Los Angeles, CA

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.

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.

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.

Build AI-native, employee-facing security products (agents, skills, plugins), own AI tooling infrastructure, advocate for developer experience, integrate APIs/MCPs, validate AI outputs, and produce clear documentation and lightweight UIs for broad internal audiences.

The Senior Software Engineer will architect and optimize AI-powered developer tools, enhance the SDLC, collaborate across teams, and mentor peers to improve engineering productivity.

Lead research and algorithm design for large-scale ranking, personalization, recommendation, ads targeting, causal uplift, dynamic pricing, and revenue forecasting. Design, train, evaluate, and productionize state-of-the-art ML, deep learning, and RL models (including transformer/LLM hybrids) on cloud platforms, establish experimental standards, and mentor research engineers.

Lead architecture and development of high-performance, scalable backend systems for Yahoo Mail using Java and C++. Set technical strategy, establish architectural standards, validate AI-generated code, mentor senior engineers, collaborate cross-functionally, and ensure reliability through automated logging, telemetry, and debugging workflows.

Lead the development of deep learning models for email data, optimize models, design evaluation frameworks, integrate products, and mentor junior researchers.