Top Tech Jobs & Startup Jobs in Los Angeles, CA

Lead a small, hands-on engineering team responsible for analytics infrastructure and member growth. Own technical strategy for ClickHouse-powered analytics, data visualizations, and LLM-enabled data experiences, while guiding onboarding and activation roadmaps. Write and review code, design experiments, partner with product and design, make architectural decisions, and hire, mentor, and develop engineers. The role requires strong web application experience, product judgment, communication skills, and expertise across Ruby on Rails, databases, ReactJS, and TypeScript.

Build and own evaluation infrastructure, observability tooling, datasets, annotation workflows, and diagnostic systems for production AI agents. Lead experiments across prompts, models, routing, caching, cost, and latency. Diagnose failures across planning, tool use, and agent execution, while partnering with AI Core engineering. Manage and grow the AI Quality team as a hands-on player-coach, contributing directly to production code and technical direction.

Own growth for Circle’s Discover marketplace by driving traffic, GMV, and transaction volume. Lead experimentation, lifecycle email, subscriber acquisition, SEO/AEO, creator success, funnel reporting, and retention initiatives. Partner with product, paid media, data, brand, partnerships, the GM, and co-founders to shape and execute marketplace growth strategy in a hands-on player-coach role.

Lead Circle’s creative direction and brand narrative across launches, campaigns, advertising, video, events, partnerships, and other major company moments. Work closely with founders, design, product marketing, paid media, video, and events teams to create distinctive, high-performing storytelling. Shape creative concepts, scripts, copy, and experiences while raising quality through influence, collaboration, and strong creative judgment.

Lead Circle’s social media function by developing and executing platform-native content strategies, producing and editing short-form video, managing content calendars and capture workflows, and partnering with leadership, events, community, partnerships, and marketing teams. Track social performance metrics, identify content opportunities, attend events, and establish repeatable systems to improve reach, engagement, and publishing consistency.

Leads Circle’s strategic partnerships function, including strategy, creator and business relationships, negotiations, campaigns, events, content, measurement, and scalable partnership programs. Owns performance goals, develops playbooks and operating systems, directs high-value partnerships, and collaborates with executives and cross-functional teams to drive customer growth, brand awareness, revenue, and market positioning. Manages and develops senior leaders while shaping both creative and commercial partnership strategy.