Top Tech Jobs & Startup Jobs in Los Angeles, CA

Build and lead a firm-wide capital markets compliance program covering market integrity, MNPI, information barriers, insider trading, conflicts, pricing and index governance, fair dealing, transaction controls, partner oversight, product reviews, monitoring, investigations, and executive and board reporting. The role partners with Legal, Product, Engineering, Finance, HR, and senior leadership while developing scalable, data-driven controls and a markets compliance team.

Lead and grow the engineering team owning the warehouse management system (WMS), vault, and fulfillment platforms. Ensure reliability, scalability, security, and integrations; partner with product; provide architectural guidance; champion AI/LLM tooling; establish operating standards, incident response, and observability; recruit and mentor engineers and technical leads.

Owns end-to-end execution of digital pack launches, including pack configuration, odds, inventory allocation, launch readiness, monitoring, and issue escalation. Coordinates with supply, product, marketing, Vault, fulfillment, customer service, fraud, and accounting teams. Develops SOPs and QA controls, supports new category launches, and identifies opportunities to streamline or automate operations through product and engineering partnerships.

Build and tune fraud detections across accounts, authentication, payments, and other high-risk flows. Lead threat hunts, identify emerging abuse patterns, improve fraud telemetry, and convert findings into automated, tested detections. Develop tools, dashboards, and enrichment for fraud operations; measure precision, recall, coverage, and detection speed; and collaborate with security, engineering, risk, product, and operations teams to address systemic fraud risks.

Provides customer support by resolving inquiries, processing account adjustments, investigating issues, updating order spreadsheets, and escalating unresolved concerns. The role collaborates with Operations and other departments to deliver accurate solutions, requires strong communication, empathy, organization, and problem-solving skills, and is fully onsite in Santa Ana, California.

Leads corporate communications for Collectors Holdings and its portfolio brands. Responsibilities include crisis and issue response, executive communications, stakeholder and investor messaging, corporate media relations, press materials, social and community coordination, internal communications, agency and vendor management, and measurement. The role builds communications processes and teams while managing corporate narratives, major announcements, and high-stakes engagement with legal, finance, product, operations, and customer care teams.

Develop data models, analyses, dashboards, and automated reporting for a collectibles marketplace. Partner with engineering, product, and data platform teams to define business metrics, identify customer experience and growth opportunities, inform strategy, and lead initiatives that improve business performance.

Owns the end-to-end promotional lifecycle across digital and eCommerce platforms, including campaign planning, promotional calendar management, customer segmentation, execution, performance analysis, A/B testing, and optimization. Partners with marketing, CRM, legal, business operations, and analytics teams to measure incrementality, improve promotional effectiveness, and build scalable frameworks. This senior individual contributor also contributes to long-term growth and retention strategy.

Build and scale the PSA Liquidity Platform connecting buyers and sellers across PSA Partner Offers and eBay Consignment. Responsibilities include developing buyer tooling, pricing and ranking engines, seller experiences, microservices, distributed event-driven systems, and observability. The role owns end-to-end product delivery, cross-functional execution, technical architecture, ecosystem integrations, and production outcomes while using AI throughout the software development lifecycle.

Leads product strategy, roadmap, and continuous improvement for PSA Vault and warehouse management systems. Oversees operational workflows including receiving, storage, inventory, fulfillment, and shipping while improving integrations with grading, marketplace, and logistics systems. Partners with Engineering, Operations, and business stakeholders to define requirements, prioritize initiatives, measure outcomes, and enhance customer experiences. The role also identifies AI and automation opportunities and coordinates cross-functional delivery across the Collectors ecosystem.