Top Blockchain Jobs in Los Angeles, CA

Design, deploy, and maintain end-to-end ML-driven risk solutions at scale to detect and prevent fraud, abuse, and credit risk. Lead technical decisions, build ML tooling and processes, apply state-of-the-art models and third-party data, investigate emerging risk patterns, and collaborate with platform and cross-functional teams to ensure reliable real-time model operation.

The Solutions Engineer collaborates with Sales and Partnerships, integrating Square's platform with sellers, providing technical guidance, and offering white-glove support for strategic clients.

The Senior Site Reliability Engineer will enhance reliability of Block's platform, improve incident response using AI tools, and coordinate incident management. Responsibilities include building reliable systems, standardizing tools, and leading high-severity incidents during on-call rotations.

Lead product marketing for Circle's Digital Assets, defining positioning, launching products, and driving adoption through strategic insights and collaboration.

Lead program delivery for Agent Cockpit, coordinating cross-functional teams, managing roadmaps, dependencies, launch readiness, security reviews, reliability and observability programs, and agent enablement to ensure a stable, performant internal compliance platform.

Own product strategy and delivery for chat, voice, and proactive support surfaces to maximize automation rates and CSAT. Build AI-integrated capabilities with ML/LLM teams and vendors, partner with Engineering, CX Operations, Data Science, and Compliance on platforms (Amazon Connect, Sprinklr, Salesforce), drive build-vs-buy decisions, and execute cross-functional delivery to optimize customer and agent experiences.

Lead end-to-end IT and security audits across cloud infrastructure, application security, IAM, vendor risk, and blockchain products. Plan and execute fieldwork, produce evidence-based reports for senior leaders and the Audit Committee, mentor junior auditors, validate remediation, and partner with Engineering and Security to improve controls while maintaining audit independence.

Serve as the CEO's right-hand, managing their time and communications, driving strategic planning, owning cross-functional projects, building accountability systems, drafting executive materials, and executing organizational priorities to ensure follow-through and operational efficiency.

Lead the Application Security Practice, overseeing team performance and business growth while delivering high-quality security consulting services and fostering innovation through AI integration and research contributions.

Graduate research interns will own end-to-end projects developing customer world models and proactive intelligence. Work spans representation learning, foundation models, reinforcement learning, agentic decision systems, and evaluation. Tasks include designing methods, running experiments, publishing findings, and potentially shipping models into production to impact customer-facing products.

The Engineering Manager leads a team in delivering reliable software solutions, blending technical contributions with team leadership, managing projects, and improving processes.

Drive sales of AI/HPC data center hardware to enterprise and cloud customers, leveraging existing networks and expertise to close deals and advise on solutions.

Design, build, test, and deploy smart contracts and decentralized applications. Maintain blockchain integrations and backend services, optimize for security and gas efficiency, contribute to architecture and technical strategy, conduct code reviews, mentor junior engineers, and collaborate with product, frontend, and security teams.

Design and ship a 14-domain skills taxonomy and SDK/CLI tooling, operate the MCP server, integrate agent protocols, improve LLM grounding for crypto, run developer hackathons, and produce technical content to grow the ecosystem.

Manage media relations and pitching for CoinMarketCap: secure press, podcast, TV and speaker placements; draft press releases; turn proprietary data into stories; maintain media lists/CRM; track coverage and KPIs; support spokesperson briefings, events logistics, awards submissions, cross-team coordination, and crisis/reactive communications.

Lead marketing strategy and execution across product portfolios: translate objectives into campaigns, manage multi-channel workflows (social, web, chat, content, video), track performance and budgets, collaborate with Brand/PR and community teams, and support business development using data-driven insights and AI to scale adoption.

Design, build, and maintain scalable end-to-end systems and APIs/SDKs for an enterprise custody platform. Work full-stack across databases, cloud deployments, CI/CD, and security; troubleshoot issues, integrate emerging technologies, and mentor junior engineers.