Top Blockchain Jobs in Los Angeles, CA

Lead Circle's global fraud risk program by defining strategy, frameworks, controls, and analytics. Oversee investigations, regulatory reporting, detection systems, KPIs, and cross-functional embedding of fraud risk management across products and jurisdictions.

Lead day-to-day Product Risk Management operations: identify, assess, mitigate, and report product risks; define processes, standards, and tools; run risk assessments and executive reporting; partner with product, engineering, legal, compliance and auditors to embed ERM and ensure post-launch monitoring and issue remediation.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

Lead and close high-value, complex enterprise deals end-to-end. Drive insight-led strategy, manage multi-stakeholder technical sales cycles with Solutions Engineering, align internal stakeholders (Finance, Legal, Risk, Product), represent the company to executives, influence product and GTM, and use AI tools to increase efficiency.

The Senior Security Engineer will assess application security for AI systems, focusing on prompt injection techniques, threat modeling, and client training on AI security topics.

As a Security Engineer, you will conduct security assessments, develop security tools, perform architecture reviews, and collaborate on advanced security research.

The Security Engineer will design, build, and enhance security tools and frameworks, analyze security challenges, and contribute to AI/ML security research. Responsibilities include software development, security code review, and technical communication.

Design, build, and operate production ML decision systems to detect and prevent payment fraud, account takeover, identity abuse, merchant/marketplace risk, scams, and other adversarial activity. Own end-to-end production lifecycle: data contracts, low-latency inference, batch scoring, feature quality, deployment, monitoring, incident response, rollback, and feedback loops. Develop AI-assisted workflows and reusable decision capabilities while partnering with modelers, product, compliance, and operations.

Design, build, and operate core developer-infrastructure services (CI, builds, deployment orchestration, test infra). Own components end-to-end, improve build/CI/deploy/test metrics, participate in on-call rotation, write observable production-ready code, collaborate with engineering teams, and contribute to technical design and knowledge sharing.

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.

As a Senior Financial Analyst, you'll lead financial strategy, build financial models, automate workflows, and partner with business leaders to drive decision-making.

The Finance Manager will oversee finance workstreams, manage crypto and fiat operations, integrate financial systems, and ensure compliance. Responsibilities include financial analysis, reporting, and process optimization, collaborating across teams.