Top Blockchain Jobs in Los Angeles, CA

Lead and manage software engineering teams: run agile processes, design and ship secure scalable APIs and services, guide architecture, manage technical debt, recruit and mentor engineers, and align work with company objectives.

Leads Circle’s product and technology communications strategy, including media narratives, product launches, executive thought leadership, speaking opportunities, developer communications, and Tier 1 technology media relationships. Builds long-term positioning for Arc, Circle Agent Stack, Circle Payments Network, and digital asset products. Partners with product, commercial, community, public affairs, and reputation teams while developing AI-powered communications workflows and supporting crisis response.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

Manage a portfolio of mid-market sellers, expanding use cases and technical solutions, negotiating contracts, and providing exceptional client service.

The Staff Software Engineer will develop and execute technical strategies for Cash App Banking, lead architectural decisions, and mentor engineers, focusing on innovative financial solutions.

Lead front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Own fraud detection and mitigation for ACH payments: design controls, run investigations, analyze performance (precision/recall, financial impact), and partner with Product, Data Science, Risk ML, and Engineering to operationalize risk strategies and transition to model-driven controls.

Lead architecture and delivery of IT automations and integrations across platforms (n8n, Airflow, Temporal, Jira). Act as technical DRI for complex automation projects, partner with Security and IAM, build reusable frameworks and documentation, establish engineering standards and code review practices, and mentor peers.

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.

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

Prepare and file individual and business tax returns involving bitcoin and digital assets. Provide cryptocurrency tax planning, calculate cost basis and gains or losses, maintain compliance records, collaborate with financial and estate planning teams, monitor regulatory changes, and contribute to thought leadership through articles, webinars, and industry events.

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.

Promote BeBetter Shop's Booster packages within the crypto, SaaS, and FinTech industries, leveraging established connections for sales.

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.

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.