Top Blockchain Jobs in Los Angeles, CA

Lead and execute Circle National Trusts internal audit program for fiduciary and bank-related audits. Test controls across treasury, trust operations, and technology risk. Partner with senior leadership, risk owners, and examiners; prepare regulatory reporting; perform annual risk assessments and support broader internal audit work across Circle.

The Software Engineer will enhance Lending products for Cash App, focusing on building complex systems, APIs, and collaborating with multiple teams to support economic empowerment through accessible credit.

Lead end-to-end delivery of high-priority revenue programs, coordinating Product, Sales, Marketing, Finance, Legal, Risk, and Operations. Drive launch readiness for products and partnerships, establish governance and operating cadences, create repeatable launch frameworks and executive communications, and continuously improve cross-functional execution.

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 and grow a team of engineers building account and transaction history infrastructure. Drive re-architecture for scale, own internal developer tools and dashboards, shape distributed systems and streaming pipeline architecture, coordinate roadmaps with product and finance, and own hiring, SLA accountability, incident response, and on-call practices.

Design, build, and operate Kubernetes-based compute orchestration and developer tooling. Deliver new compute capabilities, automate operations and observability, integrate AI into workflows, and partner with Security and Reliability to ensure platform scalability, performance, and incident response.

Design, build, and operate backend systems for prediction markets, including order management, trade matching, settlement, and market resolution. Architect distributed, low-latency systems with strict financial correctness, lead multi-quarter technical projects, mentor engineers, and collaborate with Product, Compliance, and Risk to meet regulatory requirements.

Looking for a Software Engineer to build financial products and tooling for Cash App's Lending team, ensuring quality and compliance while collaborating across domains.

Provide tax preparation, planning, and advisory services for individuals and businesses holding bitcoin and digital assets. Prepare and file tax returns, calculate cost basis and gains/losses, advise on mining/staking/airdrop income, collaborate with advisors and estate planners, maintain compliance documentation, and contribute thought leadership through articles and webinars.

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

Own developer-facing outreach for Trail of Bits: grow community relationships, support and onboard maintainers, convert research into usable tools and docs, publish deep technical content, run workshops and conference presence, and attract upstream contributions while routing practitioner feedback into product and research priorities.

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.

Manage end-to-end returns and reverse logistics for high-value tech products: coordinate air freight returns, RMAs, customs clearance, warehouse receipt and inventory reconciliation, SAP transaction processing, KPI reporting, and stakeholder communications to ensure timely disposition and return-to-stock.

Lead and scale the sales organization by creating data-driven strategies, managing and coaching sales staff, aligning marketing for lead generation, hiring and training talent, tracking metrics, enforcing performance plans, and ensuring correct use of CRM and sales tools to meet revenue goals.