Top Blockchain Jobs in Los Angeles, CA

Lead the technical direction and delivery of Bitcoin and stablecoin experiences for iOS across Cash App, Square, and Bitkey. Build and ship complex features end to end, establish architecture and shared systems, integrate backend services, improve testing and release safety, and mentor engineers. Collaborate across product, design, Android, web, and backend teams while applying AI-assisted development practices and contributing to secure, reliable customer experiences.

Leads the global operating system for seller onboarding, including KPI frameworks, business reviews, reporting, capacity planning, workforce modeling, financial support, process standardization, and continuous improvement. Partners cross-functionally to translate strategy into measurable plans and drives AI-enabled workflow adoption, training, and performance improvements across regions and delivery models.

Own activation and habituation growth for Cash App by setting strategy, managing the roadmap and experiment backlog, and shipping product, messaging, incentive, and personalization initiatives. Partner directly with Engineering, ML, Design, Analytics, and Marketing to diagnose funnels, run rigorous experiments, improve retention, and scale successful lifecycle programs. The role requires strong data analysis, CRM expertise, AI fluency, and end-to-end ownership of measurable growth outcomes.

Own end-to-end revenue and partnership accounting, including month- and quarter-end close, reconciliations, journal entries, subledger reviews, variance analysis, revenue recognition, incentive accounting, disclosures, controls, and audit support. Apply ASC 606 and US GAAP to complex arrangements while partnering with commercial, legal, tax, and data teams. Design AI and automation solutions using ChatGPT and Gemini to improve efficiency, quality, governance, and auditability.

Supports identity and access management, troubleshoots technical issues across Salesforce, Amazon Connect, Okta, and internal systems, and resolves tickets for internal support teams. The role validates system functionality, manages Jira escalations, partners with engineering during incidents, automates workflows, documents solutions, and identifies recurring issues for systemic improvement. It requires strong technical troubleshooting, communication, organization, and the ability to interpret code, logs, and system configurations.

Lead technical direction and hands-on development of Bitcoin and stablecoin iOS products across Cash App, Square, and Bitkey. Own architecture, implementation, testing, service integration, rollout, observability, security, and post-launch improvements. Build foundational systems, mentor engineers, influence cross-team standards, collaborate across platforms, and integrate AI-assisted development tools while maintaining software quality and reliability.

Own activation and habituation goals for Cash App by setting growth strategy, managing the roadmap and experiment backlog, and shipping product, messaging, incentive, and personalization initiatives. Diagnose funnels, run rigorous experiments, size opportunities, and collaborate with Engineering, ML, Design, Analytics, Martech, Creative, and Brand. Drive AI-enabled decisioning and scale successful lifecycle programs across the business.

Own application security for backend services, APIs, cloud infrastructure, and edge systems handling financial transactions. Responsibilities include validating red-team findings, assigning severity, hardening services, implementing WAF and rate-limiting defenses, creating automated security configuration checks, expanding pull-request security gates, reviewing architectures, managing attack-surface coverage, and evaluating security tools. The role also partners with engineers and Security Operations to drive effective remediation.

Conduct application security assessments, discover and validate vulnerabilities, analyze complex codebases, build custom security tooling, perform threat modeling and architecture reviews, and deliver actionable findings to clients. Independently own assessment workstreams, develop proof-of-concept exploits, communicate technical conclusions, review team work, and contribute to security research, open-source tools, and technical writing.

Build and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, test reliability, observability, and engineering productivity at scale. Own services from architecture through production, including SLOs and on-call operations. Lead cross-functional technical projects, partner with engineering teams, mentor engineers, and shape platform strategy.

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.

Assistant General Counsel will own commercial contracting, negotiate client and partner agreements, advise Product and Engineering on legal and regulatory issues, and support corporate, governance, employment, IP, privacy, compliance, financing, and disputes matters. Reporting to the General Counsel, this role will serve as second-in-command while building legal templates, playbooks, intake processes, contract management systems, and automation for a growing onchain financial business.

Lead the BSA/AML and Sanctions compliance program for a regulated fintech payments business. Responsibilities include maintaining policies, risk assessments, controls, and governance; translating regulations into product and control requirements; conducting counterparty due diligence; delivering training; supporting audits and regulatory examinations; and advising Product, Engineering, Legal, Sales, and other teams on compliance risks. The role requires deep payments, digital assets, blockchain, sanctions, AML, and fintech compliance expertise.

Supports fulfillment and logistics operations, including inventory, warehouse, and fulfillment activities. Performs standardized administrative and operational tasks under supervision, applies defined procedures, exercises limited independent judgment, and escalates non-routine issues. The role requires job-related training, on-the-job experience, and the ability to support warehouse and operational execution within established guidelines.