Top Blockchain Jobs in Los Angeles, CA

The Principal Creative, Copy will develop impactful branding and messaging, lead multi-channel campaigns, and ensure compliance in financial communications. Requires strong storytelling and collaboration skills.

The Senior Solutions Engineer will collaborate with Sales and Account Management to support seller integrations, advise on suitable Square solutions, and offer ongoing support to strategic sellers and partners.

Design, build, and operate production ML decision systems to detect and prevent payment fraud, account takeover, scams, and other abuse. Integrate diverse signals into low-latency serving and batch scoring, own feature pipelines and model lifecycle, develop AI-assisted triage and feedback loops, and partner cross-functionally to balance fraud reduction with legitimate customer access.

Design, build, and operate production ML systems that generate trusted signals for ranking, retrieval, recommendations, propensity/churn/LTV, and next-best-action decisioning. Define signal/data contracts, own feature and candidate generation through serving, experimentation, monitoring, and feedback loops, and evaluate long-term business impact, trust, fairness, and compliance. Partner across product, data, modeling, risk, and compliance and apply AI/agents to accelerate engineering and operations.

Lead product vision and multi-year strategy for developer infrastructure across the code lifecycle. Own roadmap for CI/CD, release automation, testing, deployments, and production readiness; drive migrations to simplify systems, measure quality with scorecards, partner with Engineering/SRE/Security, and integrate emerging (AI) capabilities to improve developer velocity and reliability.

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.

Lead strategy and execution for AI-powered risk automation products. Identify automation opportunities, define product requirements, partner with ML/data/engineering/design, run experiments, set metrics for accuracy, safety, and reliability, and drive cross-functional launches to improve decision quality and operational efficiency.

As a Technical Marketing Manager, you will handle marketing for AppSec, AI/ML Security, and Research, creating content, managing social media, and running demand generation campaigns with a focus on community engagement and analytics.

The Data Engineer will build and manage scalable data pipelines and databases, collaborate on architecture, and drive data systems towards real-time capabilities in a fast-paced, innovative environment.

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

The Crypto Trader role involves executing trades, analyzing market data, managing risks, and developing trading skills in a supportive environment with full training provided.

Provide on-site document production and office services for a legal office: operate copiers/scanners/bindery equipment, perform OCR and electronic file management, handle mail/shipping, maintain records and inventory, troubleshoot equipment, support reception and hospitality, perform quality control, and assist with facility tasks. Must handle confidential, time-sensitive legal documents and lift up to 50 pounds.