Top Blockchain Jobs in Los Angeles, CA

Build infrastructure and tooling for AI evaluation, including distributed execution, task-set validation, graders, human-review calibration, statistical reporting, online feedback loops, and offline-to-online analysis. Partner with product, engineering, data, and ML teams to create reliable evaluation workflows that support faster, statistically sound AI product decisions.

Graduate research interns will own end-to-end projects to build customer world models and proactive intelligence: developing representation learning, foundation model, RL/agentic methods, evaluation frameworks, and shipping research into production to improve customer decision-making.

Provides embedded compliance guidance for Square product teams, leading product compliance reviews, risk assessments, control evaluations, testing, monitoring, issues management, audits, regulatory change management, and remediation. Partners with Product, Engineering, Design, Legal, Risk, and international teams to translate regulations into practical controls, maintain compliance inventories, manage examinations, and report compliance metrics.

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.

Graduate research interns will own end-to-end projects developing customer world models and proactive intelligence. Work spans representation learning, foundation models, reinforcement learning, agentic decision systems, and evaluation. Tasks include designing methods, running experiments, publishing findings, and potentially shipping models into production to impact customer-facing products.

Supports the Chief Compliance Officer/BSA Officer in building and administering a federally supervised trust bank’s compliance management and BSA/AML programs. Responsibilities include AML controls, customer due diligence, transaction monitoring, OFAC sanctions, wallet screening, digital asset typologies, compliance testing, issue remediation, regulatory change management, OCC examination readiness, audits, and Board reporting.

Build infrastructure and tooling for AI evaluations, including distributed scoring engines, task-set validation, grader systems, human-review calibration, statistical leaderboards, online feedback capture, and offline-to-online evaluation loops. Partner with product, engineering, data, and ML teams to deliver reliable, observable evaluation workflows that support faster and more trustworthy AI product development.

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.

Manage AWS and GCP cloud environments, scale infrastructure globally, shape technical architecture, and build reliable CI/CD pipelines. Automate security and compliance controls, improve infrastructure performance, and develop systems interacting with smart contracts across multiple blockchains. The role requires Terraform, shell scripting, GitHub Actions, Docker, production cloud operations, and observability experience, with Kubernetes, networking, and fintech compliance knowledge preferred.

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.

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.

Build and own Lightspark’s internal AI and data platform, including agent infrastructure, MCP servers, tool integrations, governed data, sandboxed execution, and production pipelines. Partner with Finance, Sales Ops, Compliance, and other teams to replace manual workflows with reliable systems. Extend dbt and cloud data warehouse infrastructure, support monitoring and data reliability, and improve engineering tooling. The role requires production experience with AI agents, LLM APIs, internal platforms, and TypeScript/Node.js or Python.

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