Top Tech Jobs & Startup Jobs in Los Angeles, CA

Build and operate highly reliable card-issuing software and tooling across authorization, clearing, settlement, certification, and network integrations. Serve as a technical expert on card-network specifications, protocols, mandates, and production behavior. Lead complex cross-team engineering work, debug protocol-level issues, influence network requirements, mentor engineers, improve platform reliability, and participate in on-call support for critical financial systems.

Lead global ecosystem partnerships for Block’s Square, Cash App, and Afterpay products. Develop partnership strategies, build executive relationships, design scalable programs, negotiate commercial agreements, and commercialize B2B and B2B2C payment products through third-party platforms. Own partner performance, drive integrations and distribution, and collaborate with Product, Engineering, Sales, Marketing, Finance, Compliance, and Legal teams to maximize growth and reach.

Analyze product, customer, risk, and support data to guide decisions across Block’s platforms. Own metrics, forecasting, staffing models, experiments, visualizations, and measurement frameworks. Evaluate risk models and policies for performance, bias, and drift; use AI tools and agent workflows to improve analytical execution. Partner with product, engineering, and risk stakeholders, lead technical standards, build reusable tooling, mentor data scientists, and contribute to hiring.

Build and operate production machine learning systems for ranking, retrieval, recommendations, search, propensity, churn, LTV, and next-best-action decisioning. Design reliable signal contracts covering freshness, provenance, confidence, eligibility, and calibration. Lead feature pipelines, model serving, experimentation, monitoring, and feedback loops while evaluating fairness, risk, compliance, trust, and long-term customer impact. Collaborate across product, growth, data, platform, modeling, risk, and compliance teams.

Build and operate GRC data pipelines, integrations, policy-as-code, continuous control monitoring, evidence automation, and agentic AI workflows. Normalize security data from diverse systems, create auditable evaluation harnesses, govern AI systems, and define technical direction across teams. Partner with security governance, compliance, and engineering groups to transform manual governance processes into scalable products.

Lead Block’s global tax planning and controversy agenda, including international and U.S. tax strategy, transfer pricing, M&A taxation, legal-entity structuring, tax audits, examinations, disputes, and transaction negotiations. Advise senior leadership on tax implications, partner with Legal, Treasury, Corporate Development, and finance teams, monitor legislative developments, and ensure tax positions are reflected in reporting and compliance. Build high-performing teams and represent Block before domestic and foreign tax authorities.

Own the architecture and technical strategy for Square’s go-to-market technology stack. Build and operate production AI agents, automated workflows, and integrations that improve sales productivity. Lead complex technical initiatives, establish AI reliability and security guardrails, define evaluation metrics, and guide build-versus-buy decisions. Partner with Sales, Product, Data, and Engineering leaders while mentoring engineers and remaining hands-on across design, implementation, testing, deployment, and operations.

Build and operate Block’s data platform, including warehousing, orchestration, business intelligence, governance, and agentic workflows. Develop reliable Python services, developer tools, and Terraform infrastructure for petabyte-scale data. Partner with data practitioners and product teams, establish engineering standards, provide technical direction, and mentor engineers while ensuring security, reliability, observability, usability, and data governance.

Own and scale enterprise compensation programs, including salary structures, equity, geo-pay, promotions, focal cycles, and incentives. Design compensation governance, policy guardrails, delegation frameworks, automated workflows, AI-assisted self-service tools, and centralized reporting. Advise senior leaders on talent-market positioning, pay equity, and organizational design while partnering with Compensation Operations, data, tooling, and peer program leads.

Leads Legal Innovation & Operations strategy, including legal technology roadmaps, systems optimization, automation and AI initiatives. Oversees CLM, eBilling, knowledge management, and workflow platforms; manages budgets, vendors, and third-party spend; and delivers cross-functional projects with Legal, IT, Finance, Policy, and business teams. The role translates business needs into technology solutions and drives operational excellence through process improvement and data-driven insights.