Top Tech Jobs & Startup Jobs in Los Angeles, CA

Own Treasury’s data architecture and hands-on development of a Snowflake liquidity datamart. Build integrations, data models, reconciliation logic, data quality controls, forecasting datasets, and production pipelines. Partner with Treasury, Accounting, and machine learning engineers; lead Treasury Management System build-versus-buy recommendations; and operate reliable, controlled data systems through adoption. The role also includes automation, monitoring, incident response, and reducing manual reconciliation and investigation.

Leads global ecosystem partnership strategy and commercialization across Cash App, Afterpay, and Square. Builds zero-to-one partnership models, evaluates investments and unit economics, negotiates complex agreements, coordinates product and engineering integrations, and scales successful opportunities globally. Owns portfolio performance, executive relationships, cross-functional priorities, and repeatable partnership practices. Requires deep payments or fintech expertise, strong commercial judgment, and experience influencing senior stakeholders without formal authority.

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.

Staff Software Engineer responsible for building and operating Block’s card issuing platform at the network boundary. The role requires deep expertise in card networks, ISO 8583, authorization and clearing flows, certifications, mandates, and direct network connectivity. Responsibilities include writing production code, developing conformance tooling, debugging protocols, leading cross-team technical initiatives, influencing network requirements, mentoring engineers, supporting AI-assisted development, and participating in on-call operations for critical financial systems.

As a Senior Software Engineer on the Cash App Banking team, you will lead the design, execution, and delivery of banking features, collaborating across teams to enhance the user experience.

Build and deploy agentic and generative AI copilot and autopilot systems for risk and compliance automation. Own end-to-end ML systems, including data integrations, prompt tuning, orchestration, evaluation, productionization, monitoring, and transformer-based model development. Collaborate with product, engineering, platform, and operations teams to improve fraud detection and analyst productivity. Drive strategic roadmaps and cross-functional programs with significant business impact.

Own end-to-end analytics pipelines for AI usage, developer experience, engineering productivity, and spend. Instrument telemetry, build governed ETL workflows, define trusted metrics, and create executive dashboards and visual narratives. Analyze results, recommend improvements to AI ROI and developer experience, and communicate methodology to senior stakeholders. Collaborate across data engineering, applied AI, and data science while using AI coding agents to build, test, and maintain production data systems.

Leads strategic finance for Commerce go-to-market, partnering with revenue leaders on annual planning, forecasting, performance management, investment analysis, resource allocation, and commercial strategy. Builds driver-based financial models connecting sales and operational metrics to financial outcomes, evaluates investments across commercial functions, prepares executive materials, and manages finance team members.

Build and operate a scalable data platform supporting warehousing, orchestration, business intelligence, governance, and agentic workflows. Develop Python services, Terraform infrastructure, and developer tools for petabyte-scale data. Partner with data practitioners and product teams, establish security and reliability patterns, set technical direction, improve engineering standards, and mentor engineers.

Lead Block’s global Workforce Optimization function across customer-facing and regulated operations. Establish strategy for forecasting, capacity planning, staffing, real-time management, analytics, automation, and vendor governance. Build predictive workforce systems, align operational and financial plans, manage risk and compliance capacity, oversee incidents and escalations, and develop a multidisciplinary global team supporting employees, outsourced partners, and AI systems.