Top Tech Jobs & Startup Jobs in Los Angeles, CA

The Solutions Engineer collaborates with Sales and Partnerships, integrating Square's platform with sellers, providing technical guidance, and offering white-glove support for strategic clients.

Manage and grow a portfolio of SMB Food & Beverage merchants by driving product adoption, upselling, retention, and acting as a trusted advisor. Advocate for merchant needs internally and collaborate with Sales, Support, and Product to improve customer outcomes and revenue.

Manage and grow a mid-market portfolio for Cash App and Afterpay, driving post-sales revenue through expansions, renewals, and strategic account plans. Build executive relationships, lead cross-functional initiatives, negotiate deals, and use data-driven insights to increase retention and gross profit across merchants.

As a Business Development Representative Associate, you will manage a pipeline of businesses, conduct outreach through cold calling and emails, and promote Square's solutions to drive sales. This entry-level position offers opportunities for career growth and skill development in a fast-paced environment.

Field-driven territory sales role responsible for generating and closing pipeline through in-person outreach and demos. Build local partnerships, master verticals (restaurants, retail, services), manage Salesforce pipeline, exceed quota, and ensure fast onboarding and customer referrals.

Design, deploy, and maintain end-to-end ML-driven risk solutions at scale to detect and prevent fraud, abuse, and credit risk. Lead technical decisions, build ML tooling and processes, apply state-of-the-art models and third-party data, investigate emerging risk patterns, and collaborate with platform and cross-functional teams to ensure reliable real-time model operation.

The Senior Site Reliability Engineer will enhance reliability of Block's platform, improve incident response using AI tools, and coordinate incident management. Responsibilities include building reliable systems, standardizing tools, and leading high-severity incidents during on-call rotations.

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.

Drive post-silicon bring-up, characterization, qualification, and productization of advanced-node bitcoin mining ASICs from first silicon to mass production. Develop and maintain ATE test programs and screening strategies, perform PVT characterization and DOE, analyze wafer/package/ system data to improve correlation, yield, and system performance, and collaborate with foundry, OSAT, design, firmware, and manufacturing partners to implement corrective actions and production-ready processes.

In this role, you will lead AI personalization initiatives, develop AI/ML models for user experience, collaborate across teams, and ensure rigorous development practices.