Top Tech Jobs & Startup Jobs in Los Angeles, CA

As a Senior People Business Partner at Whatnot, you'll partner with tech leaders to drive people strategy, improve team effectiveness, and shape people programs to support growth and engagement.

Lead and manage software engineering teams: run agile processes, design and ship secure scalable APIs and services, guide architecture, manage technical debt, recruit and mentor engineers, and align work with company objectives.

The Helpdesk Support Specialist provides technical support for PC/MAC and mobile devices, manages helpdesk queues, troubleshoots network issues, and ensures customer service. Responsibilities include application and telecom support, maintaining cybersecurity compliance, and inventory monitoring.

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.

Drive partner and merchant integrations, design technical solutions, collaborate with teams, and provide technical advice as a leading solutions engineer.

The Senior Support Engineer leads high-impact technical escalations, mentors team members, and advocates for customer solutions while driving innovations in service delivery through AI and automation.

The Account Development Representative interacts with leads to explain solutions and qualify them into sales opportunities, while collaborating with the sales and marketing teams.

The Sales Development Representative will help build the Sales Development function, drive outbound prospecting, respond to inbound leads, and maintain CRM excellence while refining outreach effectiveness.

Lead and scale a team of front-line sales leaders and account executives for large enterprise accounts ($500M+), drive land-and-expand strategy, forecast and maintain Salesforce hygiene, partner cross-functionally, coach managers and reps, support complex deal negotiations, and apply AI to improve efficiency and outcomes.

Lead development and continuous improvement of EHS safety management systems and DriveSafe program. Oversee driver scorecards, performance analytics, dashboards, and ad hoc reporting. Partner with EHS, operations, IT, and leadership to align systems, ensure data governance, drive projects, implement EHS technologies, train users, support compliance, and use data-driven insights to reduce incidents and improve safety outcomes.

Lead electrical architecture, design, test, integration, and manufacturing for next-generation AR airborne systems. Derive subsystem requirements, perform trade studies, prototype and verify designs, produce documentation, mentor the electrical team, and ensure compliance with military environmental and EMI/EMC standards.