Top Tech Jobs & Startup Jobs in Los Angeles, CA

Design and iterate user interfaces and experiences through research, wireframes, prototypes, and high-fidelity mockups. Maintain design systems, collaborate with product and engineering, run usability testing, and present design rationale. Incorporate user feedback and analytics to improve product usability and consistency.

Provide first-line IT support for Macs, Windows, mobile devices and cloud apps. Troubleshoot hardware, software, networking and audiovisual issues, document tickets, escalate when needed, manage setups/terminations, support remote offices, and recommend/upkeep hardware and system changes to ensure smooth IT operations.

Concept, script, and direct paid social video ads to drive customer acquisition. Lead on-set production, direct talent, collaborate with editors and production teams, analyze performance data, and use AI tools to ideate and optimize videos.

Create short-form and long-form marketing videos and motion graphics for social platforms and other channels. Edit raw footage into polished narratives, design complex motion graphics, collaborate with producers and story teams, optimize ads quickly using data-driven decisions, manage multiple projects, and ensure technical and creative quality using industry-standard Adobe tools.

The Video Editor will create engaging marketing videos for pet health products, ensuring high-quality visuals, motion graphics, and adherence to project goals. They will collaborate with teams, manage multiple projects, and stay updated with industry trends.

Manage go-to-market initiatives end-to-end: create and maintain project timelines, track budgets and assets, coordinate cross-functional stakeholders, manage event logistics, and provide status reporting to senior leadership to ensure timely, compliant campaign execution.

The Territory Account Executive will engage with sellers in various sectors, selling Square products, generating leads, and building relationships. The role is focused on in-person sales and requires collaboration with internal teams to ensure successful seller onboarding and support.

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.

The F&I Risk Management Consultant supports automotive dealerships by ensuring compliance with industry regulations through audits and training, aiming to minimize risk and increase profitability for clients.

As a Product Owner, you will manage schedules, budgets, and technical oversight of subsystem deliverables, ensuring quality hardware delivery and optimizing production capacity.

The Integrated Program Operations Project Specialist will manage project execution, ensure product delivery, and oversee cross-functional operations across programs for satellite development.

Manage biweekly US payroll in Workday, validate earnings/deductions/taxes and garnishments, ensure multi-state compliance, support audits and year-end W-2s, troubleshoot Workday-ADP integrations, reconcile variances, produce payroll reports, document processes, and drive payroll process improvements.

The role involves analyzing fraud and risk data, defining KPIs, collaborating on anti-fraud strategies, and creating tools and dashboards for data accessibility at Whatnot.

As a Data Engineer at Whatnot, you'll design data architectures, implement data workflows, ensure data quality, and support analytics across teams.

The Staff RF Electrical Engineer will define RF system architecture for spacecraft, develop performance tools, and mentor engineers while leading multi-team projects to enhance program outcomes.

As a Senior Flight Software Engineer, you will develop software for spacecraft systems, integrating algorithms, and maintaining databases essential for space missions. You'll work through design to flight implementation, collaborating on software and hardware simulations.

As a Principal RF Electrical Engineer, you'll architect multi-mission RF systems, define communication strategies, mentor senior engineers, and represent the company's RF capabilities externally.

The Staff Accountant will manage point-of-sale transactions, reconcile accounts, prepare journal entries, and support month-end close while collaborating with finance and stakeholders.