Backend Engineer jobs in Los Angeles, CA

The engineer will design and maintain intelligent customer placement, auto-balancing, and autoscaling systems for a large-scale multi-tenant data platform. They will also lead technical strategy, drive operational rigor, and collaborate with cross-functional teams to ensure system reliability and performance.

You will own and scale backend systems powering user experiences across API and product platforms while leading complex, multi-month technical projects. You will drive alignment across research and product teams to translate frontier model improvements into robust, scalable, and user-centric software solutions.

Design, develop, and maintain backend services, APIs, and cloud infrastructure to support AI-driven applications and simulation environments. Collaborate with AI researchers to integrate backend systems with machine learning workflows and ensure system reliability.

Design, implement, and operate critical, scalable backend services including user identity, friend graph, and persistence layers. Collaborate across teams to evaluate product requirements and deliver high-quality, secure, and performant solutions.

You will lead the architecture and delivery of live video systems, including ingest, transcoding, and playback, while building scalable backend services. Additionally, you will drive vendor evaluations, establish observability practices, and mentor engineers to ensure high-quality, reliable streaming experiences.

Lead the architecture and delivery of complex Fanatics Live initiatives, building scalable systems for live commerce, discovery, community interaction, and transactions. Stay hands-on in implementation and production support while setting technical standards, improving reliability and performance, mentoring engineers, and aligning teams and stakeholders.

You will design, build, and maintain critical infrastructure systems while collaborating with cross-functional teams to deliver high-quality code. The role involves debugging complex production issues and participating in roadmap planning to improve system reliability and developer productivity.

Design, build, and maintain scalable backend services and infrastructure to support mission-critical security systems. Collaborate with cross-functional teams to implement secure, high-performance APIs and data handling solutions.

Develop, release, and maintain large-scale backend services and infrastructure to support a global three-sided marketplace. Collaborate cross-functionally to define technical architecture and transition monolithic systems to a microservice-based model.

You will design and implement backend services and APIs to power critical product capabilities across Rippling's multi-product platform. Additionally, you will build secure, scalable systems for complex workflows involving permissions, financial operations, and AI-powered automation.

You will design, develop, and maintain scalable backend services and autonomous AI agents to support financial and operational workflows. Additionally, you will lead system design decisions, mentor junior engineers, and ensure the performance and reliability of production-grade AI platforms.

Design, build, and scale core backend services and APIs to power an AI-driven logistics platform. Develop resilient data pipelines and ensure system reliability through proactive monitoring and testing.