Top Software Engineer Jobs in Los Angeles, CA

As a Senior Software Engineer, you will design and implement EHR integrations, develop API integrations, mentor junior engineers, and build scalable systems for healthcare interoperability.

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

Build and ship high-quality messaging features for Snapchat iOS. Improve reliability, latency, and performance of chat and media delivery. Collaborate with product, design, and backend teams, instrument and A/B test features, and maintain code quality, testing, and observability for a large-scale iOS codebase.

Build and maintain People-team backend services and automations: design scalable solutions, integrate AI/LLM APIs, create middleware and chatbot integrations (Slack, Workday, Jira), automate HR workflows, deploy cloud services, and mentor junior engineers while ensuring operational excellence and testing.

Design, build, and operate AI-powered testing tools, agent harnesses, Temporal-based workflows, and telemetry/evaluation systems to improve CI/CD reliability and developer productivity across Snapchat's mobile and multi-cloud backend services. Lead cross-team initiatives, ensure availability and scalability, and mentor engineers.

Leads multiple software engineering teams developing and scaling B2B SaaS products. Oversees engineering managers and technical teams, drives product delivery and quality, promotes CI/CD, DevOps, automated testing, and lean practices, and partners cross-functionally with product, design, sales, marketing, and leadership. Responsibilities include recruiting, retaining, mentoring, and developing engineering staff while improving engineering processes, culture, and innovation.

Own and architect a space-based storage platform spanning Linux kernel drivers, NVMe recovery, ZFS pool design, NFS serving, and automated fault recovery. Develop radiation-resilient storage systems, reliability models, fault-injection tests, and integration between drivers and filesystems. Prototype on commodity hardware, validate sustained high-throughput operation, and carry the architecture through platform integration and launch.

Lead development of satellite ground real-time software as technical lead: design, code, test, review, mentor engineers, collaborate across integrated product teams, and guide software standards and lifecycle practices for defense satellite systems.

Lead design and build of an AI-powered, spec-driven development platform: evaluate frameworks, architect end-to-end tooling, integrate with CI/CD and Kubernetes, partner with DevOps, MLE, and Security, instrument adoption and velocity metrics, and drive org-wide rollout and training to enable non-engineers to author specs.

The Data Engineer III will design, implement, and optimize data services, ensuring they meet business needs and drive automation and best practices across Crunchyroll's data environments.

Lead design and delivery of scalable budgeting and pacing infrastructure. Build and maintain high-performance Java production systems, collaborate with engineering and product teams, apply data-driven decision making, and ensure reliability, observability, and continuous improvement of distributed systems.

Lead strategy, development, and optimization of corporate web properties. Manage front-end team, contractors, and agencies; drive CRO, SEO, analytics, governance, and global web roadmaps. Translate designs into performant Vue/Nuxt implementations, enforce accessibility/security standards, and collaborate cross-functionally to improve engagement and pipeline.