Top Senior Level Software Engineer Jobs in Los Angeles, CA

Design Engineer will rapidly prototype and iterate mobile products (primarily iOS), build tooling and internal systems, collaborate with designers, PMs, and engineers to drive product strategy, test with researchers, and ship polished experiences to hundreds of millions of users. Role involves presenting work to leadership and occasionally prototyping on web, AR, and AI platforms.

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.

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.

Design and build core services for Metropolis Web Services, focusing on distributed systems. Collaborate with multiple technical teams and mentor engineers. Architect scalable systems and establish operational standards for high reliability and performance.

Lead and grow a software engineering team owning delivery, quality, and operational health. Provide technical oversight for architecture and code quality, drive planning and execution cadence, adopt AI-assisted development tooling, recruit and onboard engineers, remove blockers and manage cross-team dependencies, and partner with product and design to deliver high-impact work.

Leads the Insurance Product Configuration and Enrollment Platform Core, managing engineering managers and 20–30 engineers. Owns technical vision, distributed systems architecture, delivery commitments, operational excellence, testing strategy, partner implementations, and cross-team interfaces. Develops engineering leaders, manages hiring and vendors, and drives adoption of AI-augmented development tools and practices. Ensures scalable, secure, reliable platform services while balancing contractual delivery dates with long-term platform maintainability.

Maintain and improve GameChanger's backend API server and SDK. Implement API/SDK changes, improve developer ergonomics, optimize performance and scalability, design critical systems, document and mentor teammates, and participate in on-call rotation.

Lead enterprise B2B integration projects for strategic customers using APIs, webhooks, connectors, cloud services, and scalable integration architectures. Gather requirements, design technical solutions, develop and review code, document best practices, troubleshoot implementations, and support customer deployments. Collaborate with product, sales, systems engineering, and developer ecosystem teams while managing complex projects and multiple stakeholders. Apply Python, cloud platforms, LLM-based tools, agentic workflows, databases, and modern Agile practices.

The Senior Software Engineer will lead projects for the Forms platform, designing and building features across web, mobile, and backend systems while mentoring other engineers and improving platform scalability and reliability.

Build and own full-stack services and APIs enabling businesses to offer and manage 401(k) plans. Design scalable features, evolve system architecture, establish engineering best practices, collaborate with product, design, compliance, and operations, debug production issues, and improve reliability, observability, and operational tooling. The role requires end-to-end system ownership, production support, and cross-team technical influence.