Top Staff Software Engineer Jobs in Los Angeles, CA

Build and evolve large-scale infrastructure, tooling, and automation for Riot’s engineering teams. Design systems that reduce toil, improve deployment workflows, and leverage AI capabilities such as bots, agents, and MCP servers. Partner with stakeholders and senior leadership, improve engineering standards, mentor teammates, and promote reliable, high-quality software across distributed systems, cloud platforms, containers, and Kubernetes.

Leads the architecture and development of Greyspace, a realistic simulated internet for cyber ranges. Designs distributed services, APIs, orchestration, networking behavior, isolation boundaries, and operator workflows. Builds and reviews production software, validates DNS, TLS, web, and mail services, and ensures reliability through testing, observability, performance validation, recovery procedures, and deployment readiness. Partners across Product, Security, infrastructure, and engineering teams while mentoring engineers and driving technical standards.

Lead technical strategy and execution for multi-quarter initiatives, build and maintain software systems using AI, mentor and elevate engineers, collaborate across disciplines, and protect user privacy and security. The role involves working in an AWS and Kubernetes environment with technologies including Python, TypeScript, React, Go, Airflow, dbt, and Claude Code.

Leads architecture and technical direction for scalable, high-availability software services. Owns complex, multi-team initiatives, makes autonomous technical decisions, partners cross-functionally, mentors engineers, establishes standards, and advocates for quality. The role develops mission-critical systems supporting millions of endpoints and requires deep Java expertise, scalable system design, API development, relational databases, and strong testing practices.

Lead front-end architecture and cross-team technical initiatives for the NodeZero platform. Build scalable React and TypeScript systems, reusable components, developer tooling, and shared frameworks while improving performance, reliability, accessibility, observability, and CI/CD workflows. Mentor engineers, establish engineering standards, guide technical strategy, reduce technical debt, and collaborate with Product, Design, Platform, Security, and engineering teams.

Design, build, and operate high-throughput, low-latency ad-serving infrastructure processing millions of requests per second. Optimize GPU-powered TensorRT inference, feature stores, model serving, benchmarking, experimentation tooling, and system reliability. Partner with machine learning engineers to productionize models and own systems through design, deployment, observability, capacity planning, incident response, and optimization.

Lead the technical evolution of Kilo Code, a large-scale VS Code AI coding extension. Responsibilities include setting architecture and performance direction, building advanced AI-assisted workflows, optimizing startup time and memory usage, driving cross-team initiatives, mentoring engineers, owning production delivery, and establishing engineering standards for context optimization and LLM workflows. The role partners with Product and Design to shape roadmaps and requires hands-on technical leadership across a mature codebase serving millions of users.

Leads architecture and development of highly available, distributed backend systems supporting Airbnb’s AirCover insurance platform. Owns policy, coverage, enrollment, regional rules, experimentation, and scalable multi-region capabilities. Partners with product, data science, legal, and engineering teams; analyzes conversion data; ensures auditability, privacy, reliability, and data integrity; mentors engineers; and applies emerging technologies such as LLMs where beneficial.

Lead architecture and reliability for a high-scale alerting platform. Design rule-based, ML-driven, and correlated detection systems; own Kafka-based event delivery, webhook reliability, idempotency, and sustained-load performance. Transform security and network telemetry into topology and dependency models that support LLM-assisted investigation and remediation. Provide cross-team technical leadership, mentor engineers, and guide long-term platform strategy across multiple alerting teams.

Design and build the core vCluster Platform using Go and deep Kubernetes expertise. Own backend features end to end, from technical design through release, while solving complex systems architecture challenges involving networking, storage, isolation, and resource sharing. Contribute to open-source projects and the Kubernetes community, operate autonomously in a high-growth startup, and help define scalable Kubernetes multi-tenancy solutions.

Staff Backend Engineer responsible for building data and machine learning systems that provide competitive travel-market intelligence. The role involves setting technical strategy, designing APIs and backend architecture, prototyping solutions, partnering with product and ML engineers, conducting design and code reviews, driving engineering best practices, and mentoring junior engineers.

Staff Software Engineer responsible for architecting and delivering backend-focused member and care team experiences. The role partners with product and clinical teams, sets technical direction, builds scalable and secure systems, maintains high-quality tested code, mentors engineers, and guides architecture across the stack. Responsibilities include API design, cloud infrastructure, CI/CD, observability, and thoughtful use of AI-assisted development tools.

Develop and operate Airbnb’s large-scale cloud infrastructure platform, including Kubernetes, developer APIs and CLIs, autoscaling, capacity management, and cloud automation. Build secure, reliable, scalable, and highly available distributed systems using public cloud technologies. Optimize existing infrastructure, improve performance and operational efficiency, troubleshoot production systems, and collaborate across engineering teams and open-source communities.

Staff Software Engineer responsible for setting technical direction, architecting scalable distributed systems, shipping high-impact features, and building AI-powered tools for a virtual healthcare platform. The role includes mentoring engineers, partnering with product and clinical leadership, translating user needs into technical solutions, and guiding frontend and backend application development in a fast-paced startup environment.

Develop and deploy full-stack applications supporting purchasing, manufacturing planning, scheduling, test-data analysis, and factory operations. Lead the software development lifecycle, collaborate with non-software stakeholders to define requirements, apply agile and continuous delivery practices, solve complex problems, and mentor engineers. The role involves building scalable platforms across front-end, services, analytics, industrial automation, and AI capabilities.

Lead console development for an unpublished game. Collaborate across teams, solve technical problems, optimize performance, and mentor new engineers.

Own and build Hercules’ billing, payments, subscriptions, usage-based billing, monetization, and commerce infrastructure. Integrate payment providers, support currencies and payment methods, and design reliable, low-latency systems with webhook processing, retries, reconciliation, and scalable usage metering. The role requires strong system design, architecture, data modeling, API design, code quality, product judgment, and proficiency with Hercules’ TypeScript-based stack, including React, Postgres, Redis, containers, and Temporal.

Lead development of Hercules's AI-focused platform-as-a-service, including its database-like object model, backend services, APIs, SDKs, hosting infrastructure, and distributed systems. Build reliable, scalable, multi-tenant services with strong isolation, observability, resilience, low latency, and high throughput. Apply advanced Rust, data systems, architecture, API design, performance optimization, and AI-assisted development skills.

Own growth across the customer journey, including landing-page conversion, activation, paid conversion, retention, expansion, and monetization. Build and optimize product experiences, run A/B experiments, analyze results with SQL, and identify high-impact revenue opportunities. Develop scalable software using TypeScript, React, Postgres, Redis, and related technologies while applying AI to accelerate engineering workflows.

Build and maintain scalable infrastructure for AI agents, app building, hosting, SDKs, and an enterprise platform. Design distributed, multi-tenant, data-intensive services; develop clean, maintainable code in monorepos; and independently ship customer-impacting changes. The role uses TypeScript, React, containers, Postgres, Redis, Temporal, and related cloud and AI technologies. Candidates should demonstrate strong system design, architecture, data modeling, API design, product sense, and advanced AI-assisted development skills.

Build and own user-facing features across Hercules’ AI Agent, App Builder, SDK, mobile app, and platform. Design scalable systems, APIs, data models, and high-quality code in a monorepo. Ship SaaS capabilities such as billing, analytics, feature flags, internationalization, and notifications. Apply strong product and UX judgment while working with TypeScript, React, Postgres, Redis, cloud infrastructure, and frontier AI coding tools.

Build and own full-stack features across Hercules’s AI agent, app builder, hosting infrastructure, SDK, platform, and internal AI coding harness. Design scalable systems, APIs, data models, and SaaS capabilities including billing, identity, analytics, and notifications. Write maintainable code in monorepos, ship customer-facing features independently, and work with TypeScript, React, Postgres, Redis, Temporal, cloud infrastructure, and AI development tools.

Build and own user-facing frontend interfaces across AI agents, app-building tools, mobile PWA experiences, and marketing pages. Responsibilities include frontend architecture, system design, data modeling, API design, maintaining high-quality monorepo code, independently shipping customer features, and delivering polished UX/UI. The role requires strong TypeScript and React expertise, familiarity with AI coding workflows, and ideally experience with containers, Postgres, and Redis.

Lead the technical direction of Elixir/OTP distributed systems for a spacecraft ground-control platform. Responsibilities include defining architecture and roadmaps, leading cross-functional initiatives, improving reliability and scalability, establishing testing and engineering standards, managing incidents, influencing product strategy, documenting systems, and mentoring engineers and emerging technical leaders.

Develop and maintain C++ systems for Teamfight Tactics on iOS and Android using Unreal Engine. Diagnose cross-platform, engine, and native mobile issues; optimize performance, memory, stability, and reliability; and influence architecture, engineering practices, tooling, testing, and release processes. Collaborate with multidisciplinary teams, provide technical leadership, mentor engineers, and participate in on-call support.