Top Staff Engineer Jobs in Los Angeles, CA

Leads technical initiatives for Toast’s restaurant scheduling product, designing and delivering scalable full-stack software. Responsibilities include architecture, API and system design, roadmap influence, cross-functional collaboration, engineering quality, performance, and technical leadership. The role also promotes AI-assisted development and improved employee and customer experiences.

Leads technical execution for Guidance, Navigation, and Control systems on the Sentinel program. Owns critical issues from identification through closure, directs root-cause investigations, resolves hardware and software problems, and coordinates IPTs, design reviews, MRBs, FRBs, testing, and customer interfaces. Provides technical recommendations affecting schedule, cost, risk, and performance while validating GNC capabilities against requirements. Requires extensive GNC engineering experience, active Top Secret clearance, U.S. citizenship, and eligibility for SAP approval.

Architect, build, and optimize a full-stack platform using React.js, Node.js, GraphQL, REST APIs, and SQL databases. Lead technical decisions, performance optimization, observability, testing strategies, and cloud-based deployments. Mentor engineers, conduct design reviews, evaluate technologies, and drive initiatives across multiple teams while collaborating with product, QA, customers, and leadership.

Lead and contribute to the design, development, and delivery of scalable enterprise software platforms. Responsibilities include creating proofs of concept, designing microservices and APIs, optimizing performance, participating in architecture discussions and code reviews, supporting CI/CD automation, resolving complex issues, mentoring developers, and collaborating with business and technology leaders. The role also applies cloud, Generative AI, and Agentic AI capabilities to digital healthcare products.

Leads technical strategy and architecture for a scalable advertising platform supporting video, server-side advertising, connected TV, programmatic advertising, and new ad formats. Designs distributed systems, evaluates ad technologies, improves reliability and observability, partners across engineering and product teams, mentors engineers, and guides long-term technical investments and roadmaps.

Staff Software Engineer responsible for designing scalable distributed systems and full-stack web applications supporting provider acquisition, onboarding, and marketplace supply growth. The role leads cross-team technical initiatives, shapes engineering strategy, mentors developers, and delivers provider-facing products from discovery through post-launch support. Experience with AI-assisted development workflows and technologies such as Node.js, React, TypeScript, Kafka, AWS, Docker, and Kubernetes is valued.

Lead the architecture and delivery of GitLab’s data products, including near-real-time data ingestion, knowledge graph integrations, data marketplaces, observability, and data-sharing APIs. Translate ambiguous 0-to-1 initiatives into roadmaps, resolve cross-team dependencies, ensure operational readiness across deployment surfaces, and mentor engineers. The role requires deep full-stack expertise, technical leadership, and experience with AI-powered orchestration and multi-tenant SaaS systems.

Design, implement, operate, and improve highly available backend services and distributed systems at significant scale. Collaborate across teams to deliver product solutions, test and debug code, and promote availability, scalability, operational excellence, security, and cost management. Investigate incidents, provide technical leadership, and use AI-assisted engineering workflows while maintaining production-quality standards.

Leads end-to-end development of a wideband UHF radar sounder and radiometer for a Mars orbiter. Owns system design, performance and power budgets, waveform and signal-processing implementation, hardware prototyping, calibration, qualification, spacecraft integration, testing, spectrum coordination, and commissioning. Partners closely with scientists to align instrument capabilities with mission objectives while coordinating RF, digital, power, mechanical, firmware, and software teams.

Build and own AI-assisted development infrastructure, including autonomous cloud development environments, MCP integrations, agent documentation, internal tooling, and enablement programs. Improve how engineering teams use AI coding agents across the organization, drive cross-team adoption, and stay current with AI productivity trends. The role requires strong software engineering, developer tooling, cloud infrastructure, CI/CD, and application development experience.

Leads manufacturing process development and production launch for nuclear reactor assemblies. Responsibilities include DFM/DFA, assembly process flows, tooling and equipment development, manufacturing documentation, mBOMs, configuration control, readiness reviews, floor troubleshooting, cross-functional collaboration, and mentoring engineers. The role supports hardware from engineering release through prototype, qualification, final integration, and scalable production while meeting rigorous quality and traceability requirements.

Leads systems engineering integration for the Sentinel weapon system, serving as technical lead for external mission integration threads. Oversees technical content, interface resolution, integration test planning and execution, verification and validation, requirements analysis, risk management, and engineering artifacts. Provides customer liaison, technical oversight, mentoring, and coordination across engineering teams, government stakeholders, suppliers, and testing facilities.

Designs, integrates, analyzes, prototypes, tests, and qualifies ruggedized mechanical systems for aerospace and defense applications. Responsibilities include CAD modeling, detailed drawings, structural and thermal analysis, trade studies, design reviews, system integration, environmental qualification, production transition, configuration control, and field sustainment. The engineer collaborates across mechanical, electrical, RF, manufacturing, systems engineering, suppliers, and customers while mentoring junior engineers.

Leads the architecture, design, analysis, verification, qualification, production transition, and sustainment of high-speed digital circuit cards and subsystems for aerospace and military applications. Provides technical leadership on PCBAs, signal and power integrity, FPGA and processor interfaces, EMI/EMC, hardware integration, troubleshooting, and failure analysis. Mentors engineers and coordinates cross-functional teams while interfacing with customers, suppliers, and program leadership.

Leads the design and integration of high-reliability, high-speed digital electronics for aerospace and military systems. Responsibilities include circuit architecture, schematic and PCB design, signal and power integrity analysis, layout constraints, board bring-up, verification, production support, documentation, and field testing. Collaborates across FPGA, software, RF, power, mechanical, manufacturing, and test teams, while coordinating with vendors, suppliers, and customers.

Design, implement, and optimize robotics and machine-control software for industrial additive manufacturing and automated production. Build real-time, reliable control systems integrating robots, sensors, vision, PLCs, and factory equipment. Lead architecture, troubleshoot integrations, improve throughput and uptime, and collaborate with cross-functional engineering teams to deploy production-ready automation solutions.

As a Staff Power Electronics Engineer, drive the design of avionics, flight computer, and power systems for spacecraft. Lead verification testing and collaborate with cross-discipline teams to innovate and improve hardware.

Design and evolve scalable referral, partner data, and patient booking systems. Lead complex technical projects across teams, make architecture and API decisions, improve security, performance, reliability, and scalability, and mentor engineers. Collaborate with product, design, engineering leadership, partners, and stakeholders while using AI-assisted development tools such as Claude Code to improve delivery velocity and quality.

Leads architecture, full-stack development, scalable application design, dashboards, backend integrations, AI-enabled features, cloud infrastructure, DevOps, monitoring, and production support. Mentors engineering teams, establishes technical standards, guides strategy, and develops solutions for payer operations, metadata, contracts, and performance measurement.

Leads advanced mechanical engineering across multiple aerospace and space technology programs. Develops mechanical systems, structures, mechanisms, and assemblies; conducts structural, thermal, tolerance, and design analyses; and leads verification, qualification, validation, and testing. Guides root-cause investigations, engineering changes, manufacturing and supplier evaluations, and technical reviews. Serves as a senior technical resource, mentors engineers, and advances engineering methods, manufacturability, reliability, quality, and product performance.

Staff Systems Engineer responsible for systems engineering activities, requirement verification, technical documentation, and briefing technical presentations to stakeholders. The role supports aerospace systems at Northrop Grumman and requires extensive engineering experience, a STEM degree, Secret clearance, and the ability to obtain Special Access Program clearance. Travel up to 25% is required, and relocation assistance may be available.

Guide technical implementation of next-generation native Android applications. Architect mobile applications and frameworks, make technology decisions, solve complex engineering problems, collaborate across teams, mentor others, and improve development workflows using AI and LLM tools. The role requires expert Kotlin development, Android framework expertise, GraphQL experience, and strong mobile architecture skills, with preferred knowledge of KMM, Jetpack Compose, MVI, CI/CD, and automated testing.

Lead the technical vision, architecture, and delivery of Toast’s pricing engine across multiple teams. Design and operate highly available distributed systems, APIs, databases, and event-driven services at scale. Serve as the pricing domain expert, improve correctness and performance, lead incident response and reliability initiatives, mentor engineers, establish operational excellence, and align technical priorities with Product and engineering leadership.

Leads the architecture, design, simulation, testing, integration, qualification, and production release of power electronics for spacecraft payloads. Designs converters, inverters, motor drives, power management circuits, magnetics, and filters; performs reliability, worst-case, stress, FMEA, and power integrity analyses; develops verification plans; leads board bring-up and system testing; mentors engineers and leads project execution.

Lead backend engineering strategy for Affirm’s search and recommendation platform. Design and launch highly available distributed systems, guide technical architecture and execution, improve team operations and reliability, establish engineering quality standards, collaborate with product, design, and analytics, and mentor engineers. The role focuses on search, recommendations, consumer shopping experiences, monetization, and scalable platform foundations.