Top Staff Engineer Jobs in Los Angeles, CA

Lead technical vision and strategy for Affirm’s Cards backend engineering organization. Architect scalable and reliable platforms, guide cross-team initiatives, champion AI adoption and engineering excellence, influence technical roadmaps, and mentor engineers through Staff level. The role requires strong architectural expertise, organizational leadership, project management, communication, and cross-functional collaboration.

Lead technical execution and architecture for the Loyalty product. Own roadmap, design distributed services and APIs, ensure reliability/observability, integrate with ZMP and AthenaOS, build and coach engineering teams, and drive cross-team delivery of scalable multi-tenant loyalty capabilities.

Set technical direction for Toast’s Developer Experience platform, including local development, build tooling, shared libraries, testing frameworks, and developer portals. The role combines hands-on software engineering with architecture, cross-team technical leadership, AI-assisted development, developer productivity measurement, mentorship, and roadmap prioritization.

Lead operational reliability and platform enablement for Databricks: build monitoring, CI/CD, deployment standards, compute and job policies, observability, runbooks, and governance to support secure, cost-aware, production data workloads across regulated environments. Mentor engineers and align platform with cloud/infrastructure and compliance requirements.

Owns primary structure assembly work centers, removes production barriers, drives process improvements, develops work instructions and specifications, and provides design-for-manufacturing feedback. Partners with engineering, production, reliability teams, and vendors to advance aerospace builds. Requires hands-on complex assembly experience, manufacturing fundamentals, tooling and inspection knowledge, and the ability to make production risk decisions in a high-pressure environment.

Leads production test design for NVIDIA networking platforms, including NICs, SmartNICs, DPUs, NVLink systems, and Ethernet switches. Develops test architectures, strategies, coverage, diagnostics, and software solutions while coordinating technical decisions across engineering, operations, security, and manufacturing teams. Partners with contract manufacturers and global teams to deploy test plans, reuse shared capabilities, and align production testing with platform development and manufacturing requirements.

Own materials and processes engineering for Terran R avionics hardware. Qualify materials and processes for flight and reuse, develop technical specifications, lead statistically driven experiments, and support material selection, design, failure analysis, manufacturing, quality, and supply-chain activities. The role coordinates laboratory characterization, process development, subcontractor compliance, fracture-control efforts, technical roadmaps, and risk reduction across interdisciplinary teams.

Lead developer platform engineering across GitLab, CI/CD, progressive delivery, cloud infrastructure, and release safety. Design and operate pipeline orchestration using Argo Rollouts and Kargo, support connector deployments, improve FinOps and developer insights, and establish safe rollback, recovery, and database change practices. Build self-service tooling, drive adoption, mentor engineers, and collaborate with Staff Engineers and architects across distributed teams.

Owns assembly, integration, and test campaigns for a Mars orbiter, from component testing through launch preparation. Develops procedures, test plans, acceptance criteria, verification approaches, tooling, ground support equipment, and campaign infrastructure. Leads thermal, vibration, EMI/EMC, functional, and end-to-end tests; conducts readiness reviews, analyzes results, resolves discrepancies, and drives root-cause closure. Maintains configuration and verification records while collaborating across hardware, software, and systems engineering teams.

Develop and test flight software for spacecraft, including onboard computers, GNC algorithm integration, command and telemetry systems, spacecraft sequencing, subsystem simulators, device drivers, and communications libraries. Collaborate with ground software teams across spacecraft design, manufacturing, integration, and flight operations. The role requires low-level firmware, embedded RTOS, safety-critical systems, C/C++, Python, and eligibility for TS/SCI clearance.

Leads complex electro-mechanical product development and manufacturing engineering from customer requirements through qualification, launch, and production release. Responsibilities include design review, CAD and documentation, DFM/DFA, tolerance analysis, production readiness, tooling and process development, testing, troubleshooting, failure analysis, MRB support, cross-functional coordination, and mentoring. The role supports aerospace and defense hardware while balancing technical, quality, cost, schedule, and capacity requirements.

Lead architecture and engineering for a new Provider Onboarding team. Build scalable, database-backed systems and custom tools supporting pricing, payments, client panels, and forms. Establish engineering practices, mentor senior engineers, guide cross-functional delivery, and oversee the full software development lifecycle from planning through post-launch maintenance. The role requires healthcare systems experience and ownership of complex, reliable products.

Lead the technical direction of Samsara’s shared geospatial platform. Build scalable data ingestion and processing pipelines, map data models, spatial APIs, map-matching and routing foundations, and reusable platform capabilities. Scale storage, querying, and computation for real-time features, consolidate team-specific solutions, mentor engineers, lead cross-team technical projects, and represent the company in the geospatial community.

Lead fraud decisioning engineering initiatives by architecting, building, launching, and maintaining complex backend systems. Drive cross-functional projects from definition through monitoring, write high-quality and resilient code, review technical work, mentor engineers, collaborate with Product, ML, Analytics, and Business teams, and contribute to hiring and interview design.

Lead architecture, technical strategy, and execution for complex, business-critical initiatives across the Brand platform. Partner with product, design, data, and platform teams to build scalable, reliable systems; establish APIs and system boundaries; reduce technical risk; improve observability and operational readiness; and mentor engineers and emerging technical leaders.

Lead complex card-acquiring projects from design through production, building reliable payment systems, tooling, testing frameworks, and network integrations. Work hands-on with ISO messages, routing, authorization, clearing, settlement, reconciliation, interchange, and tokenization. Set technical direction, mentor engineers, improve reliability, participate in on-call operations, and establish standards adopted across teams. The role requires deep acquiring expertise and experience operating large-scale financial systems.

Full‑stack staff engineer to ship web products end-to-end, iterate on and expand a suite of sales/CRM-focused tools, define engineering culture and best practices, and hire/mentor future engineers. Must move fast in a small team, engage with users, and solve new problems creatively.

Lead technically complex card-acquiring payment projects from design through production. Build and operate highly reliable payment systems, integrations, testing and certification tooling, and shared engineering frameworks. Analyze ISO messages, network mandates, routing, authorization, clearing, settlement, and processing costs. Provide technical direction, mentor engineers, participate in on-call operations, and establish safe AI-assisted engineering practices for critical financial systems.

Lead design and reliability reviews for human-rated space station systems. Oversee qualification and test completeness, assess design and operational changes, develop engineering standards and review frameworks, track design maturity and compliance, build risk-analysis tools, and collaborate across configuration management, software, manufacturing, integration, and test teams to improve system reliability.

Lead firmware and full-stack development for edge AI safety products, spanning embedded systems, Go backend services, and web or mobile surfaces. Own features from customer problem through fleet-scale deployment, establish architecture, optimize AI algorithms for constrained devices, partner with hardware and cross-functional teams, mentor engineers, and deliver high-impact products across more than one million connected devices.

Lead the technical direction and delivery of Bitcoin and stablecoin experiences for iOS across Cash App, Square, and Bitkey. Build and ship complex features end to end, establish architecture and shared systems, integrate backend services, improve testing and release safety, and mentor engineers. Collaborate across product, design, Android, web, and backend teams while applying AI-assisted development practices and contributing to secure, reliable customer experiences.

Leads Model-Based Systems Engineering architecture for advanced aerospace and defense systems. Develops SysML v2 and UAF models, translates mission needs into requirements, behaviors, interfaces, and traceable artifacts, supports technical trades and concept development, and establishes scalable digital engineering practices. Collaborates across systems, software, hardware, integration, and mission teams while communicating technical decisions to engineers and leadership.

Lead technical direction and hands-on development of Bitcoin and stablecoin iOS products across Cash App, Square, and Bitkey. Own architecture, implementation, testing, service integration, rollout, observability, security, and post-launch improvements. Build foundational systems, mentor engineers, influence cross-team standards, collaborate across platforms, and integrate AI-assisted development tools while maintaining software quality and reliability.

Lead full-stack development for Huntress’s SOC platform, building analyst-facing investigation, triage, remediation, queueing, and customer reporting experiences. Shape architecture, data models, interfaces, security practices, reliability, observability, and testing while mentoring engineers and partnering with Product, UX, and SOC stakeholders. The role emphasizes Ruby on Rails, modern frontend development, cloud infrastructure, relational databases, and technical leadership across complex cybersecurity software products.

Lead the design, development, and delivery of scalable payroll onboarding software. Drive technically complex initiatives, influence architecture and roadmaps, collaborate across product, design, and engineering, improve reliability, promote coding best practices, mentor engineers, and use AI tools to enhance development productivity.