Top Staff Engineer Jobs in Los Angeles, CA

Lead integrated stage test campaigns for Terran R: develop and execute test plans, write test sequences, sit console for hotfire tests, troubleshoot systems in real time, decompose requirements, drive verification and risk mitigation, and coordinate cross-functional subsystem investigations. Travel to test and launch sites and work hands-on with hardware through qualification, acceptance, and launch campaigns.

Design, build, and operate backend systems for prediction markets, including order management, trade matching, settlement, and market resolution. Architect distributed, low-latency systems with strict financial correctness, lead multi-quarter technical projects, mentor engineers, and collaborate with Product, Compliance, and Risk to meet regulatory requirements.

Develop ML/RL models and infrastructure for AV simulations, optimize training loops, and support project timelines in autonomous vehicle tech.

Lead technical strategy and delivery for backend marketplace/search systems. Collaborate with PM, design, and analytics; own operational reliability, monitoring, on-call, testing, and runbooks; set code/design standards; drive major feature delivery and deprecations; mentor and develop engineering talent.

Architect and deliver scalable, secure systems across teams; solve complex cross-team problems; lead large technical initiatives; evaluate emerging technologies; mentor engineers; align technical direction with product and business outcomes while balancing performance, maintainability, and cost.

The Staff Software Engineer will lead the development of Snapchat's client-side ads stack on Android, focusing on networking and performance, while ensuring code quality and leveraging AI tools for scalable services.

Lead the design and implementation of robust C++ software architectures for robotics systems, managing core components and integrating hardware.

Design, build, and maintain high-throughput data ingestion and processing pipelines; integrate AI-powered infrastructure; implement and support complex computing algorithms and distributed services; own systems end-to-end including architecture, observability, reliability, and operational support; lead architectural initiatives and reduce system complexity while maintaining performance on large-scale real-time data.

Lead development of guidance, navigation, and control (GNC) systems from concept to flight-ready software. Design and simulate algorithms, translate requirements into embedded implementations, support HIL and flight test, analyze test data, coordinate across vehicle design, avionics, structures and testing, and document results while mitigating technical risk.

Serve as the technical IC leader for the Provider organization: set technical roadmap and engineering standards, design and review architectures, drive cross-team initiatives, mentor engineers, and deliver high-throughput, low-latency, cloud-based microservice systems for provider-focused products.

Design and implement Kotlin backend services and end-to-end systems for Toast POS device management. Lead technical designs, estimations, performance optimization, cross-team collaboration, and software quality practices including modern testing and observability. Mentor peers and drive product roadmap alignment with product, hardware, and QA stakeholders.

Design and validate batching and CIP systems for beverage lines (including hot fill and aseptic), scope projects, issue RFQs, collaborate with vendors, support equipment installation and commissioning, troubleshoot UHT and aseptic equipment, optimize processes, ensure CQV/FDA compliance, and provide technical support across plants. Travel 25–50%.

Collaborate with product designers to implement modular, reusable React components and pixel-perfect UI across desktop and mobile. Build performant CSS-driven interactions, animations, and micro-interactions. Bridge front-end logic with design and maintain high polish across Vetcove's applications.

Lead architecture and delivery of large-scale React and React Native frontends. Define frontend strategy and best practices, build shared component libraries and design systems, optimize performance and accessibility, collaborate with product/design/backend teams, mentor junior engineers, and resolve complex frontend and cross-stack issues.

Lead design and delivery of complex web and mobile product areas, build and maintain React/React Native applications, architect scalable systems and APIs, optimize databases and performance, drive engineering standards and test coverage, mentor engineers, and collaborate with leadership and stakeholders in a fully remote environment.

Lead the development of front-end architecture for spacecraft modeling software, drive cross-functional initiatives, mentor engineers, and influence product strategy.

The Staff Propulsion Engineer will design, develop, and test propulsion systems for spacecraft while mentoring other engineers and ensuring compliance with performance requirements.

The role focuses on developing software for optical terminal processors, including device drivers and communication subsystems, while debugging and performing fault recovery for integration issues with hardware.

As a Turbomachinery Engineer, you'll develop fuel and oxidizer turbopump assemblies for the Aeon-R engine, collaborating on design, testing, and improvements while tackling complex turbomachinery challenges.

Build and own front-end features from concept through delivery for cybersecurity products. Collaborate with Product and Design to create intuitive UIs, improve engineering practices and tooling, simplify complex systems, and contribute to architecture and design systems. Use modern front-end tech (React, TypeScript) and AI-assisted tools to increase quality and delivery.

Design, implement, and optimize high-performance backend systems in Rust for an xOT security platform. Participate across the development lifecycle—debugging, testing, and performance tuning—while integrating relational and NoSQL data stores, microservices, third-party devices, and AI tools. Provide technical leadership, code review feedback, and promote secure, reliable, observable distributed systems.

Lead full‑stack development and architecture for Spark’s broker platform. Deliver customer‑facing features, partner with product/design, mentor engineers, resolve technical debt, and set engineering standards while using AI developer tools.

Operate at Staff-level to diagnose and resolve complex customer issues, contribute production-quality code to GitLab, drive AI adoption (Duo Agent Platform), and translate field learnings into durable product improvements, guidance, and thought leadership while coordinating cross-functional teams.

Lead technical strategy and execution for a backend ledger team building highly available, audit-grade financial systems. Drive architecture, reliability, monitoring, on-call practices, code quality, cross-functional collaboration, and mentoring to ensure accurate, scalable ledger operations.

As a Staff Software Engineer, you'll design and operate scalable backend services, collaborate across teams, and ensure high system availability.