Software Engineer Jobs in Sunnyvale, CA

Design, build, and scale reliable agentic AI systems and infrastructure (orchestration, sandboxed execution, latency optimization, memory, multimodal I/O). Productionize frontier AI algorithms, collaborate with ML/security/product teams, mentor engineers, and deliver production-grade, performant code that advances enterprise AI assistant capabilities.

Leads the design, development, deployment, and governance of an enterprise AI platform on AWS and Kubernetes. Builds agentic and multi-agent workflows, secure MCP and tool integrations, identity-scoped authorization, policy controls, isolated container runtimes, audit trails, and observability. Partners with engineering, security, regulatory, product, and business teams to deliver compliant AI infrastructure, troubleshoot complex distributed systems, shape technology strategy, and mentor technical teams.

Build the agent evaluation platform for multi-step enterprise AI agents. Responsibilities include orchestrating high-concurrency evaluations, developing OpenTelemetry-based tracing, creating stateful simulations of enterprise systems, managing datasets and reports, implementing validators and scoring, and establishing reliability, reproducibility, and SLOs. The role also develops calibrated evaluation signals that can optimize and train agent behavior.

Lead development of Moveworks' fullstack web applications and AI-powered agent builder experiences. Design scalable UI frameworks, web technology stacks, authentication, event tracking, design systems, and APIs. Collaborate with product, machine learning, and engineering teams to improve user experience and customer adoption while delivering reliable, modular solutions for global enterprise customers.

Own end-to-end modem firmware architecture for LGA modules, lead modem software stack integration, define baseband, RF, power-management, and system-interface guidelines, and align firmware, hardware, RF, and platform teams. Serve as the technical partner contact, guide complex design and performance decisions, resolve system-level issues, influence modem roadmaps, and provide technical leadership for high-performance 5G platforms.

Design, develop, and ship production automotive embedded software across MCU and SoC platforms for ADAS driver-facing experiences. Responsibilities include software architecture, real-time interfaces, C/C++ development, cross-domain debugging, integrated testing, vehicle validation, production launch, tooling improvements, and mentoring junior engineers. The role requires collaboration across systems, electrical, HMI, ADAS, platform, supplier, and vehicle integration teams while addressing safety, performance, reliability, and maintainability.

Build and operate ingestion and reconciliation pipelines that match card-network and partner reports against internal transactions. Develop reporting products, produce standardized journals for accounting, support tax and regulatory filing systems, handle sensitive PII for compliance, debug production issues, and collaborate with finance, product, and data teams to automate and scale reconciliation and reporting.

Design, build, and operate distributed ledger, transaction, settlement, and treasury systems. Develop durable ledgering APIs, emit trusted data for finance, maintain high-reliability services to SLOs, lead complex cross-team projects, mentor engineers, and integrate AI tooling across the development lifecycle.

Design, implement, and optimize high-performance cross-platform C/C++ components for event processing in the Falcon sensor. Work on kernel-mode development, low-latency systems, concurrency, IPC, memory management and performance tuning across Windows, Mac, and Linux. Integrate features with cross-functional teams, troubleshoot complex issues, mentor teammates, and own deliverables.

Lead design, development, testing, and deployment of large-scale software systems. Define architecture and best practices, mentor engineers, collaborate with stakeholders, ensure regulatory and security compliance, and drive platform strategy and technical excellence.

Lead design and development of cloud-native full-stack and microservice systems for patient-facing and clinical data platforms. Provide technical leadership, drive cross-functional programs, improve engineering practices, and mentor engineers to deliver robust, scalable software.

Lead the architecture and operations of network services, optimizing performance and scalability for AI workloads while ensuring security and compliance.

Responsible for developing and debugging embedded Linux platforms for GM's vehicles, optimizing performance, and leading technical teams, while collaborating with cross-functional partners and vendors.

Design, build, and operate Go-based distributed services for GPU data center infrastructure. Develop automation for hardware discovery, lifecycle management, health monitoring, remediation, BMC and firmware workflows, observability, and fleet-scale operations. Lead architecture and incident-driven reliability improvements while collaborating across infrastructure, hardware, and operations teams. Provide technical leadership through design reviews, mentorship, and strategic engineering guidance.

Develop high-performance embedded software, hardware interfaces, RTOS components, Linux kernel drivers, system libraries, and SoC frameworks. Lead software architecture from conception through production and participate in requirements, design, implementation, testing, and integration. Apply safety-critical development practices for automotive and industrial systems, including ASIL B and ASIL D standards. The role requires hybrid office work and up to 20% domestic travel.

The Senior Software Engineer will design and build secure sandboxed runtime environments for Kubernetes, focusing on GPU workloads and ensuring performance and security in multi-tenant configurations.

Design and implement high-performance IPC and middleware for robotics, drive system optimizations, mentor engineers, and deliver production-grade software.

Lead design and delivery of developer-facing platform primitives (SDKs, APIs, runtimes, tooling) to boost developer productivity and ecosystem growth. Own architecture, scalability, reliability, observability, and cross-team alignment. Mentor senior engineers and ship extensible, cloud-native microservice platforms that enable integrations and developer supply metrics.

As a Staff Software Engineer, you will lead technical strategies, drive architectural decisions, mentor engineers, and develop consumer banking solutions using various technologies.

Execute Android compatibility tests (CTS), identify and triage failures, perform root-cause analysis, and modify/upstream code to resolve issues. Design and build automation tools/scripts and CI/CD workflows, configure test environments (simulation or target hardware), create and run system-level automated test frameworks, and drive continuous improvement to meet code quality metrics for software releases.

Develop and enhance the HIL Platform for AV testing, ensuring high-quality software delivery through collaboration, requirements generation, and automated testing.

Design and build rendering infrastructure to run GPU-accelerated, physically-based sensor simulation at cluster scale. Integrate the renderer with AV stacks and ML training, ensure deterministic execution and timing fidelity, optimize GPU memory and throughput, implement multi-world execution and asset delivery, reduce cold-starts, and maintain profiling, testing, and cross-team collaboration.

Design and implement core features for a lightweight macOS security sensor, collaborate cross-platform with teams, own feature lifecycle from design through delivery, debug low-level memory and performance issues, and mentor distributed engineers while aligning sensor architecture with broader Falcon Host strategy.

The role involves designing and developing core features for the Linux sensor in CrowdStrike's security platform, collaborating with teams across the company, and maintaining software quality for cross-platform delivery.

The Staff Software Engineer will design and implement the backend architecture for Marimo's molab, focusing on high availability, low latency, and system stability, while utilizing CoreWeave's infrastructure.