Software Engineer Jobs in Sunnyvale, CA

Lead development of core client systems and engine-level infrastructure in Unity/C#. Diagnose and fix cross-cutting performance issues, upgrade third-party SDKs, evolve build tooling, produce design docs, scope multi-week infrastructure initiatives, mentor engineers, and drive profiling, optimization, and architecture changes to enable future features.

Author, profile, and optimize CUDA GPU kernels for LLM inference to maximize throughput and minimize latency. Build reproducible microbenchmarks and MLPerf workflows, collaborate across product, hardware, and orchestration teams, lead designs and reviews, mentor engineers, and translate kernel wins into end-to-end model-serving performance improvements.

The Software Engineer will work with founders to design and deliver AI-driven commerce solutions, collaborate across functions, and improve ecommerce performance.

Build and scale simulation and developer tooling for autonomy teams, integrating neural-rendering and HIL simulation, improving fidelity and CI/CD, streamlining deployment and mapping workflows, and reducing vehicle operations idle time to accelerate safe autonomy releases.

Design, develop, and maintain instrument-control software and hardware-interface layers for LC/MS and QToF platforms. Build device communication, drivers, synchronization, and real-time data-acquisition systems; integrate with electronics, FPGA, firmware, and embedded controllers; diagnose hardware/software issues; optimize performance, reliability, and deterministic operation; support verification, validation, and long-term architecture decisions.

The role requires designing and developing web applications and backend systems, integrating LLMs, and ensuring quality software delivery.

The Software Engineer will develop backend systems for an AI Energy Agent, including data integration, microservices, and scalable architecture, focusing on performance and reliability.

The Founding Software Engineer will build and enhance crisis-intervention software, focusing on mobile and web applications for government welfare, ensuring compliance and integrating data securely. Responsibilities include feature development, security enhancements, and managing interns.

The Full-Stack Engineer will develop and maintain web applications, translating UI/UX designs into responsive apps, optimizing applications, and writing clean code.

Lead development of Python-based tools and automation frameworks for optical transceiver validation. Automate test execution, instrument control, data collection/analysis, CMIS and EEPROM verification, and support qualification of PAM4, LPO/LRO, and coherent optics for 1.6T and 12.8T platforms.

Develop and maintain the Linux kernel in EOS, integrate new CPU support, debug issues, and lead projects. Collaborate with customers and engineers, and mentor junior staff.

The role involves developing Layer1 software for physical connectivity in networking, working with engineers to create new features, and providing technical leadership and support.

Develop and maintain CPU firmware, BIOS, and Boot Loader software. Collaborate with hardware teams, conduct validations, and mentor junior engineers.

Design and implement deterministic, safety-critical motion planners for autonomous vehicles, ensuring safe operation under uncertainty and degraded perception. Collaborate with diverse teams and conduct large-scale evaluations.

Build infrastructure and tools for large-scale E2E autonomy research. Collaborate with AI teams to productionize self-driving software and scale training aspects.

Design and improve core libraries and frameworks for a developer ecosystem, enhance infrastructure reliability, and collaborate across teams to boost productivity.

As a Cloud Infrastructure Engineer, you'll enhance deployment, monitor software, and improve CI/CD tooling for large-scale simulations.

Develop a data-oriented frontend UI/UX platform for Defense applications, collaborating with design teams and integrating with systems.

Develop and maintain web-based storage management applications, including Kubernetes operators and CSI plugins, collaborating closely across teams to define APIs.

Develop and optimize software for NVIDIA's autonomous vehicle platform, collaborating with teams and providing technical support for productization.

As a GPU Simulation System Software Engineer, you'll develop infrastructure for GPU simulations, coordinate with architects, and improve workflows for next-gen GPUs.

The role involves defining architecture for NVLink Fusion, collaborating with customers, mentoring teams, and managing software abstraction layers.

Conduct performance analysis on large multi-GPU clusters, evaluate interactions between libraries and hardware, and develop tools for performance visualization and data analysis.

Develop and maintain software for Tegra Diagnostics, including drivers and frameworks to stress SOC systems, while collaborating to improve software efficiency and debugging complex failures.

The Senior Systems Software Engineer will enhance software architecture, modularization, and integration of ADAS systems, ensuring scalability and efficiency within NVIDIA's platform.