Software Engineer Jobs in Sunnyvale, CA

Design, develop, and optimize scalable full-stack software systems; contribute hands-on code; implement agile processes; collaborate with hardware, AI, and cloud teams to deliver integrated GenAI solutions; stay current with tools and best practices.

Lead technical projects for product scaling. Design and maintain APIs and services, ensuring reliability and user experience while collaborating with product teams.

Design and implement highly reliable, high-performance algorithms and systems software for modern data platforms. Own end-to-end delivery from concept to production, diagnose and resolve complex technical issues, influence cross-functional system design, and mentor junior engineers. Drive adherence to performance, reliability (e.g., six 9s), schedules, and architectural vision while collaborating with product and engineering teams.

As a Senior/Lead Software Engineer, you'll design and build network systems features, manage development processes, and collaborate with engineers and customers. Responsibilities include software development in C, C++, Python, and maintaining hardware drivers, while mentoring junior engineers.

Build tools, libraries, and infrastructure to accelerate Planning development for autonomous vehicles. Improve testing, debugging, metrics, simulation, and evaluation workflows; expose actionable insights from logs and real-world data. Lead infrastructure projects, optimize performance and maintainability, and partner with Planning engineers to increase engineering velocity and safety-case/test coverage.

Design, implement, and own behavior and motion planning features for autonomous trucks end-to-end. Debug using logs, simulation, and real-world data, define validation metrics, participate in design and code reviews, and mentor engineers while collaborating across the autonomy stack.

Design and develop robust data processing systems and pipelines, implement data storage solutions, and ensure system integrity through testing and monitoring.

Design and develop data pipelines for autonomous driving systems, create storage for data metrics, build dashboards, and maintain data integrity, focusing on ML components.

The role involves developing visualization frameworks for autonomous driving technology, collaborating with teams to enhance development workflows and produce high-quality visualizations.

As a Senior Software Engineer, you will design algorithms for motion planning, improve AI behavior predictions, and enhance planning tools while collaborating across teams.

Design, develop, and optimize a low-latency, high-quality media streaming stack for cloud gaming. Analyze GPU/CPU video pipelines, isolate bottlenecks, collaborate with hardware teams, build tools to measure video quality, and implement adaptive streaming and codec-based improvements for resilient performance under variable networks.

Lead validation of ML datacenter stacks from cluster to rack scale for CSPs: define test strategies, reproduce and triage customer bugs, validate fixes, run perf benchmarks, manage test data and tooling, produce release-readiness reports, and collaborate with internal and partner engineering teams.

Lead development of planet-scale mapping systems from crowdsourced fleet data. Design and implement 3D reconstruction, SfM, pose estimation, sensor fusion, map fusion, change-detection, and production C++ pipelines. Build evaluation, visualization, and debugging tools, and collaborate with perception, localization, and planning teams to integrate high-quality maps into autonomous driving systems.

Lead design and implementation of real-time 3D visualization and rendering pipeline for Android-based in-car infotainment. Integrate visual assets, optimize shaders and GPU/CPU/memory for low-latency performance, debug complex rendering issues, and collaborate with product and UX teams to translate perception data into fluid animations on resource-constrained hardware.

Design and optimize high-performance C++/CUDA libraries for GPU-based data processing. Improve multi-node GPU communication (UcxExchange), optimize Presto GPU query performance, and lead enhancements across Presto, Velox, and cuDF projects for efficient DataFrame and database acceleration.

Design, implement, and maintain embedded networking software for Ethernet switching products. Debug and fix existing code, collaborate with hardware teams, implement L2/L3 features, work with POSIX/System V multithreading, assist in system installation/troubleshooting, and produce high-quality, timely software.

Lead frontend design and delivery of data-intensive, real-time generative-AI user experiences. Build interactive dashboards, streaming UX, scalable state, and integrations with backend systems; mentor engineers and collaborate with product, design, and AI teams to improve latency, accuracy, and user trust.

Lead development and maintenance of networking software for FortiSwitch VM and hardware, implement and fix L2/L3 features, work with Marvell SDKs and hardware teams, perform Linux kernel and driver-level development, and deliver high-quality features on schedule while troubleshooting and collaborating across teams.

Design, develop, and execute functional, system, scaling, throughput, stress and soak tests. Create and maintain automated test scripts, find/isolate/document bugs, and track them to resolution. Diagnose and reproduce customer issues, engage in live troubleshooting, collaborate with developers and QAs, and produce documentation and training. Focused on networking, security, VoIP, and traffic-generator based testing.

Lead development and maintenance of embedded networking software for the FortiSwitch product line. Implement and debug L2/L3 features, integrate with switching ASICs, mentor junior engineers, ensure high-quality releases, and collaborate across engineering and product teams.

Lead QA for Fortinet product lines: review requirements, design and run test plans, develop automated scripts/tools (Robot Framework, Python), debug issues with developers, document bugs, monitor risks, and support international releases.

Lead QA activities for security networking products: design and run tests, automate scripts and tools, debug and document issues, collaborate with developers and international teams, and produce training and process guidance to improve product quality and team efficiency.

Perform functional and performance testing (manual and automated) of high‑throughput firewall/packet‑processing platforms. Write and maintain automation scripts, follow build/test processes, design test beds, identify equipment, and log and track defects while collaborating with developers and QA teams.

Design, develop, test, and maintain GenAI/LLM software and integrations for cloud and on-prem environments. Troubleshoot existing products, implement new features, ensure code quality with source control, optimize large-scale high-performance systems, and document maintenance procedures while collaborating across teams.

Design, implement, and maintain cloud solutions and FortiWeb software. Fix bugs, develop new features, research new technologies, document and version-control code, and produce technical documentation.