Software Engineer Jobs in Sunnyvale, CA

Design, build, and operate production-grade agentic AI systems: multi-agent orchestration, enterprise-grounded reasoning using CMDB/Knowledge Graph, retrieval/RAG pipelines, model integration with frontier SDKs, and trust/safety/governance. Lead architecture, code quality, and mentor engineers for scalable, safe autonomous agents.

Build and scale Hardware-in-the-Loop (HIL) validation platforms and tooling for autonomous vehicle software. Develop services to configure, run, and debug HIL tests, improve fidelity and observability, and ensure reliability via CI, automated testing, and code reviews. Collaborate with cross-functional AV teams to translate validation needs into platform features and deliver iterative, production-quality solutions.

The Software Engineer will enhance Lending products for Cash App, focusing on building complex systems, APIs, and collaborating with multiple teams to support economic empowerment through accessible credit.

As a Software Engineer, you will design and build backend services and integrations for financial operations, focusing on scalable technology solutions and AI enablement, while collaborating with cross-functional teams to ensure compliance and data integrity.

As an AI/ML Engineer, develop and optimize analytics frameworks to enhance autonomous vehicle development, focusing on automation tools and collaboration with engineering teams.

The Software Engineer will work on backend distributed systems, improve infrastructure reliability, define performance metrics, and collaborate across teams.

Build and maintain cloud-based systems that manage and distribute configuration to millions of endpoints. Design and implement scalable backend services (primarily in Go, with some Python), collaborate across teams, perform code reviews, ensure testing/logging/resilience, troubleshoot production outages, and contribute to platform reliability. Work is hybrid with occasional travel for in-person meetings.

Build and maintain the Falcon platform UI, owning policy framework features from design to delivery. Develop reusable components (Ember/Web Components), write automated tests, mentor junior engineers, improve developer experience, and collaborate cross-functionally to enable policy-driven security features.

The Software Engineer will develop platform infrastructure for Cash App, focusing on scalable solutions and AI-driven tools, while collaborating cross-functionally to ensure customer trust and safety.

The Staff Data Platform Software Engineer will design, improve, and maintain the Veza Access Graph system, focusing on performance, scalability, and collaborating on product features to enhance identity and access management experiences.

Build and own distributed runtime infrastructure for agentic AI: orchestration engine, lease-based distributed session management, event-driven pipelines, structured concurrency using asyncio/goroutines, observability with OpenTelemetry/Prometheus, and caching/state layers with Redis/DynamoDB to support long-running, low-latency agent sessions at scale.

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

Lead the development of tools for monitoring data quality in pipelines, including inspecting data, performance monitoring, and collaboration with AV engineering teams.

Design and develop software for a Linux-based networking system, ensuring reliability and performance in vehicle communications, while collaborating with hardware and application teams.

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

The Software Engineer III will develop secure, scalable code for CrowdStrike’s asset management solutions, collaborating with multiple teams and focusing on high-quality deliverables.

Design, develop, and maintain software systems for autonomous driving evaluation workflows. Collaborate across teams, improve infrastructure, and mentor engineers.

As a Software Engineer, you'll develop infrastructure for autonomous vehicle testing, improving data processing and internal tools alongside experienced engineers.

The Software Engineer will develop and manage data platforms for CoreWeave, focusing on performance, security, and scalability while facilitating data access and compliance with regulations.

As a Software Engineer on the Observability team, you will develop and maintain scalable systems for telemetry data processing, enhance monitoring, collaborate across teams, and engage in on-call rotations.

Design, develop, and implement Android and QNX components for in-vehicle infotainment systems, overseeing the entire lifecycle from requirements to maintenance, while addressing integration challenges and collaborating with cross-functional teams.

The role involves ensuring the reliability of Autonomous Vehicle software through triaging failures, deep debugging, automated testing, and collaboration with engineering teams.

Build and scale cloud-side detections and backend systems for near-real-time endpoint-to-cloud processing. Design, implement, and maintain distributed, resilient services (primarily in Go), collaborate across teams, mentor engineers, and apply engineering best practices for testing, logging, and deployment.

The Associate Software Engineer collaborates on infrastructure needs, builds core functionalities, improves system observability, and measures performance for scalable applications.

The Software Engineer on the Cash App Banking team will design, develop, and deliver new banking experiences, collaborating closely with teams to enhance customer features and performance.