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Software Engineer Staff United States Jobs (On-site work)

173 Job Offers

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Staff Software Engineer - Backend/Infra [NYC or SF]
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Amigo
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New
Staff Software Engineer, AI Model Lifecycle
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Crusoe seeks a Staff Software Engineer in San Francisco to lead AI model lifecycle work, including LLM fine-tuning, RFT, and large-scale training pipelines. Requires 4-5+ years in AI, Generative AI expertise, and Python or Golang skills.
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Crusoe
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Staff Flight Software Engineer
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CesiumAstro seeks a Staff Flight Software Engineer in Westminster to design and integrate mission systems for satellites and space platforms. Requires 8+ years of spacecraft software experience with C, C++, or Python and strong space mission knowledge.
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158000.00 - 189000.00 USD / Year
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CesiumAstro
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Staff Software Engineer ML Platform (6244)
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Shield AI seeks a Staff Software Engineer in San Diego to build ML platform services, including experiment tracking and model registries. Requires strong Python backend skills, distributed systems experience, and ML workflow knowledge.
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200000.00 - 300000.00 USD / Year
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Shield AI
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Senior Staff Software Engineer_Voice AI Agent Prompting
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ServiceNow seeks a Senior Staff Software Engineer in Santa Clara to build model-driven voice AI agents, designing autonomous call workflows and telephony integrations. Requires strong software engineering fundamentals and hands-on AI voice application experience.
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Armis
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Staff Software Engineer
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Lead the team building mission-critical weather safety systems at Perry Weather in Dallas. Requires 8+ years production software experience, event-driven architecture expertise, and C# backend depth. On-call required.
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Perry Weather
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Senior Staff Data Platform Software Engineer
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ServiceNow seeks a Senior Staff Data Platform Software Engineer in San Diego to build cloud-native platform services on Kubernetes. Requires 12+ years of software development experience and deep expertise with a major hyperscaler. Hybrid role.
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Armis
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Senior / Staff Software Engineer, Data Infrastructure
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Suno seeks a Senior/Staff Software Engineer in Boston to build and scale data infrastructure for personalized music recommendations. Requires 7+ years in distributed systems, Python, and streaming tech like Flink or Kafka.
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Suno
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Senior Staff Software Engineer, Cloud Availability Platform
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Senior Staff Software Engineer to build Crusoe's Cloud Availability Platform in San Francisco. Requires 10+ years in distributed systems, Go/Python/Rust, and control plane expertise. Competitive pay, equity, and benefits.
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Crusoe
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Staff Systems Software Engineer
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Mission 42 Ventures seeks a Staff Systems Software Engineer in Austin, TX to build high-performance game software in C++. Requires 8.5+ years experience, game engine expertise, and VR/AR integration skills. Salary $180K-$235K.
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Level
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Software Engineer, Full Stack (Staff+)
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Lead full-stack projects at Lightfield, a fast-growing AI CRM startup in San Francisco backed by $70M+ from a16z and Greylock. Requires 7+ years of experience, strong product judgment, and passion for LLMs.
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Lightfield
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Staff Software Engineer
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Staff Software Engineer in NYC to architect and productize AI/ML infrastructure, bridging research and production. Requires 10+ years scaling distributed systems, AI harness experience, and startup background. In-office role with competitive pay.
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Assured
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Staff Software Engineer, Product
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Join Decagon as a Staff Software Engineer in New York to build AI-powered self-serve tooling for enterprise conversational AI. Requires 7+ years, strong Python and full-stack skills. Great benefits included.
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Decagon
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Senior Staff Software Engineer, Storage
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Lead the architectural vision for Crusoe's storage engine as Senior Staff Software Engineer in Sunnyvale. Requires 12+ years in distributed cloud storage, C/C++/Go/Rust expertise, and deep knowledge of NFS, NVMe/TCP. Competitive pay, RSUs, and comprehensive benefits.
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Crusoe
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Member of Technical Staff, (Software Engineer, Experience)
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Join Perplexity's Core Experience team in San Francisco as a frontend engineer building polished, intuitive web interfaces used by millions daily. Requires React, TypeScript, CSS expertise and exceptional design sensibility.
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Perplexity
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Staff Software Engineer, CAPE
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Crusoe seeks a Staff Software Engineer in San Francisco to build distributed systems and reliable cloud platforms for AI infrastructure. Requires 10+ years experience, Go/Rust/Java/C++ skills, and offers competitive pay plus RSUs.
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Crusoe
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Senior Staff Software Engineer, Integrations (Tech Lead) — Veza
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Lead integrations as a Senior Staff Software Engineer at Veza in Santa Clara. Build high-performance connectors for AWS, GCP, Azure and more, mentor backend engineers, and drive technical direction using AI/ML. Requires 12+ years experience.
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Armis
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Staff Software Engineer, Agent Identity Security
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Veza seeks a Staff Software Engineer in Santa Clara to build secure backend systems for agent identity. Requires 5+ years with Golang or Java, REST APIs, microservices, and cloud IAM expertise.
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Armis
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Senior Staff AI-Native Software Engineer – Agentic Systems
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ServiceNow seeks a Senior Staff AI-Native Software Engineer in San Francisco to design and ship production-grade multi-agent systems. Requires 8+ years in software engineering, Python, and hands-on agentic AI experience.
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Armis
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Senior Staff Software Test & Automation Engineer
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Mainspring Energy seeks a Senior Staff Software Test & Automation Engineer in Menlo Park to architect scalable test frameworks, CI/CD pipelines, and hardware test beds. Requires 15+ years in SDET or embedded test roles with strong Python and C++ skills.
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160000.00 - 190000.00 USD / Year
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Mainspring Energy
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About the Software Engineer Staff role

Explore the pinnacle of software engineering careers with our comprehensive guide to Software Engineer Staff jobs. A Staff Software Engineer represents a senior-level role characterized by deep technical expertise, significant autonomy, and broad influence across engineering organizations. Professionals in these positions are not just individual contributors; they are technical leaders who architect complex systems, set long-term technical strategy, and elevate the capabilities of entire teams. This role is a critical career milestone, often sitting between senior engineers and principal/architect levels, focusing on solving the most challenging and ambiguous problems.

Typically, individuals in Staff Software Engineer jobs are responsible for end-to-end ownership of major technical initiatives. This involves designing, developing, and deploying robust, scalable, and maintainable software systems. Common responsibilities include leading the technical direction for critical product areas, making high-stakes architectural decisions, and creating reusable frameworks and components for enterprise-wide adoption. They are expected to write production-grade code while also providing technical leadership by mentoring senior and junior engineers, championing best practices in code quality, testing, and operational excellence, and fostering a culture of continuous improvement. Their work often spans the full software development lifecycle, from conception and design through implementation, deployment, and ongoing operational stability.

The typical skill set for these high-impact jobs is extensive. A strong foundation in multiple modern programming languages—such as Java, Python, JavaScript/TypeScript, Go, or C++—is essential. Expertise in system design, distributed systems, and microservices architecture is paramount. Professionals are expected to be proficient with cloud platforms (AWS, Azure, GCP), containerization (Docker, Kubernetes), and event-driven messaging systems like Kafka. Experience with both SQL and NoSQL databases is common. Beyond pure technical skills, successful Staff Engineers demonstrate exceptional analytical and problem-solving abilities, excellent communication skills to articulate complex concepts to technical and non-technical stakeholders, and a proven ability to collaborate across multiple teams. While a Bachelor's or Master's degree in Computer Science or a related field is typical, equivalent practical experience is highly valued. Ultimately, Staff Software Engineer jobs are for those who combine profound technical depth with strategic vision to drive tangible business outcomes and shape the technological future of their organizations. Discover your next career-defining opportunity in this elite field.