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Senior Staff Software Engineer, AI

Rippling - San Francisco, CA, United States - Hybrid - posted 2026-10-08

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Rippling is building Rippling AI and a core AI Platform to support AI capabilities across Payroll, Benefits, HR Products, Talent, Spend, IT, Data Cloud, and other product areas. As a Senior Staff Software Engineer, you will own broad, ambiguous, high-impact technical charters across AI platform infrastructure. Key responsibilities include: - Own broad AI Platform charters across multiple systems and teams - Lead architecture and execution for foundational systems supporting AI capabilities across Rippling - Build and guide work across AI platform infrastructure, harness engineering, eval frameworks, model-related infrastructure, sandboxing, scaling, latency, and reliability - Support AI capabilities across Payroll, Benefits, HR Products, Talent, Spend, IT, and Data Cloud - Lead without formal authority while staying deeply connected to execution - Write code, review critical code paths, debug complex production issues, prototype solutions, and make implementation-level decisions - Partner with Product, Infra, Platform, AI, and senior engineering stakeholders to convert ambiguous AI/product bets into scalable systems - Mentor Staff, Senior, and SE II engineers while raising engineering standards across design, coding, debugging, reliability, and operational excellence - Define technical patterns and platform primitives that can be reused by product teams across Rippling - Help shape the long-term technical foundation for Rippling AI The team is looking for extremely strong, hands-on engineers. AI/ML background is a strong plus but not mandatory. The strongest signal is a deep backend/systems engineering foundation, high intellectual horsepower, ability to move fast in ambiguity, and willingness to design, review, debug, and write code regularly. Rippling highly values in-office collaboration; office-based employees are expected to work in the office at least three days per week. REQUIREMENTS: - 12+ years of software engineering experience (depending on quality of scope and impact) - Strong backend, platform, infrastructure, distributed systems, or systems engineering foundation - Deep hands-on coding ability; must be able to design, review, debug, and write code regularly - Strong programming knowledge in one or more languages: Python, Java, Go/Golang, C++, Scala, Kotlin, or C# - Proven experience owning broad, ambiguous technical charters across multiple systems or teams - Strong architecture and system design depth across large-scale production systems - Strong technical judgment across scale, reliability, latency, observability, APIs, data modeling, concurrency, and production operations - Ability to operate as a builder-leader: someone who can define direction, align stakeholders, and still build - Ability to influence and lead without formal authority while staying close to implementation - High intellectual horsepower, fast learning ability, and comfort operating in ambiguity - Strong product/platform judgment and ability to connect technical decisions to business and customer impact - Ability to mentor and elevate engineers across levels - AI/ML background is a strong plus but not mandatory; practical exposure or strong adjacent experience in AI platform infrastructure, agents, evals, ML/data infra, model infrastructure, inference, sandboxing, workflow automation, scaling, latency, or reliability is highly valuable HIGHLY PREFERABLE (NOT REQUIRED): - Prior experience building AI platform infrastructure, eval frameworks, harness systems, LLM tooling, model-quality systems, or ML/data infrastructure - Experience with sandboxing, inference systems, scaling, latency optimization, reliability engineering, or large-scale distributed platforms - Strong Python and SQL knowledge - Experience with Go, Java, C++, or Scala in backend, infra, platform, or distributed systems environments - Experience building internal platforms used by multiple product teams - Prior experience in high-growth/hyper-growth startups or fast-moving product-led technology companies - Exposure to enterprise SaaS, fintech, HR tech, payroll, benefits, compliance, IT, Data Cloud, or workflow-heavy platforms

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