Senior Staff Software Engineer

Webflow is an agentic web marketing platform that helps modern marketing teams build, manage, and optimize high-performing web experiences. The Senior Staff Software Engineer will lead the technical vision for Convert, architect scalable backend systems and data infrastructure, productionize experimentation and AI/ML capabilities, and drive complex cross-team initiatives.

Responsibilities:

• Set the long-term technical vision and architecture for backend systems powering experimentation, personalization, analytics, and conversion optimization across Webflow
• Architect and evolve high-throughput distributed systems and APIs that ingest, process, and serve large volumes of visitor and event data with low latency, high availability, and strong consistency guarantees where it matters
• Lead foundational platform investments and the data infrastructure that supports them, that unlock new product capabilities for years to come
• Partner closely with data scientists, ML engineers, and product engineers to productionize statistical and AI/ML capabilities into reliable, real-time backend infrastructure
• Lead complex, multi-team, multi-quarter technical initiatives end-to-end: from problem framing and technical strategy through implementation, launch, and long-term operational ownership
• Influence the engineering roadmap and technical strategy across the Convert pillar and partner pillars, identifying the highest-leverage investments and aligning teams behind them
• Raise the engineering bar across the org through architecture review, technical standards, observability and operational excellence practices, and the systems and tooling that support long-term quality
• Mentor and grow staff and senior engineers, multiplying your impact through the people you develop and the technical culture you help shape
• Stay current with industry trends in distributed systems, experimentation platforms, real-time data, and AI/ML infrastructure, and proactively identify opportunities to advance Webflow's backend platform and engineering practices
• Translate product vision into concrete technical problems and execution plans

Requirements:

• BS / BA college degree or relevant experience
• 12+ years of software engineering experience, including extensive expertise architecting and operating backend systems and distributed systems at significant scale
• Have a strong technical foundation across multiple programming languages such as Python, Java, or Go, with deep fluency in modern frameworks, distributed systems patterns, and large-scale system design
• Have designed, built, and operated high-throughput, data-intensive distributed systems in production — with deep understanding of scalability, fault tolerance, consistency tradeoffs, observability, and performance optimization
• Have demonstrated technical leadership across ambiguous, cross-pillar initiatives, influencing architecture, execution, and engineering strategy well beyond your immediate team
• Partner effectively with product, design, data science, and ML stakeholders to translate evolving business needs and customer outcomes into scalable technical solutions
• Bring strong judgment, communicate clearly with both technical and executive audiences, and make pragmatic tradeoffs in fast-moving environments
• Demonstrate a proactive embrace of AI, and actively building and applying fluency in emerging technologies to elevate how we work, drive faster outcomes, and expand collective impact
• Stay curious and open to growth — demonstrating a proactive embrace of AI, and actively building and applying fluency in emerging technologies to elevate how we work, drive faster outcomes, and expand collective impact
• you'll need a valid right to work authorization depending on the country of employment