Webflow is the agentic web marketing platform for modern marketing teams, helping organizations build, manage, and optimize high-performing web experiences that drive predictable growth and strengthen brand trust. Building at Webflow will need grit, because we move fast, without ever sacrificing craft or quality.

We’re looking for a Senior Software Engineer, Optimize/Analyze to help develop and scale Webflow Optimize products.

You’ll design high-performance systems that adapt user experiences in real time, working with large-scale data processing and distributed computing to lift conversion and personalization at scale. Our team is fast-moving, data-driven, and experienced in personalization, ML infrastructure, and large-scale analytics.

The next chapter is ambitious. We’re serving some of the world’s largest enterprises and rethinking what an AI-native conversion platform can be. This is a cross-team technical role: you’ll work across a large,



revenue-generating system, help decide what it needs to become, and partner directly with Engineering, Product, and Design to ship it.

About the role:

Location: Remote-first (Argentina)

Permanent, full-time employee (this is not a contractor position)

Application Information:

Application deadline: applications accepted on an ongoing basis until position is closed and filled

This posting is for a new position.

As a Senior Software Engineer on the Optimize team, you'll:

Architect, design, and build scalable multi-tenant backend services and APIs for our Optimize product, including our MCP server.

Build with MongoDB, Druid, Airflow, AWS (EC2, S3), Python, and Type Script/Node.js.

Define clean service and API boundaries, and design and optimize the MongoDB data

📌 Senior Software Engineer, Optimize/Analyze (Buenos Aires)
🏢 Webflow
📍 Buenos Aires