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Senior Software Engineer, Optimize/Analyze
BackendRemote — Argentina
Published on 2026-11-10
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.
About this role
Build and scale backend systems for Webflow Optimize, a platform for real-time personalization, recommendations, and conversion optimization. The role spans distributed services, analytics, and AI-backed capabilities, with ownership of projects from design through launch.
About the company
Webflow is a visual website design and CMS platform that lets teams build and publish production websites without hand-coding the front end.
The team
Optimize team
Stack
MongoDBDruidAirflowAWS EC2AWS S3PythonTypeScriptNode.js
What you'll do
- Architect and build scalable multi-tenant backend services and APIs, including an MCP server.
- Design service boundaries and optimize MongoDB data models and queries.
- Improve scalability, reliability, and latency with distributed systems, caching, and event-driven architecture.
- Lead projects from design through launch and contribute to technical design documents.
- Write and review tested, maintainable, performant code; partner with Product, Engineering, and Design.
- Help build reliable systems using LLM-backed components.
What we're looking for
- 5+ years building and shipping production backend services.
- Experience with distributed systems, concurrency, asynchronous processing, queues or streaming, and failure handling.
- Strong Python and/or TypeScript/Node.js skills and data modeling experience with MongoDB or a comparable database.
- Experience with real-time analytics, event-driven architectures, and REST APIs.
- Hands-on AWS, containers, CI/CD, observability, and infrastructure ownership.
- Strong production debugging, testing, documentation, reliability, and communication skills.
- Business-level English fluency.
- Bachelor’s degree or equivalent experience.
Nice to have
- Apache Spark, Airflow, or TensorFlow experience.
- Kafka or other event-streaming platform familiarity.
- Experience with large-scale personalization, experimentation, or recommendation systems.
Benefits
- Company equity in the form of RSUs.
- Medical, dental, and vision coverage, including dependent coverage, with most premiums covered.
- Paid parental leave: 12 weeks for all parents and 6+ additional weeks for birthing parents.
- Flexible vacation, paid holidays, and a sabbatical program.
- Mental health resources, therapy, and coaching.
- Retirement savings support, including a 401(k) with employer match in the U.S.
- Monthly work and wellness stipends.
- Eligibility for an annual WIN bonus program.