Senior Software Engineer, Cloud (Backend / Infrastructure)

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. 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 to build and evolve Webflow Cloud, helping builders and marketing practitioners build, deploy, and run full-stack web applications with the assistance of cloud based AI agents. 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 an existing vacancy Reporting to the Senior Engineering Manager, Cloud As a Senior Software Engineer, Cloud, you'll … Build and operate reliable cloud services on AWS and Cloudflare, drawing on experience with compute, storage, networking, and managed infrastructure. Evolve the infrastructure that powers web applications and AI agents on Webflow Cloud. Participate in the team’s on-call rotation, investigate production incidents, and drive improvements that prevent recurring issues. Utilize CDN and edge compute capabilities that help customers deliver fast, resilient websites and applications around the world. Own features from customer problem through design, implementation, rollout, and ongoing improvement. Use AI-assisted development practices to accelerate delivery while applying sound engineering judgment, rigorous validation, and clear accountability for code quality. Participate in engineering citizenship activities such as co-authoring engineering blogs, strengthening our hiring processes, and leading internal hackathon teams. About you: BA/BS Degree or equivalent experience 5+ years building and operating backend services in production Demonstrated experience in backend service design defining service boundaries, contracts and data ownership, not only implementing within them Business-level fluency to read, write and speak in English You'll thrive as a Senior Software Engineer, Cloud, if you … Have experience building and operating production services on AWS, Cloudflare, or similar cloud platforms. Have experience designing data models, optimizing queries, and operating production databases such as PostgreSQL or MongoDB. Are fluent in TypeScript and Node.js, and comfortable with edge runtimes. Understand modern website and web application architecture, including HTTP, caching, CDNs, and edge compute. Apply best practices for performance, security, accessibility, and reliability. Take ownership of features from early discovery and technical design through delivery and ongoing operation. Use AI effectively in your personal or professional development practices. Make pragmatic technical decisions that balance customer needs, delivery speed, and long-term maintainability. Our Core Behaviors: Build lasting customer trust. We build trust by taking action that puts customer trust first. Win together. We play to win, and we win as one team. Success at Webflow isn't a solo act. Reinvent ourselves. We don't just improve what exists, we imagine what's possible. Own it all the way. We move fast because the moment demands it, and we hold ourselves accountable to deliver outcomes — for each other, and for customers. Benefits Ownership in what you help build. Every permanent Webflower receives equity (RSUs) in our growing, privately held company. Health coverage that actually covers you. Comprehensive medical, dental, and vision plans for full-time employees and their dependents, with Webflow covering most premiums. Support for every stage of family life . 12 weeks of paid parental leave for all parents and 6+ weeks of additional paid leave for birthing parents. Plus inclusive care for family planning, menopause, and midlife transitions. Time off that’s actually off. Flexible vacation, paid holidays, and a sabbatical program to help you recharge and come back inspired. Wellness for the whole you. Access to mental health resources, therapy and coaching. Invest in your future. A 401(k) with 100% employer match (up to $6,000/year) in the U.S., and support for retirement savings globally. Monthly stipends that flex with your life. Localized support for work and wellness expenses — from Wi-Fi to workouts. Bonus for building together. All full-time, permanent, non-commission employees are eligible for our annual WIN bonus program. Temporary employees may be eligible for paid holiday and time off, statutory leaves of absence, an