Senior Software Engineer, Fullstack

Overview Join to apply for the Senior Software Engineer, Fullstack role at Webflow . Webflow is expanding its engineering team in Argentina, with teams across key product areas including Webflow Cloud and Webflow e-Commerce. The role focuses on building scalable backend services and contributing to a first-class customer experience within Webflow’s platform. Location: Remote-first (Argentina). Employment type: Permanent. Responsibilities Design and implement scalable multi-tenant backend services and APIs. Work with technologies such as Node.js, JavaScript/TypeScript, MongoDB, GraphQL, Apollo, AWS (EC2, S3, Lambdas), Kafka, and more. Contribute to building and executing functional strategy. Lead projects that contribute to the team and engineering organization’s deliverables. Produce maintainable, tested, performant, and scalable code. Author, collaborate on, and evaluate design documents. Influence technical designs and team-level prioritization; participate in technical solutions. Collaborate with product managers and designers in an autonomous, supportive team environment. Mentor junior engineers in technical skills and Webflow culture. Participate in engineering citizenship activities such as co-authoring engineering blogs and supporting hiring processes. Requirements About you: Business-level fluency to read, write and speak in English. You’ll thrive as a Senior Software Engineer, Fullstack if you: Have 5+ years developing and deploying web applications, with a proven track record of shipping code. Are familiar with Node.js and TypeScript and can write scalable services and APIs using Express.js, GraphQL, Apollo, and MongoDB. Can debug production issues across services and multiple levels of the stack. Have proven experience building complex web systems. Have used testing frameworks (e.g., Jest, Mocha, Playwright, Cypress). Are comfortable working in an agile, safe-to-fail environment. Stay curious and open to growth — actively building fluency in emerging technologies like AI to unlock creativity and amplify impact. Our Core Behaviors Build lasting customer trust. We act to earn and keep customer trust. Win together. We win as one team; success isn’t a solo act. Reinvent ourselves. We imagine what's possible and improve what exists. Deliver with speed, quality, and craft. We move fast without lowering the bar. Benefits & Wellness Equity ownership (RSUs) in a growing, privately-owned company. 100% employer-paid healthcare, vision, and dental insurance for full-time employees (30+ hours/week) and dependents; optional insurance where applicable by country. 12 weeks of paid parental leave for both birthing and non-birthing caregivers, plus pregnancy disability leave where applicable. Flexible PTO and sabbatical program. Access to mental wellness resources, coaching, therapy, and Employee Assistance Program. Monthly stipends to support work and wellness. 401k or pension schemes where legally required, plus financial wellness benefits. Temporary employees may be eligible for certain benefits depending on contract terms and location. Be you, with us Webflow is an Equal Opportunity Employer. Employment decisions are made on criteria related to job performance without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other protected classifications. Webflow complies with applicable fair chance laws where they apply. Stay connected Not ready to apply? Follow Webflow on our blog, LinkedIn, X (Twitter), and Glassdoor. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Software Development #J-18808-Ljbffr