Senior Webflow Developer - Marketing Team

About the Company

Harness is the AI Software Delivery Platform company, valued at $5.5B and backed by leading investors including Goldman Sachs, Menlo Ventures, and IVP. Founded by Jyoti Bansal (founder of AppDynamics, acquired by Cisco for $3.7B), Harness brings AI and automation to software delivery lifecycle management, helping teams ship software faster while maintaining security and governance. With a global team across 14 offices and 25 countries, Harness is shaping the future of AI-powered software delivery.

About the Role

Harness is seeking a talented Senior Webflow Developer to join our Marketing Team and play a key role in building, optimizing, and maintaining our marketing website. You'll collaborate closely with designers, content managers, and product teams to create high-performing, scalable, and visually engaging web experiences. This is a remote position within the United States, perfect for someone who thrives in a fast-moving startup environment and is passionate about the intersection of design, technology, and performance optimization. Your expertise in Webflow, front-end development, and performance optimization will be critical in ensuring seamless user journeys and driving conversions.

Responsibilities

• Build, maintain, and enhance marketing web pages using Webflow, ensuring high performance, responsiveness, and pixel-perfect accuracy
• Manage Webflow CMS collections, structure dynamic content, and optimize workflows for efficient content updates and scalability
• Implement custom HTML, CSS, and JavaScript to enhance Webflow's capabilities and create engaging interactions and animations
• Optimize site speed, performance, accessibility, and SEO/AEO best practices to improve user experience and search visibility
• Implement A/B testing, conversion rate optimizations, and tracking integrations with Google Analytics, Marketo, and similar tools
• Partner with Marketing, Content, and Growth teams to develop landing pages and campaign assets that drive engagement and conversions
• Perform rigorous quality assurance testing to ensure cross-browser compatibility, mobile responsiveness, and smooth interactions

Requirements

• 5+ years of professional experience developing Webflow websites
• Strong proficiency in Webflow, Webflow CMS, and custom code (HTML, CSS, JavaScript)
• Understanding of UX/UI principles and ability to translate Figma designs into pixel-perfect implementations
• Expertise in SEO/AEO and performance optimization best practices
• Familiarity with Client-First or other style guidelines and strategies for maintaining consistency
• Experience with A/B testing tools, analytics platforms, and third-party integrations
• Proactive problem-solver who thrives in collaborative environments and fast-moving, iterative development cycles

Nice to Have

• Experience with animation techniques and advanced Webflow features
• Knowledge of CRO (Conversion Rate Optimization) methodologies
• Portfolio demonstrating high-quality, high-performance Webflow projects

Harness is an AI Software Delivery Platform company valued at $5.5B that helps teams ship software faster while maintaining security and governance. The company has powered over 185M deployments and serves enterprise customers like United Airlines and Morningstar.