NEWPosted June 27, 2026

Senior Webflow Developer – Marketing Team

Harness


Job Description

About the Company

Harness is building the industry's leading AI-powered software delivery platform, enabling teams worldwide to build, test, and deliver software faster, safer, and more reliably. Founded by Jyoti Bansal (founder of AppDynamics, acquired by Cisco for $3.7B), Harness has raised ~$240M in Series E funding and is valued at $5.5B, backed by top investors including Goldman Sachs, Google Ventures, and ServiceNow Ventures. With employees in over 25 countries, Harness powers 128M deployments, 81M builds, and has optimized $1.9B in cloud spend for customers like United Airlines and Choice Hotels.

About the Role

Join Harness's Marketing Team as a Senior Webflow Developer and take ownership of building, optimizing, and maintaining our marketing website. You'll collaborate closely with designers, content managers, and product teams to create high-performing, visually engaging web experiences that drive conversions and engagement. This is an ideal opportunity for a talented Webflow developer who excels at performance optimization, wants to work in a fast-paced startup environment, and is passionate about the intersection of design and technology. This remote position offers the chance to shape Harness's digital presence while working with cutting-edge marketing tools and a collaborative, communication-focused team culture.

Responsibilities

  • Build, maintain, and enhance marketing web pages using Webflow, ensuring high performance, responsiveness, and pixel-perfect accuracy across all devices
  • Manage Webflow CMS collections, structure dynamic content, and optimize workflows for efficient content updates and scaling
  • Implement custom HTML, CSS, and JavaScript to enhance Webflow's capabilities and integrate third-party tools and services
  • Collaborate with designers to translate Figma designs into fully functional Webflow sites while maintaining design fidelity and brand consistency
  • Optimize site speed, accessibility, SEO, and AEO best practices to improve user experience and search visibility
  • Implement A/B testing, conversion rate optimizations, and analytics integrations with Google Analytics, Marketo, and similar platforms
  • Perform rigorous cross-browser and mobile testing to ensure quality assurance and smooth user interactions
  • Partner with Marketing, Content, and Growth teams to develop high-converting landing pages and campaign assets

Requirements

  • 5+ years of professional experience developing Webflow websites in a professional setting
  • Strong proficiency in Webflow, Webflow CMS, and custom code (HTML, CSS, JavaScript)
  • Solid understanding of UX/UI principles and proven ability to work effectively with Figma designs
  • Demonstrated expertise in performance optimization, SEO/AEO best practices, and web accessibility standards
  • Experience with A/B testing, conversion rate optimization, and marketing analytics tools
  • Strong problem-solving skills with the ability to troubleshoot issues and implement creative solutions independently
  • Excellent collaboration and communication skills, with comfort working in fast-moving, agile, iterative development cycles

Nice to Have

  • Familiarity with Client-First or other established Webflow style guidelines and strategies
  • Experience with advanced Webflow animation techniques and custom integrations
  • Knowledge of marketing and growth metrics with a conversion-focused mindset

About the Company

Harness is an AI-powered software delivery platform founded by Jyoti Bansal (AppDynamics founder) and valued at $5.5B. The company provides CI/CD, feature flags, cloud cost management, and other DevOps solutions, having powered 128M deployments and optimized $1.9B in cloud spend.
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Harness is looking for a webflow developer based in Remote.

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