About Clay

Our mission is to help organizations turn any growth idea into reality.

We see growth as a creative practice not a formula. Finding and reaching your best-fit customers takes unique ideas and constant iteration. As AI makes execution faster and tactics easier to copy creativity is the only lasting advantage. Were already helping thousands of customers including Anthropic Notion Google and Ramp go to market with unique data signals and AI research.

In 2025 we raised a $100M Series C backed by world-class investors including Sequoia CapitalG and First Round and crossed $100M in revenue.

In 2026 we announced our second employee tender offer in 9 months at a new $5B valuation. We also launched a community equity round for our customers agency partners and club members.

Some things to know about us:

• Our community includes 11000 customers 150 integration partners 125 agencies 50 Clay clubs and 30k members on Slack.

• Our culture is unique inside and outside of work. Our team members are also DJs activists writers clowns marathoners skydivers psychedelic therapists social workers and more.

• All employees can work for free with world-class coaches who specialize in creativity management and more.

• Our operating principles including negative maintenance and non-attached action guide our work. Read more about them here.

• Read about us in the NYT Forbes First Round Review and more.

Hear from our employees directly on our Glassdoor page!

Web Developer (Growth & Conversion Optimization)

What Youll Do

Build high-converting web experiences in Webflow. Youll own the development of landing pages conversion funnels and website features from concept through launch. This includes writing custom JavaScript for interactive elements building CMS architectures and pushing Webflow to its limits with advanced functionality. Youll ship quickly with a fast launch cadence moving from brief to production-ready code without heavy handoffs.

Develop the technical infrastructure that powers growth. Youll architect and implement the integrations APIs webhooks and automation that connect our web properties to the broader marketing and sales stack. This means building custom middleware debugging complex integration issues implementing event tracking architectures and ensuring data flows seamlessly between Webflow our CRM analytics platforms and marketing automation tools. Youll write production-grade code thats maintainable scalable and built to last.

Own conversion optimization through code. Youll design and implement A/B testing frameworks experimentation infrastructure and personalization engines that enable systematic improvement of conversion rates. Youll analyze funnel data to identify bottlenecks translate insights into technical solutions and build features that reduce friction and drive measurable improvements in key metrics.

Ship with technical excellence and collaborator. Youll balance speed with quality knowing when to refactor and when to iterate. You make strong technical decisions under pressure keep stakeholders informed without slowing down and refine based on real performance data and conversion metrics. Youre opinionated about code quality web performance and best practices but pragmatic about shipping.

Collaborate to translate business goals into technical solutions. Youll partner closely with Marketing Product and Growth teams to understand objectives and build the technical solutions that deliver results. Youre comfortable leading development projects providing technical guidance to stakeholders and supporting new initiatives through launch. You translate non-technical requirements into clean efficient code.

Push technical boundaries while maintaining reliability. Youll explore new ways to create standout web experienceswhether thats implementing advanced animations with GSAP building interactive elements with or creating dynamic personalization systems. But you never sacrifice performance accessibility or conversion for flashy features. Every technical decision serves the user experience and business goals.

What Youll Bring

• 5 years of professional web development experience with at least 3 years building conversion-focused websites and landing pages

• Expert-level Webflow development skills including advanced CMS implementations custom code integration and complex builds that push the platforms capabilities

• Strong programming fundamentals in JavaScript/TypeScript HTML5 and CSS3. You write clean maintainable code that other developers can understand and build upon

• API integration expertisecomfortable building REST API clients implementing webhooks handling OAuth flows and debugging integration issues. Youve connected web properties to CRMs marketing automation platforms and analytics tools

• Experience with modern web development tools and frameworks: Git version control React (or similar) serverless functions and build tools. Familiarity with GSAP and animation libraries is a plus

• A proven track record of improving conversion rates through technical implementation of tests optimizations and experiments. You understand A/B testing methodology statistical significance and CRO best practices

• Web performance obsessionyou optimize for Core Web Vitals write efficient code and know how to make websites fast. Youve debugged performance issues and shipped measurable improvements

• A portfolio demonstrating exceptional development skills: Live websites youve built complex functionality youve implemented and projects where you owned the technical execution end-to-end. Include code samples or GitHub repositories

• A systems mindset for building scalable maintainable codebases and reusable components with the flexibility to move fast when needed

• Strong collaboration and communication skillsyou keep stakeholders informed explain technical concepts clearly to non-technical teams and work effectively across functions

• Analytical thinking paired with business acumen. You understand how your code impacts conversion metrics user behavior and revenue

• The ability to work autonomously taking projects from requirements through deployment without constant oversight while keeping teams aligned

• A get-it-done attitude with high standards. You ship you iterate you improve

Bonus points for:

• Experience with analytics platforms (GA4 Segment Mixpanel) and implementing custom tracking

• Backend development experience or full-stack capabilities

• Understanding of technical SEO and search optimization

• Previous experience in high-growth startups or fast-paced environments

• Contributions to open-source projects or technical writing

Required Experience:

IC