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Senior Web Developer (Growth & Conversion Optimization)
Clay
New York City, USA
Full-time
Senior · 5+ years experience
Hybrid
USD 130000-160000 yearly / year
Discovered 1 weeks ago
WebflowJavaScriptTypeScriptHTML5CSS3REST API
Free
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WebflowJavaScriptTypeScriptHTML5CSS3REST API
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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. We're 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 11,000+ 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!
What You'll Do
Build high-converting web experiences in Webflow. You'll 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. You'll ship quickly with a fast launch cadence, moving from brief to production-ready code without heavy handoffs.
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