# Web Developer

**Company:** [Clay](https://hotfix.jobs/companies/clay)
**Location:** New York, NY
**Role:** Frontend Engineering
**Salary:** $130k – $160k/yr
**Experience:** 5+ years
**Skills:** webflow, JavaScript, TypeScript, HTML, css3, REST APIs, Webhooks, OAuth, Git, Node.js, React, serverless functions, A/B Testing, core web vitals, technical seo
**Posted:** 2026-04-03

> Build and optimize Webflow-based websites, landing pages, conversion funnels, integrations, and experimentation infrastructure. The role requires 5+ years of web development experience, expert Webflow skills, strong JavaScript/TypeScript fundamentals, and demonstrated success improving conversion rates.

## Job Description

## Responsibilities
- Build high-converting web experiences in Webflow, including landing pages, conversion funnels, and website features from concept through launch.
- Write custom JavaScript for interactive elements, build CMS architectures, and implement advanced Webflow functionality.
- Develop integrations, APIs, webhooks, automation, custom middleware, event-tracking architectures, and data flows across Webflow, CRM, analytics, and marketing automation platforms.
- Build A/B testing frameworks, experimentation infrastructure, and personalization engines.
- Analyze funnel data, identify bottlenecks, and implement technical solutions that improve conversion rates.
- Balance rapid iteration with code quality, maintainability, performance, accessibility, and reliability.
- Partner with Marketing, Product, and Growth teams to translate business goals into technical solutions.
- Lead development projects, provide technical guidance, and support initiatives through launch.
- Explore advanced web experiences using technologies such as GSAP and Three.js while maintaining performance and conversion goals.

## Requirements
- 5+ years of professional web development experience, including at least 3 years building conversion-focused websites and landing pages.
- Expert Webflow development skills, including advanced CMS implementations, custom code integration, and complex builds.
- Strong programming fundamentals in JavaScript/TypeScript, HTML5, and CSS3.
- Experience building REST API clients, implementing webhooks, handling OAuth flows, and debugging integration issues.
- Experience with Git, Node.js, React or similar frameworks, serverless functions, and build tools.
- Track record of improving conversion rates through technical testing, optimization, and experimentation.
- Understanding of A/B testing methodology, statistical significance, and CRO best practices.
- Strong web performance expertise, including Core Web Vitals optimization.
- Portfolio demonstrating exceptional development skills and end-to-end technical ownership, including live websites, complex functionality, code samples, or GitHub repositories.
- Systems mindset for scalable, maintainable codebases and reusable components.
- Strong collaboration and communication skills, including explaining technical concepts to non-technical teams.
- Analytical thinking combined with business acumen and understanding of conversion metrics, user behavior, and revenue.
- Ability to work autonomously from requirements through deployment.
- High standards with a willingness to ship, iterate, and improve.

## Nice-to-Haves
- Familiarity with Three.js, GSAP, and animation libraries.
- Experience with GA4, Segment, Mixpanel, and custom tracking.
- Backend development or full-stack capabilities.
- Understanding of technical SEO and search optimization.
- Experience in high-growth startups or fast-paced environments.
- Open-source contributions or technical writing.

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**Canonical:** https://hotfix.jobs/jobs/8cfc503a-6d97-45af-bc4a-5a39f52b1f90