Senior Frontend Engineer – Growth

🕒 August 4

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 11%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2013

💼 Consulting

📣 Marketing

☁️ SaaS

Consulting • Marketing • SaaS

Close is a customer relationship management (CRM) software platform designed for small businesses, focusing on ease of use, automation, and integration with sales processes. It offers tools for call management, emailing, text messaging, and task scheduling all within a single platform. The platform eliminates the need for multiple tools by incorporating all necessary sales tools seamlessly. Close aims to empower small businesses to grow by being user-friendly, clutter-free, and equipped with automated sales functionalities, enhancing sales efficiency and effectiveness.

📋 Description

• Build agent-forward onboarding experiences where an AI agent teaches users by clicking, highlighting, demonstrating the app, and speaking to them • Build the experience that turns connected inbox data into detected deals, contacts, and a full book of business • Design experiments by deciding what to instrument, defining funnels, and structuring metrics for B2B conversion and user behavior • Own experimentation in Amplitude end to end • Work across onboarding, activation, billing, import, and other product surfaces • Ship prototypes quickly, identify the fastest path to insight, and standardize and clean up successful experiments • Help shape how Growth frontend engineering works at Close • Collaborate across teams and potentially move between teams as work shifts

🎯 Requirements

• Seasoned frontend engineer • React experience; familiarity with Vue, Svelte, or Solid is applicable • Ability to select appropriate tools for a problem • Experience with varied frontend problems, collaboration, and self-direction • Fluency in experimentation, including identifying experiment data points, understanding funnels, and designing features that produce meaningful data • Experience with B2B experiment structures • Amplitude implementation-side experience is a strong bonus • Experience shipping LLM-backed features to real users • Understanding of trustworthy AI interfaces, streamed responses, uncertain states, and agent-driven UIs • Daily use of AI tools in development workflows • Builder-first approach and comfort shipping initial iterations, then standardizing and cleaning up • Ability to work remotely • Ability to legally work in the United States • Availability for international week-long team offsites • Proficiency with TypeScript, React, Vite, Amplitude, CSS Modules, Storybook, Playwright, and WebSockets

🏖️ Benefits

• 100% remote work • Company-funded AI tools, including Claude Code, Codex, and other best-in-class developer tools • Learning and experimentation treated as part of the work • Annual company-wide in-person team retreat/offsite • International week-long team offsites • Opportunity to work with open-source projects and ideas