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Senior Full-Stack Engineer

AdsX

full-remoteseniorpermanentfrontendcustomer-successproduct-management United States Today via LinkedIn

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Tags

ReactNext.jsTypeScriptTailwind CSSFrontend PerformanceDesign SystemsSaaS SupportCustomer SuccessAI AutomationAgile

About the role

Role overview

The company is hiring a Senior Full-Stack Engineer (listed content also includes Senior Frontend and a Support Manager track). Based on the detailed sections, the role emphasizes building core frontend user experiences for Zite and also includes a support leadership component for Fillout.

Responsibilities

  • Frontend product development: Build core user experiences across apps, forms, scheduling, websites, and database-related UI.
  • Design system implementation: Collaborate with design to implement a consistent, extensible design system.
  • Performance and UI quality: Ensure interfaces feel fast and intuitive; maintain high-quality component architecture.
  • Support leadership (Fillout):
    • Lead and develop a high-performing support team across time zones.
    • Improve support metrics such as CSAT, response time, backlog, and handle time.
    • Refine processes for speed, consistency, and quality.
    • Systematically capture customer feedback and champion the customer perspective with cross-functional teams.
    • Create training materials, playbooks, response templates, and knowledge systems to scale support.
    • Pioneer AI automation and intelligent routing while keeping personalized, human interaction.

Requirements

  • Frontend expertise:
    • React, Next.js, TypeScript, Tailwind
    • Strong grasp of performance and component architecture
    • 5+ years building frontend-heavy applications
  • Support leadership (if applying to the Support Manager component):
    • 6+ years in technical customer support/success in SaaS (preferred)
    • 3+ years leading high-performing support teams
    • Ability to balance strategy and execution

Nice-to-haves

  • Experience building or scaling support operations with AI-driven automation.
  • Experience working closely with design and engineering to deliver extensible UI and scalable processes.

About AdsX

AdsX builds software products for large-scale end users, including Fillout, a no-code builder for forms, scheduling, and workflows, and Zite, a rapidly growing product launched in 2025. The company operates with a lean, ambitious fully remote team and focuses on shipping high-quality products with strong investor backing.

Scraped 7/27/2026