Senior Full-Stack Engineer

Role Overview

AdsX is hiring a Senior Full-Stack Engineer (title) with strong frontend focus for Zite, and the posting also includes a Support Manager track for Fillout. The company is fully remote, moves quickly, and emphasizes high quality and shipping products that reach millions.

Responsibilities

Zite / Frontend (Senior Frontend Engineer)

• Build core user experiences across products, including apps, forms, scheduling, websites, and database.
• Develop frontend features using React, Next.js, TypeScript, and Tailwind.
• Deliver fast, intuitive interfaces with strong attention to performance.
• Create and maintain component architecture.
• Collaborate with design to implement an extensible, consistent design system.

Fillout / Support Manager (Support function)

• Lead and level up the growing support team.
• Ensure top-tier customer support with a target of the top 1% SaaS support experiences.
• Coach and manage team performance across time zones.
• Improve core support metrics: CSAT, response time, backlog, and handle time.
• Partner with product and engineering to translate customer insights into product improvements.
• Build scalable support foundations: training, playbooks, response templates, and knowledge systems.
• Innovate with AI to improve efficiency while keeping support personal and human.

Requirements

Zite / Frontend

• 5+ years building frontend-heavy applications.
• Expertise in React, Next.js, TypeScript, and Tailwind.
• Strong grasp of performance and component architecture.
• Ability to implement a design system with close design collaboration.

Fillout / Support Manager

• 6+ years in technical customer support or customer success, ideally in SaaS.
• 3+ years leading high-performing support teams.

Nice-to-haves

• Experience introducing AI-driven automation and routing in support workflows.
• Demonstrated ability to systematize processes and continuously raise quality and speed.