Senior Frontend Engineer - UI, Architecture & Performance

Kaseya Careers; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Kaseya is seeking a senior UI Engineer to build scalable, high‑performance web applications for our SaaS products. You will collaborate with Product, Design, and Backend teams to deliver intuitive experiences and reusable UI components.

The role emphasizes frontend architecture, performance optimization, and mentoring other engineers, with opportunities to contribute to design systems and frontend standards across the platform.

Qualifications

• 6–8+ years of frontend/UI development experience.
• Strong proficiency in JavaScript and TypeScript.
• Hands-on React experience; Vue or Angular is a plus.
• HTML5, CSS3, responsive design, and modern web standards.
• Experience with state management libraries (Redux/Redux Toolkit, Zustand, Recoil).
• Experience integrating RESTful APIs and GraphQL.
• Experience building reusable components and design systems.
• Knowledge of frontend performance optimization and debugging.
• Experience with testing frameworks (Jest, RTL, Cypress/Playwright).
• Proficient with Git, CI/CD, and modern frontend tooling.

Responsibilities

• Build modern, scalable, high‑performance web applications for SaaS products.
• Collaborate with Product, Design, and Backend teams to deliver UI features end‑to‑end.
• Design reusable UI components and contribute to frontend architecture and systems.
• Optimize performance, rendering, bundle size, and user experience.
• Integrate frontends with REST/GraphQL APIs and complex data workflows.
• Write clean, maintainable, well‑tested code and participate in code reviews.
• Mentor engineers and help establish frontend standards and best practices.

Skills

JavaScript

TypeScript

React

Vue

Angular

HTML5/CSS3

Redux Toolkit

Zustand

Recoil

REST/GraphQL

Design systems

Frontend performance

Testing (Jest/RTL)

Git/CI/CD

Tools

Next.js

Tailwind CSS

Figma

Docker

Kubernetes

Job description

Kaseya is seeking a senior UI Engineer to build scalable, high‑performance web applications for our SaaS products. You will collaborate with Product, Design, and Backend teams to deliver intuitive experiences and reusable UI components.

The role emphasizes frontend architecture, performance optimization, and mentoring other engineers, with opportunities to contribute to design systems and frontend standards across the platform.