Frontend Engineer

Evlo AI; Phoenix (AZ); On-site; USD 120,000 - 155,000; Full time

Job summary

Evlo AI is seeking a frontend engineer to own the user-facing architecture and build high-performance, accessible web applications serving millions of users daily.

You will collaborate with product managers, designers, and backend engineers to translate complex requirements into seamless, responsive frontend experiences using TypeScript, React, and modern tooling.

Qualifications

• 3–6 years of professional frontend experience.
• Strong JavaScript/TypeScript, HTML5, CSS3, and React skills.
• Experience with state management, bundlers, and CSS workflows.
• Knowledge of WCAG and cross-browser compatibility.
• Bachelor's degree in CS or related field.

Responsibilities

• Architect, build, and maintain scalable web apps using TS, React, and modern state management.
• Optimize performance for speed and scalability across devices and browsers.
• Collaborate with UI/UX designers for accessible, pixel-perfect interfaces.
• Write unit/integration/e2e tests with Jest, RTL, and Cypress.
• Participate in code reviews and mentor junior engineers.

Skills

JavaScript/TypeScript

React (hooks, concurrent rendering)

HTML5/CSS3

State management

Vite/Webpack

Tailwind CSS/CSS preprocessors

Web performance & WCAG

Testing: Jest/RTL/Cypress

Education

Bachelor's degree in Computer Science or related field

Tools

Next.js

GraphQL

React Native

Vite

Webpack

Job description

About The Role

The role owns the user-facing architecture, building high-performance, accessible, and responsive web applications that serve millions of users daily.

You will collaborate closely with product managers, UI/UX designers, and backend engineers to translate complex product requirements into seamless, intuitive frontend experiences.

Key Responsibilities

• Architect, build, and maintain scalable web applications using TypeScript, React, and modern state management libraries


• Optimize application performance for maximum speed and scalability across various devices and browsers


• Collaborate with UI/UX designers to implement pixel-perfect, accessible interfaces adhering to WCAG standards


• Write comprehensive unit, integration, and end-to-end tests using tools like Jest, React Testing Library, and Cypress


• Participate in code reviews, mentor junior engineers, and contribute to frontend architecture standards and best practices

What We Are Looking For

• 3–6 years of professional software engineering experience specializing in modern frontend development


• Deep expertise in JavaScript/TypeScript, HTML5, CSS3, and modern React ecosystems including hooks and concurrent rendering


• Solid experience with state management solutions, module bundlers (Vite, Webpack), and CSS preprocessors or Tailwind CSS


• Understanding of web performance optimization techniques, core web vitals, and cross-browser compatibility issues


• Bachelor's degree in Computer Science, related technical field, or equivalent practical experience


• Bonus: Experience with Next.js, server-side rendering (SSR), GraphQL, or mobile development via React Native