Senior Frontend Engineer – AI Safety Platform

Mpathic; United States; Remote; USD 110,000 - 165,000; Full time

Job summary

mpathic is seeking a Senior Front End Engineer to design and build intuitive, high-performance frontend experiences across our platform and AI safety products. You’ll own features end-to-end, from UI concepts to production-ready code, collaborating with backend engineers and cross-functional teams.

We value strong React and TypeScript expertise, data-heavy UI work, and a thoughtful UX approach. You’ll contribute to scalable patterns, performance, and accessible interfaces in a fast-moving

Qualifications

• 5+ years frontend development experience with React and related ecosystem.
• Strong proficiency in JavaScript/TypeScript, HTML5, and CSS3.
• Experience building data-heavy web apps with charts, graphs, and real-time updates.
• Solid understanding of state management, component libraries, and frontend performance.
• Experience with modern styling frameworks like Tailwind, MUI, CSS Modules.
• Strong UI/UX design sense and usability focus.
• Experience integrating frontend with RESTful APIs.
• A portfolio demonstrating frontend engineering and product development work.
• Excellent problem-solving and attention to detail.
• Ability to own work end-to-end and collaborate across teams.
• Curiosity about emerging frontend technologies and pragmatic evaluation.

Responsibilities

• Frontend Development: design, develop, test, and maintain intuitive user interfaces.
• Build data-heavy experiences that clarify AI outputs and workflows.
• API Integration: collaborate with backend to connect RESTful services.
• UI/UX & Product design: wireframes input and translate user needs.
• Performance & responsiveness: optimize for accessibility across devices.
• Component architecture: create reusable frontend components and standard patterns.
• Code quality: write clean, well-documented code and follow best practices.
• Cross-functional collaboration: work with product, AI, and other teams.
• Technical problem-solving: diagnose frontend issues and optimize performance.
• Research & experimentation: evaluate new frontend technologies and approaches.

Skills

React

TypeScript

JavaScript

HTML5

CSS3

Redux

React Query

CSS-in-JS

Tailwind

MUI

CSS Modules

UI/UX principles

RESTful APIs

Portfolio

Problem-Solving

Technical Ownership

Continuous Learning

Tools

Redux

React Query

Tailwind

MUI

CSS Modules

Job description

mpathic is seeking a Senior Front End Engineer to design and build intuitive, high-performance frontend experiences across our platform and AI safety products. You’ll own features end-to-end, from UI concepts to production-ready code, collaborating with backend engineers and cross-functional teams.

We value strong React and TypeScript expertise, data-heavy UI work, and a thoughtful UX approach. You’ll contribute to scalable patterns, performance, and accessible interfaces in a fast-moving