Frontend Developer for Growth & UX (React/TypeScript)

Netrolynx AI; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

Sierra is seeking a talented Frontend Developer to shape the user experience across our product interfaces and marketing pages. You will build cohesive frontend features aligned with brand standards and work with marketing, design, and product teams to drive growth and performance.

You will implement content infrastructure with Sanity CMS, support localization, and ensure fast, accessible web experiences across devices.

Qualifications

• Frontend development with modern JavaScript/TypeScript and React experience.
• Strong eye for UI/UX design and craftsmanship.
• Experience with headless CMS like Sanity and structured content models.
• Knowledge of performance optimization, accessibility, and internationalization.
• Excellent communication with non-engineering teams.

Responsibilities

• Own frontend features across product and marketing platforms.
• Build content infrastructure with Sanity CMS and structured models.
• Collaborate with marketing, sales, and operations to integrate analytics and experiments.
• Support localization and internationalization workflows.
• Prioritize performance and Core Web Vitals, optimize media and layouts.
• Champion accessibility with WCAG-compliant components.

Skills

Frontend development

JavaScript

TypeScript

React

UI/UX design

Accessibility

Performance optimization

Cross-functional collaboration

Tools

Sanity CMS

Job description

Sierra is seeking a talented Frontend Developer to shape the user experience across our product interfaces and marketing pages. You will build cohesive frontend features aligned with brand standards and work with marketing, design, and product teams to drive growth and performance.

You will implement content infrastructure with Sanity CMS, support localization, and ensure fast, accessible web experiences across devices.