Front End Engineer

AlphaX; New York (NY); On-site; USD 200,000 - 300,000; Full time

Job summary

A dynamic tech startup is seeking a founding Front-end Engineer to lead the development of core UI and product interfaces. The role involves building scalable front-end systems and shaping the user experience. Ideal candidates should have 4+ years of front-end development experience, ideally with React and TypeScript, and a strong product mindset. This full-time position based in New York is onsite only, focusing on collaboration within a hands-on startup culture.

Qualifications

• 4+ years of front-end development experience, preferably with React/TypeScript.
• Proven ability to build performant, scalable UIs in production environments.
• Strong product mindset focused on usability and design quality.

Responsibilities

• Build and own core UI components and front-end architecture of the product.
• Translate product and design concepts into polished, production-ready experiences.
• Ensure the application is fast, accessible, and responsive across devices.
• Collaborate closely with design and product teams to rapidly iterate on features.
• Contribute to technical direction and establish best practices as part of the founding team.

Skills

Front-end development

React

TypeScript

Usability

User experience

Job description

5 days ago Be among the first 25 applicants

This range is provided by AlphaX. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$200,000.00/yr - $300,000.00/yr

We're hiring a founding Front-end Engineer to lead the development of our core UI and product interfaces. You'll shape the user experience of our platform, build scalable and performant front-end systems, and help set the tone for our engineering culture. This is a hands‑on role for someone excited to work at the intersection of product, design, and engineering in a fast‑moving startup environment.

Work Arrangement

• 5-day onsite role; remote or hybrid options are not available

Key Responsibilities

• Build and own core UI components and front-end architecture of the product
• Translate product and design concepts into polished, production-ready experiences
• Ensure the application is fast, accessible, and responsive across devices
• Collaborate closely with design and product teams to rapidly iterate on features
• Contribute to technical direction and establish best practices as part of the founding team

Requirements

• 4+ years of front-end development experience (React/TypeScript preferred)
• Proven ability to build performant, scalable UIs in production environments
• Strong product mindset with a focus on usability, design quality, and user experience
• Comfortable working in an early-stage, high-ownership environment
• Bonus: experience in startups, high-growth companies, or shipping 0→1 products

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Other

Industries

IT Services and IT Consulting