Senior Front-End Engineer for AI-Powered Web Platforms

Code and Theory; New York (NY); On-site; USD 110,000 - 160,000; Full time

Job summary

Code and Theory is seeking a Front-End Engineer to build AI-native digital platforms and user experiences powering enterprise marketing workflows. You will work with Engineering, Product, and Design to develop modern, performant frontend applications across web and AI-enabled systems.

You will translate concepts into polished interfaces, collaborate on end-to-end delivery, and craft reusable components to boost velocity and consistency across teams.

Qualifications

• Production frontend apps built with React, Next.js and TypeScript.
• Experience with UI libraries and design systems (Radix UI, shadcn/ui, Tailwind).
• Strong knowledge of responsive design, accessibility, performance and scalable UI architecture.
• Experience integrating frontend apps with headless CMSs and backend APIs.
• Familiarity with frontend tooling, Git workflows, testing and CI/CD, plus analytics, SEO and performance optimization.
• Excellent communication and collaboration skills; experience in agency/consultancy or enterprise SaaS.
• Familiarity with Vercel and cloud platforms (AWS/Azure/GCP).
• Experience with data visualization libraries such as D3 or Highcharts is a plus.
• Comfort using AI-enabled tools to accelerate engineering, automation, debugging and operations.
• Experience orchestrating multi-step AI workflows and building prompts/evaluations for reliability.

Responsibilities

• Build and ship frontend applications and user experiences that power AI-native digital platforms.
• Translate design concepts and wireframes into polished, production-ready interfaces.
• Partner with Product, Design, and Engineering to deliver high-quality digital experiences end to end.
• Create reusable components and patterns that raise consistency and development velocity.
• Prototype and iterate quickly on new features and user experiences.
• Participate in code reviews, technical discussions, and the team's engineering practices.
• Help advance how the team builds with AI across the development lifecycle.

Skills

React

Next.js (App Router)

TypeScript

UI frameworks

Responsive design

Accessibility (a11y)

Frontend tooling

APIs integration

Analytics/SEO/Performance

Team collaboration

Agency/consultancy/enterprise SaaS

Cloud platforms (AWS/Azure/GCP)

Job description

Code and Theory is seeking a Front-End Engineer to build AI-native digital platforms and user experiences powering enterprise marketing workflows. You will work with Engineering, Product, and Design to develop modern, performant frontend applications across web and AI-enabled systems.

You will translate concepts into polished interfaces, collaborate on end-to-end delivery, and craft reusable components to boost velocity and consistency across teams.