About the role

Role Overview

You’ll build AI-native frontend applications and user experiences that power enterprise marketing workflows. You’ll collaborate with Engineering, Product, and Design to deliver modern, performant, scalable web experiences across web and AI-enabled systems.

The company’s platform, “The Machine,” acts as an agentic operating system for marketing—connecting tools marketing teams use and turning disconnected workflows into a unified intelligent system.

Responsibilities

Build and ship frontend applications and UX for AI-native digital platforms
Translate design concepts and wireframes into polished, production-ready interfaces
Partner cross-functionally with Product, Design, and Engineering to deliver end-to-end experiences
Create reusable components and patterns to improve consistency and engineering velocity
Prototype and iterate quickly on new features and experiences
Participate in code reviews, technical discussions, and engineering practices
Help advance how the team builds with AI across the software development lifecycle

Requirements

Strong production experience with React, Next.js (App Router), and TypeScript
Proficiency with modern UI systems/component libraries such as Radix UI, shadcn/ui, and Tailwind (or similar)
Solid grounding in responsive design, accessibility (a11y), frontend performance, and scalable UI architecture
Experience integrating frontend apps with headless CMS and backend APIs
Familiarity with frontend tooling, Git, testing practices, and CI/CD; plus analytics, SEO, and performance optimization
Strong attention to detail and design sensibility, with good communication and collaboration
Experience in agency, consultancy, or enterprise SaaS environments
Familiarity with Vercel and cloud platforms such as AWS, Azure, or GCP
Comfort using AI-enabled tools day-to-day to accelerate development and operations
Experience orchestrating multi-step / agent-driven AI workflows (models, tools, execution patterns)
Ability to harden AI-assisted output for security, scalability, maintainability, and architectural fit; experience building prompts, evaluations, and operational context

Nice to Haves

Experience with data visualization libraries such as D3 or Highcharts
Familiarity with agentic systems and operational evaluation practices for AI reliability

About Code and Theory

Code and Theory is a digital-first creative agency that combines creativity and technology to solve both consumer and business problems. It builds AI-native digital platforms and enterprise marketing workflows, supporting clients with end-to-end experiences and new capabilities across a global network of agencies.

Senior Engineer, Full-stack (US)

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