Lead Frontend Engineer

infinniinnovationssa; United States; Remote; USD 150,000 - 210,000; Full time

Benefits offered by this job

Flexible hours

Yearly company offsite

Relocation package to Spain (may be aV

Job summary

infinniinnovationssa is seeking an experienced Frontend Lead to build systems that streamline design-to-code handoffs and reduce gaps. You will define frontend standards, develop AI-supported workflows, and advance the code as the reference for product implementation.

The role blends technical leadership with hands-on frontend work, design system contributions, and coaching designers leveraging AI. The ideal candidate has 7+ years of frontend experience, leadership in architecture and reviews,

Qualifications

• At least seven years of frontend experience, including two or more years leading technical work, architecture, standards, and code review.
• Hands-on experience building AI agents and workflows, including tool use, prompts, evaluation, guardrails, and integration into development processes.
• Advanced daily use of AI coding tools and experience with capabilities such as hooks, subagents, or tool integrations.
• Expert React and strict TypeScript skills; strong Tailwind CSS and component library experience.
• Experience with design systems, token pipelines, theming, component APIs, and documentation tools.
• Testing experience across unit, component, end-to-end, and visual regression; practical accessibility and internationalization knowledge.
• Familiarity with performance profiling, frontend tooling, monorepos, CI workflows, Git, and fluent written and spoken English.

Responsibilities

• Set and enforce standards for production-ready frontend work created within Design.
• Build the tools, agents, and workflows that help Design, Product, and Engineering move work toward release.
• Review designers’ code and provide guidance that improves quality and helps them learn.
• Partner with design system colleagues on reusable components, tokens, and system improvements.
• Create practical documentation, examples, and guardrails for AI-assisted design and development.
• Add automation and checks to catch design system violations before review or release.

Skills

AI workflows

Frontend architecture

Code review

English communication

Mentorship

React

TypeScript

Design system knowledge

Tools

React

TypeScript

Tailwind CSS

Design tokens

Git

CI/CD

Monorepos

Job description

Role overview

Build the systems that let a design team take work from an idea to production-ready code with fewer handoff gaps. Embedded in Design, you will define frontend standards, develop AI-supported workflows and tools, and help establish code as the reliable reference for product implementation. The role combines technical leadership with hands-on frontend development, design system work, and coaching designers who build with AI.

Responsibilities

• Set and enforce standards for production-ready frontend work created within Design.
• Build the tools, agents, and workflows that help Design, Product, and Engineering move work toward release.
• Review designers’ code and provide guidance that improves quality and helps them learn.
• Partner with design system colleagues on reusable components, tokens, and system improvements.
• Create practical documentation, examples, and guardrails for AI-assisted design and development.
• Add automation and checks to catch design system violations before review or release.

Requirements

• At least seven years of frontend experience, including two or more years leading technical work, architecture, standards, and code review.
• Hands-on experience building AI agents and workflows, including tool use, prompts, evaluation, guardrails, and integration into development processes.
• Advanced daily use of AI coding tools and experience with capabilities such as hooks, subagents, or tool integrations.
• Expert React and strict TypeScript skills; strong Tailwind CSS and component library experience.
• Experience with design systems, token pipelines, theming, component APIs, and documentation tools.
• Testing experience across unit, component, end-to-end, and visual regression; practical accessibility and internationalization knowledge.
• Familiarity with performance profiling, frontend tooling, monorepos, CI workflows, Git, and fluent written and spoken English.

Nice to have

• Electron or desktop application experience; deeper knowledge of accessibility or internationalization standards; internal developer tools, command-line tools, or code generation experience.
• Background in SaaS, CRM, or creator-focused products, or Chinese or Spanish language skills.

Benefits and work setup

• Flexible hours and a yearly company offsite. A relocation package may be available for moves to Spain; eligibility details are not specified.