Senior AI Frontend Engineer

This is a fully remote position, open to applicants in Spain.

📋 Description

• Conduct research, prototype, develop, launch, and scale innovative AI products within Leadtech's portfolio.

• Guide new products from ideation and research through prototyping, building, releasing, and scaling.

• Take ownership of features from start to finish.

• Quickly create interactive prototypes, test them with users, and determine whether to refine or discard them.

• Strengthen codebases as products gain traction and user bases expand.

• Ensure performance and quality while broadening product scope.

• Adapt features based on actual user behavior.

• Manage frontend architecture, component library, design system, and overall user experience.

• Design and develop high-conversion landing pages, checkout processes, and paywalls.

• Design and implement LLM-powered product functionalities.

• Develop skills, automations, and internal tools.

• Instrument features, conduct experiments, analyze funnel data, and iterate based on findings.

• Collaborate with a global product team and contribute to direct P&L impacts.

⛳️ Requirements

• Over 5 years of experience in frontend engineering.

• Strong expertise in TypeScript and React, including Hooks, Context API, state management, Vite, Tailwind, and Shadcn UI.

• Proven history of owning significant frontend areas.

• Ability to identify and articulate effective UX, supported by examples from personal work.

• Proficient in using Figma.

• Understanding of typography, spacing, and motion design.

• Experience with design systems and robust component APIs.

• Experience in creating responsive, mobile-first designs.

• Knowledge of accessibility standards and frontend performance, including bundle size considerations.

• Capability to differentiate prototypes from production-ready code for a growing user base.

• Utilizes AI as a standard part of the development process.

• Experience in building skills, agents, or automations.

• Familiarity with marketing websites, landing pages, or checkout processes.

• Understanding of conversion optimization factors.

• Experience in conducting or interpreting A/B tests.

• Proficiency in Node.js, Express, REST APIs, and PostgreSQL.

• Ability to work independently on ambiguous challenges.

• Strong communication skills and comfort collaborating beyond the engineering team.

• Business acumen with a focus on measurable results.

• Previous experience in launching and scaling products within a startup, venture studio, or internal product team is advantageous.

• Hands-on SEO experience is a plus.

• Familiarity with Amplitude and GA4 is beneficial.

• Experience in LLM engineering is a plus.

• Enthusiasm for AI and knowledge of emerging models, protocols, and developer tools is a bonus.

🏝️ Benefits

• Competitive compensation package.

• Flexible working hours.

• Health insurance coverage.

• Ongoing training opportunities.

• Customized internal training programs.

• Annual budget allocated for external learning opportunities.

• Flexible schedule with options for flextime.

• Choice to work fully remotely or from the Barcelona office.

• Enjoy free Friday afternoons.

• 7-hour workdays.

• 35-hour workweeks during July and August.

• Comprehensive private health insurance, including dental and psychological support.

• 25 days of vacation per year.

• Day off for your birthday.

• Flexible vacation options with no blackout dates.

• Complimentary coffee, fresh fruit, snacks, a game room, and a rooftop terrace at the Barcelona office.

• Ticket restaurant benefits.

• Nursery vouchers available.

• Full-time permanent contract offered.