CareerPlan

Senior Frontend Engineer, Growth

US - SeattleFull-time2026-10-19 → 2026-11-09
Hybrid

Core

Design, build, and own high-performance web experiences and frontend platforms powering customer acquisition, activation, conversion, retention, and expansion using AI-native tools.

Role type

Senior Frontend Engineer (Growth)

Builds

Scalable frontend experiences, AI-powered user interfaces, growth funnels, campaign management platforms, and personalized customer journeys.

Domain

Fintech / Global Payments / AI

Deliverable

production ML models | product features

Required skills

JavaScript, TypeScript, React, frontend architecture, web performance optimization, state management, API integration, responsive design, accessibility, component design, experimentation, feature flagging, data-driven iteration, mentoring.

Preferred skills

Growth platforms, campaign management systems, A/B testing, analytics instrumentation, Next.js, server-side rendering, static generation, design systems, rapid prototyping, high-growth tech experience.

Technologies

React, TypeScript, Next.js, JavaScript

Responsibilities

Build scalable frontend experiences including high-performance websites and landing pages; Develop AI-native user experiences and intelligent workflows; Own end-to-end technical delivery of complex frontend applications; Drive performance and experimentation to improve SEO and conversion; Solve ambiguous business problems by partnering with cross-functional teams; Elevate frontend engineering quality through architecture and mentoring.

Seniority

Senior, hands-on IC