Senior Frontend Lead for AI-Powered Analytics

FashionUnited; Aarhus; Hybrid; DKK 750,000 - 1,050,000; Full time

Job summary

BESTSELLER is seeking a Senior Frontend Developer to drive frontend design in AI applications within the Appretio platform. You will translate data-heavy requirements into high-performance interfaces, mentor engineers and shape production frontends at scale.

You will collaborate with merchandisers, data scientists and engineers to set technical direction, apply UI/UX best practices and ensure reliable, responsive user experiences in a data-driven landscape.

Qualifications

• Experience building production-grade frontends for data-heavy analytics.
• Strong leadership and mentoring capabilities.
• Proficient in React/TypeScript with modern frontend tooling.
• Fluent English communication across technical and non-technical teams.

Responsibilities

• Design and deliver frontend features for a data-heavy analytics app.
• Drive frontend architecture decisions for performance and maintainability.
• Apply UI/UX best practices to complex analytics workflows.
• Collaborate with product, data science and backend teams to translate needs into seamless UX.
• Monitor, debug and optimise frontend apps for reliability and speed.
• Mentor engineers and raise engineering standards across the team.

Skills

Mentoring engineers

Strong communication

Fluent English

Frontend craftsmanship

UI/UX awareness

Education

Bachelor's degree in Computer Science or related field

Tools

React

TypeScript

Tanstack Query

Vitest

Playwright

Storybook

Vanilla Extract

Ag Grid

Ag Charts

Job description

BESTSELLER is seeking a Senior Frontend Developer to drive frontend design in AI applications within the Appretio platform. You will translate data-heavy requirements into high-performance interfaces, mentor engineers and shape production frontends at scale.

You will collaborate with merchandisers, data scientists and engineers to set technical direction, apply UI/UX best practices and ensure reliable, responsive user experiences in a data-driven landscape.