Senior Frontend Engineer — Global Impact, Hybrid

Octopus Energy Group; Valencia; Híbrido; EUR 70.000 - 100.000; Jornada completa

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Flexible benefits

EV purchase support

Pension plan

Training & development

Team events

Descripción de la vacante

Octopus Energy is seeking a Senior Frontend Engineer to scale our ES platform and customer onboarding flows. You will own frontend architecture end-to-end, collaborating with international teams across Europe while focusing on TypeScript, React, and Next.js.

The role centers on the private area, bill management, and marketing dashboards, with a flexible move into backend tasks (Python/Django) if you have interest and skills. Barcelona or Valencia hybrid work.

Formación

• Strong, proven experience as a Senior Frontend Engineer with modern frontend architecture.
• Deep expertise in TypeScript and React.
• Hands-on experience with Next.js, ideally hosted on Vercel.
• Experience with GraphQL as a data layer.
• CSS-in-JS solutions; PandaCSS exposure is a plus.
• Solid testing practices with Vitest, React Testing Library, Playwright.
• Experience in a monorepo structure.

Responsabilidades

• Collaborate internationally with ES and global teams to develop and integrate features.
• Own key product modules including the private area, bill management, and onboarding optimization.
• Deliver code that directly impacts customers in a fast-paced environment.
• Thrive in an agile culture with flat hierarchies and innovation.
• Be flexible to work across different areas and potentially engage in backend work (Python/Django, GraphQL).

Conocimientos

TypeScript

React

Next.js

GraphQL

CSS-in-JS

Vitest

React Testing Library

Playwright

Monorepo

Python Django

PostgreSQL

Herramientas

Vercel

Descripción del empleo

Octopus Energy is seeking a Senior Frontend Engineer to scale our ES platform and customer onboarding flows. You will own frontend architecture end-to-end, collaborating with international teams across Europe while focusing on TypeScript, React, and Next.js.

The role centers on the private area, bill management, and marketing dashboards, with a flexible move into backend tasks (Python/Django) if you have interest and skills. Barcelona or Valencia hybrid work.