Frontend Engineer II — Build Scalable Green Web Apps

Octopus Energy Group; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

Octopus Energy Group is seeking a Frontend Engineer II to join our Accounts team. You’ll work with a stack that includes React, TypeScript (desirable), Next.js on Vercel (desirable), and GraphQL.

The role focuses on building scalable, accessible web experiences for our customers and business clients. You’ll collaborate across marketing, operations, and data to ship features that drive the green energy transition and improve the user experience.

Qualifications

• 3+ years of experience with modern frontend tech stack.
• Ability to build accessible, scalable web experiences.
• Experience delivering high-traffic websites with performance in mind.

Responsibilities

• Own frontend features from concept to production.
• Collaborate with marketing, operations, and data teams to deliver user-focused experiences.
• Ensure accessibility and performance across the product surfaces.

Skills

Frontend development

Accessibility

Performance optimization

Web testing

Tools

React

TypeScript

Next.js

GraphQL

React Testing Library

Playwright

Job description

Octopus Energy Group is seeking a Frontend Engineer II to join our Accounts team. You’ll work with a stack that includes React, TypeScript (desirable), Next.js on Vercel (desirable), and GraphQL.

The role focuses on building scalable, accessible web experiences for our customers and business clients. You’ll collaborate across marketing, operations, and data to ship features that drive the green energy transition and improve the user experience.