
Senior Frontend Engineer
Octopus Energy Group2 months ago
Barcelona, Spain or Valencia, SpainSenior
Responsibilities
- Develop and integrate frontend features with Octopus Energy Spain and international engineering teams.
- Own and contribute to frontend architecture for the private customer area, bill management, saving sessions, customer onboarding, and marketing dashboards.
- Deliver fast, customer-impacting code while adapting to changing priorities.
- Collaborate with Marketing and other internal stakeholders on customer-facing products.
- Optionally contribute to backend work using Python, Django, and GraphQL.
Requirements
- Strong proven experience as a Senior Frontend Engineer and solid knowledge of 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.
- Comfort with CSS-in-JS solutions; PandaCSS experience is a plus.
- Experience with Vitest, React Testing Library, and Playwright.
- Experience working within a monorepo structure.
- Fluent spoken English and the ability to collaborate in an international team.
- Backend experience with Python and Django, PostgreSQL familiarity, and a full-stack mindset are nice to have.
Benefits
- Full-time, 40-hour-per-week position with a hybrid work arrangement in Valencia or Barcelona.
- Octopus Energy share options.
- Flexible benefits including meal vouchers, transport, childcare, and private health insurance.
- Support for electric vehicle purchases and a pension plan.
- Training and professional development.
- Inclusive team culture and regular team events.
Tech Stack
Categories
About Octopus Energy Group
Octopus Energy Group supplies retail electricity and gas, invests in renewable generation, and licenses its Kraken software platform to utilities and energy companies. Its businesses span home energy, electric‑vehicle services, flexibility management, and SaaS for energy retailers and networks. Founded in 2015 and headquartered in London, the privately held company operates across multiple countries, including the UK, with Kraken licensed by major utilities globally.