Frontend Engineer

🌍 We’re Revolutionizing Energy to Change the World

At Octopus Energy , we’re not your typical utility company. We’re a team of passionate people working every day to make energy 100% renewable, accessible, and fair for everyone.

We believe technology and innovation are key drivers of change . Our mission is to transform the way the world consumes energy breaking down barriers, simplifying processes, and delivering a more human and transparent service.

That’s why our commitment is clear: clean energy should be the norm, not the exception. To achieve this, we combine sustainability with a people-first approach, delivering outstanding service and building a team that shares our vision.

💡 But none of this would be possible without people like you. To keep growing and transforming the energy sector, we’re looking for talent that wants to make a real difference. If you want to be part of this change, bring your energy, and help build a greener future, we want to meet you!!

🔍 What are we looking for?

We’re looking for a Frontend Engineer to join a very special team within Octopus Energy: the team responsible for building and scaling https://octopusenergy.es/ , our customer onboarding flows, and our customer private area .

You’ll be an active contributor to this space, working with Marketing and other internal stakeholders, and collaborating regularly with our international engineering teams across Europe . You’ll have the support of experienced engineers while taking real ownership of features from day one . We’re looking for someone who enjoys solving real problems for real customers, wants to keep growing technically , and is flexible enough to jump into different areas of the business as needed.

Your focus will be primarily Frontend , but if you’re curious about Backend or have a Fullstack mindset, that’s a big plus.

🐙 We call it the “Octopus Effect”

Working at Octopus Energy means being part of a company where culture and people come first .

💜 We’re committed to flexibility and work-life balance.

🚀 We want you to grow and reach your full potential.

🌱 We believe in a fairer and more sustainable energy model.

🧠 What you’ll do

The Octopus Energy tech team is responsible for the sites, services, and tariffs used by millions of customers worldwide. From building cutting-edge time-of-use tariffs to gamifying user experiences, we tackle a wide variety of exciting challenges to push the energy revolution forward.

Our teams are multidisciplinary and collaborate internationally, so you'll have the support and resources to work with top-tier talent and deliver high-impact solutions.

🎯 What you’ll need to thrive

Fluent English is essential 🇬🇧. The team is international, so English is the language you’ll use every day.

💚 Why You’ll Love Working Here

At Octopus Energy , we do things differently. We believe in a workplace where you can be yourself, grow professionally, and feel part of a team that genuinely wants to change the world .

📩 Ready to Join the Change?

If you're excited about building a more sustainable future with us, we’d love to hear from you!

📎 Send us your CV , and if your profile fits, we’ll be in touch.

Responsibilities

Collaborate internationally: Work with Octopus Energy ES and global teams to develop and integrate new features.; Build key product modules: Contribute to the private area, bill management, saving sessions, customer onboarding optimization, and marketing dashboards , all from a frontend perspective.; Deliver fast-paced impact: Ship code that directly impacts customers, with a quick and satisfying feedback cycle .; Grow with support: Take part in code reviews, pair programming, and technical discussions with senior colleagues, and gradually take on more responsibility in architecture and technical decisions.; Thrive in an agile culture: Enjoy flat hierarchies and an open environment that fosters innovation, flexibility, and creativity.; Stay flexible: Be open to working across different areas of the business as priorities evolve, and optionally get involved in backend work (Python/Django, GraphQL) if you’re interested.; 💡 Come as you are: We believe diverse teams build better products. We foster an open, collaborative environment where authentic communication and mutual support are key.

Requirements

4+ years of professional experience in frontend development.; Solid knowledge of TypeScript and React .; Experience with Next.js , or a strong interest in learning it.; Familiarity with GraphQL (or REST APIs, with a willingness to learn GraphQL).; Experience with CSS-in-JS or modern CSS approaches.; Experience writing tests with tools like Vitest or Jest and React Testing Library .; A collaborative, flexible mindset and comfort working in a fast-paced, evolving environment.

Nice to have

Interest or experience in Backend development, particularly Python (Django).; A Fullstack mindset: curiosity about the full picture, not just the frontend layer.

Benefits

📍 Location : join us in Valencia or Barcelona (Hybrid); ⏰ Full-time (40 hours/week); 💰 Octopus Energy share options; 🏥 Flexible benefits (meal vouchers, transport, childcare, private health insurance...); 🚘 Support for electric vehicle purchases; 🏦 Pension plan; 🎓 Training and professional development; 🎉 Fun, inclusive and collaborative team culture; 🍽️ Regular team events (like our “Family Dinners”); 🏆 We’re a Great Place to Work ! On Glassdoor, we’ve been recognized as one of the Top 50 Best Places to Work , and our culture has been highlighted time and again.; 🎙️ Want to learn more about how we work? Listen to our CEO in this podcast where he talks about our culture and values.