Senior Full Stack Engineer

Octopus Energy Group·United Kingdomsenior

En corto

→Desarrollar plataformas full stack frontend-focuseadas para acelerar la adopción de tecnologías limpias en hogares.
→Trabajar en un equipo pequeño y multidisciplinario, construyendo soluciones escalables desde cero con autonomía total.
→Destacado: integración de IA en flujos de trabajo, con enfoque práctico en agentes y optimización de tokens.

No se requiere

En ~1 minuto te damos: quién te entrevista, las preguntas probables con respuestas desde tu CV, y tu CV adaptado a esta vacante. Gratis, sin tarjeta.

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¿Qué piden?

✓5+ años de experiencia con la pila tecnológica mencionada.
✓Capacidad de liderar todo el ciclo de desarrollo: desde requisitos hasta despliegue y monitoreo.
✓Experiencia en construcción de apps escalables y de alto rendimiento bajo carga.
✓Enfoque empático en colaboración y delegación en equipo.
✓Habilidad para mantener altos estándares de accesibilidad en soluciones web.
✓Experiencia práctica con IA: flujos, agentes personalizados, integraciones MCP, minimización de tokens.

¿No cumplís todo? Es lo normal — tu dossier gratis te dice qué gaps tenés y cómo cubrirlos en la entrevista.

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¿A quién escribirle en Octopus Energy Group?

Tu dossier gratis identifica a las personas que te entrevistarían — con su background, qué valoran y cómo escribirles para destacar antes de aplicar.

We're making energy fair, clean, and simple for all using technology. Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier. By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier. Octopus Energy Group is a global energy transition collective. 10 businesses working across 4 continents to tackle energy transformation at nearly every front. And we constantly push to make energy better. Tirelessly campaigning for fair protections for customers. And building innovative technologies that forge a path to a green energy system. We’re made up of 10,000+ authentic, committed people working around the world on stuff you'd never expect. We're united by a shared goal: to drive the global green energy revolution. Read our Spotlight series to meet some of the team. Tech team. Low Carbon Tech are installing EV Chargers, Solar, Batteries and Heat Pumps into homes to drive the energy transition at pace. As customer demand grows, our goal is to ensure scaling up never means slowing down or compromising on a world-class customer journey for low carbon tech. To make that happen, we are building a new, dedicated engineering and product team to completely re-imagine this process - making it fast, transparent, and predictable for our customers from day one. This will be a small multi-disciplinary team who’ll sit within our much bigger low carbon tech team. You’ll help design and build the platform architecture, data integrations, and automations that eliminate real world friction. If you want to design and build solutions to scale up electrotech in the nation’s homes, this is the mission for you. We embrace flat hierarchies and an open, agile culture that fosters innovation, flexibility, and creativity. We don’t hang our personalities up with our coats and nor should you. At Octopus, we hire great people who get stuff done, all whilst being themselves. If this sounds exciting, we’d love to chat. What you'll do Serve as a bridge across our entire stack, building end-to-end capabilities while helping frontend developers get comfortable with backend/infra and vice versa Take full ownership of features end-to-end, delivering reliable, production-ready code with plenty of autonomy Shape the architecture of brand-new projects from scratch while giving our existing codebases the refactoring love they need Maintain high frontend standards in AI-assisted workflows by vetting AI outputs, catching edge cases, and protecting long-term code health Communicate technical ideas clearly and concisely, prioritising high-signal context Keep our releases smooth with automated CI/CD workflows and set up production monitoring to track app health Work closely with product managers and designers to find the leanest, most efficient paths to ship value What you'll have 5+ years of experience with our stack (listed below) Experience taking problems, rather than strict guidelines, and developing strong solutions Confidence owning the development cycle (request, requirements gathering, technical proposal, technical execution, deployment and monitoring.) Confidence tackling large-scale tasks individually An empathetic approach to delegating work and collaborating with others The ability to develop websites that meet strong accessibility guidelines Experience building scalable, performant sites that handle high levels of traffic well Eager to drive cross-functional work spanning frontend, backend, DevOps, and infrastructure. Pragmatic AI mindset, experience with AI Workflows & Tooling: building harnesses, custom agent skills, MCP integrations, token minimisation strategies, etc.

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