Senior Full Stack Engineer
Octopus Energy Group2 months ago
Remote, Spain +5 moreSenior
Responsibilities
- Build end-to-end capabilities across the frontend, backend, and infrastructure stack, while helping developers work effectively across those areas.
- Own features through requirements gathering, technical proposals, implementation, deployment, and monitoring.
- Design architecture for new projects and refactor existing codebases.
- Vet AI-generated code and workflows, identify edge cases, and protect long-term frontend code quality.
- Build accessible, scalable, and performant websites capable of handling high traffic.
- Maintain automated CI/CD workflows and production monitoring for application health.
- Collaborate with product managers and designers to identify efficient ways to deliver customer value.
Requirements
- 5+ years of experience with the stated technology stack.
- Experience developing solutions from open-ended problems rather than strictly defined guidelines.
- Ability to independently tackle large-scale tasks and take ownership of the full development cycle.
- Strong communication, delegation, and collaborative skills with an empathetic approach.
- Experience building accessible, scalable, and performant websites.
- Willingness to drive cross-functional work spanning frontend, backend, DevOps, and infrastructure.
- Experience with AI workflows and tooling, including harnesses, custom agent skills, MCP integrations, and token minimization strategies.
- React, TypeScript, Next.js on Vercel, Python, and Django experience are required.
- Experience with Playwright, Vitest, MSW, Datadog, Sentry, GitHub, and CircleCI is required.
- GraphQL, TanStack Query, PostgreSQL, Celery, and asynchronous background processing experience is desirable.
- Energy domain knowledge is desirable.
Benefits
- The company offers flexible salary matching based on experience, with details discussed during the interview process.
- Employees receive access to Octopus Energy Group perks through the UK perks hub.
- The company describes an autonomous, inclusive culture with opportunities to work on innovative energy-transition projects.
- The recruitment process usually takes up to four weeks and can be adjusted where needed.
- Interview accommodations and process customization are available on request.
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.