> Markdown version of [/jobs/ext/2729953-senior-frontend-engineer](https://www.wearedevelopers.com/jobs/ext/2729953-senior-frontend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Frontend Engineer - **Company:** Responsibilitiesacting - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Octopus Deploy, Software Engineering, Front End Software Development - **Published:** September 5, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/senior-frontend-engineer/46327885 ## About the Role We're making energy fair, clean, and simple for all using technology.Key ResponsibilitiesActing as the flexibility team's first frontend engineer, establish the team's frontend capability, lead the team's frontend technical direction and represent the team to the cross-team community of frontend engineersBuild and own a diverse range of customer-facing user journeys, enabling customers to onboard, control, and analyse their low carbon techBuild and own internal-facing interfaces for stakeholder-collaborators and experimental prototypesInterface with established mobile teams by providing WebViews for emerging mobile customer journeysCollaborate with our internal design team to integrate our designs into the wider Octopus design system 'Coral'Carry out product discovery by working closely with our Product Manager and stakeholders from across the organisationBuild highly reusable interfaces that enable rapid response to new opportunitiesRequirements5+ years of experience with our stack (listed below)Experience taking problems, rather than strict guidelines, and developing strong solutionsConfidence owning the development cycle (request, requirements gathering, technical proposal, technical execution, deployment and monitoring.)Confidence tackling large-scale tasks individuallyAn empathetic approach to delegating work and collaborating with othersThe ability to develop websites that meet strong accessibility guidelinesExperience building scalable, performant sites that handle high levels of traffic well #J-18808-Ljbffr ## Related Videos - [Microfrontends at Scale](https://www.wearedevelopers.com/videos/236-microfrontends-at-scale) - [Fireside Chat with David Heinemeier Hansson](https://www.wearedevelopers.com/videos/980-fireside-chat-with-david-heinemeier-hansson) - [The Avengers Initiative (Practical Ethics for Software Engineers)](https://www.wearedevelopers.com/videos/2070-the-avengers-initiative-practical-ethics-for-software-engineers) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Building the Right Product and Building It Right: A Glimpse into Extreme Programming, Atomic Design ](https://www.wearedevelopers.com/videos/398-building-the-right-product-and-building-it-right-a-glimpse-into-extreme-programming-atomic-design) - [Official Opening of WeAreDevelopers World Congress 2026](https://www.wearedevelopers.com/videos/100000-official-opening-of-wearedevelopers-world-congress-2026) ## Related Articles - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)