Platform Engineer

Salary: £39,000 - 79,000 per year

Requirements:

• Build readable, maintainable, and testable infrastructure-as-code and platform tooling following our standards, including Terraform, Crossplane, and Helm.
• Apply test-first thinking and write appropriate unit and integration tests for platform tooling and infrastructure changes.
• Demonstrate increasing autonomy and contribute to platform design discussions.
• Use platform metrics and developer feedback to guide decisions and challenge assumptions.
• Consider commercial impacts when proposing or evaluating platform solutions, balancing capability with infrastructure cost.
• Communicate clearly using concise, developer-focused language and contribute to golden path documentation.
• Follow and advocate for secure coding and infrastructure practices, including least-privilege access and supply chain hygiene.
• Participate actively in platform and engineering guilds, workshops, or improvement initiatives.
• Share learning with peers and help onboard engineers onto platform tooling.

Responsibilities:

• Deliver high-quality, scalable, and well-designed platform services and tooling within a cross-functional team.
• Support iterative, value-led delivery and break platform work into incremental, testable slices.
• Refine and estimate work with growing confidence and accuracy.
• Promote short feedback loops and reduce unnecessary complexity by applying agile principles.
• Contribute to platform design discussions and consider wider infrastructure and cloud-native system considerations.
• Contribute to observability, alerting, and production validation across platform services.
• Participate in defining and improving platform testing strategies, including infrastructure validation.
• Demonstrate a consistent growth mindset, seek feedback, and apply it to improve performance.
• Take ownership of tasks and support peers in delivering high-quality outcomes.
• Create an inclusive, respectful team environment that supports healthy debate.
• Adapt well to setbacks and model constructive behaviour.
• Understand and articulate the value our platform delivers to internal engineering teams.
• Champion platform adoption and support capability uplift across teams.

Technologies:

• AI
• Cloud
• Helm
• Support
• Terraform
• DevOps

More:

We build cloud-native SaaS software that is transforming how energy retailers operate, innovate, and manage at scale. We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI-driven insight, all underpinned by modern cloud-native architecture. We are at an exciting inflection point as we scale at pace towards new international horizons. The Platform Engineer II role sits within a cross-functional engineering environment focused on improving developer experience and golden path adoption, while continuing to develop technical and behavioural capabilities. We offer 25 days holiday plus bank holidays, the option to buy or sell 5 extra annual leave days per year, Vitality Health Insurance with private healthcare, virtual GP access, mental-health support and wellbeing perks, a pension with 5% matched contribution, regular team-wide and company-wide events, 2 volunteering days per year, and a remote-first working environment with offices in London and Nottingham.

last updated 36 week of 2026