Lead Cloud Product Engineer — AI Infra & DX

Radiant; Greater London; On-site; GBP 120,000 - 160,000; Full time

Benefits offered by this job

25 days annual leave

Culture of results over hierarchy

Open communication and feedback

Learning Time for new skills and side-

Private medical insurance via Bupa

Cycle to Work Scheme

Gympass subscription

Participation in company shares

Enhanced parental pay & leave

Job summary

Radiant is redefining AI infrastructure, and we are seeking a Lead Cloud Product Engineer to join our product team. You will operate at the intersection of product, software engineering, and cloud infrastructure, turning platform capabilities into simple, high-quality customer experiences.

You will work across APIs, SDKs, developer tooling, workflows, platform services, integrations, and user-facing product experiences, collaborating with product, engineering, infrastructure, SRE, and customers

Qualifications

• Proven software engineering experience, preferably in cloud platforms, developer tooling, infrastructure products, or SaaS.
• Strong experience with APIs, backend systems, and modern web technologies.
• Knowledge of cloud infrastructure components: compute, storage, networking, containers, Kubernetes.
• Familiarity with developer tooling: APIs, SDKs, CLIs, web consoles.
• Platform engineering fundamentals: authentication, permissions, observability, automation.

Responsibilities

• Build and prototype product features, workflows, APIs, SDKs, and developer tooling.
• Turn customer needs into technical solutions with Product teams.
• Develop integrations across compute, storage, networking, identity, billing, and platform services.
• Improve developer experience, self-service, onboarding, and time-to-value.
• Collaborate with customers and internal teams to identify friction and validate solutions.
• Provide prototypes, demos, experiments, and PoCs to support product discovery.
• Define technical requirements, documentation, examples, and best practices.
• Take prototypes through to production-quality implementations where appropriate.

Skills

Software engineering

APIs & backend

Cloud infra

Developer tooling

Platform engineering

Cross-stack work

Communication

Job description

Radiant is redefining AI infrastructure, and we are seeking a Lead Cloud Product Engineer to join our product team. You will operate at the intersection of product, software engineering, and cloud infrastructure, turning platform capabilities into simple, high-quality customer experiences.

You will work across APIs, SDKs, developer tooling, workflows, platform services, integrations, and user-facing product experiences, collaborating with product, engineering, infrastructure, SRE, and customers