Senior Technical Writer - AI Infra & Developer Docs

Content Creators; Greater London; Hybrid; GBP 65,000 - 95,000; Full time

Benefits offered by this job

25 days annual leave

Private medical insurance (Bupa)

Cycle to Work Scheme

Gympass membership

Company shares program

Enhanced parental pay & leave

Job summary

Radiant is seeking a Senior Technical Writer to own and enhance our technical documentation across APIs, infrastructure, and platform services. You will collaborate with Product, Engineering, SRE, Support, and Solutions teams to turn complex concepts into clear, actionable docs for developers and customers.

You’ll work hands-on with code, configurations, and architecture diagrams, testing workflows to ensure accuracy and usability in a fast-paced, learning-focused environment.

Qualifications

• Experience writing documentation for technical products, cloud platforms, developer tools, infrastructure, APIs, or SaaS products.
• Strong technical fluency and the ability to understand concepts across cloud infrastructure, APIs, developer workflows, and observability.

Responsibilities

• Own and evolve Radiant’s developer and product documentation, including guides, tutorials, API documentation, reference material, troubleshooting guides, and operational content.
• Work with Product and Engineering to embed documentation in the product development and release process.
• Translate complex technical concepts into clear, concise content for diverse technical audiences.
• Create getting-started guides, how-to content, examples, architecture explanations, and best-practice docs.
• Test documented workflows to ensure accuracy and usability.
• Improve structure, navigation, and discoverability of Radiant’s documentation.
• Collaborate with Support and Solutions teams to turn common issues into self-service content.
• Establish documentation standards, templates, and tooling to help engineering contribute effectively.
• Track quality and usage data to continually improve the user experience.

Skills

Technical writing

Cloud & infrastructure

APIs & integrations

Developer workflows

Observability & operations

Tools

Docusaurus

MkDocs

GitBook

ReadMe

Job description

Radiant is seeking a Senior Technical Writer to own and enhance our technical documentation across APIs, infrastructure, and platform services. You will collaborate with Product, Engineering, SRE, Support, and Solutions teams to turn complex concepts into clear, actionable docs for developers and customers.

You’ll work hands-on with code, configurations, and architecture diagrams, testing workflows to ensure accuracy and usability in a fast-paced, learning-focused environment.