Principal Platform Engineer - Internal Developer Platform Lead

Rowden

Filton

Hybrid

GBP 110,000 - 140,000

Full time

8 hours ago
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Benefits offered by this job

Flexible work
Hybrid work model
Disability Confident Committed

Job summary

Rowden, a Bristol-based engineering powerhouse, seeks a Principal Software Engineer to build and own the Internal Developer Platform used by its engineering teams. You will lead end-to-end platform infrastructure, tooling, and agentic AI integration, enabling faster development and secure, transparent use of autonomous assistants.

You will drive adoption, define standards, and ensure the platform serves as a product for Rowden engineers, with a focus on scalable, trustworthy tooling and

Qualifications

  • Substantial experience as a principal or staff software engineer.
  • Experience building developer platforms and internal tooling used by engineering teams.
  • Hands-on experience implementing agentic AI in real workflows.
  • Experience designing guardrails for agentic AI: sandboxing, permissioning, audit logging, observability.
  • Deep experience with CI/CD, infrastructure as code, containers, and Kubernetes.
  • Experience building and deploying reproducible development environments.
  • Track record of driving adoption through persuasion and good product decisions.

Responsibilities

  • Build and own the internal developer platform used by Rowden’s software teams.
  • Own engineering infrastructure and end-to-end workflows: source control, CI/CD, artefact management, secrets, environments.
  • Champion new tooling and best practices across teams.
  • Set technical direction and standards through influence, not mandates.
  • Lead the implementation of agentic AI across engineering workflows.
  • Evaluate and train teams on effective use of agentic engineering.
  • Build infrastructure to ensure agents are trustworthy: sandboxing, permissions, audit logs, observability.
  • Create repeatable development environments for local, cloud, and target representations.

Skills

Principal engineer
Developer platform
Agentic AI
CI/CD
Kubernetes
IaC
Reproducible envs
Communication

Tools

Git
CI/CD pipelines

Job description

Rowden, a Bristol-based engineering powerhouse, seeks a Principal Software Engineer to build and own the Internal Developer Platform used by its engineering teams. You will lead end-to-end platform infrastructure, tooling, and agentic AI integration, enabling faster development and secure, transparent use of autonomous assistants.

You will drive adoption, define standards, and ensure the platform serves as a product for Rowden engineers, with a focus on scalable, trustworthy tooling and

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