Senior Platform Engineer — Remote (UK/France) | Impact

Semble; Greater London; Remote; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Autonomy and ownership

Hybrid work environment

Private Health Insurance

36 days off

MacBook / equipment

Job summary

Semble is seeking a Senior Platform Engineer in the UK to advance our engineering platform and improve the day-to-day experience for developers building healthcare software.

You will champion infrastructure best practices, mentor engineers, and reduce friction through better tooling and clearly defined paths. The role centers on AWS, Kubernetes (EKS), Terraform, and modern GitOps workflows, in a collaborative, autonomous culture.

Qualifications

• Solid software engineering background with 3-5 years in platform work or as a product/application engineer.
• Experience building internal developer platforms, portals, or self-service tooling (e.g. Backstage, CLIs).
• Track record of designing paved roads or golden paths for engineers.
• Experience improving CI/CD pipelines for reliability, speed, and feedback loops.
• Comfort running enablement activities: documentation, training, and advocacy for good engineering practices.

Responsibilities

• Drive developer productivity and enablement across the platform team.
• Own and evolve CI/CD pipelines using GitOps patterns (ArgoCD).
• Improve onboarding and self-service tooling to reduce friction for engineers.
• Collaborate with security, Observability, and infrastructure teams to meet reliability goals.
• Define and measure success with transparent criteria and roadmaps.

Skills

Go

Python

Typescript

Shell scripting

Tools

AWS

Kubernetes (EKS)

Terraform

ArgoCD

Datadog

Job description

Semble is seeking a Senior Platform Engineer in the UK to advance our engineering platform and improve the day-to-day experience for developers building healthcare software.

You will champion infrastructure best practices, mentor engineers, and reduce friction through better tooling and clearly defined paths. The role centers on AWS, Kubernetes (EKS), Terraform, and modern GitOps workflows, in a collaborative, autonomous culture.