Senior Platform Engineer: Cloud, CI/CD & Enablement

Semble; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Benefits offered by this job

36 days off: holidays + bank holidays

Private Health Insurance

Hybrid & flexible work environment

Latest MacBook and home office setup

London office access

Job summary

Semble is hiring a Senior Platform Engineer to advance our engineering platform and enhance the day-to-day experience of every engineer building on top of it. You will champion best practices, shape team goals, and reduce friction through better tooling, clear paths, and stronger enablement.

This senior, high-trust role expects architectural judgement, mentoring, and cross-functional collaboration, with empathy for end users—fellow engineers—at the centre of what you build.

Qualifications

• Solid background in software engineering (3–5 years).
• Experience building internal developer platforms or self-service tooling.
• Experience improving CI/CD pipelines, reliability, and developer feedback loops.

Responsibilities

• Champion infrastructure best practices and drive Platform roadmap.
• Reduce friction for engineers by improving tooling, templates and workflows.
• Mentor engineers and contribute to observability and IaC initiatives.

Skills

Go

Python

Typescript

Shell scripting

Communication

Tools

Kubernetes

Terraform

Argo CD

Helm

Datadog

MongoDB

Job description

Semble is hiring a Senior Platform Engineer to advance our engineering platform and enhance the day-to-day experience of every engineer building on top of it. You will champion best practices, shape team goals, and reduce friction through better tooling, clear paths, and stronger enablement.

This senior, high-trust role expects architectural judgement, mentoring, and cross-functional collaboration, with empathy for end users—fellow engineers—at the centre of what you build.