Software and Platform Engineer

Staff Software and Platform Engineer – Arm

Job :
Date posted: 17/11/2025
Location: Cambridge, United Kingdom
Category: IT

We are looking for a dedicated Staff Software and Platform Engineer to join our team in Cambridge. This role has significant impact in improving the engineering experience at Arm! Engineering IT supplies the tools and systems needed for creation of software and hardware IP. Within this, the Engineering Platform Services function provides tooling used across the company’s engineering population, as well as focusing on the tooling needs of software engineers.

As a Staff Engineer at Arm you will lead sophisticated technical deliveries, working with stakeholders, project management and engineers to define scope, requirements, resourcing, and plans needed for delivery. At the heart of our approach is a genuine passion for improving the lives of other Engineers at Arm, and a complete focus on delivering solutions aligned to business outcomes.

• Working hands‑on with a variety of technologies to provide a first‑class engineering experience for Arm's hardware and software engineers. The domains and areas include:
• Drive Developer Experience Improvements – Collect feedback from internal teams to continuously improve portal UX, performance, and capabilities that reduce cognitive load and improve onboarding, discoverability, and self‑service.
• Develop, Operate and Support our Engineering portal – Ensure the portal is secure, scalable, and reliable through monitoring, alerting; manage upgrades, security patches, and plugin versioning.
• Develop and Maintain Backstage – Design, build, and maintain custom and community‑backed Backstage plugins to support Arm’s engineering teams, including CI/CD pipelines, service scaffolding, documentation, testing, and observability integrations.
• Collaborate Across Engineering & IT – Partner closely with platform, software and hardware teams to integrate services, tooling, and policies into the portal in a user‑centric and automated manner.

• Worked in a Platform Engineering environment, with the associated focus on developer experience and productivity, and the ethos of enabling self‑service access to infrastructure and systems through automation.
• Proficiency in web development with React, Type Script and Node and experience with Bash and Python.
• Extensive experience of Linux‑based infrastructure design, provisioning, and maintenance.
• Solid understanding of Cloud platforms (AWS, GCP, Azure) with knowledge of Kubernetes, and other Dev Ops tools (Docker, Kubernetes, Terraform, Helm, ArgoCD) and CI/CD (Jenkins, Artifactory, Git Lab).

• Building or integrating with Internal Developer Portals (Backstage/React/Type Script).
• Interpreted languages (Bash, Python, Ruby, Perl) and compiled languages (Golang, C, C++, Java).
• A strong understanding of the software development lifecycle.
• An active interest in Open‑Source Software.

We will provide the training and environment to excel in this role. We offer a hybrid approach to remote, and office working and strive to provide an adaptable experience for all employees and to promote a strong collaborative environment.

At Arm, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email ...

Arm’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility. Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs.

Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.

Arm is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. We are a diverse organization of dedicated and innovative individuals, and don’t discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.