Senior/Staff Software Engineer

Job ID

Date posted Oct. 14, 2025

Location Cambridge, United Kingdom

Category Software Engineering

Are you interested in working on pioneering compiler technology whilst helping to lead and develop our team of dedicated engineers to achieve their full potential? We have an opening for an exciting and varied role in our GNU Tools team in Cambridge, UK.

In this role you will collaborate with the GNU community, contributing to the open-source GCC compiler and other GNU projects, to make the best use of Arm architectural features such as SVE and SME.

You may also help analyse and improve the performance of applications and benchmarks running on Arm hardware.

Previous experience working with GNU or other compiler toolchains will be desirable.

Responsibilities:

• Identify and implement changes to GCC compiler, libraries and open source applications to optimise benchmark workloads.
• Improve the open-source GNU framework to better support Arm architectural features and core designs.
• Participate in the open source GNU community, including reviews upstream and opportunities to attend and present at developer meetings.
• Develop our automated test frameworks to defend the functionality and performance of our tools.
• Mentor junior members of the team to help grow their skills.

Required Skills and Experience :

• C and/or C++ programming.
• GNU or other compiler toolchain internal working experience or advanced experience of low level software or hardware development that require looking at computer architecture specifications like compilers, debuggers, models, etc
• Effective communication skills to influence internal or external partners.
• Application of software methodologies, tools, and processes including code review.
• Mentoring, guiding, and supporting personal and professional development in an engineering setting.

Note: Training may be provided if you have only a subset of these key skills.

"Nice To Have" Skills and Experience :

The following is a selection of skills used across our projects.

You do not need to have experience with any of these to apply or succeed in your application.

• Open source community citizenship including code commits and reviews.
• Basic Linux administration, particularly installation and maintenance.
• Optimising code for performance.

Accommodations at Arm

At Arm, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email To note, by sending us the requested information, you consent to its use by Arm to arrange for appropriate accommodations. All accommodation or adjustment requests will be treated with confidentiality, and information concerning these requests will only be disclosed as necessary to provide the accommodation. Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud, or office accessibility. Please email us about anything we can do to accommodate you during the recruitment process.

Hybrid Working at Arm

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.

Equal Opportunities at Arm

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.