Senior Software Engineer – Python Infrastructure

Job Title

Senior Software Engineer – Python Infrastructure

Role Summary

Join the Cambridge toolchain performance team to build and maintain developer infrastructure for compiler and toolchain testing, benchmarking, and CI/CD. The role focuses on Python-based infrastructure, hardware lab management, automation and performance tracking to support Arm's compiler engineering teams.

Experience Level

Senior-level. The posting is for a Senior Software Engineer.

Responsibilities

Support and evolve the team's CI/CD, automation and benchmarking platforms.

• Maintain a board farm of hardware devices used for validation and benchmarking.
• Design, maintain and extend automated testing and benchmarking infrastructure.
• Extend existing software or write integration "glue" between systems.
• Debug issues across the stack, from data-visualisation tools to kernel crashes.
• Provision and manage cloud infrastructure and related tooling.
• Implement custom reporting, aggregation and result-tracking solutions.
• Support developer teams' CI/CD pipelines and automation workflows.

Requirements

Key technical must-haves and desirable skills.

Must-have:

• Advanced Python skills and experience modifying medium-to-large Python projects.
• Practical software engineering experience working with CI and testing systems.
• Familiarity with Linux development and administration via scripting/CLI.
• Hands-on experience with physical or virtualised systems (development boards, servers, embedded platforms) including remote access methods such as serial consoles, network booting or BMCs.
• Experience with version control systems such as Git.

Nice-to-have:

• Experience with build automation tools (TeamCity, Jenkins).
• Understanding of compiler/assembler/linker performance metrics.
• Experience configuring and maintaining hardware/board or server farms, firmware and OS updates.
• Practical knowledge of virtualisation, containerisation, simulation and emulation technologies.
• Experience maintaining small lab setups (Raspberry Pi clusters, FPGA boards, etc.).
• Familiarity with web frontend frameworks (Flask, HTML/CSS, React).
• Experience leading projects to improve software efficiency and quality; performance tracking and visualisation skills.

Education Requirements

University degree ideally in computer science or a related STEM field is preferred; other backgrounds considered. Equivalent practical experience is acceptable.

About the Company

Company: Arm

Headquarters: Cambridge, United Kingdom

ARM is a global leader in semiconductor and software design, driving innovation in computing technology. The company specializes in designing processors and systems that provide the essential building blocks for electronic devices. ARM's architecture is widely used in smartphones, servers, and IoT devices, and its collaborative culture fosters bold thinking, diversity, and high-impact benefits for its talented workforce.