Software Performance Architect

Salary: £45,000 - 80,000 per year

Requirements:

• We require a university or engineering school degree in Computer Science, Mathematics, Electronic/Electrical Engineering, or another related science field.
• We require several years of experience in software, hardware, or mathematics.
• We require proven experience in software programming alongside technical management.
• We value a passion for innovation, creative thinking, and exploring new approaches.
• You must be able to work effectively independently and in a team environment.
• Strong software development experience in areas such as HPC, machine learning, distributed applications, web technologies, mobile applications, databases, or multimedia is highly desirable.
• Strong development skills in one or more high-level programming languages such as C, C++, Java, or Rust are highly desirable.
• Experience in software performance analysis on platforms such as Android, Windows, or Linux, including operating system settings impact, is highly desirable.
• Experience with CPU performance analysis, performance methodology, and tools such as linux perf, Intel Vtune, android simpleperf, or perfetto is highly desirable.
• Knowledge of aarch64 assembly language programming and CPU architecture or micro-architecture performance techniques such as branch prediction and prefetchers is highly desirable.
• We value experience adapting experimental application code to test new architectures.
• Strong written and verbal communication skills are highly desirable.

Responsibilities:

• We analyse benchmarks and workloads to identify software and hardware optimization opportunities.
• We analyse CPU performance and understand the limitations we need to overcome.
• We collaborate with software teams, compiler teams, OS teams, and application teams to implement improvements.
• We collaborate with CPU design teams to identify bottlenecks.
• We write and extract performance tests from existing software applications and run them on C/C++ models, emulators, or real devices across multiple operating systems.
• We work alongside modelling engineers, CPU design teams, and our Architecture group.
• We drive technical activities.
• We collaborate with business teams and partners to present technical results.
• We develop the roadmap for our core interconnect and control subsystems, ensuring technical validation and strategic alignment across markets.
• We own requirement specifications and roadmap rigor to ensure subsystem coherence across product generations.

Technologies:

• Android
• Hardware
• Java
• Linux
• Machine Learning
• Mobile
• Rust
• Web
• Windows
• ARM
• Architect
• Support

More:

We are Arms CPU Technology team within the Central Technology Group, a diverse, engineering-centric group that invents, defines, and architects technologies for future IP solutions. We focus on next-generation CPUs and new concepts that will power billions of devices worldwide. In this role, we work across infrastructure, line of business, and customers to build robust, reusable foundational technologies across Arms product portfolio. We offer a hybrid working approach with flexibility based on team and role needs, and we are committed to equal opportunities, mutual respect, and accommodations during the recruitment process.

last updated 34 week of 2026