Principal Solution Engineer

Arm Limited; Cambridge; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Arm Limited seeks a Principal Solution Engineer passionate about enhancing architecture in practical applications. In this role, you will lead efforts to maximize performance of Arm-based platforms while collaborating closely with teams and customers, driving innovation at a significant level.

Qualifications

• Deep experience in backend compiler engineering.
• Strong understanding of microarchitectural performance.
• Proficiency in optimizing complex software environments.

Responsibilities

• Drive enablement of Arm architecture features across software.
• Translate microarchitectural insights into software strategies.
• Lead design and implementation of compiler optimizations.

Skills

Compiler Development

Performance Tuning

C/C++

Debugging

Analytical Skills

Job description

Are you passionate about bringing innovative architecture to life in the real world? Do you thrive at the intersection of low-level software and strategic collaboration? We're looking for aPrincipal Solution Engineerwho brings technical excellence, and passion to make it happen!

In this high-impact role, you’ll lead the enablement of Arm’s most advanced architectural features across compilers, operating systems, tools, and first-party applications. Your work will ensure that our customers extract maximum performance and value from Arm-based platforms, and you’ll do so by guiding both internal engineering efforts and strategic customer relationships.

This is more than a technical leadership role—it's your opportunity to shape product direction, build enduring partnerships, and drive real-world software transformation! You'll join a team that grows with solving hard problems, working across boundaries, and pushing industry standards forward.

Responsibilities:

• Drive end-to-end enablement of innovative Arm architecture features across the compiler, OS, and broader software stack—turning hardware innovation into performance uplift.
• Translate microarchitectural insights into real software strategies, in close collaboration with hardware and architecture teams.
• Develop and optimize backend compiler components, including instruction selection, vectorization, and code generation.
• Analyze and tune performance across diverse workloads, benchmarks, and platforms.
• Lead the design and implementation of both general-purpose and target-specific compiler optimizations.
• Act as a strategic technical partner to customers, identifying high-value engineering opportunities that align business and technical goals.
• Represent the compiler and architecture team in technical customer engagements, providing deep architectural and compiler insight.
• Influence internal roadmaps based on customer feedback and real-world integration challenges.
• Support the growth of new team members by sharing knowledge, offering mentorship, and fostering an environment of technical curiosity, collaboration, and high-quality delivery
• Work effectively on confidential and closed-source projects, balancing innovation with trust.

Required Skills and Experience:

• Deep, hands-on experience in compiler development, particularly in backend engineering, performance tuning, and code generation.
• Strong understanding of microarchitectural-level performance, and a consistent track record of optimizing software to match.
• Proficiency in C/C++ and groundbreaking software engineering practices.
• Excellent debugging, analytical, and problem-solving skills in complex compiler environments.
• Experience with LLVM, GCC, or proprietary compiler stacks.

“Nice To Have” Skills and Experience:

• Strong knowledge of Arm architecture, including scalar, SIMD, and vector extensions.
• Demonstrated success in technical customer engagement, including shared design or solution delivery.
• Experience in shaping strategic technical relationships or co-engineering efforts with key partners.
• Comfortable navigating proprietary or closed-source ecosystems with discretion and responsibility.

In Return:

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

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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 [e-mail]. 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.