Senior Software Engineer-Networking for AI

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About Arm
Arm leads in microprocessor technology, powering a global ecosystem of 1,000+ partners and 90 billion processors. Our innovations are shaping the future of computing, from AI data centres to cloud networking.

The Team & Role

Join a dynamic team developing and optimising software for Arm’s next-generation application processors. You’ll work with cutting-edge technology—often before public release—on development platforms, software models, FPGAs, and early silicon.

As a Software Engineer in the IAS Networking team, you will:

• Design, develop, and optimise high-performance networking software on Arm platforms.
• Work closely with internal and external partners to enhance networking stacks.
• Contribute to open-source projects by developing, upstreaming, and maintaining code.
• Adapt quickly to different layers of the networking software stack.

About You

• Skilled in C/C++/Python programming and optimisation.
• Strong foundation in multicore processor architectures.
• Experienced in contributing to open-source software development.
• Analytical problem solver who thrives on innovation.
• Collaborative team player who enjoys learning and growing with others.

Requirements

Essential Skills & Experience

• Proficient in C/C++/Python and scripting languages.
• Knowledgeable in computer architecture and operating systems.
• Strong grasp of data structures, algorithms, and multi-core programming.
• Experienced with distributed version control systems (e.g. Git).
• Clear, effective communicator (both written and verbal).

Desirable Skills & Experience

• Familiarity with open-source development cycles and contribution processes.
• Experience in software development on Arm, x86, or other architectures.
• Hands-on expertise in data plane networking software and debugging.
• Background in AI networking stacks, including:
• RDMA/RoCE, libFabric
• Collective communication libraries (OpenMPI, Gloo, OneCCL, NCCL)
• PyTorch-based inference/training applications
• Practical experience with open-source networking projects (e.g. DPDK, VPP).
• Understanding of L2-L7 networking, I/O performance, and cloud-native tech (Kubernetes, CNIs, service meshes).

Accommodations at Arm

At Arm, we want our people to Do Great Things. If you need support or an accommodation to Be Your Brilliant Self during the recruitment process, please email accommodations@arm.com. To note, by sending us the requested information, you consent to its use by Arm to arrange for appropriate accommodations. All accommodation 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.

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.

Hybrid Working at Arm

Arm’s hybrid approach to working is centred around flexibility, where we split our time between the office and other locations to get our work done. Within that framework, we empower groups and teams to determine their own particular hybrid working pattern, 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.

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Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology

Industries

• Semiconductor Manufacturing
• Software Development
• Computer Hardware Manufacturing

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