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Senior Software Engineer-Networking for AI

Arm

Cambridge

On-site

GBP 125,000 - 150,000

Full time

30+ days ago

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Join a forward-thinking company as a Software Engineer in a dynamic team focused on developing and optimizing cutting-edge networking software. You will work with advanced technology, often before public release, contributing to high-performance networking solutions on next-generation application processors. This role offers the chance to collaborate with internal and external partners, enhance networking stacks, and contribute to open-source projects. If you are passionate about innovation and eager to work in a collaborative environment, this opportunity is perfect for you!

Proficient in C/C++/Python with strong knowledge of computer architecture.
Experienced in open-source software development and collaborative problem solving.

Design and optimize high-performance networking software on Arm platforms.
Contribute to open-source projects and enhance networking stacks.

C/C++ programming

Python programming

Analytical problem solving

Collaborative teamwork

Git

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).