Compiler Engineer (f/m/x)

Work on next-generation compiler infrastructure for programmable Ethernet switches. You will extend LLVM and P4 compilation flows to enable efficient packet-processing pipelines on custom switching hardware.

By joining us, you become a member of the Embedded Competence Center at Sii is an internal organizational unit, bringing together more than 500 specialists nationwide! We are currently working on about 100 projects for 50 clients from various industries, including automotive, IoT, telecommunications, and medical.

Your tasks

• Develop and optimize LLVM-based compiler backend for programmable network switches

• Integrate P4 frontend (p4c) with LLVM IR generation and custom targets

• Implement new compiler passes for latency and power optimization

• Debug and validate generated code on simulators and hardware prototypes

• Collaborate with hardware and networking teams to align compiler output with architectural constraints

Requirements

• Minimum 5 years of commercial experience in a similar position

• Hands-on experience with LLVM compiler infrastructure (frontend/backend development, IR passes, TableGen, etc.)

• Strong programming skills in C++ (modern C++11/14/17) and Python

• Understanding of compiler optimization techniques, IR transformations, and code generation

• Experience with Linux development environments and build tools (CMake, Bazel)

• Excellent analytical and debugging skills; self-learner and strong communicator

• Good knowledge of spoken and written English (everyday communication)

• Residing in Poland required

Nice to have

• Familiarity with P4 language and network data plane compilation

• Knowledge of networking concepts, packet processing, and switching architectures