Software Engineer – Networking & Drivers (DPU Team) (f/m/x)

Technologies we use

About the project

Your responsibilities

• Develop and maintain DPU drivers and networking software stacks
• Integrate and optimize fast-path packet processing components
• Debug and profile data path performance issues
• Collaborate with hardware and firmware teams on feature enablement and bring-up
• Participate in design reviews, code reviews, and continuous integration efforts

Our requirements

• Minimum 5 years of commercial experience in a similar position
• Hands-on C/C++ development experience on Linux
• Experience in networking systems: NICs, packet processing, data plane, or I/O stacks
• Understanding of Ethernet/IP/TCP/UDP networking protocols
• Familiarity with Linux kernel internals and driver APIs
• Experience with debugging tools, git, and CI/CD workflows
• Good knowledge of spoken and written English (everyday communication)
• Strong analytical mindset, ownership, and collaborative attitude
• Residing in Poland required

Optional

• Experience in device driver design, debugging, and testing (kernel or user space)
• Previous work with DPDK fast-path applications and optimization
• Hands-on SW/HW integration (PCIe, DMA, interrupts, counters, telemetry)
• Knowledge of congestion/flow control and high-rate packet processing
• Understanding of RDMA (verbs, QPs, completion model, transport semantics)
• Experience with unit/integration testing and performance observability tools

This is how we work on a project

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People