Senior/Principal Software Engineer with SDN knowledge
B2B Contract: 23 000 - 35 000 PLN + VAT
Get to know us better
CodiLime is a software and network engineering industry expert and the first-choice service partner for top global networking hardware providers, software providers and telecoms. We create proofs-of-concept, help our clients build new products, nurture existing ones and provide services in production environments. Our clients include both tech startups and big players in various industries and geographic locations (US, Japan, Israel, Europe).
While no longer a startup - we have 350+ people on board and have been operating since 2011 we’ve kept our people-oriented culture. Our values are simple:
- Act to deliver.
- Disrupt to grow.
- Team up to win.
The project and the team
We are developing modern Software Defined Networking (SDN) and Network Function Virtualization (NFV) solutions for a leading networking equipment manufacturer. We are working with cloud-native, containerized software and services as well as with user-space and kernel-space drivers for advanced network interface cards (smartNIC).
What else you should know:
- We often work using client-supplied hardware and tools
- Our projects may be managed by our PMs or directly by the client
- We use the Agile approach (kanban/scrum) whenever possible
- We work with both the US and Europe
Your role
As a part of the project team, your responsibility will be to:
- Develop software using C, C++ and create unit tests for your code
- Take part in technical discussions with the team and the client regarding the developed solutions
- Research and define how to best implement new client requirements
- Fix bugs efficiently and effectively and find workarounds for blockers
- Build and expand the technical knowledge base
Do we have a match?
As a Principal Software Engineer, you must meet most of the following criteria:
- Experience in networking acceleration & virtualization (DPDK, XDP/eBPF, SR-IOV, vDPA)
- Linux networking stack knowledge (TCP stack, Netfilter, TC, etc.)
- Experience in development of SDN solutions (e.g. Tungsten Fabric, OvS)
- Experience with orchestrators (Kubernetes, OpenStack, OpenShift, etc.)
- Excellent C programming for low level & Linux driver programming (kernel/user space)
- Excellent C++ programming skills
- Advanced networking knowledge (VLAN, VxLAN, MPLS, VRFs, FRR, etc.)
Beyond the criteria above, we would appreciate the nice-to-haves:
- Experience with hardware offloading solutions (especially network offloading)
- Experience with Network OSes (e.g. SONiC, Aruba, Junos OS)
- Good knowledge of network security protocols (e.g IPSec, HTTPS, SSL, TLS etc.)
- Experience with HW/SW accelerating AI and machine learning
- Experience in P4 and FPGA (VHDL/Verilog) development
- Experience with Linux Yocto operating system for embedded and IoT software
More reasons to join us
- Flexible working hours and approach to work: fully remotely, in the office or hybrid
- Professional growth supported by internal training sessions and a training budget
- Solid onboarding with a hands-on approach to give you an easy start
- A great atmosphere among professionals who are passionate about their work
- The ability to change the project you work on
- Department
- Engineering KW
- Role
- Backend
- Locations
- Poland
- Remote status
- Fully Remote
- Level
- Senior, Principal

Colleagues
Senior/Principal Software Engineer with SDN knowledge
B2B Contract: 23 000 - 35 000 PLN + VAT
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