Cloud SDN Software Engineer

co.brick talents — powered by AI, powered by people. Senior / Lead Cloud SDN Software EngineerWe are currently seeking a highly skilled Senior or Lead Cloud SDN Software Engineer to join an advanced infrastructure team for one of our key clients. If you live and breathe low-level networking, love contributing to open-source infrastructure, and want to shape the future of cloud networking platforms, this role is for you. Offer & Contract Details

• Hourly Rate (B2B): * Senior: 130 – 145 PLN / hour
• Lead: Up to 160 – 170 PLN / hourStart Date: ASAP
• Contract Duration (PO): Initial purchase order for 3 months, with subsequent extensions for 6 to 12 months. Core Profile & Focus
• This isn't a traditional networking role. You will be building, scaling, and developing the software-defined networking layer for modern cloud infrastructure, focusing heavily on:

OpenStack ecosystem development (Cinder, Nova, and especially Neutron).

Next-gen virtual networking via Open vSwitch (OVS) and OVN.

API Development: Designing and building robust cloud network platform APIs using Golang. Main Responsibilities

Design & Operate: Own the software-defined networking (SDN) layer for large-scale cloud infrastructure.

Open-Source Contribution: Actively contribute back to upstream projects including Open vSwitch, OVN, OpenStack Neutron, and the Linux Kernel.

API Development: Design and develop high-performance networking APIs and cloud network platform products.

Observability: Implement robust metrics, distributed tracing, and structured logging for network services.

Automation: Build automation frameworks for network operations and day-to-day operational workflows.

Incident Management: Lead root-cause analysis on complex network incidents and implement permanent code fixes. RequirementsSDN Expertise: Proven production experience with Open vSwitch (OVS) and OVN.

Cloud Networking: Solid knowledge of VPC, NAT, VPN, BGP, VXLAN, load balancing, and DNS.

Linux Deep Dive: Deep understanding of the Linux networking stack (namespaces, iptables, tc, and kernel subsystems).

Cloud Integration: Experience integrating SDN solutions directly with OpenStack Neutron.

Programming Skills: Strong coding skills in Go, Python, C/C++, or Bash.

Cloud-Native Tech: Familiarity with Kubernetes networking and CNI plugins (e.g., Calico).

Language: Good command of English (written and spoken).

Nice to Have

Production experience with DPDK (Data Plane Development Kit).

Experience leveraging AI tools to optimize your day-to-day engineering workflow.