Senior Ultra-Low-Latency Network Engineer - Spain

Cactus; A distancia; EUR 30.000 - 50.000; Jornada completa

Descripción de la vacante

A leading software development company based in Spain is seeking a skilled software engineer to design and implement high-performance packet I/O pipelines using DPDK. The ideal candidate should have expertise in C/C++ in performance-critical networking code, experience with DPDK, and strong Linux performance tuning knowledge. This full-time role offers competitive salary and benefits, flexible working hours, and the chance to collaborate with an international team.

Servicios

Competitive salary and benefits

Flexible working hours

Team events

Learning opportunities

Formación

• Experience in high-frequency trading, fintech, telecom, or network security is a plus.
• Ability to stay current with network trends and evaluate trade-offs.

Responsabilidades

• Design and implement high-performance packet I/O pipelines using DPDK.
• Adapt existing UDP code for NIC queue-driven RX/TX loops and hardware offloads.
• Configure and tune Linux servers for ultra-low latency.
• Collaborate with teams to integrate kernel-bypass transport.

Conocimientos

Expert C/C++ in performance-critical networking code

Hands-on experience with DPDK or similar

Strong knowledge of Linux performance tuning

Familiarity with RDMA concepts

Experience with packet capture/analysis tools

Strong problem-solving and debugging skills

Excellent English communication skills

Herramientas

DPDK

tcpdump

Wireshark

Descripción del empleo

A leading software development company based in Spain is seeking a skilled software engineer to design and implement high-performance packet I/O pipelines using DPDK. The ideal candidate should have expertise in C/C++ in performance-critical networking code, experience with DPDK, and strong Linux performance tuning knowledge. This full-time role offers competitive salary and benefits, flexible working hours, and the chance to collaborate with an international team.