Lead C++ Developer (Roce/Rdma)

Based in Portugal, Wire IT is your specialized IT consulting partner with 18 years of experience driven by an experienced and senior team that helps clients make the right decisions in a fast-moving market.

Wire IT's ambition is to grow while keeping true to its nature: agile, people-centered, and fun.

As we like to say: "It's not only what we do, it's how we manage that truly make the difference.".

If you're looking for more than just a job - if you're looking for a place where you can truly make a difference - you might be the next person to join WIRE IT.

Role: Lead C++ Developer (RoCE/RDMA) Location: Remote, Europe Required skills: - Strong experience in modern C/C++ (C++17/20) with 5-10+ years in low-latency systems.

• Ex pert in RoCE/RDMA, including RC QPs, rdma-core/libibverbs, and Write-with-Immediate.
• Deep Linux optimization skills, covering CPU affinity, NUMA pinning, huge pages, perf/ftrace/flamegraphs, and CQ moderation trade-offs.
• Production-grade reliability, ensuring ordering, duplicate suppression, idempotent apply, and replay mechanisms.
• Benchmarking discipline, using perftest (ib_send_lat, ib_write_bw) and custom performance harnesses.
  
  

We offer: No-term full-time contract; Health Insurance; 22 days of paid vacation; 4 extra days annually (Carnival, Christmas Eve, New Year's Eve, Birthday); Meal Allowance on card (Coverflex); Referral Bonus; Special discounts and flex options; Training annual budget; A great team-oriented culture; Chance to become a part of a dynamically growing international company; Challenging projects giving the unique opportunity to grow and learn.

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