Apply for the Lead C++ Developer (RoCE/RDMA) role at Wire IT
Based in Portugal, Wire IT is your specialized IT consulting partner with 18 years of experience, driven by a seasoned senior team that helps clients make the right decisions in a fast‐moving market.
Wire IT's ambition is to grow while staying true to agile, people‐centered, and fun principles. As we like to say: "It's not only what we do, it's how we manage that truly makes the difference."
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.
- Expert 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 part of a dynamically growing international company
- Challenging projects giving the unique opportunity to grow and learn
Following the EU General Data Protection Regulation No. 2016/679, we inform you that by responding to this announcement, you consent to the use of your data by Wire IT, for as long as necessary. In case of doubt or request for elimination of your personal data, please send an email to
Seniority level: Not Applicable
Employment type: Full-time
Job function: Engineering and Information Technology
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