Software Engineer (C++), GreenNode
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Location
In office (Ho Chi Minh City)
Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 26, 2026.
Overview
Company
Impact
Profile match
VNG Corporation is a major Vietnamese technology company founded in 2004 (originally as VinaGame) that grew to become the country's first tech "unicorn". It operates a vast digital ecosystem encompassing online game publishing, cloud services, and digital media across domestic and international markets. Among its most notable products are Zalo, Vietnam's leading messaging and social application, and ZaloPay, a popular mobile payment platform.
CÔNG VIỆC
- Phát triển, bảo trì và tối ưu hiệu năng SDN (Software-Defined Networking): vRouter và controller
- Phân tích và xử lý sự cố SDN trong production: đọc log và core dump, tái hiện lỗi, đưa ra bản vá
- Tìm hiểu và xây dựng tài liệu cho các thành phần control plane hiện có
- Nghiên cứu, thử nghiệm các giải pháp mạng hiệu năng cao cho public cloud (DPDK, DPU/SmartNIC)
Yêu cầu
YÊU CẦUBắt buộc:
- Tối thiểu 2 năm kinh nghiệm lập trình C/C++ trên Linux
- Nắm vững memory management và multithreadin
- Debug thành thạo với GDB, phân tích được core dump
- Có kinh nghiệm lập trình mạng trên Linux (socket, epoll) hoặc xử lý gói tin
- Nắm vững mô hình TCP/IP, routing và switching
- Có kiến thức về ảo hóa KVM và OpenStack
- Có kiến thức về BGP, MPLS VPN và các overlay protocol: VXLAN, MPLSoUDP, MPLSoGRE
- Có kinh nghiệm với DPDK hoặc các framework xử lý gói tin khác
- Có kinh nghiệm profile và tối ưu hiệu năng (perf, flame graph, cache, NUMA)
- Có kinh nghiệm viết Linux kernel module và debug kernel crash
- Từng đóng góp cho dự án mã nguồn mở
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