Summary:
Plans, designs, develops and tests software systems or applications for software enhancements and new products including cloud-based or internet-related tools. Most companies should be able to match to a specific software development engineer position. Use this position if company does not breakout software development positions such as Software Engineer (Applications) (5141-5146) or Software Engineer (Systems) (5161-5166).Duties & Responsibilities:
Job Summary
As a Software Development Engineer, you will join the TestCenter R&D team at Viavi Solutions (Beijing) Co., Ltd., contributing to the development of core components in an industry-leading network test platform. Your work will span network protocol stacks, traffic generation engines, and AI workload emulation, delivering high-performance test solutions to data center operators and network equipment vendors worldwide.
Responsibilities
- Participate in requirements analysis, software architecture design, and module design for core TestCenter subsystems, covering traffic generation, protocol control, and results/statistics pipelines.
- Independently deliver high-quality code and unit tests in C++, C#, and/or Python based on design specifications.
- Own integration and system testing for software modules, validating protocol correctness, performance targets, and hardware compatibility.
- Maintain existing software, resolve defects, and drive performance improvements including multi-threading race analysis and memory/latency tuning.
- Produce technical documentation including design documents, interface specifications, and test reports.
- Collaborate closely with domestic and international teams, participating in cross-timezone code reviews and technical discussions.
- Track the evolution of networking technologies and translate emerging requirements into product capabilities.
Qualifications
- Bachelor's degree or above in Computer Science, Software Engineering, Communications Engineering, or a related field.
- 7+ years of software development experience; prior experience on large-scale C++ projects is strongly preferred.
- Proficient in C++ or C#; familiar with Python; solid understanding of multi-threaded programming, locking mechanisms, and lock-free data structures.
- Familiar with the TCP/IP protocol stack and L2/L3 networking fundamentals; knowledge of RDMA/RoCEv2, InfiniBand, or AI cluster networking is a plus.
- Comfortable working in Linux/Unix environments with the ability to write Shell/Python scripts and perform system-level troubleshooting.
- Background in network testing, traffic generation, protocol emulation, or hardware-related development (FPGA, drivers) is a plus.
- Strong English reading and writing skills; able to read technical specifications and participate in English-language code reviews.
- Strong analytical mindset with a proven ability to diagnose complex, systemic problems; excellent communication and team collaboration skills.
- Genuine interest in high-performance networking and AI infrastructure.
职位概述
作为软件开发工程师，您将加入 Viavi Solutions（北京）有限公司 TestCenter 研发团队，参与业界领先的网络测试平台的核心组件开发。您将深入网络协议栈、流量生成引擎和 AI 负载仿真等方向，为全球数据中心和网络设备厂商提供高性能的测试解决方案。
岗位职责
- 参与 TestCenter 核心子系统的需求分析、软件架构设计和模块设计，涵盖流量生成、协议控制、结果统计等方向。
- 根据设计文档，独立完成高质量的 C++/C#/Python 代码编写和单元测试。
- 负责软件模块的集成测试和系统测试，覆盖协议正确性、性能指标和硬件适配等场景。
- 对现有软件进行维护、缺陷修复和性能优化，包括多线程竞态分析和内存/延迟调优。
- 撰写技术文档，包括设计文档、接口规范和测试报告。
- 与国内外团队紧密协作，参与跨时区的代码评审和技术讨论。
- 持续跟踪网络技术演进，将前沿需求转化为产品能力。
任职资格
- 计算机科学、软件工程、通信工程或相关专业本科及以上学历。
- 7 年以上软件开发经验，有大型 C++ 项目开发经历者优先。
- 精通 C++ 或 C#，熟悉 Python；熟悉多线程编程、锁机制和无锁数据结构。
- 熟悉 TCP/IP 协议栈及 L2/L3 网络基础知识；了解 RDMA/RoCEv2、InfiniBand 或 AI 集群网络者加分。
- 熟悉 Linux/Unix 操作系统，具备 Shell/Python 脚本调试和系统级故障排查能力。
- 有网络测试、流量生成、协议仿真或硬件（FPGA/驱动）相关经验者优先。
- 具备良好的英语读写能力，能够阅读英文规范文档和参与英文代码评审。
- 思路清晰，善于定位复杂的系统性问题；具备良好的沟通能力和团队协作精神。
- 对高性能网络和 AI 基础设施方向保持浓厚兴趣。
Pre-Requisites / Skills / Experience Requirements:
Skills Required
- Bachelor's degree or above in Computer Science, Software Engineering, Communications Engineering, or a related field
- 7+ years of software development experience
- Proficiency in C++ or C#
- Familiarity with Python
- Understanding of multithreaded programming, locking mechanisms, and lock-free data structures
- Knowledge of TCP/IP protocol stack and L2/L3 networking fundamentals
- Experience working in Linux/Unix environments and writing Shell/Python scripts
- Strong English reading and writing skills for technical specifications and code reviews
- Strong analytical, troubleshooting, communication, and collaboration skills
- Experience with large-scale C++ projects
- Knowledge of RDMA/RoCEv2, InfiniBand, or AI cluster networking
- Background in network testing, traffic generation, protocol emulation, or hardware-related development such as FPGA or drivers
VIAVI Solutions Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about VIAVI Solutions and has not been reviewed or approved by VIAVI Solutions.
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Leave & Time Off Breadth — Time off options are described as generous, including paid time off with flexible scheduling and work-from-home arrangements. Feedback suggests some teams implement unlimited or discretionary PTO and respect balance through flexible start times.
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Healthcare Strength — Health coverage is portrayed as comprehensive, spanning medical, dental, vision, life, disability, wellness initiatives, annual health exams, and emergency medical coverage for travel. Strong medical allowances and an employee assistance program further reinforce perceived coverage depth.
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Strong & Reliable Incentives — Incentive programs are highlighted through variable pay and bonus structures that can augment base pay. Feedback suggests twice-yearly bonuses may occur when company performance supports it.
VIAVI Solutions Insights
What We Do
VIAVI Solutions (NASDAQ: VIAV) is a global leader in both network and service enablement and optical security performance products and solutions. Our technologies contribute to the success of a wide range of customers – from the world’s largest mobile operators and governmental entities to enterprise network and application providers to contractors laying the fiber and building the towers that keep us connected
