Job Description

1. Full-Stack Development: Lead the design, development, deployment, and maintenance of the company’s official website, ensuring its performance, stability, and user experience.
2. Core Product R&D: Take charge of the technical research, architectural design, and core feature development for the company’s network security products.
3. Low-Level Performance Optimization: Conduct in-depth research into cloud server hardware and software environments, performing low-level tuning of the system kernel, network protocol stack, and more to maximize resource utilization and performance.
4. Automated Operations: Design and implement automated deployment, monitoring, and operational solutions to enhance development efficiency and system reliability.

Job Requirements

1.Bachelor’s degree or higher in Computer Science, Software Engineering, or a related field, with over 5 years of relevant development experience.

2.Hardware & Low-Level Technologies: Familiarity with the working principles of server hardware (CPU, Memory, NICs, Storage) and the ability to perform hardware selection and performance evaluation.

3.Proficiency in Linux/Unix operating systems with extensive experience in kernel parameter tuning and network performance optimization (e.g., TCP/IP stack tuning).

4.Familiarity with at least one low-level programming language such as C/C++ or Go. Experience in high-performance network programming is a significant plus.

5.Proficiency in at least one mainstream backend language and framework (e.g., Go/Gin, Python/Django, Node.js/Express).

6.Mastery of the front-end technology stack (HTML/CSS/JavaScript) and proficiency with at least one modern front-end framework (e.g., Vue.js, React, Angular).

7.Ability to independently design and develop complex web applications, with a strong understanding of database (MySQL, PostgreSQL, Redis) design and optimization.

8.Networking & Security: In-depth understanding of the principles behind DDoS attacks and their defense mechanisms. Prior experience in developing or operating related products is highly preferred.

9.Familiarity with network programming and common network protocols (TCP/IP, HTTP, WebSocket).

Good to have:

1.Extensive experience with in-depth use or secondary development on cloud platforms (e.g., AWS, Azure, Google Cloud, Alibaba Cloud).

2.Experience with high-performance network packet processing frameworks such as DPDK, XDP/eBPF.

Staff Benefits:

1.Glasses subsidy

2.Annual medical check-up

3.13th-month bonus

4.Annual salary increment opportunities

5.Performance-based evaluation system

Working hours:

Monday - Friday : 9am - 6pm (WFH)

Contract ：12 Months

Skills