高级软件开发工程师(AI/机器学习)

Nanjing · On-site

About this role

The Calix platform enables Communication Service Providers (CSPs) of all sizes to transform and future-proof their businesses. Through real-time data, automation, and actionable insights delivered via Calix One — our cloud-first, AI-powered platform — CSPs can simplify operations, collapse cost, and accelerate innovation. Calix One brings together the automation of everything and the experience of one, empowering customers to deliver differentiated subscriber experiences while driving acquisition, loyalty, and revenue growth. This is the Calix mission: to enable CSPs of all sizes to simplify, innovate, and grow, strengthening both their businesses and the communities they serve.

We’re at the forefront of a once in a generational change in the broadband industry. Join us as we innovate, help our customers reach their potential, and connect underserved communities with unrivaled digital experiences.

We are part of the Calix AXOS team, focusing on the development of robust and scalable edge network devices for access networks.
The team works on core networking and system software, building production-grade solutions that run in real operator environments.

Our goal is to deliver reliable, high-quality software for access network and edge devices, turning complex system requirements into stable, maintainable products.

Responsibilities

  • Develop and maintain software for Access Network Systems and Edge Devices

  • Participate in the design, implementation, and delivery of network device software

  • Analyze, debug, and resolve issues in real network and device environments

  • Work on system-level features such as configuration, management, diagnostics, and reliability

  • Collaborate with cross-functional teams to deliver production-grade solutions with high quality standards

Basic Qualifications

  • Bachelor or master’s degree of Telecom/Computer Science or majors related.

  • 5 ~ 8 years’ experience in real-time Embedded Operating Systems.

  • Solid programming skills in at least one mainstream language (e.g., C, C++, Python)

  • Strong problem-solving skills and hands-on ability; able to dive into systems and drive issues to real-world resolution

  • Rich experience on Linux OS

  • Good understanding of access network fundamentals, including Layer 2, Layer 2.5, and basic PON concepts such as: ERPS, RSTP, G.8032, IGMP, DHCP, DHCPv6, PPPOE, LACP etc.

Preferred Qualifications

  • Project experience with PON products.

  • Strong hands-on experience in AI and machine learning

Company at a glance

Calix is an AI platform company that enables service providers to transform their operations and accelerate delivery of differentiated experiences—so they can compete and win in the markets and communities they serve.

Through the AI-native Calix One platform, service providers can securely and privately activate agentic-AI alongside their human teams to acquire new subscribers, grow existing subscriber revenue, and build loyalty across residential, business, municipal, and MDU markets. More than 1,200 customers of all sizes leverage the Calix One platform, which has evolved over 15 years at an investment of more than $2 billion.

Calix innovation cycles are underpinned by a strong financial balance sheet and a people‑first culture that routinely earns broad industry recognition—winning 81 culture and innovation awards since 2025 alone, as well as Fortune’s 100 Best Companies to Work For® in 2026.

Founded1999
Team Size1,001-5,000 employees
WorkspaceOn-site
IndustrySoftware Development
Location
Nanjing, Fujian, China
Websitecalix.com
LinkedInLinkedIn

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