Senior Software Engineer

Calix India; Bengaluru; Hybrid; INR 1,800,000 - 2,800,000; Full time

Job summary

Calix India seeks an experienced embedded software engineer to design and implement Wi‑Fi features and unit tests. You will develop and integrate mesh networking on prplMesh/Easymesh (prplOS) and RDK‑B/OpenWRT platforms, and build proofs of concept for new technologies.

Responsibilities include researching Wi‑Fi advancements and debugging field issues in collaboration with silicon vendors. A strong background in C/C++, networking, and embedded Linux is required.

Qualifications

• Bachelor’s or master’s degree in electrical engineering, computer science, or equivalent.
• Over 5 years of experience in embedded system software development.
• Strong programming skills in C/C++.
• Strong understanding of Wi‑Fi technologies including 802.11 a/b/g/n/ac/ax/be etc.
• Extensive experience with WPA supplicant, Hostapd, and Radius protocol.
• Extensive experience with IP networking and a good knowledge of TCP/IP.
• Excellent analytical and troubleshooting skills with a focus on innovation.
• Excellent written and verbal communication skills.
• Ability to work on multiple tasks concurrently.
• Self-starter who strives for results and continual improvement.
• Must work well independently and as part of a team.

Responsibilities

• Design and implement software features and unit tests related to Wi‑Fi based on PRPL.
• Develop and integrate mesh networking features on prplMesh/Easymesh (prplOS) and RDK‑B/OpenWRT-based platforms.
• Develop proof of concepts for new technologies.
• Research new Wi‑Fi technologies.
• Debug and resolve field issues (client connectivity, roaming, stability, and interoperability) in collaboration with silicon vendors.

Skills

C/C++ programming

Embedded software development

Wi‑Fi technologies

TCP/IP networking

WPA/Hostapd/RADIUS

Analytical skills

Team collaboration

Education

Bachelor's or Master's in EE/CS

Tools

prplMesh/Easymesh

OpenWRT

Yocto

Linux kernel

Job description

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 viaCalix 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.

Responsibilities and Duties:

• Design and implement software features and unit tests related to Wi-Fi based on PRPL.
• Develop and integrate mesh networking features on prplMesh/Easymesh (prplOS) and RDK-B/OpenWRT-based platforms.
• Develop proof of concepts for new technologies.
• Research new Wi-Fi technologies.
• Debug and resolve field issues (client connectivity, roaming, stability, and interoperability) in collaboration with silicon vendors.

Basic Qualifications:

• Bachelor’s or master’s degree in electrical engineering, computer science, or equivalent.
• Over 5 years of experience in embedded system software development
• Strong programming skills in C/C++
• Strong understanding of Wi-Fi technologies including 802.11 a/b/g/n/ac/ax/be etc.
• Extensive experience with WPA supplicant, Hostapd, and Radius protocol
• Extensive experience with IP networking and a good knowledge of TCP/IP
• Excellent analytical and troubleshooting skills with a focus on innovation
• Excellent written and verbal communication skills
• Ability to work on multiple tasks concurrently
• Self-starter who strives for results and continual improvement
• Must work well independently and as part of a team

Nice to Have:

• In-depth understanding of the 802.11 protocol suite and WLAN technology
• Experience on Qualcomm, Broadcom, Maxlinear platform etc.
• Experience on Wi-Fi 6 and Wi-Fi 7 (including MLO / 802.11be features)
• Hands-on experience with prplMesh/Easymesh, IEEE 1905.1, and 802.11s mesh networking, including Easymesh R5/R6 certification
• Experience with RDK-B, prplOS, and/or OpenWRT gateway software stacks
• Familiarity with Yocto build systems and embedded Linux kernel/driver development

Location:

• India – (Flexible hybrid work model - work from Bangalore office for 20 days in a quarter)