Staff Software Engineer

Calix; Bengaluru; Hybrid; INR 1,400,000 - 2,800,000; Full time

Job summary

Calix in India is seeking an experienced embedded software engineer to design and implement Wi‑Fi features and unit tests. You will work on prplMesh/Easymesh and RDK‑B/OpenWRT platforms, delivering robust networking capabilities.

You will develop proofs of concept for emerging Wi‑Fi technologies, research new standards, and debug field issues related to connectivity, roaming, and stability while collaborating with silicon vendors. Hybrid work model with Bangalore office presence is encouraged.

Qualifications

• Bachelor’s or master’s degree in EE, CS, or equivalent.
• 9+ years of embedded software experience.
• Strong C/C++ programming skills.
• Experience with Linux, device drivers and networking.
• Experience with WPA supplicant, Hostapd, and Radius.

Responsibilities

• Design and implement software features and unit tests related to Wi‑Fi.
• Develop and integrate mesh networking features on prplMesh/Easymesh and prplOS.
• Develop proofs of concepts for new technologies.
• Research new Wi‑Fi technologies.
• Debug and resolve field issues with silicon vendors.

Skills

C/C++ programming

Embedded software

Wi‑Fi technologies

Linux development

Networking (TCP/IP)

Analytical skills

Team collaboration

Education

Bachelor’s or master’s in EE/CS

Tools

Yocto

OpenWRT

prplMesh/Easymesh

IEEE 1905.1

RDK-B

Job description

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 9 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 and 802.11 extensions (802.11k, v, r), DFS, etc.
• Extensive experience with Linux programs, including device drivers and applications
• 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)

PLEASE NOTE:

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

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